$ ls /var/lib/dpkg/alternatives/ | grep java // OpenJDK 설치되었는지 확인-1 java javac javadoc javah javap javaws $ update-java-alternatives -l // OpenJDK 설치되었는지 확인-2 $ sudo apt-get install openjdk-8-jdk // 설치되지 않았을 경우, 각 version을 설치 $ sudo update-alternatives --config java // Jenkins에 맞게 Open JDK의 Version 각 버전을 선택
$ java -jar jenkins.war // WAR download 후 바로 실행 후 8080 Port로 접속
or
$ java -jar jenkins.war --httpPort=8090 $ wget -q -O - https://pkg.jenkins.io/debian/jenkins.io.key | sudo apt-key add - // 인증 추가 $ sudo sh -c 'echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list' // repository 주소 추가 $ sudo apt-get update // 추가된 Repository 주소 적용 $ sudo apt-get install jenkins
$ vi /etc/default/jenkins // 설정파일 확인 , 변경하지 않을 경우 그대로 사용 ... JENKINS_WAR=/usr/share/$NAME/$NAME.war # Jenkins WAR 파일 (실행파일) 위치 확인 JENKINS_HOME=/var/lib/$NAME # 설정 위치 확인 JENKINS_LOG=/var/log/$NAME/$NAME.log # Jenkins Log 위치 확인 HTTP_PORT=8080 #사용 Port 확인 변경시
$ java -version 2>&1 | sed -n ';s/.* version "\(.*\)\.\(.*\)\..*"/\1\2/p;' # Java Version 확인 18 $ vi /etc/init.d/jenkins JAVA_ALLOWED_VERSION="18" ## Java Version 확인 $ /etc/init.d/jenkins start or $ sudo service jenkins
$ sudo cat /var/lib/jenkins/secrets/initialAdminPassword 0b3a8f996c1540a389abeae48668f42d
$ sudo iptables -L -n //현재 설정확인
$ ./board-support/prebuilt-images $ ls MLO-am437x-evm am437x-gp-evm.dtb am43x-epos-evm-hdmi.dtb u-boot-am437x-evm.img uEnv.txt am437x-gp-evm-hdmi.dtb am437x-sk-evm.dtb am43x-epos-evm.dtb u-boot-spl.bin-am437x-evm zImage-am437x-evm.bin
$ cd ./board-support/linux* $ vi arch/arm/boot/dts/am437x-gp-evm-hdmi.dts // device tree 설정확인 ....
$ fbset // display 해상도 확인 $ fbset -i // display 해상도 확인
.... omap_i2c 44e0b000.i2c: bus 0 rev0.12 at 100 kHz // 아래 driver 는 I2C로 설정 sii9022 1-003b: sil9022 HDMI Chip version = b0 ....
root@am335x-evm:~# cat /proc/cmdline console=ttyO0,115200n8 root=PARTUUID=000390f5-02 rw rootfstype=ext4 rootwait root@am335x-evm:~# cat /proc/1/cmdline // init args 확인 root@am335x-evm:~# ls /proc/1/fd // 관련 FD 확인 부모 Process / 자식 Process or root@am335x-evm:~# ls /proc/1/fdinfo
root@am335x-evm:~# ls /sbin agetty e2fsck fsck.minix ifup losetup mkswap.util-linux route switch_root.util-linux arp e2image fsck.minix.util-linux init losetup.util-linux modinfo routef sysctl badblocks e2label fsck.msdos insmod lsmod modinfo.kmod routel sysctl.procps blkid e2undo fsck.util-linux insmod.kmod mkdosfs modprobe rtmon syslogd blockdev e4crypt fsck.vfat ip mke2fs modprobe.kmod rtpr tc blockdev.util-linux e4defrag fstrim ip.iproute2 mkfs.ext2 mount-copybind runlevel tune2fs bridge fatlabel fw_printenv iwconfig mkfs.ext3 mount.nfs setconsole udevd cfdisk fdisk fw_setenv iwgetid mkfs.ext4 mount.nfs4 shutdown udhcpc ctrlaltdel fdisk.util-linux getty iwlist mkfs.ext4dev nologin start-stop-daemon uevent debugfs filefrag halt iwpriv mkfs.fat pivot_root sulogin umount.nfs depmod fsck hdparm iwspy mkfs.minix pivot_root.util-linux sulogin.util-linux umount.nfs4 depmod.kmod fsck.ext2 hdparm.hdparm klogd mkfs.minix.util-linux populate-extfs.sh swapoff vconfig dosfsck fsck.ext3 hwclock ldconfig mkfs.msdos poweroff swapoff.util-linux vigr dosfslabel fsck.ext4 ifcfg loadkmap mkfs.vfat reboot swapon vigr.shadow dumpe2fs fsck.ext4dev ifconfig logread mklost+found rmmod swapon.util-linux vipw e2freefrag fsck.fat ifdown logsave mkswap rmmod.kmod switch_root vipw.shadow
root@am335x-evm:~# find / -name systemd /var/lib/systemd /lib/systemd /lib/systemd/systemd // 실제 user를 위한 system daemon 이며 이동작을 확인 (systemctl) /etc/systemd /etc/xdg/systemd /sys/fs/cgroup/systemd /run/user/0/systemd /run/udev/tags/systemd /run/systemd /usr/lib/systemd /usr/share/systemd /usr/include/systemd /tmp/0-runtime-dir/systemd
root@am335x-evm:~# ls /lib/systemd/
network systemd-ac-power systemd-initctl systemd-networkd-wait-online systemd-shutdown systemd-udevd
system systemd-backlight systemd-journald systemd-quotacheck systemd-sleep systemd-update-done
system-generators systemd-bootchart systemd-localed systemd-random-seed systemd-socket-proxyd systemd-update-utmp
system-preset systemd-cgroups-agent systemd-logind systemd-remount-fs systemd-sysctl systemd-user-sessions
system-shutdown systemd-fsck systemd-machined systemd-reply-password systemd-sysv-install systemd-vconsole-setup
system-sleep systemd-hibernate-resume systemd-modules-load systemd-resolved systemd-timedated
systemd systemd-hostnamed systemd-networkd systemd-rfkill systemd-timesyncd
root@am335x-evm:~# /lib/systemd/systemd --help
systemd [OPTIONS...]
Starts up and maintains the system or user services.
-h --help Show this help
--test Determine startup sequence, dump it and exit
--no-pager Do not pipe output into a pager
--dump-configuration-items Dump understood unit configuration items
--unit=UNIT Set default unit
--system Run a system instance, even if PID != 1
--user Run a user instance
--dump-core[=BOOL] Dump core on crash
--crash-vt=NR Change to specified VT on crash
--crash-reboot[=BOOL] Reboot on crash
--crash-shell[=BOOL] Run shell on crash
--confirm-spawn[=BOOL] Ask for confirmation when spawning processes
--show-status[=BOOL] Show status updates on the console during bootup
--log-target=TARGET Set log target (console, journal, kmsg, journal-or-kmsg, null)
--log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)
--log-color[=BOOL] Highlight important log messages
--log-location[=BOOL] Include code location in log messages
--default-standard-output= Set default standard output for services
--default-standard-error= Set default standard error output for services
root@am335x-evm:~# ls -al /usr/bin/systemd-* -rwxr-xr-x 1 root root 26160 Dec 15 00:09 /usr/bin/systemd-cat -rwxr-xr-x 1 root root 256116 Dec 15 00:09 /usr/bin/systemd-cgls -rwxr-xr-x 1 root root 268436 Dec 15 00:09 /usr/bin/systemd-cgtop -rwxr-xr-x 1 root root 54932 Dec 15 00:09 /usr/bin/systemd-delta -rwxr-xr-x 1 root root 30256 Dec 15 00:09 /usr/bin/systemd-detect-virt -rwxr-xr-x 1 root root 535036 Dec 15 00:09 /usr/bin/systemd-nspawn -rwxr-xr-x 1 root root 34348 Dec 15 00:09 /usr/bin/systemd-path -rwxr-xr-x 1 root root 292980 Dec 15 00:09 /usr/bin/systemd-resolve -rwxr-xr-x 1 root root 334168 Dec 15 00:09 /usr/bin/systemd-run -rwxr-xr-x 1 root root 46672 Dec 15 00:09 /usr/bin/systemd-socket-activate -rwxr-xr-x 1 root root 239724 Dec 15 00:09 /usr/bin/systemd-stdio-bridge ...
