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  • Ubuntu18.04初始的systemd service

    Ubuntu18.04初始的systemd service

    两个位置

    1. /etc/systemd/system
    root@dev2:~# ls /etc/systemd/system
    aliyun.service                         getty.target.wants           ntp.service             syslog.service
    chronyd.service                        graphical.target.wants       ntp-systemd-netif.path  systemd-resolved.service.wants
    dbus-org.freedesktop.network1.service  multi-user.target.wants      sockets.target.wants    timers.target.wants
    dbus-org.freedesktop.resolve1.service  network-online.target.wants  sshd.service
    default.target.wants                   network-pre.target.wants     sysinit.target.wants
    
    1. /lib/systemd/system
    root@dev2:~# ls /lib/systemd/system
    accounts-daemon.service                 motd.service                       sys-fs-fuse-connections.mount
    apparmor.service                        mountall-bootclean.service         sysinit.target
    apt-daily.service                       mountall.service                   sysinit.target.wants
    apt-daily.timer                         mountdevsubfs.service              sys-kernel-config.mount
    apt-daily-upgrade.service               mountkernfs.service                sys-kernel-debug.mount
    apt-daily-upgrade.timer                 mountnfs-bootclean.service         syslog.socket
    atd.service                             mountnfs.service                   sysstat.service
    autovt@.service                         multi-user.target                  systemd-ask-password-console.path
    basic.target                            multi-user.target.wants            systemd-ask-password-console.service
    bluetooth.target                        netplan-wpa@.service               systemd-ask-password-plymouth.path
    bootlogd.service                        networkd-dispatcher.service        systemd-ask-password-plymouth.service
    bootlogs.service                        network-online.target              systemd-ask-password-wall.path
    bootmisc.service                        network-pre.target                 systemd-ask-password-wall.service
    checkfs.service                         network.target                     systemd-backlight@.service
    checkroot-bootclean.service             nscd.service                       systemd-binfmt.service
    checkroot.service                       nss-lookup.target                  systemd-exit.service
    chrony-dnssrv@.service                  nss-user-lookup.target             systemd-fsckd.service
    chrony-dnssrv@.timer                    ondemand.service                   systemd-fsckd.socket
    chrony.service                          paths.target                       systemd-fsck-root.service
    cloud-config.service                    plymouth-halt.service              systemd-fsck@.service
    cloud-config.target                     plymouth-kexec.service             systemd-halt.service
    cloud-final.service                     plymouth-log.service               systemd-hibernate-resume@.service
    cloud-init-local.service                plymouth-poweroff.service          systemd-hibernate.service
    cloud-init.service                      plymouth-quit.service              systemd-hostnamed.service
    console-getty.service                   plymouth-quit-wait.service         systemd-hwdb-update.service
    console-setup.service                   plymouth-read-write.service        systemd-hybrid-sleep.service
    container-getty@.service                plymouth-reboot.service            systemd-initctl.service
    cron.service                            plymouth.service                   systemd-initctl.socket
    cryptdisks-early.service                plymouth-start.service             systemd-journald-audit.socket
    cryptdisks.service                      plymouth-switch-root.service       systemd-journald-dev-log.socket
    cryptsetup-pre.target                   poweroff.target                    systemd-journald.service
    cryptsetup.target                       poweroff.target.wants              systemd-journald.socket
    ctrl-alt-del.target                     printer.target                     systemd-journal-flush.service
    dbus-org.freedesktop.hostname1.service  procps.service                     systemd-kexec.service
    dbus-org.freedesktop.locale1.service    proc-sys-fs-binfmt_misc.automount  systemd-localed.service
    dbus-org.freedesktop.login1.service     proc-sys-fs-binfmt_misc.mount      systemd-logind.service
    dbus-org.freedesktop.timedate1.service  quotaon.service                    systemd-machine-id-commit.service
    dbus.service                            rc-local.service                   systemd-modules-load.service
    dbus.socket                             rc.local.service                   systemd-networkd.service
    debug-shell.service                     rc-local.service.d                 systemd-networkd.socket
    default.target                          rc.service                         systemd-networkd-wait-online.service
