How to manage rc scripts using chkconfig?

28.How to manage rc scripts using chkconfig?
Ans.
To configure any software package to work at boot time use this command with following options:
1. To check all packages working at which run levels:
#chkconfig –list

2. To check whether package is working at boot time:
#chkconfig –list packagename

3. To reset run levels for any package:
#chkconfig –levels 0123456 packagename OFF

4. To set run levels for any package:
#chkconfig –levels 23456 packagename ON

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