Changes

Configuring RHEL systemd Units

897 bytes added, 14:42, 10 June 2019
Understanding systemd Units and Unit Types
The type of a unit file is represented by the filename extension as outlined in Table 11-1 below:
Note that the target unit type differs from other types in that it is essentially comprised of a group of systemd units such as services or other targets. {| class="wikitable"|-! Header text !! Header text !! Header text|-| Example || Example || Example|-| Example || Example || Example|} {| class="wikitable"|-! Unit Type !! Filename Extension !! Type Description|-|Service || .service || System service.|-|Target || .target || Group of systemd units.|-|Automount || .automount || File system auto-mount point.|-|Device || .device || Device file recognized by the kernel.|-|Mount || .mount || File system mount point.|-|Path || .path || File or directory in a file system.|-|Scope || .scope || Externally created process.|-|Slice || .slice || Group of hierarchically organized units that manage system processes.|-|Snapshot || .snapshot || Saved state of the systemd manager.|-|Socket || .socket || Inter-process communication socket.|-|Swap || .swap || Swap device or a swap file.|-|Timer || .timer || Systemd timer.|} 
== Dynamically Changing the Current Target ==