[CentOS] On-Boot Scripts

Victor Subervi victorsubervi at gmail.com
Sat Nov 14 10:50:12 UTC 2009


On Fri, Nov 13, 2009 at 4:40 PM, Robert Heller <heller at deepsoft.com> wrote:

> At Fri, 13 Nov 2009 15:15:16 -0500 CentOS mailing list <centos at centos.org>
> wrote:
>
> >
> >
> >
> > On Fri, Nov 13, 2009 at 2:47 PM, <m.roth at 5-cent.us> wrote:
> >
> > > > On 11/13/2009 07:21 PM, Larry Brigman wrote:
> > > >> either write an init script to be added to /etc/rc.d/init.d or
> > > >> add it to the end of /etc/rc.d/rc.local
> > > >
> > > > It looks, to me, that Victor is at a stage where he does not know
> what
> > > > he is doing with the basic stuff - pointing him at good docs might be
> > > > worth more than spoon-feeding.
> > >
> >
> > I'm a bit rusty. It's been a couple of years since I've run my own
> server,
> > and I don't know this OS. And as we all know, each OS is different. I'm
> > trying to install scripts I wrote years ago to do my MySQL backups.
>
> You probably don't want to do your MySQL backups only at boot time.  I
> think what you really need is to look at crontab's documentation.
> Unless your MySQL backup scripts themselves behave like deamons and do
> their own cron-like behaviour.
>
> There are really only two main flavors of UNIX/Linux boot
> methods/schools.  The BSD school and the SYS V school.  *Most* Linux
> distros (including RedHat's) favor the SYS V school: little scripts in
> /etc/init.d (or /etc/rc.d/init.d, depending on the vintage), with
> symlinks in /etc/rcN.d/.  The BSD school has a set of scripts for each
> run level.  I *think* Slackware uses this method (just because Slackware
> likes to be different).
>
> >
> > As for pointing me to the docs, I looked through them but couldn't make
> > heads or tails of them. Yes, I need to study them, but right now I just
> need
> > to get some basic things working so that I can make a little money and
> put
> > food on the table :)
> >
> > I've loaded my scripts to /etc/rc.d/init.d Now how do I schedule my cron
> > jobs?
>
> Cron job scripts don't go in /etc/rc.d/init.d!.  You can (should!) put
> them someplace else.  It does not really matter where (but should be
> someplace sensable).  You schedule them using crontab -- there are TWO
> manpages you should read: man 1 crontab (using the command to list or
> edit a crontab file) AND man 5 crontab (format of the entries in the
> file).  Read *both* pages carefully.
>

Thank you.
V
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