diff options
Diffstat (limited to 'doc/overview.html')
| -rw-r--r-- | doc/overview.html | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/doc/overview.html b/doc/overview.html index d779dd2..adaa414 100644 --- a/doc/overview.html +++ b/doc/overview.html @@ -80,7 +80,8 @@ procedure when the admin runs a <tt>halt</tt>, <tt>poweroff</tt>, <tt>reboot</tt> or <tt>shutdown</tt> command. </li> <li> <em>runlevel</em>: the script executing a machine state change at boot time (normally invoked by <em>rc.init</em>, towards the default -runlevel) or when the administrator runs a <tt>telinit</tt> command. </li> +runlevel) or when the administrator runs a <tt>telinit</tt> command. +This script is unused in a container. </li> <li> <em>rc.shutdown.final</em>: a script that will be run at the very end of the shutdown procedure, after all processes have been killed and all filesystems have been unmounted, <em>just before</em> the system @@ -110,21 +111,25 @@ via the <tt>-c</tt> option. </li> <li> Some early services are defined in <tt>/run/service</tt>, and running. They are not seen by the service manager and should remain up all the time, until the machine shuts down: they are considered a part of the init system, -even if they're not process 1. Each of these services uses very few resources. -The services are: +even if they're not process 1. +Apart from <tt>s6-linux-init-shutdownd</tt>, which is necessary for the +machine (or container) to respond to shutdown requests, they are only present +depending on the configuration, and different +<a href="s6-linux-init-maker.html">s6-linux-init-maker</a> invocations will +yield different sets of services. The services are picked from this list: <ul> - <li> <tt>s6-svscan-log</tt>: the catch-all logger </li> <li> <tt>s6-linux-init-shutdownd</tt>: the shutdown manager, running the shutdown sequence in a reproducible environment when a shutdown command is executed, then performing the last shutdown steps. </li> + <li> <tt>s6-svscan-log</tt>: the catch-all logger </li> <li> <tt>s6-linux-init-runleveld</tt>: the runlevel manager, running the <em>runlevel</em> script in a reproducible environment when a <tt>telinit</tt> command is executed. </li> - <li> (optionally) <tt>s6-linux-init-logouthookd</tt>: a local service performing + <li> <tt>s6-linux-init-logouthookd</tt>: a local service performing utmp record cleanup duty for patched <tt>login</tt> programs. </li> - <li> (optionally) <tt>s6-linux-init-early-getty</tt>: the early getty, + <li> <tt>s6-linux-init-early-getty</tt>: the early getty, allowing the user to login even if <em>rc.init</em> fails early. </li> - <li> (optionally) <tt>utmpd</tt> and <tt>wtmpd</tt>: the services performing + <li> <tt>utmpd</tt> and <tt>wtmpd</tt>: the services performing utmp and wtmp access when <a href="//skarnet.org/software/utmps/">utmps</a> is used. </li> </ul> </li> |