| --- |
| title: What Settings Are Currently Available For Transient Units? |
| category: Interfaces |
| layout: default |
| --- |
| |
| # What Settings Are Currently Available For Transient Units? |
| |
| Our intention is to make all settings that are available as unit file settings |
| also available for transient units, through the D-Bus API. At the moment, |
| device, swap, and target units are not supported at all as transient units, but |
| others are pretty well supported. |
| |
| The lists below contain all settings currently available in unit files. The |
| ones currently available in transient units are prefixed with `✓`. |
| |
| ## Generic Unit Settings |
| |
| Most generic unit settings are available for transient units. |
| |
| ``` |
| ✓ Description= |
| ✓ Documentation= |
| ✓ SourcePath= |
| ✓ Requires= |
| ✓ Requisite= |
| ✓ Wants= |
| ✓ BindsTo= |
| ✓ Conflicts= |
| ✓ Before= |
| ✓ After= |
| ✓ OnFailure= |
| ✓ PropagatesReloadTo= |
| ✓ ReloadPropagatedFrom= |
| ✓ PartOf= |
| ✓ JoinsNamespaceOf= |
| ✓ RequiresMountsFor= |
| ✓ StopWhenUnneeded= |
| ✓ RefuseManualStart= |
| ✓ RefuseManualStop= |
| ✓ AllowIsolate= |
| ✓ DefaultDependencies= |
| ✓ OnFailureJobMode= |
| ✓ IgnoreOnIsolate= |
| ✓ JobTimeoutSec= |
| ✓ JobRunningTimeoutSec= |
| ✓ JobTimeoutAction= |
| ✓ JobTimeoutRebootArgument= |
| ✓ StartLimitIntervalSec= |
| ✓ StartLimitBurst= |
| ✓ StartLimitAction= |
| ✓ FailureAction= |
| ✓ SuccessAction= |
| ✓ FailureActionExitStatus= |
| ✓ SuccessActionExitStatus= |
| ✓ RebootArgument= |
| ✓ ConditionPathExists= |
| ✓ ConditionPathExistsGlob= |
| ✓ ConditionPathIsDirectory= |
| ✓ ConditionPathIsSymbolicLink= |
| ✓ ConditionPathIsMountPoint= |
| ✓ ConditionPathIsReadWrite= |
| ✓ ConditionDirectoryNotEmpty= |
| ✓ ConditionFileNotEmpty= |
| ✓ ConditionFileIsExecutable= |
| ✓ ConditionNeedsUpdate= |
| ✓ ConditionFirstBoot= |
| ✓ ConditionKernelCommandLine= |
| ✓ ConditionKernelVersion= |
| ✓ ConditionArchitecture= |
| ✓ ConditionVirtualization= |
| ✓ ConditionSecurity= |
| ✓ ConditionCapability= |
| ✓ ConditionHost= |
| ✓ ConditionACPower= |
| ✓ ConditionUser= |
| ✓ ConditionGroup= |
| ✓ ConditionControlGroupController= |
| ✓ AssertPathExists= |
| ✓ AssertPathExistsGlob= |
| ✓ AssertPathIsDirectory= |
| ✓ AssertPathIsSymbolicLink= |
| ✓ AssertPathIsMountPoint= |
| ✓ AssertPathIsReadWrite= |
| ✓ AssertDirectoryNotEmpty= |
| ✓ AssertFileNotEmpty= |
| ✓ AssertFileIsExecutable= |
| ✓ AssertNeedsUpdate= |
| ✓ AssertFirstBoot= |
| ✓ AssertKernelCommandLine= |
| ✓ AssertKernelVersion= |
| ✓ AssertArchitecture= |
| ✓ AssertVirtualization= |
| ✓ AssertSecurity= |
| ✓ AssertCapability= |
| ✓ AssertHost= |
| ✓ AssertACPower= |
| ✓ AssertUser= |
| ✓ AssertGroup= |
| ✓ AssertControlGroupController= |
