[CentOS] chkconfig question

[SilverTip257]

On Fri, Dec 13, 2013 at 5:25 PM, Larry Martell <larry.martell at gmail.com>wrote:

>
> >> and I see a S64mysqld link in rc 2, 3, 4, and 5. Why in those 4 dirs?
> >> Will all scripts with - in the chkconfig entry be started at those 4
> >> levels? How is putting - different from putting 2345?
> >
> > Runlevel 0 is poweroff. 1 is single user/maintenance mode. 4, well, no
> one
> > actually uses 4. And 6 is reboot. So, once the network's up, text mode
> and
> > X-mode.
>
> Thanks, but what was I wondering was what is the difference between
> putting - and 2345 on the chkconfig entry.
>

"on" defaults to enabling it in runlevels 2 through 5

Evidence in the Red Hat docs on chkconfig [0] in section 11.2.3.2

[snippet]
 11.2.3.2. Enabling a Service
To enable a service in runlevels 2, 3, 4, and 5, type the following at a
shell prompt as root:

chkconfig *service_name* on

 For example, to enable the httpd service in these four runlevels, type:


~]# chkconfig httpd on

 To enable a service in certain runlevels only, add the --level option
followed by numbers from 0 to 6 representing each runlevel in which you
want the service to run:

chkconfig *service_name* on --level *runlevels*

 For instance, to enable the *abrtd* service in runlevels 3 and 5, type:


~]# chkconfig abrtd on --level 35

[/snippet]

[0]
https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/s2-services-chkconfig.html


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-- 
---~~.~~---
Mike
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