![]() Simple proceeds with further jobs right after fork() returns, whileĮxec will not proceed before both fork() andĮxecve() in the service process succeeded.) Note that this means systemctl Manager will delay starting of follow-up units until that point. Manager will consider the unit started immediately after the main service binary has been executed. The exec type is similar to simple, but the service ![]() User= doesn't exist, or the service binary is missing). Success even if the service's binary cannot be invoked successfully (for example because the selected Means systemctl start command lines for simple services will report Right after creating the main service process, and before executing the service's binary. Systemd, via socket activation), as the service manager will immediately proceed starting follow-up units, In this mode, if the process offers functionality to other processes on the system, itsĬommunication channels should be installed before the service is started up (e.g. It isĮxpected that the process configured with ExecStart= is the main process of the Will consider the unit started immediately after the main service process has been forked off. Specified but neither Type= nor BusName= are), the service manager If set to simple (the default if ExecStart= is Template unit, and either define your own per-template slice unit file that also setsĭefaultDependencies=no, or set Slice=system.slice (or another suitable slice) If that is not desired, set DefaultDependencies=no in the This slice is normally stopped at shutdown, Template unit, containing all instances of the specific template. ![]() service units with an " in their name) are assigned by Only services involved with earlyīoot or late system shutdown should disable this option. These ensure that normal service units pull inīasic system initialization, and are terminated cleanly prior to system shutdown. Service units will have dependencies of type Requires= andĪfter= on sysinit.target, a dependency of type After= onīasic.target as well as dependencies of type Conflicts= andīefore= on shutdown.target. Scripts (the service name is the same as the name of the script, with a ". If SysV init compat is enabled, systemd automatically creates service units that wrap SysV init Which configure resource control settings for the processes of the Which define the way the processes of the service are terminated, Which define the execution environment the commands are executed The service specific configuration options are The commonĬonfiguration items are configured in the generic This man page lists the configuration options specific toįor the common options of all unit configuration files. service" encodes information about a process A unit configuration file whose name ends in
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