X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd.xml;h=6aa4f7052706b1f0fd75a0aa2358997312b9cc7b;hp=6edce4996a99ba76cb5f6bc03c70436954518d41;hb=5edf93ec94ff80edb795e561f2b5c1b7ab68a7d8;hpb=5dc50792ac1bc627bf9b50d259b4e7546b3f8d86 diff --git a/man/systemd.xml b/man/systemd.xml index 6edce4996..6aa4f7052 100644 --- a/man/systemd.xml +++ b/man/systemd.xml @@ -141,14 +141,20 @@ Tell systemd to run a system instance (resp. session instance), even if the process ID is - not 1 (resp. is 1), i.e. systemd is not - (resp. is) run as init process. + not 1 (resp. is 1), i.e. systemd is + not (resp. is) run as init process. Normally it should not be necessary to pass these options, as systemd automatically detects the mode it is started in. These options are hence of - little use except for - debugging. + little use except for debugging. Note + that it is not supported booting and + maintaining a full system with systemd + running in + mode, but PID not 1. In practice, + passing explicitly is + only useful in conjunction with + . @@ -256,7 +262,7 @@ as well as in the process of being activated or deactivated, i.e. between the two states (these states are called 'activating', 'deactivating'). A special - 'maintenance' state is available as well which is very + 'failed' state is available as well which is very similar to 'inactive' and is entered when the service failed in some way (process returned error code on exit, or crashed, or an operation timed out). If this @@ -388,7 +394,7 @@ track of processes. Control group information is maintained in the kernel, and is accessible via the file system hierarchy (beneath - /cgroup/systemd/), or in tools + /sys/fs/cgroup/systemd/), or in tools such as ps1 (ps xawf -eo pid,user,cgroup,args @@ -440,6 +446,11 @@ ideas behind systemd please refer to the Original Design Document. + + Note that some but not all interfaces provided + by systemd are covered by the Interface + Stability Promise.