    dev-hugepages.mount                     rcS.service                        systemd-poweroff.service
    dev-mqueue.mount                        reboot.service                     systemd-quotacheck.service
    ecs_mq.service                          reboot.target                      systemd-random-seed.service
    emergency.service                       reboot.target.wants                systemd-reboot.service
    emergency.target                        remote-cryptsetup.target           systemd-remount-fs.service
    exit.target                             remote-fs-pre.target               systemd-resolved.service
    final.target                            remote-fs.target                   systemd-rfkill.service
    friendly-recovery.service               rescue.service                     systemd-rfkill.socket
    friendly-recovery.target                rescue.target                      systemd-suspend.service
    fstrim.service                          rescue.target.wants                systemd-suspend-then-hibernate.service
    fstrim.timer                            resolvconf-pull-resolved.path      systemd-sysctl.service
    fuse.service                            resolvconf-pull-resolved.service   systemd-timedated.service
    getty-pre.target                        resolvconf.service                 systemd-timesyncd.service
    getty@.service                          rmnologin.service                  systemd-tmpfiles-clean.service
    getty-static.service                    rpcbind.target                     systemd-tmpfiles-clean.timer
    getty.target                            rsync.service                      systemd-tmpfiles-setup-dev.service
    getty.target.wants                      rsyslog.service                    systemd-tmpfiles-setup.service
    graphical.target                        runlevel0.target                   systemd-udevd-control.socket
    graphical.target.wants                  runlevel1.target                   systemd-udevd-kernel.socket
    halt.service                            runlevel1.target.wants             systemd-udevd.service
    halt.target                             runlevel2.target                   systemd-udev-settle.service
    halt.target.wants                       runlevel2.target.wants             systemd-udev-trigger.service
    hibernate.target                        runlevel3.target                   systemd-update-utmp-runlevel.service
    hostname.service                        runlevel3.target.wants             systemd-update-utmp.service
    hwclock.service                         runlevel4.target                   systemd-user-sessions.service
    hybrid-sleep.target                     runlevel4.target.wants             systemd-volatile-root.service
    initrd-cleanup.service                  runlevel5.target                   system.slice
    initrd-fs.target                        runlevel5.target.wants             system-update-cleanup.service
    initrd-parse-etc.service                runlevel6.target                   system-update.target
    initrd-root-device.target               sendsigs.service                   timers.target
    initrd-root-fs.target                   serial-getty@.service              timers.target.wants
    initrd-switch-root.service              setvtrgb.service                   time-sync.target
    initrd-switch-root.target               shutdown.target                    udev.service
    initrd-switch-root.target.wants         sigpwr.target                      ufw.service
    initrd.target                           single.service                     umountfs.service
    initrd-udevadm-cleanup-db.service       sleep.target                       umountnfs.service
    irqbalance.service                      slices.target                      umountroot.service
    kexec.target                            smartcard.target                   umount.target
    kexec.target.wants                      sockets.target                     urandom.service
    keyboard-setup.service                  sockets.target.wants               ureadahead.service
    killprocs.service                       sound.target                       ureadahead-stop.service
    kmod.service                            ssh.service                        ureadahead-stop.timer
    kmod-static-nodes.service               ssh@.service                       user@.service
    local-fs-pre.target                     ssh.socket                         user@.service.d
    local-fs.target                         stop-bootlogd.service              user.slice
    local-fs.target.wants                   stop-bootlogd-single.service       uuidd.service
    machine.slice                           sudo.service                       uuidd.socket
    module-init-tools.service               suspend.target                     x11-common.service
    motd-news.service                       suspend-then-hibernate.target
    motd-news.timer                         swap.target
    
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  • 原文地址:https://www.cnblogs.com/xiangnan/p/12076176.html
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