root@am335x-evm:~# ps -aux USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1 9.9 1.7 5232 4384 ? Ss 23:15 0:08 /sbin/init root 2 0.0 0.0 0 0 ? S 23:15 0:00 [kthreadd] root 3 0.1 0.0 0 0 ? S 23:15 0:00 [ksoftirqd/0] root 4 0.0 0.0 0 0 ? S 23:15 0:00 [kworker/0:0] root 5 0.0 0.0 0 0 ? S< 23:15 0:00 [kworker/0:0H] root 6 0.0 0.0 0 0 ? S 23:15 0:00 [kworker/u2:0] root 7 0.2 0.0 0 0 ? S 23:15 0:00 [rcu_preempt] root 8 0.0 0.0 0 0 ? S 23:15 0:00 [rcu_sched] root 9 0.0 0.0 0 0 ? S 23:15 0:00 [rcu_bh] root 10 0.0 0.0 0 0 ? S 23:15 0:00 [kdevtmpfs] root 11 0.0 0.0 0 0 ? S< 23:15 0:00 [netns] root 12 0.0 0.0 0 0 ? S< 23:15 0:00 [perf] root 13 0.0 0.0 0 0 ? S 23:15 0:00 [kworker/0:1] root 14 0.0 0.0 0 0 ? S< 23:15 0:00 [writeback] root 15 0.0 0.0 0 0 ? S< 23:15 0:00 [crypto] root 16 0.0 0.0 0 0 ? S< 23:15 0:00 [bioset] root 17 0.0 0.0 0 0 ? S< 23:15 0:00 [kblockd] root 18 0.0 0.0 0 0 ? S< 23:15 0:00 [edac-poller] root 19 0.0 0.0 0 0 ? S< 23:15 0:00 [rpciod] root 20 0.0 0.0 0 0 ? S 23:15 0:00 [kswapd0] root 21 0.0 0.0 0 0 ? S 23:15 0:00 [fsnotify_mark] root 22 0.0 0.0 0 0 ? S< 23:15 0:00 [nfsiod] root 31 0.0 0.0 0 0 ? S< 23:15 0:00 [dma_wq] root 32 0.7 0.0 0 0 ? S 23:15 0:00 [kworker/u2:1] root 33 0.0 0.0 0 0 ? S< 23:15 0:00 [bioset] root 34 0.0 0.0 0 0 ? S< 23:15 0:00 [bioset] root 35 0.0 0.0 0 0 ? S< 23:15 0:00 [bioset] root 36 0.0 0.0 0 0 ? S< 23:15 0:00 [bioset] root 37 0.0 0.0 0 0 ? S< 23:15 0:00 [bioset] root 38 0.0 0.0 0 0 ? S< 23:15 0:00 [bioset] root 39 0.0 0.0 0 0 ? S< 23:15 0:00 [bioset] root 40 0.0 0.0 0 0 ? S< 23:15 0:00 [bioset] root 43 0.0 0.0 0 0 ? S< 23:15 0:00 [kpsmoused] root 44 0.0 0.0 0 0 ? S 23:15 0:00 [irq/180-4803c00] root 45 0.0 0.0 0 0 ? S 23:15 0:00 [irq/179-4803c00] root 46 0.0 0.0 0 0 ? S< 23:15 0:00 [ipv6_addrconf] root 47 0.0 0.0 0 0 ? S< 23:15 0:00 [deferwq] root 48 0.0 0.0 0 0 ? S 23:15 0:00 [irq/159-44e0b00] root 49 0.1 0.0 0 0 ? S 23:15 0:00 [kworker/u2:2] root 50 0.0 0.0 0 0 ? S 23:15 0:00 [irq/33-48060000] root 51 0.0 0.0 0 0 ? S 23:15 0:00 [kworker/u2:3] root 52 0.0 0.0 0 0 ? S< 23:15 0:00 [bioset] root 53 1.6 0.0 0 0 ? S 23:15 0:01 [mmcqd/0] root 54 0.1 0.0 0 0 ? S< 23:15 0:00 [kworker/0:1H] root 55 0.0 0.0 0 0 ? S 23:15 0:00 [jbd2/mmcblk0p2-] root 56 0.0 0.0 0 0 ? S< 23:15 0:00 [ext4-rsv-conver] root 68 0.0 0.0 0 0 ? S 23:15 0:00 [kworker/0:2] root 76 0.0 0.0 0 0 ? S< 23:15 0:00 [cryptodev_queue] root 98 2.3 0.7 3616 1908 ? Ss 23:15 0:01 /lib/systemd/systemd-journald // log를 위해 시작 root 121 0.1 0.0 0 0 ? S 23:15 0:00 [kworker/0:3] root 127 1.6 1.0 10524 2528 ? Ss 23:15 0:01 /lib/systemd/systemd-udevd //udevd 시작 root 325 0.0 0.0 0 0 ? S< 23:15 0:00 [pvr_timer] systemd+ 398 0.2 0.6 12136 1608 ? Ssl 23:15 0:00 /lib/systemd/systemd-timesyncd root 432 0.0 0.0 0 0 ? S 23:15 0:00 [irq/195-remotep] root 437 0.0 0.0 0 0 ? S 23:15 0:00 [irq/197-remotep] root 456 0.0 0.0 0 0 ? S 23:15 0:00 [scsi_eh_0] root 457 0.0 0.0 0 0 ? S< 23:15 0:00 [scsi_tmf_0] root 458 0.0 0.0 0 0 ? S 23:15 0:00 [usb-storage] root 460 0.0 0.5 1956 1300 ? Ss 23:15 0:00 /sbin/klogd -n root 469 2.5 2.5 8864 6408 ? Ss 23:15 0:01 /usr/sbin/ofonod -n root 471 0.1 0.7 2600 1812 ? Ss 23:15 0:00 /lib/systemd/systemd-logind root 475 0.1 0.5 1908 1440 ? Ss 23:15 0:00 /usr/libexec/ipsec/starter --daemon charon --nofork root 480 0.1 0.4 1972 1244 ? Ss 23:15 0:00 /sbin/syslogd -n -C avahi 483 0.0 0.9 4660 2484 ? Ss 23:15 0:00 avahi-daemon: running [am335x-evm.local] message+ 492 0.5 0.9 4320 2496 ? Ss 23:15 0:00 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation root 494 0.0 0.0 0 0 ? S< 23:15 0:00 [bioset] avahi 501 0.0 0.7 4660 1792 ? S 23:15 0:00 avahi-daemon: chroot helper root 513 0.0 0.0 0 0 ? S 23:15 0:00 [file-storage] systemd+ 535 0.2 0.8 2776 2056 ? Ss 23:15 0:00 /lib/systemd/systemd-networkd root 562 0.2 1.8 142008 4528 ? Ssl 23:15 0:00 /usr/libexec/ipsec/charon systemd+ 677 0.0 0.7 2984 1904 ? Ss 23:15 0:00 /lib/systemd/systemd-resolved root 682 0.0 0.4 1780 1184 tty1 Ss+ 23:15 0:00 /sbin/agetty --noclear tty1 linux root 688 0.1 0.8 4864 2132 ttyS0 Ss 23:15 0:00 /bin/login -- root 689 0.0 0.4 1780 1196 ttyGS0 Ss+ 23:15 0:00 /sbin/agetty -8 -L ttyGS0 115200 xterm root 691 0.2 1.1 5160 2984 ? Ss 23:15 0:00 /usr/sbin/lighttpd -D -f /etc/lighttpd.conf root 773 0.0 0.0 0 0 ? S< 23:15 0:00 [pvr_workqueue] root 807 0.0 0.7 2664 1776 tty4 Ss+ 23:15 0:00 /bin/sh /usr/bin/runWeston root 810 0.5 5.0 19144 12556 tty4 S+ 23:15 0:00 weston --idle-time=0 root 815 0.0 0.3 1956 868 ? Ss 23:15 0:00 /usr/sbin/telnetd root 822 0.2 2.0 7008 5096 tty4 S+ 23:15 0:00 /usr/libexec/weston-keyboard root 823 0.2 2.0 7016 5024 tty4 S+ 23:15 0:00 /usr/libexec/weston-desktop-shell nobody 829 0.0 0.6 2448 1632 ? Ss 23:15 0:00 /usr/sbin/thttpd -d /srv/www -p 8080 root 835 0.0 0.3 2292 928 ? Ss 23:15 0:00 /usr/sbin/rngd -r /dev/urandom root 843 8.3 24.3 176048 60924 ? Sl 23:15 0:04 /usr/bin/matrix_browser http://localhost:80/ root 860 0.0 0.0 0 0 ? S 23:15 0:00 [kworker/0:4] root 863 0.0 0.0 0 0 ? S 23:15 0:00 [kworker/0:5] root 867 0.4 0.0 0 0 ? S 23:15 0:00 [kworker/0:6] root 894 1.3 1.7 5348 4388 ? Ss 23:15 0:00 /lib/systemd/systemd --user //user용 systemd 실행 (일반서비스) root 898 0.0 0.9 7492 2352 ? S 23:15 0:00 (sd-pam) root 901 0.0 0.8 2668 2044 ttyS0 S 23:15 0:00 -sh root 918 0.2 0.4 1780 1212 ? Ss 23:16 0:00 /sbin/agetty -8 -L ttyS3 115200 xterm root 922 0.0 0.5 2612 1272 ttyS0 R+ 23:16 0:00 ps -aux
