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How to make a service stay ON after a reboot?

Sometimes it happens that a server has been rebooted but we forgot to check if the services which were started before the reboot are still up - and sometimes this creates issues.

There is a utility in Linux - 'chkconfig' - using which we can turn a service on even after rebooting the Linux server or machine. It is a command-line utility as below :-

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chkconfig --list

The command below will display all the services and the runlevels on which the particular
service is on or off:-

[[email protected] ~]# chkconfig --list

httpd           0:off   1:off   2:off   3:off   4:off   5:off   6:off
ip6tables       0:off   1:off   2:on    3:on    4:on    5:on    6:off
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Now to make a particular service stay on after the reboot we need to use the command below:-

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[[email protected] ~]# chkconfig httpd on

and then re-check the httpd service status using the command below:-

[[email protected] ~]# chkconfig httpd --list

httpd           0:off   1:off   2:on    3:on    4:on    5:on    6:off
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That's all. Now whether our Linux server/machine will reboot or not the httpd service will remain started on it.

Sachin Wednesday 02 October 2013 - 04:56 am | | Default

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