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Linux
Red Hat
running my own script during startup
Post 302536811 by getrue on Wednesday 6th of July 2011 09:43:50 AM
07-06-2011
Quote:
I have written a script and I want it to be run during startup before the user log in.
Code:
#runlevel N 5 # ls -l /etc/rc5.d/ total 236 lrwxrwxrwx 1 root root 18 Nov 11 2009 K89netplugd -> ../init.d/netplugd lrwxrwxrwx 1 root root 19 Nov 11 2009 K90bluetooth -> ../init.d/bluetooth lrwxrwxrwx 1 root root 18 Nov 11 2009 K94diskdump -> ../init.d/diskdump lrwxrwxrwx 1 root root 23 Nov 11 2009 K99microcode_ctl -> ../init.d/microcode_ctl lrwxrwxrwx 1 root root 15 Nov 11 2009 S25netfs -> ../init.d/netfs lrwxrwxrwx 1 root root 14 Nov 11 2009 S26apmd -> ../init.d/apmd lrwxrwxrwx 1 root root 16 Nov 11 2009 S28autofs -> ../init.d/autofs lrwxrwxrwx 1 root root 16 Nov 11 2009 S40smartd -> ../init.d/smartd lrwxrwxrwx 1 root root 15 Nov 11 2009 S44acpid -> ../init.d/acpid lrwxrwxrwx 1 root root 11 Nov 11 2009 S99local -> ../rc.local #
1- #/etc/rc.local // add line
2- #/etc/rc5.d/ // #touch 777 Sxxangel and edit like above
3- #crontab -e // add this line "@reboot /path/to/shell.script"
That's all from me.
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LEARN ABOUT PLAN9
switch_root
SWITCH_ROOT(8) System Administration SWITCH_ROOT(8) NAME
switch_root - switch to another filesystem as the root of the mount tree SYNOPSIS
switch_root [-hV] switch_root newroot init [arg...] DESCRIPTION
switch_root moves already mounted /proc, /dev, /sys and /run to newroot and makes newroot the new root filesystem and starts init process. WARNING: switch_root removes recursively all files and directories on the current root filesystem. OPTIONS
-h, --help Display help text and exit. -V, --version Display version information and exit. RETURN VALUE
switch_root returns 0 on success and 1 on failure. NOTES
switch_root will fail to function if newroot is not the root of a mount. If you want to switch root into a directory that does not meet this requirement then you can first use a bind-mounting trick to turn any directory into a mount point: mount --bind $DIR $DIR SEE ALSO
chroot(2), init(8), mkinitrd(8), mount(8) AUTHORS
Peter Jones <pjones@redhat.com> Jeremy Katz <katzj@redhat.com> Karel Zak <kzak@redhat.com> AVAILABILITY
The switch_root command is part of the util-linux package and is available from https://www.kernel.org/pub/linux/utils/util-linux/. util-linux June 2009 SWITCH_ROOT(8)