root@am335x-evm:~# runlevel N 3 // multi-user mode root@am335x-evm:/etc# ls -al rc3.d // Runlevel 3 분석 drwxr-xr-x 2 root root 4096 Dec 15 2016 . drwxr-xr-x 46 root root 4096 Dec 14 23:15 .. lrwxrwxrwx 1 root root 20 Dec 15 2016 S01networking -> ../init.d/networking lrwxrwxrwx 1 root root 16 Dec 15 2016 S02dbus-1 -> ../init.d/dbus-1 lrwxrwxrwx 1 root root 19 Dec 15 2016 S03uim-sysfs -> ../init.d/uim-sysfs lrwxrwxrwx 1 root root 16 Dec 15 2016 S08rc.pvr -> ../init.d/rc.pvr lrwxrwxrwx 1 root root 18 Dec 15 2016 S10dropbear -> ../init.d/dropbear lrwxrwxrwx 1 root root 17 Dec 15 2016 S10telnetd -> ../init.d/telnetd lrwxrwxrwx 1 root root 17 Dec 15 2016 S12rpcbind -> ../init.d/rpcbind lrwxrwxrwx 1 root root 21 Dec 14 23:36 S15mountnfs.sh -> ../init.d/mountnfs.sh lrwxrwxrwx 1 root root 19 Dec 15 2016 S19nfscommon -> ../init.d/nfscommon lrwxrwxrwx 1 root root 24 Dec 15 2016 S20busybox-udhcpd -> ../init.d/busybox-udhcpd lrwxrwxrwx 1 root root 20 Dec 15 2016 S20hwclock.sh -> ../init.d/hwclock.sh lrwxrwxrwx 1 root root 16 Dec 15 2016 S20syslog -> ../init.d/syslog lrwxrwxrwx 1 root root 16 Dec 15 2016 S20thttpd -> ../init.d/thttpd lrwxrwxrwx 1 root root 22 Dec 15 2016 S21avahi-daemon -> ../init.d/avahi-daemon lrwxrwxrwx 1 root root 15 Dec 15 2016 S22ofono -> ../init.d/ofono lrwxrwxrwx 1 root root 19 Dec 15 2016 S30rng-tools -> ../init.d/rng-tools lrwxrwxrwx 1 root root 18 Dec 15 2016 S70lighttpd -> ../init.d/lighttpd lrwxrwxrwx 1 root root 24 Dec 15 2016 S97matrix-gui-2.0 -> ../init.d/matrix-gui-2.0 lrwxrwxrwx 1 root root 18 Dec 15 2016 S98parse-ip -> ../init.d/parse-ip lrwxrwxrwx 1 root root 27 Dec 15 2016 S98thermal-zone-init -> ../init.d/thermal-zone-init lrwxrwxrwx 1 root root 22 Dec 15 2016 S99gplv3-notice -> ../init.d/gplv3-notice lrwxrwxrwx 1 root root 22 Dec 14 23:36 S99rmnologin.sh -> ../init.d/rmnologin.sh
root@am335x-evm:/etc# ls -al init.d/ drwxr-xr-x 2 root root 4096 Dec 15 2016 . drwxr-xr-x 46 root root 4096 Dec 14 23:15 .. -rw-r--r-- 1 root root 1150 Dec 15 00:09 README -rwxr-xr-x 1 root root 250 Dec 14 23:23 alignment.sh -rwxr-xr-x 1 root root 811 Dec 14 23:45 alsa-state -rwxr-xr-x 1 root root 4491 Dec 15 00:13 avahi-daemon -rwxr-xr-x 1 root root 492 Dec 14 23:23 banner.sh -rwxr-xr-x 1 root root 1922 Dec 14 23:23 bootmisc.sh -rwxr-xr-x 1 root root 1042 Dec 14 23:50 busybox-udhcpd -rwxr-xr-x 1 root root 3581 Dec 14 23:23 checkroot.sh -rwxr-xr-x 1 root root 2887 Dec 15 00:11 dbus-1 -rwxr-xr-x 1 root root 526 Dec 14 23:23 devpts.sh -rwxr-xr-x 1 root root 353 Dec 14 23:23 dmesg.sh -rwxr-xr-x 1 root root 3002 Dec 15 00:00 dropbear lrwxrwxrwx 1 root root 33 Dec 15 2016 functions -> /etc/init.d/functions.initscripts -rw-r--r-- 1 root root 2141 Dec 14 23:23 functions.initscripts -rwxr-xr-x 1 root root 2389 Dec 14 23:48 gplv3-notice -rwxr-xr-x 1 root root 510 Dec 14 23:23 halt -rwxr-xr-x 1 root root 546 Dec 15 00:00 hostapd -rwxr-xr-x 1 root root 580 Dec 14 23:23 hostname.sh -rwxr-xr-x 1 root root 2541 Dec 14 23:50 hwclock.sh -rwxr-xr-x 1 root root 579 Dec 14 23:50 inetd.busybox -rwxr-xr-x 1 root root 632 Dec 14 23:52 lighttpd -rwxr-xr-x 1 root root 1102 Dec 14 23:51 matrix-gui-2.0 -rwxr-xr-x 1 root root 1223 Dec 14 23:48 modutils.sh -rwxr-xr-x 1 root root 859 Dec 14 23:23 mountall.sh -rwxr-xr-x 1 root root 1522 Dec 14 23:23 mountnfs.sh -rwxr-xr-x 1 root root 2124 Dec 14 23:48 networking -rwxr-xr-x 1 root root 1609 Dec 14 23:49 nfscommon -rwxr-xr-x 1 root root 516 Dec 15 00:15 ofono -rwxr-xr-x 1 root root 1950 Dec 15 00:00 parse-ip -rwxr-xr-x 1 root root 6721 Dec 14 23:23 populate-volatile.sh -rwxr-xr-x 1 root root 521 Dec 14 23:50 psplash.sh -rwxr-xr-x 1 1001 1001 3203 Dec 14 23:15 rc.pvr -rwxr-xr-x 1 root root 968 Dec 14 23:23 read-only-rootfs-hook.sh -rwxr-xr-x 1 root root 289 Dec 14 23:23 reboot -rwxr-xr-x 1 root root 585 Dec 14 23:23 rmnologin.sh -rwxr-xr-x 1 root root 1098 Dec 14 23:48 rng-tools -rwxr-xr-x 1 root root 1827 Dec 15 00:12 rpcbind -rwxr-xr-x 1 root root 25 Dec 14 23:47 run-postinsts -rwxr-xr-x 1 root root 336 Dec 14 23:23 save-rtc.sh -rwxr-xr-x 1 root root 438 Dec 14 23:23 sendsigs -rwxr-xr-x 1 root root 578 Dec 14 23:23 single -rwxr-xr-x 1 root root 782 Dec 14 23:23 sysfs.sh lrwxrwxrwx 1 root root 26 Dec 15 2016 syslog -> /etc/init.d/syslog.busybox -rwxr-xr-x 1 root root 1715 Dec 14 23:50 syslog.busybox -rwxr-xr-x 1 root root 3183 Dec 15 00:09 systemd-udevd -rwxr-xr-x 1 root root 1455 Dec 14 23:48 telnetd -rwxr-xr-x 1 root root 414 Dec 14 23:48 thermal-zone-init -rwxr-xr-x 1 root root 1033 Dec 14 23:48 thttpd -rwxr-xr-x 1 root root 663 Dec 15 00:00 uim-sysfs -rwxr-xr-x 1 root root 516 Dec 14 23:23 umountfs -rwxr-xr-x 1 root root 711 Dec 14 23:23 umountnfs.sh -rwxr-xr-x 1 root root 1473 Dec 14 23:23 urandom -rwxr-xr-x 1 root root 2750 Dec 15 00:00 weston
root@am335x-evm:/# systemctl get-default // default mode 확인 root@am335x-evm:/# systemctl list-dependencies multi-user.target // default-mode 관련부분 list 확인 ....... root@am335x-evm:/# systemctl list-unit-files // unit 관련 list 전부확인 ........