| ✓ CollectMode= |
| ``` |
| |
| ## Execution-Related Settings |
| |
| All execution-related settings are available for transient units. |
| |
| ``` |
| ✓ WorkingDirectory= |
| ✓ RootDirectory= |
| ✓ RootImage= |
| ✓ User= |
| ✓ Group= |
| ✓ SupplementaryGroups= |
| ✓ Nice= |
| ✓ OOMScoreAdjust= |
| ✓ CoredumpFilter= |
| ✓ IOSchedulingClass= |
| ✓ IOSchedulingPriority= |
| ✓ CPUSchedulingPolicy= |
| ✓ CPUSchedulingPriority= |
| ✓ CPUSchedulingResetOnFork= |
| ✓ CPUAffinity= |
| ✓ UMask= |
| ✓ Environment= |
| ✓ EnvironmentFile= |
| ✓ PassEnvironment= |
| ✓ UnsetEnvironment= |
| ✓ DynamicUser= |
| ✓ RemoveIPC= |
| ✓ StandardInput= |
| ✓ StandardOutput= |
| ✓ StandardError= |
| ✓ StandardInputText= |
| ✓ StandardInputData= |
| ✓ TTYPath= |
| ✓ TTYReset= |
| ✓ TTYVHangup= |
| ✓ TTYVTDisallocate= |
| ✓ SyslogIdentifier= |
| ✓ SyslogFacility= |
| ✓ SyslogLevel= |
| ✓ SyslogLevelPrefix= |
| ✓ LogLevelMax= |
| ✓ LogExtraFields= |
| ✓ LogRateLimitIntervalSec= |
| ✓ LogRateLimitBurst= |
| ✓ SecureBits= |
| ✓ CapabilityBoundingSet= |
| ✓ AmbientCapabilities= |
| ✓ TimerSlackNSec= |
| ✓ NoNewPrivileges= |
| ✓ KeyringMode= |
| ✓ ProtectProc= |
| ✓ ProcSubset= |
| ✓ SystemCallFilter= |
| ✓ SystemCallArchitectures= |
| ✓ SystemCallErrorNumber= |
| ✓ SystemCallLog= |
| ✓ MemoryDenyWriteExecute= |
| ✓ RestrictNamespaces= |
| ✓ RestrictRealtime= |
| ✓ RestrictSUIDSGID= |
| ✓ RestrictAddressFamilies= |
| ✓ RootHash= |
| ✓ RootHashSignature= |
| ✓ RootVerity= |
| ✓ LockPersonality= |
| ✓ LimitCPU= |
| ✓ LimitFSIZE= |
| ✓ LimitDATA= |
| ✓ LimitSTACK= |
| ✓ LimitCORE= |
| ✓ LimitRSS= |
| ✓ LimitNOFILE= |
| ✓ LimitAS= |
| ✓ LimitNPROC= |
| ✓ LimitMEMLOCK= |
| ✓ LimitLOCKS= |
| ✓ LimitSIGPENDING= |
| ✓ LimitMSGQUEUE= |
| ✓ LimitNICE= |
| ✓ LimitRTPRIO= |
| ✓ LimitRTTIME= |
| ✓ ReadWritePaths= |
| ✓ ReadOnlyPaths= |
| ✓ InaccessiblePaths= |
| ✓ BindPaths= |
| ✓ BindReadOnlyPaths= |
| ✓ TemporaryFileSystem= |
| ✓ PrivateTmp= |
| ✓ PrivateDevices= |
| ✓ PrivateMounts= |
| ✓ ProtectKernelTunables= |
| ✓ ProtectKernelModules= |
| ✓ ProtectKernelLogs= |
| ✓ ProtectControlGroups= |
| ✓ PrivateNetwork= |
| ✓ PrivateUsers= |
| ✓ ProtectSystem= |
| ✓ ProtectHome= |
| ✓ ProtectClock= |
| ✓ MountFlags= |
| ✓ MountAPIVFS= |
| ✓ Personality= |
| ✓ RuntimeDirectoryPreserve= |
| ✓ RuntimeDirectoryMode= |
| ✓ RuntimeDirectory= |
| ✓ StateDirectoryMode= |
| ✓ StateDirectory= |
| ✓ CacheDirectoryMode= |
| ✓ CacheDirectory= |
| ✓ LogsDirectoryMode= |
| ✓ LogsDirectory= |
| ✓ ConfigurationDirectoryMode= |
| ✓ ConfigurationDirectory= |
| ✓ PAMName= |
| ✓ IgnoreSIGPIPE= |
| ✓ UtmpIdentifier= |
| ✓ UtmpMode= |
| ✓ SELinuxContext= |
| ✓ SmackProcessLabel= |
| ✓ AppArmorProfile= |
| ✓ Slice= |
| ``` |
| |
| ## Resource Control Settings |
