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How to manage rc scripts using chkconfig?

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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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