# systemctl get-default // 현재 boot mode 3 multi-user.target
$ grep WantedBy=multi-user.target -r /lib/systemd/system // 확인 $ grep WantedBy=multi-user.target -r /etc/systemd/system // 확인 $ grep WantedBy=sysinit.target -r /lib/systemd/system $ ls multi-user.target.wants // 확인
root@am335x-evm:/# cd /etc/systemd/system // 사용하는 service는 /lib or /etc/systemd/system root@am335x-evm:/etc/systemd/system# ls -al drwxr-xr-x 11 root root 4096 Dec 15 02:24 . drwxr-xr-x 5 root root 4096 Dec 14 23:43 .. lrwxrwxrwx 1 root root 9 Dec 15 02:23 banner.service -> /dev/null // 사용하지 않는다면, /dev/null link 하며, 사용한다면, /lib/systemd/system link drwxr-xr-x 2 root root 4096 Dec 14 23:15 basic.target.wants drwxr-xr-x 2 root root 4096 Dec 15 02:23 bluetooth.target.wants lrwxrwxrwx 1 root root 9 Dec 15 02:23 bootmisc.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 busybox-udhcpc.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 checkfs.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 checkroot.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 dbus-1.service -> /dev/null lrwxrwxrwx 1 root root 37 Dec 15 02:23 dbus-org.bluez.service -> /lib/systemd/system/bluetooth.service lrwxrwxrwx 1 root root 40 Dec 15 02:23 dbus-org.freedesktop.Avahi.service -> /lib/systemd/system/avahi-daemon.service lrwxrwxrwx 1 root root 37 Dec 15 02:24 default.target -> /lib/systemd/system/multi-user.target lrwxrwxrwx 1 root root 9 Dec 15 02:23 devpts.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 dmesg.service -> /dev/null drwxr-xr-x 2 root root 4096 Dec 15 02:22 getty.target.wants lrwxrwxrwx 1 root root 9 Dec 15 02:23 hostname.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 hwclock.service -> /dev/null drwxr-xr-x 2 root root 4096 Dec 15 02:23 local-fs.target.wants lrwxrwxrwx 1 root root 9 Dec 15 02:23 modutils.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 mountall.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 mountnfs.service -> /dev/null drwxr-xr-x 2 root root 4096 Dec 15 02:23 multi-user.target.wants drwxr-xr-x 2 root root 4096 Dec 15 00:09 network-online.target.wants lrwxrwxrwx 1 root root 9 Dec 15 02:23 networking.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 nfscommon.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 nfsserver.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 populate-volatile.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 psplash.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 read-only-rootfs-hook.service -> /dev/null lrwxrwxrwx 1 root root 9 Dec 15 02:23 rmnologin.service -> /dev/null drwxr-xr-x 2 root root 4096 Dec 15 02:23 sockets.target.wants -rw-r--r-- 1 root root 327 Dec 15 00:09 sync-clocks.service lrwxrwxrwx 1 root root 9 Dec 15 02:23 sysfs.service -> /dev/null drwxr-xr-x 2 root root 4096 Dec 14 23:15 sysinit.target.wants lrwxrwxrwx 1 root root 9 Dec 15 02:23 syslog.busybox.service -> /dev/null lrwxrwxrwx 1 root root 42 Dec 15 02:23 syslog.service -> /lib/systemd/system/busybox-syslog.service -rw-r--r-- 1 root root 709 Dec 15 00:09 systemd-hostnamed.service drwxr-xr-x 2 root root 4096 Dec 15 02:23 systemd-random-seed.service.wants -rw-r--r-- 1 root root 843 Dec 15 00:09 systemd-udevd.service lrwxrwxrwx 1 root root 9 Dec 15 02:23 urandom.service -> /dev/null
root@am335x-evm:/# cd /lib/systemd/system root@am335x-evm:/lib/systemd/system# ls -al -rw-r--r-- 1 root root 403 Dec 15 00:09 -.slice drwxr-xr-x 19 root root 12288 Dec 15 02:23 . drwxr-xr-x 8 root root 4096 Dec 14 23:50 .. -rw-r--r-- 1 root root 506 Dec 15 00:10 alsa-restore.service -rw-r--r-- 1 root root 410 Dec 15 00:10 alsa-state.service lrwxrwxrwx 1 root root 14 Dec 15 00:09 autovt@.service -> getty@.service -rw-r--r-- 1 root root 1044 Dec 15 00:13 avahi-daemon.service -rw-r--r-- 1 root root 874 Dec 15 00:13 avahi-daemon.socket -rw-r--r-- 1 root root 879 Dec 15 00:09 basic.target drwxr-xr-x 2 root root 4096 Dec 15 00:10 basic.target.wants -rw-r--r-- 1 root root 176 Dec 15 00:13 bluetooth.service -rw-r--r-- 1 root root 379 Dec 15 00:09 bluetooth.target -rw-r--r-- 1 root root 358 Dec 15 00:09 busnames.target drwxr-xr-x 2 root root 4096 Dec 15 00:09 busnames.target.wants -rw-r--r-- 1 root root 116 Dec 14 23:50 busybox-klogd.service -rw-r--r-- 1 root root 270 Dec 14 23:50 busybox-syslog.service -rw-r--r-- 1 root root 770 Dec 15 00:09 console-getty.service -rw-r--r-- 1 root root 752 Dec 15 00:09 console-shell.service -rw-r--r-- 1 root root 791 Dec 15 00:09 container-getty@.service lrwxrwxrwx 1 root root 13 Dec 15 00:09 ctrl-alt-del.target -> reboot.target lrwxrwxrwx 1 root root 25 Dec 15 00:09 dbus-org.freedesktop.hostname1.service -> systemd-hostnamed.service lrwxrwxrwx 1 root root 23 Dec 15 00:09 dbus-org.freedesktop.locale1.service -> systemd-localed.service lrwxrwxrwx 1 root root 22 Dec 15 00:09 dbus-org.freedesktop.login1.service -> systemd-logind.service lrwxrwxrwx 1 root root 24 Dec 15 00:09 dbus-org.freedesktop.machine1.service -> systemd-machined.service lrwxrwxrwx 1 root root 24 Dec 15 00:09 dbus-org.freedesktop.network1.service -> systemd-networkd.service lrwxrwxrwx 1 root root 24 Dec 15 00:09 dbus-org.freedesktop.resolve1.service -> systemd-resolved.service lrwxrwxrwx 1 root root 25 Dec 15 00:09 dbus-org.freedesktop.timedate1.service -> systemd-timedated.service -rw-r--r-- 1 root root 366 Dec 15 00:11 dbus.service -rw-r--r-- 1 root root 106 Dec 15 00:11 dbus.socket drwxr-xr-x 2 root root 4096 Dec 15 00:11 dbus.target.wants -rw-r--r-- 1 root root 1008 Dec 15 00:09 debug-shell.service lrwxrwxrwx 1 root root 16 Dec 15 00:09 default.target -> graphical.target -rw-r--r-- 1 root root 670 Dec 15 00:09 dev-hugepages.mount -rw-r--r-- 1 root root 624 Dec 15 00:09 dev-mqueue.mount -rw-r--r-- 1 root root 131 Dec 15 00:00 dropbear.socket -rw-r--r-- 1 root root 384 Dec 15 00:00 dropbear@.service -rw-r--r-- 1 root root 453 Dec 15 00:00 dropbearkey.service -rw-r--r-- 1 root root 995 Dec 15 00:09 emergency.service -rw-r--r-- 1 root root 431 Dec 15 00:09 emergency.target -rw-r--r-- 1 root root 501 Dec 15 00:09 exit.target -rw-r--r-- 1 root root 440 Dec 15 00:09 final.target -rw-r--r-- 1 root root 420 Dec 15 00:00 gadget-init.service -rw-r--r-- 1 root root 460 Dec 15 00:09 getty.target -rw-r--r-- 1 root root 1536 Dec 15 00:09 getty@.service -rw-r--r-- 1 root root 198 Dec 14 23:48 