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Diffstat (limited to 'doc/s6-linux-init-maker.html')
| -rw-r--r-- | doc/s6-linux-init-maker.html | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/doc/s6-linux-init-maker.html b/doc/s6-linux-init-maker.html index 6c52d32..02fd15d 100644 --- a/doc/s6-linux-init-maker.html +++ b/doc/s6-linux-init-maker.html @@ -59,6 +59,7 @@ machine</em>. If it is not the case, the system will fail to boot. [ -e <em>initial_envvar</em> ] ... \ [ -q <em>finalsleeptime</em> ] \ [ -D <em>initdefault</em> ] \ + [ -n | -N ] [ -U <em>utmp_user</em> ] \ <em>dir</em> </pre> @@ -169,7 +170,7 @@ is defined. </li> <p /> <li> <tt>-1</tt> : make it so that all the messages that are sent to the catch-all logger (i.e. all the error messages that are not caught by a dedicated logger, as well as the output from <em>rc.init</em>, -<em>runlevel</em> and <em>rc.shutdown</em>, +<em>runlevel</em> and <em>rc.shutdown</em>) are also copied to <tt>/dev/console</tt>. (Timestamps are not copied to <tt>/dev/console</tt>.) This is generally useful to debug a system at a glance, but if a failing program keeps sending @@ -264,6 +265,36 @@ sysvinit behaviour) or <tt>default</tt> (OpenRC behaviour). Default is command line, it will be interpreted as the runlevel to boot the system on, and will override the default given here. </li> <p /> + <li> <tt>-n</tt> : at boot time, assume that a tmpfs is already +present on <tt>/run</tt> (or the argument that was given to the +<tt>--tmpfsdir</tt> configure option at build time) and that its +contents are essential. Instead of unmounting <tt>/run</tt> then +mounting a tmpfs on it, <a href="s6-linux-init.html">s6-linux-init</a> +will simply remount <tt>/run</tt>. This option is useful when +s6-linux-init is used on a distribution that imposes its initramfs +and said initramfs writes data to <tt>/run</tt> that is then used +by the distribution's initialization scripts. (An initramfs should +normally be transparent and leave no trace in the filesystem; +unfortunately, a lot of distributions do not care.) By default, +<tt>/run</tt> will be unmounted at boot time (just in case), and +then a tmpfs will be mounted on it. <strong>Do not</strong> use +this option if you are not sure: failure to remount <tt>/run</tt> +will cause init to die and the kernel to panic. This option is +incompatible with the <tt>-N</tt> option. </li> <p /> + + <li> <tt>-N</tt> : at boot time, do not perform +mounting/unmounting/remounting on <tt>/run</tt> (or the <em>tmpfsdir</em> +declared at build time) <strong>at all</strong>. By default, +a tmpfs is mounted on <tt>/run</tt> at boot time. This option is +useful when s6-linux-init is used to boot on an initramfs that +will remain the de facto rootfs of the system (which is the case +for instance in certain live CDs or certain embedded devices), in +which case the rootfs is already read-write and in RAM and mounting +an additional tmpfs is unnecessary. <strong>Do not</strong> use this +option if your rootfs is read-only: failure to write to <tt>/run</tt> +will cause init to die and the kernel to panic. This option is +incompatible with the <tt>-n</tt> option. </li> <p /> + <li> <tt>-U</tt> <em>utmp_user</em> : this option is only available when the s6-linux-init package has been built with the <tt>--enable-utmps</tt> configure option, that enables support for the |