東京エリアDebian勉強会 - systemd

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はるまささんきち
5 years ago
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1 Debian systemd

2 Linux SysVinit init scripts init Fedora Arch Linux systemd SysVinit Debian systemd

3 systemd RedHat Lennart Poettering init init Linux init pid cgroups (dbus) System V BSD CosoleKit

5 systemd freedesktop.org v195

6 SysVinit systemd

7 SysVinit systemd / (cron ) kfreebsd

8 Debian systemd Debian testing / unstable v44 v44 systemd Debian

9 apt-get / aptitude Linux devtmpfs, fanotify, autofs4, cgroups

10 $ sudo apt-get install systemd libsystemd-daemon0 libsystemd-id128-0 libsystemd-journal0 libpam-systemd

11 init GRUB /etc/default/grub GRUB CMDLINE LINUX DEFAULT init=/lib/systemd/systemd : GRUB_CMDLINE_LINUX_DEFAULT="quiet" : GRUB_CMDLINE_LINUX_DEFAULT="quiet init=/lib/systemd/system

12 update-grub GRUB systemd $ sudo update-grub... $ sudo reboot

13 systemd SysVinit bootchart2 systemd-analyze $ systemd-analyze Startup finished in 1831ms (kernel) + \ 5669ms (userspace) = 7500ms

14 prop SVG $ systemd-analyze plot > systemd-boot.svg

16 SysVinit 15 systemd 10

17 systemd

18 systemd /lib/systemd/system/.service

19 service socket target device snapshot timer path mount swap automaount udev init mount, swap, automout /etc/fstab

20 SysVinit runlevel Debian run level systemd 0 poweroff.target 1 rescue.target 2-5 multi-user.target 6 reboot.target

21 graphical.target emergency.target graphical.target X emergency.target systemd.unit= default.target

22 systemd /etc/init.d/ systemctl

23 sytemctl $ systemctl... console-setup.service loaded active exited LSB: Set cron.service loaded active running LSB: Regu dbus.service loaded active running D-Bus Sys debian-fixup.service loaded active exited Various f exim4.service loaded active running LSB: exim getty@tty1.service loaded active running Getty on ifup@eth0.service loaded active exited ifup for...

24 --all $ systemctl --all UNIT LOAD ACTIVE SUB JOB DESCRIP proc-sys...misc.automount loaded active waiting Arbitra dev-cdrom.device loaded active plugged QEMU_DV dev-disk...qm00003.device loaded active plugged QEMU_DV dev-disk...qm00001.device loaded active plugged QEMU_HA dev-disk...2dpart1.device loaded active plugged QEMU_HA dev-disk...2dpart2.device loaded active plugged QEMU_HA...

25 status rsyslog.service $ systemctl status rsyslog.service Loaded: loaded (/lib/systemd/system/rsyslog.service; enable Active: active (running) since Wed, 14 Nov :37:18-0 Process: 474 ExecStartPre=/bin/systemctl stop systemd-kmsg-s Main PID: 483 (rsyslogd) CGroup: name=systemd:/system/rsyslog.service 483 /usr/sbin/rsyslogd -n -c5 /lib/systemd/system/rsyslog.service Wed, 14 Nov :37:

26 start /etc/init.d/ start $ sudo systemctl start

27 stop /etc/init.d/ stop $ sudo systemctl stop

28 daemon-reload $ sudo systemctl daemon-reload httpd reload

29 enable /etc/systemd/system/.wants/ /lib/systemd/system/ Install $ sudo systemctl enable

30 disable /etc/systemd/system/.wants/ $ sudo systemctl disabe

31 show $ sudo systemctl show rsyslog.service Id=rsyslog.service Names=syslog.service rsyslog.service Requires=basic.target Wants=syslog.socket WantedBy=multi-user.target Conflicts=shutdown.target...

32 Before After Conflicts Service Sockets Wants Requires BindTo

33 default.target [Unit] Description=Graphical Interface Requires=multi-user.target After=multi-user.target Conflicts=rescue.target AllowIsolate=yes multi-user.target multi-user.target rescue.target

34 Debian systemd SysVinit init

はじめに

Debian default init: sysvinit -> systemd 佐々木洋平 uwabami@gfd-dennou.org EPNetFaN 2015 座学編 2015-06-11 はじめにはじめに / 宣伝今日は Debian 8 の話は ( あまり ) しません OSC 2015 Hokkaido 今週末, 札幌コンベンションセンターセッション 6/13( 土 ) 11:00-11:45