gplv3-notice.service -rw-r--r-- 1 root root 558 Dec 15 00:09 graphical.target drwxr-xr-x 2 root root 4096 Dec 15 00:09 graphical.target.wants -rw-r--r-- 1 root root 565 Dec 15 00:09 halt-local.service -rw-r--r-- 1 root root 487 Dec 15 00:09 halt.target -rw-r--r-- 1 root root 447 Dec 15 00:09 hibernate.target -rw-r--r-- 1 root root 468 Dec 15 00:09 hybrid-sleep.target -rw-r--r-- 1 root root 630 Dec 15 00:09 initrd-cleanup.service -rw-r--r-- 1 root root 553 Dec 15 00:09 initrd-fs.target -rw-r--r-- 1 root root 790 Dec 15 00:09 initrd-parse-etc.service -rw-r--r-- 1 root root 526 Dec 15 00:09 initrd-root-fs.target -rw-r--r-- 1 root root 640 Dec 15 00:09 initrd-switch-root.service -rw-r--r-- 1 root root 691 Dec 15 00:09 initrd-switch-root.target -rw-r--r-- 1 root root 664 Dec 15 00:09 initrd-udevadm-cleanup-db.service -rw-r--r-- 1 root root 671 Dec 15 00:09 initrd.target -rw-r--r-- 1 root root 501 Dec 15 00:09 kexec.target -rw-r--r-- 1 root root 677 Dec 15 00:09 kmod-static-nodes.service -rw-r--r-- 1 root root 658 Dec 15 00:09 ldconfig.service -rw-r--r-- 1 root root 292 Dec 14 23:52 lighttpd.service -rw-r--r-- 1 root root 395 Dec 15 00:09 local-fs-pre.target -rw-r--r-- 1 root root 507 Dec 15 00:09 local-fs.target drwxr-xr-x 2 root root 4096 Dec 15 00:09 local-fs.target.wants -rw-r--r-- 1 root root 405 Dec 15 00:09 machine.slice -rw-r--r-- 1 root root 531 Dec 15 00:09 machines.target -rw-r--r-- 1 root root 492 Dec 15 00:09 multi-user.target drwxr-xr-x 2 root root 4096 Dec 15 02:22 multi-user.target.wants -rw-r--r-- 1 root root 464 Dec 15 00:09 network-online.target -rw-r--r-- 1 root root 461 Dec 15 00:09 network-pre.target -rw-r--r-- 1 root root 480 Dec 15 00:09 network.target -rw-r--r-- 1 root root 250 Dec 14 23:49 nfs-statd.service -rw-r--r-- 1 root root 514 Dec 15 00:09 nss-lookup.target -rw-r--r-- 1 root root 473 Dec 15 00:09 nss-user-lookup.target -rw-r--r-- 1 root root 183 Dec 15 00:15 ofono.service -rw-r--r-- 1 root root 521 Dec 14 23:50 opkg-configure.service -rw-r--r-- 1 root root 554 Dec 15 00:09 org.freedesktop.hostname1.busname -rw-r--r-- 1 root root 550 Dec 15 00:09 org.freedesktop.locale1.busname -rw-r--r-- 1 root root 598 Dec 15 00:09 org.freedesktop.login1.busname -rw-r--r-- 1 root root 549 Dec 15 00:09 org.freedesktop.machine1.busname -rw-r--r-- 1 root root 675 Dec 15 00:09 org.freedesktop.network1.busname -rw-r--r-- 1 root root 763 Dec 15 00:09 org.freedesktop.resolve1.busname -rw-r--r-- 1 root root 480 Dec 15 00:09 org.freedesktop.systemd1.busname -rw-r--r-- 1 root root 538 Dec 15 00:09 org.freedesktop.timedate1.busname -rw-r--r-- 1 root root 354 Dec 15 00:09 paths.target -rw-r--r-- 1 root root 552 Dec 15 00:09 poweroff.target drwxr-xr-x 2 root root 4096 Dec 15 00:09 poweroff.target.wants -rw-r--r-- 1 root root 377 Dec 15 00:09 printer.target -rw-r--r-- 1 root root 178 Dec 15 00:16 ptpd.service -rw-r--r-- 1 root root 576 Dec 15 00:09 quotaon.service -rw-r--r-- 1 root root 612 Dec 15 00:09 rc-local.service -rw-r--r-- 1 root root 543 Dec 15 00:09 reboot.target drwxr-xr-x 2 root root 4096 Dec 15 00:09 reboot.target.wants -rw-r--r-- 1 root root 396 Dec 15 00:09 remote-fs-pre.target -rw-r--r-- 1 root root 482 Dec 15 00:09 remote-fs.target -rw-r--r-- 1 root root 988 Dec 15 00:09 rescue.service -rw-r--r-- 1 root root 486 Dec 15 00:09 rescue.target drwxr-xr-x 2 root root 4096 Dec 15 00:09 rescue.target.wants -rw-r--r-- 1 root root 212 Dec 15 00:12 rpcbind.service -rw-r--r-- 1 root root 132 Dec 15 00:12 rpcbind.socket -rw-r--r-- 1 root root 500 Dec 15 00:09 rpcbind.target -rw-r--r-- 1 root root 385 Dec 14 23:47 run-postinsts.service lrwxrwxrwx 1 root root 15 Dec 15 00:09 runlevel0.target -> poweroff.target lrwxrwxrwx 1 root root 13 Dec 15 00:09 runlevel1.target -> rescue.target drwxr-xr-x 2 root root 4096 Dec 15 00:09 runlevel1.target.wants lrwxrwxrwx 1 root root 17 Dec 15 00:09 runlevel2.target -> multi-user.target drwxr-xr-x 2 root root 4096 Dec 15 00:09 runlevel2.target.wants lrwxrwxrwx 1 root root 17 Dec 15 00:09 runlevel3.target -> multi-user.target drwxr-xr-x 2 root root 4096 Dec 15 00:09 runlevel3.target.wants lrwxrwxrwx 1 root root 17 Dec 15 00:09 runlevel4.target -> multi-user.target drwxr-xr-x 2 root root 4096 Dec 15 00:09 runlevel4.target.wants lrwxrwxrwx 1 root root 16 Dec 15 00:09 runlevel5.target -> graphical.target drwxr-xr-x 2 root root 4096 Dec 15 00:09 runlevel5.target.wants lrwxrwxrwx 1 root root 13 Dec 15 00:09 runlevel6.target -> reboot.target -rw-r--r-- 1 root root 1059 Dec 14 23:23 serial-getty@.service -rw-r--r-- 1 root root 402 Dec 15 00:09 shutdown.target -rw-r--r-- 1 root root 362 Dec 15 00:09 sigpwr.target -rw-r--r-- 1 root root 420 Dec 15 00:09 sleep.target -rw-r--r-- 1 root root 409 Dec 15 00:09 slices.target -rw-r--r-- 1 root root 380 Dec 15 00:09 smartcard.target -rw-r--r-- 1 root root 356 Dec 15 00:09 sockets.target drwxr-xr-x 2 root root 4096 Dec 15 02:22 sockets.target.wants -rw-r--r-- 1 root root 380 Dec 15 00:09 sound.target -rw-r--r-- 1 root root 204 Dec 15 00:03 strongswan.service -rw-r--r-- 1 root root 441 Dec 15 00:09 suspend.target -rw-r--r-- 1 root root 353 Dec 15 00:09 swap.target -rw-r--r-- 1 root root 715 Dec 15 00:09 sys-fs-fuse-connections.mount -rw-r--r-- 1 root root 719 Dec 15 00:09 sys-kernel-config.mount -rw-r--r-- 1 root root 662 Dec 15 00:09 sys-kernel-debug.mount -rw-r--r-- 1 root root 518 Dec 15 00:09 sysinit.target drwxr-xr-x 2 root root 4096 Dec 15 02:22 sysinit.target.wants lrwxrwxrwx 1 root root 9 Dec 14 23:50 syslog.service -> /dev/null -rw-r--r-- 1 root root 1235 Dec 15 00:09 syslog.socket -rw-r--r-- 1 root root 585 Dec 15 00:09 system-update.target -rw-r--r-- 1 root root 436 Dec 15 00:09 system.slice -rw-r--r-- 1 root root 646 Dec 15 00:09 systemd-ask-password-console.path -rw-r--r-- 1 root root 653 Dec 15 00:09 systemd-ask-password-console.service -rw-r--r-- 1 root root 574 Dec 15 00:09 systemd-ask-password-wall.path -rw-r--r-- 1 root root 681 Dec 15 00:09 systemd-ask-password-wall.service -rw-r--r-- 1 root root 724 Dec 15 00:09 systemd-backlight@.service -rw-r--r-- 1 root root 650 Dec 15 00:09 systemd-bootchart.service -rw-r--r-- 1 root root 497 Dec 15 00:09 systemd-exit.service -rw-r--r-- 1 root root 755 Dec 15 00:09 systemd-firstboot.service -rw-r--r-- 1 root root 574 Dec 15 00:09 systemd-fsck-root.service -rw-r--r-- 1 root root 600 Dec 15 00:09 systemd-fsck@.service -rw-r--r-- 1 root root 544 Dec 15 00:09 systemd-halt.service -rw-r--r-- 1 root root 631 Dec 15 00:09 systemd-hibernate-resume@.service -rw-r--r-- 1 root root 501 Dec 15 00:09 systemd-hibernate.service -rw-r--r-- 1 root root 710 Dec 15 00:09 systemd-hostnamed.service -rw-r--r-- 1 root root 778 Dec 15 00:09 systemd-hwdb-update.service -rw-r--r-- 1 root root 519 Dec 15 00:09 systemd-hybrid-sleep.service -rw-r--r-- 1 root root 480 Dec 15 00:09 systemd-initctl.service -rw-r--r-- 1 root root 524 Dec 15 00:09 systemd-initctl.socket -rw-r--r-- 1 root root 667 Dec 15 00:09 systemd-journal-catalog-update.service -rw-r--r-- 1 root root 731 Dec 15 00:09 systemd-journal-flush.service -rw-r--r-- 1 root root 607 Dec 15 00:09 systemd-journald-audit.socket -rw-r--r-- 1 root root 1090 Dec 15 00:09 systemd-journald-dev-log.socket -rw-r--r-- 1 root root 1293 Dec 15 00:09 systemd-journald.service -rw-r--r-- 1 root root 842 Dec 15 00:09 systemd-journald.socket -rw-r--r-- 1 root root 557 Dec 15 00:09 systemd-kexec.service -rw-r--r-- 1 root root 691 Dec 15 00:09 systemd-localed.service -rw-r--r-- 1 root root 1126 Dec 15 00:09 systemd-logind.service -rw-r--r-- 1 root root 693 Dec 15 00:09 systemd-machine-id-commit.service -rw-r--r-- 1 root root 948 Dec 15 00:09 systemd-machined.service -rw-r--r-- 1 root root 967 Dec 15 00:09 systemd-modules-load.service -rw-r--r-- 1 root root 685 Dec 15 00:09 systemd-networkd-wait-online.service -rw-r--r-- 1 root root 1339 Dec 15 00:09 systemd-networkd.service -rw-r--r-- 1 root root 591 Dec 15 00:09 systemd-networkd.socket -rw-r--r-- 1 root root 1378 Dec 15 00:09 systemd-nspawn@.service -rw-r--r-- 1 root root 553 Dec 15 00:09 systemd-poweroff.service -rw-r--r-- 1 root root 618 Dec 15 00:09 systemd-quotacheck.service -rw-r--r-- 1 root root 717 Dec 15 00:09 systemd-random-seed.service -rw-r--r-- 1 root root 548 Dec 15 00:09 systemd-reboot.service -rw-r--r-- 1 root root 757 Dec 15 00:09 systemd-remount-fs.service -rw-r--r-- 1 root root 907 Dec 15 00:09 systemd-resolved.service -rw-r--r-- 1 root root 696 Dec 15 00:09 systemd-rfkill.service -rw-r--r-- 1 root root 617 Dec 15 00:09 systemd-rfkill.socket -rw-r--r-- 1 root root 497 Dec 15 00:09 systemd-suspend.service -rw-r--r-- 1 root root 649 Dec 15 00:09 systemd-sysctl.service -rw-r--r-- 1 root root 655 Dec 15 00:09 systemd-timedated.service -rw-r--r-- 1 root root 1032 Dec 15 00:09 systemd-timesyncd.service -rw-r--r-- 1 root root 598 Dec 15 00:09 systemd-tmpfiles-clean.service -rw-r--r-- 1 root root 450 Dec 15 00:09 systemd-tmpfiles-clean.timer -rw-r--r-- 1 root root 703 Dec 15 00:09 systemd-tmpfiles-setup-dev.service -rw-r--r-- 1 root root 683 Dec 15 00:09 systemd-tmpfiles-setup.service -rw-r--r-- 1 root root 823 Dec 15 00:09 systemd-udev-settle.service -rw-r--r-- 1 root root 743 Dec 15 00:09 systemd-udev-trigger.service -rw-r--r-- 1 root root 578 Dec 15 00:09 systemd-udevd-control.socket -rw-r--r-- 1 root root 570 Dec 15 00:09 systemd-udevd-kernel.socket -rw-r--r-- 1 root root 842 Dec 15 00:09 systemd-udevd.service -rw-r--r-- 1 root root 630 Dec 15 00:09 systemd-update-done.service -rw-r--r-- 1 root root 757 Dec 15 00:09 systemd-update-utmp-runlevel.service -rw-r--r-- 1 root root 754 Dec 15 00:09 systemd-update-utmp.service -rw-r--r-- 1 root root 573 Dec 15 00:09 systemd-user-sessions.service -rw-r--r-- 1 root root 613 Dec 15 00:09 systemd-vconsole-setup.service -rw-r--r-- 1 root root 395 Dec 15 00:09 time-sync.target -rw-r--r-- 1 root root 405 Dec 15 00:09 timers.target drwxr-xr-x 2 root root 4096 Dec 15 00:09 timers.target.wants -rw-r--r-- 1 root root 625 Dec 15 00:09 tmp.mount -rw-r--r-- 1 root root 417 Dec 15 00:09 umount.target -rw-r--r-- 1 root root 392 Dec 15 00:09 user.slice -rw-r--r-- 1 root root 528 Dec 15 00:09 user@.service -rw-r--r-- 1 root root 475 Dec 15 00:09 var-lib-machines.mount -rw-r--r-- 1 root root 496 Dec 14 23:22 var-volatile-lib.service
root@am335x-evm:/lib/systemd/system# cd /usr/lib/systemd // system 이 존재하지 않음 root@am335x-evm:/usr/lib/systemd# ls -al drwxr-xr-x 6 root root 4096 Dec 15 2016 . drwxr-xr-x 56 root root 53248 Dec 15 2016 .. drwxr-xr-x 2 root root 4096 Dec 15 2016 catalog drwxr-xr-x 2 root root 4096 Dec 15 2016 network drwxr-xr-x 2 root root 4096 Dec 15 2016 user drwxr-xr-x 2 root root 4096 Dec 15 2016 user-generators
#systemctl status // 현재 전체 service 확인
?? am335x-evm
State: running
Jobs: 0 queued
Failed: 0 units
Since: Thu 1970-01-01 00:00:02 UTC; 46 years 11 months ago
CGroup: /
???€init.scope // init.scope 영역 , 만약 ssh를 사용하여 login을 한다면, user.slice가 존재
?? ???€1 /sbin/init // PID 1 /sbin/init
???€system.slice //systemd 로 실행되는 각 service들
?? ???€avahi-daemon.service
?? ?? ???€502 avahi-daemon: running [am335x-evm.local // 502는 PID, init scirpt도 존재
?? ?? ???€524 avahi-daemon: chroot helpe
?? ???€dbus.service
?? ?? ???€475 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation
?? ???€lighttpd.service
?? ?? ???€695 /usr/sbin/lighttpd -D -f /etc/lighttpd.conf
?? ???€matrix-gui-2.0.service
?? ?? ???€857 /usr/bin/matrix_browser http://localhost:80/
?? ???€weston.service
?? ?? ???€811 /bin/sh /usr/bin/runWeston
?? ?? ???€814 weston --idle-time=0
?? ?? ???€826 /usr/libexec/weston-keyboard
?? ?? ???€828 /usr/libexec/weston-desktop-shell
?? ???€busybox-klogd.service
?? ?? ???€506 /sbin/klogd -n
?? ???€telnetd.service
?? ?? ???€819 /usr/sbin/telnetd
?? ???€system-serial\x2dgetty.slice
?? ?? ???€serial-getty@ttyS3.service
?? ?? ?? ???€1018 /sbin/agetty -8 -L ttyS3 115200 xterm
?? ?? ???€serial-getty@ttyGS0.service
?? ?? ???€685 /sbin/agetty -8 -L ttyGS0 115200 xterm
?? ???€systemd-journald.service
?? ?? ???€99 /lib/systemd/systemd-journald
?? ???€busybox-udhcpd.service
?? ?? ???€833 /usr/sbin/udhcpd -S /etc/udhcpd_usb0.conf
?? ???€thttpd.service
?? ?? ???€831 /usr/sbin/thttpd -d /srv/www -p 8080
?? ???€systemd-resolved.service
?? ?? ???€687 /lib/systemd/systemd-resolved
?? ???€systemd-timesyncd.service
?? ?? ???€396 /lib/systemd/systemd-timesyncd
?? ???€systemd-logind.service
?? ?? ???€465 /lib/systemd/systemd-logind
?? ???€systemd-networkd.service
?? ?? ???€496 /lib/systemd/systemd-networkd
?? ???€system-getty.slice
?? ?? ???€getty@tty1.service
?? ?? ???€682 /sbin/agetty --noclear tty1 linux
?? ???€ofono.service
.......