| |
| All cgroup/resource control settings are available for transient units |
| |
| ``` |
| ✓ CPUAccounting= |
| ✓ CPUWeight= |
| ✓ StartupCPUWeight= |
| ✓ CPUShares= |
| ✓ StartupCPUShares= |
| ✓ CPUQuota= |
| ✓ CPUQuotaPeriodSec= |
| ✓ AllowedCPUs= |
| ✓ AllowedMemoryNodes= |
| ✓ MemoryAccounting= |
| ✓ DefaultMemoryMin= |
| ✓ MemoryMin= |
| ✓ DefaultMemoryLow= |
| ✓ MemoryLow= |
| ✓ MemoryHigh= |
| ✓ MemoryMax= |
| ✓ MemorySwapMax= |
| ✓ MemoryLimit= |
| ✓ DeviceAllow= |
| ✓ DevicePolicy= |
| ✓ IOAccounting= |
| ✓ IOWeight= |
| ✓ StartupIOWeight= |
| ✓ IODeviceWeight= |
| ✓ IOReadBandwidthMax= |
| ✓ IOWriteBandwidthMax= |
| ✓ IOReadIOPSMax= |
| ✓ IOWriteIOPSMax= |
| ✓ BlockIOAccounting= |
| ✓ BlockIOWeight= |
| ✓ StartupBlockIOWeight= |
| ✓ BlockIODeviceWeight= |
| ✓ BlockIOReadBandwidth= |
| ✓ BlockIOWriteBandwidth= |
| ✓ TasksAccounting= |
| ✓ TasksMax= |
| ✓ Delegate= |
| ✓ DisableControllers= |
| ✓ IPAccounting= |
| ✓ IPAddressAllow= |
| ✓ IPAddressDeny= |
| ✓ ManagedOOMSwap= |
| ✓ ManagedOOMMemoryPressure= |
| ✓ ManagedOOMMemoryPressureLimitPercent= |
| ``` |
| |
| ## Process Killing Settings |
| |
| All process killing settings are available for transient units: |
| |
| ``` |
| ✓ SendSIGKILL= |
| ✓ SendSIGHUP= |
| ✓ KillMode= |
| ✓ KillSignal= |
| ✓ RestartKillSignal= |
| ✓ FinalKillSignal= |
| ✓ WatchdogSignal= |
| ``` |
| |
| ## Service Unit Settings |
| |
| Most service unit settings are available for transient units. |
| |
| ``` |
| ✓ BusName= |
| ✓ ExecCondition= |
| ✓ ExecReload= |
| ✓ ExecStart= |
| ✓ ExecStartPost= |
| ✓ ExecStartPre= |
| ✓ ExecStop= |
| ✓ ExecStopPost= |
| ✓ FileDescriptorStoreMax= |
| ✓ GuessMainPID= |
| ✓ NonBlocking= |
| ✓ NotifyAccess= |
| ✓ OOMPolicy= |
| ✓ PIDFile= |
| ✓ RemainAfterExit= |
| ✓ Restart= |
| ✓ RestartForceExitStatus= |
| ✓ RestartPreventExitStatus= |
| ✓ RestartSec= |
| ✓ RootDirectoryStartOnly= |
| ✓ RuntimeMaxSec= |
| Sockets= |
| ✓ SuccessExitStatus= |
| ✓ TimeoutAbortSec= |
| ✓ TimeoutSec= |
| ✓ TimeoutStartFailureMode= |
| ✓ TimeoutStartSec= |
| ✓ TimeoutStopFailureMode= |
| ✓ TimeoutStopSec= |
| ✓ Type= |
| ✓ USBFunctionDescriptors= |
| ✓ USBFunctionStrings= |
| ✓ WatchdogSec= |
| ``` |
| |
| ## Mount Unit Settings |
| |
| All mount unit settings are available to transient units: |
| |
| ``` |
| ✓ What= |
| ✓ Where= |
| ✓ Options= |
| ✓ Type= |
| ✓ TimeoutSec= |
| ✓ DirectoryMode= |
| ✓ SloppyOptions= |
| ✓ LazyUnmount= |
| ✓ ForceUnmount= |
| ✓ ReadWriteOnly= |
| ``` |
| |
| ## Automount Unit Settings |
| |
| All automount unit setting is available to transient units: |
| |
| ``` |
| ✓ Where= |
| ✓ DirectoryMode= |
| ✓ TimeoutIdleSec= |
| ``` |
| |
| ## Timer Unit Settings |
| |
| Most timer unit settings are available to transient units. |
