On Fri, 04 Oct 2002 18:21:14 -0400 (EDT), "Michael J. Accetta"
<mja@laurelnetworks.com> said:
>
> > Then in /etc/rc.oneshot, do something like this:
> >
> > #!/bin/sh
> > tune2fs -O ^has_journal /dev/hdXXXX
> > tune2fs -j -J size=XXX /dev/hdXXXX
> > rm -f /etc/rc.oneshot
> > reboot
> >
> > After you make these sorts of changes to the root filesystem, even
> > though it's mounted read-only, you really do want to reboot
> > immediately. Hence the need for doing it as a rc script that only is
> > run once.
>
> Presumably /etc/rc.oneshot is on the (read-only) root file system so
> unfortunately it can't be as straightforward as this.
>
Here's what I changed in rc.sysinit:
----
if [ -x /etc/rc.oneshot -a ! -f /etc/.doneoneshot ] ; then
/etc/rc.oneshot
fi
# Remount the root filesystem read-write.
state=`awk '/(^\/dev\/root| \/ )/ { print $4 }' /proc/mounts`
[ "$state" != "rw" ] && \
action $"Remounting root filesystem in read-write mode: " \
mount -n -o remount,rw /
if [ -x /etc/rc.oneshot -a ! -f /etc/.doneoneshot ] ; then
/bin/mv -f /etc/rc.oneshot /etc/rc.oneshot.done
/bin/touch /etc/.doneoneshot
/sbin/reboot
fi
----
I checked for both files because of paranoia--I don't have access to the
console, so I have to be really sure the machine will come back up!
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