$ dmesg
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.14.34-v7+ (dc4@dc4-XPS13-9333) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1110 SMP Mon Apr 16 15:18:51 BST 2018
[ 0.000000] CPU: ARMv7 Processor [410fd034] revision 4 (ARMv7), cr=10c5383d
[ 0.000000] CPU: div instructions available: patching division code
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] OF: fdt: Machine model: Raspberry Pi 3 Model B Rev 1.2
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] cma: Reserved 8 MiB at 0x37800000
[ 0.000000] On node 0 totalpages: 229376
[ 0.000000] free_area_init_node: node 0, pgdat 80c84e40, node_mem_map b7016000
[ 0.000000] Normal zone: 2016 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 229376 pages, LIFO batch:31
[ 0.000000] random: fast init done
[ 0.000000] percpu: Embedded 17 pages/cpu @b6fbf000 s38720 r8192 d22720 u69632
[ 0.000000] pcpu-alloc: s38720 r8192 d22720 u69632 alloc=17*4096
[ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 227360
[ 0.000000] Kernel command line: 8250.nr_uarts=0 bcm2708_fb.fbwidth=1920 bcm2708_fb.fbheight=1080 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=ttyS0,115200 console=tty1 root=PARTUUID=0c830106-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles
[ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Memory: 887456K/917504K available (7168K kernel code, 575K rwdata, 2072K rodata, 1024K init, 706K bss, 21856K reserved, 8192K cma-reserved)
[ 0.000000] Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0xb8800000 - 0xff800000 (1136 MB)
lowmem : 0x80000000 - 0xb8000000 ( 896 MB)
modules : 0x7f000000 - 0x80000000 ( 16 MB)
.text : 0x80008000 - 0x80800000 (8160 kB)
.init : 0x80b00000 - 0x80c00000 (1024 kB)
.data : 0x80c00000 - 0x80c8fd4c ( 576 kB)
.bss : 0x80c96f4c - 0x80d478b4 ( 707 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.000000] ftrace: allocating 25231 entries in 74 pages
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000000] arch_timer: cp15 timer(s) running at 19.20MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
[ 0.000007] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
[ 0.000019] Switching to timer-based delay loop, resolution 52ns
[ 0.000267] Console: colour dummy device 80x30
[ 0.000285] console [tty1] enabled
[ 0.000310] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000)
[ 0.000324] pid_max: default: 32768 minimum: 301
[ 0.000640] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000654] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.001589] Disabling memory control group subsystem
[ 0.001669] CPU: Testing write buffer coherency: ok
[ 0.002060] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.002435] Setting up static identity map for 0x100000 - 0x10003c
[ 0.002553] Hierarchical SRCU implementation.
[ 0.003188] smp: Bringing up secondary CPUs ...
[ 0.003869] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 0.004618] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[ 0.005346] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[ 0.005449] smp: Brought up 1 node, 4 CPUs
[ 0.005460] SMP: Total of 4 processors activated (153.60 BogoMIPS).
[ 0.005465] CPU: All CPU(s) started in HYP mode.
[ 0.005469] CPU: Virtualization extensions available.
[ 0.006311] devtmpfs: initialized
[ 0.016951] VFP support v0.3: implementor 41 architecture 3 part 40 variant 3 rev 4
[ 0.017174] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.017192] futex hash table entries: 1024 (order: 4, 65536 bytes)
[ 0.017748] pinctrl core: initialized pinctrl subsystem
[ 0.018490] NET: Registered protocol family 16
[ 0.021211] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[ 0.026008] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[ 0.026015] hw-breakpoint: maximum watchpoint size is 8 bytes.
[ 0.026219] Serial: AMBA PL011 UART driver
[ 0.027834] bcm2835-mbox 3f00b880.mailbox: mailbox enabled
[ 0.028291] uart-pl011 3f201000.serial: could not find pctldev for node /soc/gpio@7e200000/uart0_pins, deferring probe
[ 0.059383] bcm2835-dma 3f007000.dma: DMA legacy API manager at b8813000, dmachans=0x1
[ 0.060908] SCSI subsystem initialized
[ 0.061128] usbcore: registered new interface driver usbfs
[ 0.061179] usbcore: registered new interface driver hub
[ 0.061261] usbcore: registered new device driver usb
[ 0.070088] raspberrypi-firmware soc:firmware: Attached to firmware from 2018-04-16 18:21
[ 0.071505] clocksource: Switched to clocksource arch_sys_counter
[ 0.148883] VFS: Disk quotas dquot_6.6.0
[ 0.148967] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.149154] FS-Cache: Loaded
[ 0.149351] CacheFiles: Loaded
[ 0.158152] NET: Registered protocol family 2
[ 0.158874] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.158984] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.159170] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.159299] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.159343] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.159571] NET: Registered protocol family 1
[ 0.160016] RPC: Registered named UNIX socket transport module.
[ 0.160022] RPC: Registered udp transport module.
[ 0.160027] RPC: Registered tcp transport module.
[ 0.160032] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.161625] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 7 counters available
[ 0.164360] workingset: timestamp_bits=14 max_order=18 bucket_order=4
[ 0.172272] FS-Cache: Netfs 'nfs' registered for caching
[ 0.172862] NFS: Registering the id_resolver key type
[ 0.172900] Key type id_resolver registered
[ 0.172906] Key type id_legacy registered
[ 0.172921] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 0.174757] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[ 0.174881] io scheduler noop registered
[ 0.174887] io scheduler deadline registered (default)
[ 0.175165] io scheduler cfq registered
[ 0.175173] io scheduler mq-deadline registered
[ 0.175179] io scheduler kyber registered
[ 0.177875] BCM2708FB: allocated DMA memory f7910000
[ 0.177903] BCM2708FB: allocated DMA channel 0 @ b8813000
[ 0.235713] Console: switching to colour frame buffer device 240x67
[ 0.270742] bcm2835-rng 3f104000.rng: hwrng registered
[ 0.270873] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[ 0.271359] vc-sm: Videocore shared memory driver
[ 0.271668] gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000
[ 0.281295] brd: module loaded
[ 0.290358] loop: module loaded
[ 0.290371] Loading iSCSI transport class v2.0-870.
[ 0.291045] libphy: Fixed MDIO Bus: probed
[ 0.291140] usbcore: registered new interface driver lan78xx
[ 0.291196] usbcore: registered new interface driver smsc95xx
[ 0.291213] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[ 0.519375] Core Release: 2.80a
[ 0.519387] Setting default values for core params
[ 0.519418] Finished setting default values for core params
[ 0.719681] Using Buffer DMA mode
[ 0.719687] Periodic Transfer Interrupt Enhancement - disabled
[ 0.719693] Multiprocessor Interrupt Enhancement - disabled
[ 0.719699] OTG VER PARAM: 0, OTG VER FLAG: 0
[ 0.719710] Dedicated Tx FIFOs mode
[ 0.720068] WARN::dwc_otg_hcd_init:1046: FIQ DMA bounce buffers: virt = 0xb7904000 dma = 0xf7904000 len=9024
[ 0.720095] FIQ FSM acceleration enabled for :
Non-periodic Split Transactions
Periodic Split Transactions
High-Speed Isochronous Endpoints
Interrupt/Control Split Transaction hack enabled
[ 0.720102] dwc_otg: Microframe scheduler enabled
[ 0.720158] WARN::hcd_init_fiq:459: FIQ on core 1 at 0x805e6a40
[ 0.720169] WARN::hcd_init_fiq:460: FIQ ASM at 0x805e6da8 length 36
[ 0.720182] WARN::hcd_init_fiq:486: MPHI regs_base at 0xb887e000
[ 0.720238] dwc_otg 3f980000.usb: DWC OTG Controller
[ 0.720273] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1
[ 0.720305] dwc_otg 3f980000.usb: irq 62, io mem 0x00000000
[ 0.720350] Init: Port Power? op_state=1
[ 0.720355] Init: Power Port (0)
[ 0.720566] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.720577] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.720585] usb usb1: Product: DWC OTG Controller
[ 0.720594] usb usb1: Manufacturer: Linux 4.14.34-v7+ dwc_otg_hcd
[ 0.720602] usb usb1: SerialNumber: 3f980000.usb
[ 0.721235] hub 1-0:1.0: USB hub found
[ 0.721274] hub 1-0:1.0: 1 port detected
[ 0.721851] dwc_otg: FIQ enabled
[ 0.721857] dwc_otg: NAK holdoff enabled
[ 0.721862] dwc_otg: FIQ split-transaction FSM enabled
[ 0.721872] Module dwc_common_port init
[ 0.722108] usbcore: registered new interface driver usb-storage
[ 0.722280] mousedev: PS/2 mouse device common for all mice
[ 0.722356] IR NEC protocol handler initialized
[ 0.722361] IR RC5(x/sz) protocol handler initialized
[ 0.722367] IR RC6 protocol handler initialized
[ 0.722372] IR JVC protocol handler initialized
[ 0.722377] IR Sony protocol handler initialized
[ 0.722382] IR SANYO protocol handler initialized
[ 0.722388] IR Sharp protocol handler initialized
[ 0.722393] IR MCE Keyboard/mouse protocol handler initialized
[ 0.722398] IR XMP protocol handler initialized
[ 0.723081] bcm2835-wdt 3f100000.watchdog: Broadcom BCM2835 watchdog timer
[ 0.723342] bcm2835-cpufreq: min=600000 max=1200000
[ 0.723695] sdhci: Secure Digital Host Controller Interface driver
[ 0.723700] sdhci: Copyright(c) Pierre Ossman
[ 0.724059] mmc-bcm2835 3f300000.mmc: could not get clk, deferring probe
[ 0.724384] sdhost-bcm2835 3f202000.mmc: could not get clk, deferring probe
[ 0.724475] sdhci-pltfm: SDHCI platform and OF driver helper
[ 0.725899] ledtrig-cpu: registered to indicate activity on CPUs
[ 0.726080] hidraw: raw HID events driver (C) Jiri Kosina
[ 0.726204] usbcore: registered new interface driver usbhid
[ 0.726210] usbhid: USB HID core driver
[ 0.726986] vchiq: vchiq_init_state: slot_zero = b7980000, is_master = 0
[ 0.728438] [vc_sm_connected_init]: start
[ 0.738907] [vc_sm_connected_init]: end - returning 0
[ 0.739490] Initializing XFRM netlink socket
[ 0.739515] NET: Registered protocol family 17
[ 0.739614] Key type dns_resolver registered
[ 0.740155] Registering SWP/SWPB emulation handler
[ 0.740743] registered taskstats version 1
[ 0.746682] uart-pl011 3f201000.serial: cts_event_workaround enabled
[ 0.746760] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 87, base_baud = 0) is a PL011 rev2
[ 0.748563] mmc-bcm2835 3f300000.mmc: mmc_debug:0 mmc_debug2:0
[ 0.748573] mmc-bcm2835 3f300000.mmc: DMA channel allocated
[ 0.802145] sdhost: log_buf @ b7907000 (f7907000)
[ 0.841999] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[ 0.843546] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 0.845094] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 0.847873] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[ 0.881525] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
[ 0.882587] of_cfs_init
[ 0.882674] of_cfs_init: OK
[ 0.883263] Waiting for root device PARTUUID=0c830106-02...