| |
| ``` |
| ✓ OnActiveSec= |
| ✓ OnBootSec= |
| ✓ OnCalendar= |
| ✓ OnClockChange= |
| ✓ OnStartupSec= |
| ✓ OnTimezoneChange= |
| ✓ OnUnitActiveSec= |
| ✓ OnUnitInactiveSec= |
| ✓ Persistent= |
| ✓ WakeSystem= |
| ✓ RemainAfterElapse= |
| ✓ AccuracySec= |
| ✓ RandomizedDelaySec= |
| Unit= |
| ``` |
| |
| ## Slice Unit Settings |
| |
| Slice units are fully supported as transient units, but they have no settings |
| of their own beyond the generic unit and resource control settings. |
| |
| ## Scope Unit Settings |
| |
| Scope units are fully supported as transient units (in fact they only exist as |
| such). |
| |
| ``` |
| ✓ RuntimeMaxSec= |
| ✓ TimeoutStopSec= |
| ``` |
| |
| ## Socket Unit Settings |
| |
| Most socket unit settings are available to transient units. |
| |
| ``` |
| ✓ ListenStream= |
| ✓ ListenDatagram= |
| ✓ ListenSequentialPacket= |
| ✓ ListenFIFO= |
| ✓ ListenNetlink= |
| ✓ ListenSpecial= |
| ✓ ListenMessageQueue= |
| ✓ ListenUSBFunction= |
| ✓ SocketProtocol= |
| ✓ BindIPv6Only= |
| ✓ Backlog= |
| ✓ BindToDevice= |
| ✓ ExecStartPre= |
| ✓ ExecStartPost= |
| ✓ ExecStopPre= |
| ✓ ExecStopPost= |
| ✓ TimeoutSec= |
| ✓ SocketUser= |
| ✓ SocketGroup= |
| ✓ SocketMode= |
| ✓ DirectoryMode= |
| ✓ Accept= |
| ✓ FlushPending= |
| ✓ Writable= |
| ✓ MaxConnections= |
| ✓ MaxConnectionsPerSource= |
| ✓ KeepAlive= |
| ✓ KeepAliveTimeSec= |
| ✓ KeepAliveIntervalSec= |
| ✓ KeepAliveProbes= |
| ✓ DeferAcceptSec= |
| ✓ NoDelay= |
| ✓ Priority= |
| ✓ ReceiveBuffer= |
| ✓ SendBuffer= |
| ✓ IPTOS= |
| ✓ IPTTL= |
| ✓ Mark= |
| ✓ PipeSize= |
| ✓ FreeBind= |
| ✓ Transparent= |
| ✓ Broadcast= |
| ✓ PassCredentials= |
| ✓ PassSecurity= |
| ✓ PassPacketInfo= |
| ✓ TCPCongestion= |
| ✓ ReusePort= |
| ✓ MessageQueueMaxMessages= |
| ✓ MessageQueueMessageSize= |
| ✓ RemoveOnStop= |
| ✓ Symlinks= |
| ✓ FileDescriptorName= |
| Service= |
| ✓ TriggerLimitIntervalSec= |
| ✓ TriggerLimitBurst= |
| ✓ SmackLabel= |
| ✓ SmackLabelIPIn= |
| ✓ SmackLabelIPOut= |
| ✓ SELinuxContextFromNet= |
| ``` |
| |
| ## Swap Unit Settings |
| |
| Swap units are currently not available at all as transient units: |
| |
| ``` |
| What= |
| Priority= |
| Options= |
| TimeoutSec= |
| ``` |
| |
| ## Path Unit Settings |
| |
| Most path unit settings are available to transient units. |
| |
| ``` |
| ✓ PathExists= |
| ✓ PathExistsGlob= |
| ✓ PathChanged= |
| ✓ PathModified= |
| ✓ DirectoryNotEmpty= |
| Unit= |
| ✓ MakeDirectory= |
| ✓ DirectoryMode= |
| ``` |
| |
| ## Install Section |
| |
| The `[Install]` section is currently not available at all for transient units, and it probably doesn't even make sense. |
| |
| ``` |
| Alias= |
| WantedBy= |
| RequiredBy= |
| Also= |
| DefaultInstance= |
| ``` |