Add/Remove/Start/Stop services on CentOS
keith smith
klsmith2020 at yahoo.com
Fri Jun 25 13:19:52 MST 2010
Your observation is accurate. I have not read about it yet.
------------------------
Keith Smith
--- On Fri, 6/25/10, Eric Shubert <ejs at shubes.net> wrote:
From: Eric Shubert <ejs at shubes.net>
Subject: Re: Add/Remove/Start/Stop services on CentOS
To: plug-discuss at lists.plug.phoenix.az.us
Date: Friday, June 25, 2010, 12:13 PM
It appears that you don't understand what xinetd is/does.
http://aplawrence.com/Basics/xinetd.html
Personally, I run vsftpd, which does not use xinetd at all. In fact, I've removed xinetd from most of my servers.
-- -Eric 'shubes'
keith smith wrote:
>
> I think I understand run levels. Why then was FTP started under /etc/xinetd.d/ and to keep it from running I had the remove the startup script from /etc/xinetd.d/ ?
>
> Wouldn't that make any service launched by /etc/xinetd.d/ as standalone?
>
> So if I wanted I could start FTP by associating it with a run level. What is the difference. In other words why would it make a difference?
>
>
>
> ------------------------
> Keith Smith
>
> --- On *Thu, 6/24/10, Bryan O'Neal /<Bryan.ONeal at TheONealAndAssociates.com>/* wrote:
>
>
> From: Bryan O'Neal <Bryan.ONeal at TheONealAndAssociates.com>
> Subject: Re: Add/Remove/Start/Stop services on CentOS
> To: "Main PLUG discussion list" <plug-discuss at lists.plug.phoenix.az.us>
> Date: Thursday, June 24, 2010, 8:01 PM
>
> Run levels indicate how the service should auto start. If you want
> it to always listen no mater how you boot the machine (into which
> run level) the you add it to all run levels. If you want to think of
> it like this lower run levels are like safe mode in windows.
>
> On Thu, Jun 24, 2010 at 7:59 PM, keith smith <klsmith2020 at yahoo.com
> </mc/compose?to=klsmith2020 at yahoo.com>> wrote:
>
>
> I thought there was two way to launch a service or process. 1)
> init.d associated with a run level or 2) s service that is
> always listening.
>
> If I am wrong please point that out to me.
>
> Thanks!
>
>
> ------------------------
> Keith Smith
>
> --- On *Thu, 6/24/10, Bryan O'Neal
> /<Bryan.ONeal at TheONealAndAssociates.com>/* wrote:
>
>
> From: Bryan O'Neal <Bryan.ONeal at TheONealAndAssociates.com>
> Subject: Re: Add/Remove/Start/Stop services on CentOS
> To: "Main PLUG discussion list"
> <plug-discuss at lists.plug.phoenix.az.us
> </mc/compose?to=plug-discuss at lists.plug.phoenix.az.us>>
> Date: Thursday, June 24, 2010, 7:27 PM
>
>
> I am afraid I don't understand?
> Do you mean you have a service script but you want to be
> able to use the service command?
>
> On Thu, Jun 24, 2010 at 7:16 PM, keith smith
> <klsmith2020 at yahoo.com
> <http://mc/compose?to=klsmith2020@yahoo.com>> wrote:
>
>
> If I use chkconfig to register a service then that
> service is associated with a run level. What if I do
> not want the service to be associated with a run level,
> but to be stand alone?
>
> ------------------------
> Keith Smith
>
> --- On *Thu, 6/24/10, Bryan O'Neal
> /<Bryan.ONeal at TheONealAndAssociates.com>/* wrote:
>
>
> From: Bryan O'Neal
> <Bryan.ONeal at TheONealAndAssociates.com>
> Subject: Re: Add/Remove/Start/Stop services on CentOS
> To: "Main PLUG discussion list"
> <plug-discuss at lists.plug.phoenix.az.us
> <http://mc/compose?to=plug-discuss@lists.plug.phoenix.az.us>>
> Date: Thursday, June 24, 2010, 6:53 PM
>
>
> use chkconfig to register /etc/init.d as services
> chkconfig --list
> chkconfig --level [run levels] [service] [on/off]
> ie. chkconfig --level 345 httpd on
>
>
>
> On Thu, Jun 24, 2010 at 6:45 PM, keith smith
> <klsmith2020 at yahoo.com
> <http://mc/compose?to=klsmith2020@yahoo.com>> wrote:
>
>
>
> More questions so I can make sure I understand
> what I did and why. Thank you for your help!
>
>
> All services are standalone processes, that are
> started via start up code found in /etc/xinetd.d/
>
>
> To add a standalone process put it's start up
> code in /etc/xinetd.d/
>
>
> To remove a process from running at start-up or
> to stop it all together remove it's start-up
> code from /etc/xinetd.d/
>
>
> Then restart xinetd : /etc/init.d/xinetd restart
> (if installed)
>
>
> Other commands
>
> - - - - - - - - - - - - - - - - - - - - - -
>
> Stop xinetd: /etc/init.d/xinetd stop (if installed)
>
> Start xinetd /etc/init.d/xinetd start (if installed)
>
> Verify that xinetd is running :
> /etc/init.d/xinetd status (if installed)
>
> See what services are running : /sbin/service
> --status-all
>
>
> To check Apache, which is running as a service,
> issue : /sbin/service httpd status
>
>
> Services are stand alone and run no matter what
> run level the system is on?
>
>
> What if xinetd is not installed? Such is the
> case on my Fedora box.
>
> Thanks!
>
> ------------------------
> Keith Smith
>
>
>
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