X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd.xml;h=aef65e30c1105f7af857f802426188d5dcafc1ca;hp=6aa4f7052706b1f0fd75a0aa2358997312b9cc7b;hb=3e2147858f21943d5f4a781c60f33ac22c6096ed;hpb=248e6030e007b6ee7b31ada6e42053cb1ebfc80d diff --git a/man/systemd.xml b/man/systemd.xml index 6aa4f7052..aef65e30c 100644 --- a/man/systemd.xml +++ b/man/systemd.xml @@ -45,7 +45,7 @@ systemd init - systemd System and Session Manager + systemd System and Service Manager @@ -60,7 +60,7 @@ Description - systemd is a system and session manager for + systemd is a system and service manager for Linux operating systems. When run as first process on boot (as PID 1), it acts as init system that brings up and maintains userspace services. @@ -77,7 +77,7 @@ When run as system instance, systemd interprets the configuration file system.conf, otherwise - session.conf. See + user.conf. See systemd.conf5 for more information. @@ -136,10 +136,10 @@ - + Tell systemd to run a - system instance (resp. session + system instance (resp. user instance), even if the process ID is not 1 (resp. is 1), i.e. systemd is not (resp. is) run as init process. @@ -159,27 +159,36 @@ - Dump core on crash. This switch has no effect when run as session instance. + Dump core on + crash. This switch has no effect when + run as user + instance. - Run shell on crash. This switch has no effect when run as session instance. + Run shell on + crash. This switch has no effect when + run as user + instance. - Ask for confirmation when spawning processes. This switch has no effect when run as session instance. + Ask for confirmation + when spawning processes. This switch + has no effect when run as user + instance. Show terse service status information while booting. This - switch has no effect when run as - session instance. Takes a boolean - argument which may be omitted - which is interpreted as + switch has no effect when run as user + instance. Takes a boolean argument + which may be omitted which is + interpreted as . @@ -188,7 +197,7 @@ Controls whether output of SysV init scripts will be directed to the console. This switch - has no effect when run as session + has no effect when run as user instance. Takes a boolean argument which may be omitted which is interpreted as @@ -200,8 +209,10 @@ Set log target. Argument must be one of , + , , , + , , . @@ -241,6 +252,36 @@ it defaults to . + + + + + Sets the default + output resp. error output for all + services and sockets, i.e. controls + the default for + + resp. + (see + systemd.exec5 + for details). Takes one of + , + , + , + , + , + , + , + , + . If the + argument is omitted + + defaults to + and + + to + . + @@ -323,9 +364,9 @@ systemd.timer5. Swap units are very similar to - mount units and encapsulated memory swap + mount units and encapsulate memory swap partitions or files of the operating - systemd. They are described in systemd.swap5. + system. They are described in systemd.swap5. Path units may be used to activate other services when file system @@ -336,7 +377,7 @@ Units are named as their configuration files. Some units have special semantics. A detailed - list you may find in + list is available in systemd.special7. systemd knows various kinds of dependencies, @@ -361,7 +402,7 @@ this. Application programs and units (via - dependencies) may requests state changes of units. In + dependencies) may request state changes of units. In systemd, these requests are encapsulated as 'jobs' and maintained in a job queue. Jobs may succeed or can fail, their execution is ordered based on the ordering @@ -468,9 +509,9 @@ pkg-config systemd --variable=systemdsystemunitdir. Other directories checked are - /usr/local/share/systemd/system + /usr/local/lib/systemd/system and - /usr/share/systemd/system. User + /usr/lib/systemd/system. User configuration always takes precedence. pkg-config systemd @@ -489,10 +530,10 @@ - Session unit directories + User unit directories Similar rules apply - for the session unit + for the user unit directories. However, here the XDG Base Directory specification @@ -500,11 +541,11 @@ units. Applications should place their unit files in the directory returned by pkg-config systemd - --variable=systemdsessionunitdir. Global + --variable=systemduserunitdir. Global configuration is done in the directory reported by pkg-config systemd - --variable=systemdsessionconfdir. The + --variable=systemduserconfdir. The enable and disable commands of the @@ -565,12 +606,12 @@ to systemctl daemon-reexec. - systemd session managers will + systemd user managers will start the exit.target unit when this signal is received. This is mostly equivalent to - systemctl --session start + systemctl --user start exit.target. @@ -585,7 +626,7 @@ systemctl start ctl-alt-del.target. - systemd session managers + systemd user managers treat this signal the same way as SIGTERM. @@ -602,7 +643,7 @@ kbrequest.target. This signal is ignored by - systemd session + systemd user managers. @@ -711,6 +752,106 @@ systemctl start reboot.target. + + + SIGRTMIN+6 + + Reboots the machine via kexec, + starts the + kexec.target + unit. This is mostly equivalent to + systemctl start + kexec.target. + + + + SIGRTMIN+13 + + Immediately halts the machine. + + + + SIGRTMIN+14 + + Immediately powers off the machine. + + + + SIGRTMIN+15 + + Immediately reboots the machine. + + + + SIGRTMIN+16 + + Immediately reboots the machine with kexec. + + + + SIGRTMIN+20 + + Enables display of + status messages on the console, as + controlled via + systemd.show_status=1 + on the kernel command + line. + + + + SIGRTMIN+21 + + Disables display of + status messages on the console, as + controlled via + systemd.show_status=0 + on the kernel command + line. + + + + SIGRTMIN+22 + SIGRTMIN+23 + + Sets the log level to + debug + (resp. info on + SIGRTMIN+23), as + controlled via + systemd.log_level=debug + (resp. systemd.log_level=info + on SIGRTMIN+23) on + the kernel command + line. + + + + SIGRTMIN+26 + SIGRTMIN+27 + SIGRTMIN+28 + SIGRTMIN+29 + + Sets the log level to + journal-or-kmsg + (resp. console on + SIGRTMIN+27; + resp. kmsg on + SIGRTMIN+28; + resp. syslog-or-kmsg + on SIGRTMIN+29), as + controlled via + systemd.log_target=journal-or-kmsg + (resp. systemd.log_target=console + on SIGRTMIN+27; + resp. systemd.log_target=kmsg + on SIGRTMIN+28; + resp + systemd.log_target=syslog-or-kmsg + on SIGRTMIN+29) on + the kernel command + line. + @@ -757,7 +898,7 @@ $XDG_DATA_HOME $XDG_DATA_DIRS - The systemd session + The systemd user manager uses these variables in accordance to the XDG @@ -816,7 +957,16 @@ Kernel Command Line - When run as system instance systemd parses a few kernel command line arguments: + When run as system instance systemd parses a + number of kernel command line + argumentsIf run inside a Linux + container these arguments may be passed as command + line arguments to systemd itself, next to any of the + command line options listed in the Options section + above. If run outside of Linux containers, these + arguments are parsed from + /proc/cmdline + instead.: @@ -851,8 +1001,8 @@ Takes a boolean argument. If systemd spawns a shell when it - crashes. Otherwise no core dump is - created. Defaults to + crashes. Otherwise no shell is + spawned. Defaults to , for security reasons, as the shell is not protected by any password @@ -915,6 +1065,34 @@ environment variables described above. + + systemd.default_standard_output= + systemd.default_standard_error= + Controls default + standard output/error output for + services, with the same effect as the + + resp. + command line arguments described + above. + + + + systemd.setenv= + + Takes a string + argument in the form + VARIABLE=VALUE. May be used to set + environment variables for the init + process and all its children at boot + time. May be used more than once to + set multiple variables. If the equal + sign and variable are missing unsets + an environment variable which might be + passed in from the initial ram + disk. + + @@ -923,53 +1101,37 @@ - @/org/freedesktop/systemd1/notify + /run/systemd/notify Daemon status - notification socket. This is an AF_UNIX - datagram socket in the Linux abstract - namespace, and is used to implement - the daemon notification logic as - implemented by + notification socket. This is an + AF_UNIX datagram socket and is used to + implement the daemon notification + logic as implemented by sd_notify3. - @/org/freedesktop/systemd1/logger - - Used internally by the - systemd-logger.service - unit to connect STDOUT and/or STDERR - of spawned processes to - syslog3 - or the kernel log buffer. This is an - AF_UNIX stream socket in the Linux - abstract namespace. - - - - @/org/freedesktop/systemd1/shutdown + /run/systemd/shutdownd Used internally by the shutdown8 tool to implement delayed shutdowns. This is an AF_UNIX datagram - socket in the Linux abstract - namespace. + socket. - @/org/freedesktop/systemd1/private + /run/systemd/private Used internally as communication channel between systemctl1 and the systemd process. This is an - AF_UNIX stream socket in the Linux - abstract namespace. This interface is - private to systemd and should not be - used in external + AF_UNIX stream socket. This interface + is private to systemd and should not + be used in external projects.