How to reset CentOS to default?

David Beroff

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#1
I did too many changes or configurations on my CentOS and I could not roll back things I did. How can I reset CentOS to default without reinstall VPS? I am looking for a command to do this task through ssh.
 

24x7serverman

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#2
If you have install it using YUM installation then please follow below steps to reset CentOS

1. List down all the commands which you have fired by history command - yum history list all
2. Get the details of each command - yum history info [entry number]
3. Undo all the commands which you have entered from top to bottom - yum history undo [entry number]

Please make sure, you will not undo the initial system install. Hope this will help you. :)
 
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#4
Unfortunately the most correct thing is to install one more VPS, there is installed a pure Centos and transfer the data there. Even if you cancel the changes, there will be a lot of dirt in the system.
 
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