[ 0.931645] Indeed it is in host mode hprt0 = 00021501
[ 1.025154] mmc1: new high speed SDIO card at address 0001
[ 1.062700] mmc0: host does not support reading read-only switch, assuming write-enable
[ 1.066145] mmc0: new high speed SDHC card at address aaaa
[ 1.066597] mmcblk0: mmc0:aaaa SL16G 14.8 GiB
[ 1.068991] mmcblk0: p1 p2
[ 1.082349] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 1.082407] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[ 1.090094] devtmpfs: mounted
[ 1.093347] Freeing unused kernel memory: 1024K
[ 1.141555] usb 1-1: new high-speed USB device number 2 using dwc_otg
[ 1.141709] Indeed it is in host mode hprt0 = 00001101
[ 1.381850] usb 1-1: New USB device found, idVendor=0424, idProduct=9514
[ 1.381866] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.382646] hub 1-1:1.0: USB hub found
[ 1.382738] hub 1-1:1.0: 5 ports detected
[ 1.467302] systemd[1]: System time before build time, advancing clock.
[ 1.593629] NET: Registered protocol family 10
[ 1.594870] Segment Routing with IPv6
[ 1.607961] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 1.630555] systemd[1]: systemd 232 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
[ 1.631146] systemd[1]: Detected architecture arm.
[ 1.636234] systemd[1]: Set hostname to .
[ 1.701617] usb 1-1.1: new high-speed USB device number 3 using dwc_otg
[ 1.831917] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00
[ 1.831933] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.834693] smsc95xx v1.0.6
[ 1.935161] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:ef:b7:f8
[ 2.088664] systemd[1]: Listening on fsck to fsckd communication Socket.
[ 2.089776] systemd[1]: Created slice User and Session Slice.
[ 2.090066] systemd[1]: Listening on Journal Socket (/dev/log).
[ 2.090367] systemd[1]: Listening on Journal Socket.
[ 2.090623] systemd[1]: Listening on udev Kernel Socket.
[ 2.090869] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
[ 2.091802] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
[ 2.213886] i2c /dev entries driver
[ 2.550410] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[ 2.636913] systemd-journald[85]: Received request to flush runtime journal from PID 1
[ 3.188170] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[ 3.193560] bcm2835_alsa bcm2835_alsa: card created with 8 channels
[ 3.324525] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
[ 3.335237] brcmfmac: brcmf_fw_map_chip_to_name: using brcm/brcmfmac43430-sdio.bin for chip 0x00a9a6(43430) rev 0x000001
[ 3.335531] usbcore: registered new interface driver brcmfmac
[ 3.586694] brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: Oct 23 2017 03:55:53 version 7.45.98.38 (r674442 CY) FWID 01-e58d219f
[ 3.587608] brcmfmac: brcmf_c_preinit_dcmds: CLM version = API: 12.2 Data: 7.11.15 Compiler: 1.24.2 ClmImport: 1.24.1 Creation: 2014-05-26 10:53:55 Inc Data: 9.10.39 Inc Compiler: 1.29.4 Inc ClmImport: 1.36.3 Creation: 2017-10-23 03:47:14
[ 4.653711] uart-pl011 3f201000.serial: no DMA platform data
[ 5.262444] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 5.262495] brcmfmac: power management disabled
[ 5.553997] Process accounting resumed
[ 5.788790] Adding 102396k swap on /var/swap. Priority:-2 extents:1 across:102396k SSFS
[ 5.827103] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[ 5.827305] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 7.266908] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 9.231593] Bluetooth: Core ver 2.22
[ 9.231749] NET: Registered protocol family 31
[ 9.231756] Bluetooth: HCI device and connection manager initialized
[ 9.233499] Bluetooth: HCI socket layer initialized
[ 9.233524] Bluetooth: L2CAP socket layer initialized
[ 9.233588] Bluetooth: SCO socket layer initialized
[ 9.263519] Bluetooth: HCI UART driver ver 2.3
[ 9.263534] Bluetooth: HCI UART protocol H4 registered
[ 9.263541] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 9.263800] Bluetooth: HCI UART protocol Broadcom registered
[ 9.463472] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 9.463481] Bluetooth: BNEP filters: protocol multicast
[ 9.463503] Bluetooth: BNEP socket layer initialized
[ 9.519323] Bluetooth: RFCOMM TTY layer initialized
[ 9.519370] Bluetooth: RFCOMM socket layer initialized
[ 9.519398] Bluetooth: RFCOMM ver 1.11
[ 10.458720] fuse init (API version 7.26)
$ systemd-analyze Startup finished in 1.422s (kernel) + 8.050s (userspace) = 9.472s
$ systemd-analyze blame // 상위가 마지막으로 실행된 서비스
4.893s hciuart.service
1.917s networking.service
1.600s dphys-swapfile.service
1.210s bootchart.service
1.200s bootchart-done.service
1.186s dev-mmcblk0p2.device
1.149s acct.service
1.139s raspi-config.service
719ms lightdm.service
704ms keyboard-setup.service
603ms systemd-logind.service
368ms polkit.service
359ms ssh.service
329ms avahi-daemon.service
322ms systemd-timesyncd.service
314ms systemd-fsck@dev-disk-by\x2dpartuuid-0c830106\x2d01.service
304ms systemd-udev-trigger.service
291ms udisks2.service
270ms systemd-fsck-root.service
265ms systemd-udevd.service
229ms rsyslog.service
219ms dhcpcd.service
201ms systemd-journald.service
169ms fake-hwclock.service
167ms gldriver-test.service
160ms wifi-country.service
156ms systemd-tmpfiles-setup-dev.service
148ms triggerhappy.service
144ms systemd-tmpfiles-setup.service
134ms user@1000.service
132ms bluetooth.service
114ms plymouth-start.service
112ms systemd-remount-fs.service
105ms alsa-restore.service
103ms sys-kernel-debug.mount
97ms run-rpc_pipefs.mount
90ms systemd-journal-flush.service
81ms dev-mqueue.mount
78ms systemd-update-utmp.service
74ms kmod-static-nodes.service
71ms systemd-random-seed.service
70ms systemd-modules-load.service
67ms boot.mount
57ms systemd-sysctl.service
53ms plymouth-read-write.service
49ms console-setup.service
48ms plymouth-quit-wait.service
43ms systemd-update-utmp-runlevel.service
34ms rc-local.service
34ms nfs-config.service
33ms systemd-rfkill.service
32ms plymouth-quit.service
27ms systemd-user-sessions.service
26ms sys-kernel-config.mount
17ms sys-fs-fuse-connections.mount
$ systemd-analyze critical-chain
The time after the unit is active or started is printed after the "@" character.
The time the unit takes to start is printed after the "+" character.
graphical.target @7.995s
└─multi-user.target @7.994s
└─bluealsa.service @7.994s
└─bluetooth.service @7.858s +132ms
└─hciuart.service @2.958s +4.893s
└─basic.target @2.768s
└─sockets.target @2.768s
└─avahi-daemon.socket @2.768s
└─sysinit.target @2.766s
└─systemd-timesyncd.service @2.442s +322ms
└─systemd-tmpfiles-setup.service @2.283s +144ms
└─local-fs.target @2.275s
└─run-user-1000.mount @6.960s
└─local-fs-pre.target @1.468s
└─keyboard-setup.service @760ms +704ms
└─system.slice @688ms
└─-.slice @568ms
$ systemd-analyze plot > plot.svg // svg 그림파일로 변경 $ eog plot.svg // svg 파일 확인 or 브라우저 확인
