Have you ever needed to undo an update on CentOS to fix an unintended catastrophic bug that occurred after installing some new package(s)..? Only a week ago this was me 🙁 and the culprit was “yum update”! After upgrading several packages on one of my web server’s I noticed that several PHP application were suddenly broken. Reporting many issues of depreciated code to errors that never existed in the first place. With no fix in site I needed to rollback an update on CentOS right away.
Easy Guide to Rollback an Update on CentOS
Fetch a list of installed updates on the system along with their transaction ID by running:
Remove the associated update by running the following command along with the ID corresponding to the update you wish to rollback:
yum history undo 17
This will completely remove the last updates from the system. There is no need to reboot!
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