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Systemd: 서비스의 종속성 찾기

tag-icon • tag-icon systemd dependencies
Systemd: 서비스의 종속성 찾기 
systemctl list-dependencies postgres

서비스의 모든 종속성이 나열됩니다 postgres. 다 어떻게 찾나요?가족 구성원들봉사(혹은 단위, 목표)?

답변1

$ systemctl list-dependencies systemd-sysusers.service --all --reverse
systemd-sysusers.service
● └─sysinit.target
●   ├─accounts-daemon.service
●   │ └─graphical.target
●   ├─acpid.path
●   │ └─paths.target
●   │   └─basic.target
●   │     └─multi-user.target
●   │       └─graphical.target

man systemctl:

   list-dependencies [UNIT...]
       Shows units required and wanted by the specified units.
       This recursively lists units following the Requires=,
       Requisite=, ConsistsOf=, Wants=, BindsTo= dependencies. If
       no units are specified, default.target is implied.

       By default, only target units are recursively expanded.
       When --all is passed, all other units are recursively
       expanded as well.

       Options --reverse, --after, --before may be used to change
       what types of dependencies are shown.

       Note that this command only lists units currently loaded
       into memory by the service manager. In particular, this
       command is not suitable to get a comprehensive list at all
       reverse dependencies on a specific unit, as it won't list
       the dependencies declared by units currently not loaded.

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