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RHEL - How to back out a failed patch

  Linux patch management: How to back out a failed patch Check the server for pending patches/updates [ root@rhel77 ~ ] # cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.7 ( Maipo ) Use the  check-update  command to non-interactively check for outstanding updates on your server: [ root@rhel77 ~ ] # yum check-update After a successful reboot, check the RHEL version to confirm that the server is updated to X.X version [ root@rhel77 ~ ] # cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.9 ( Maipo ) Reverting the updates First, check the history of the transaction with the  yum  command: [ root@rhel77 ~ ] # yum history Loaded plugins: product-id, search-disabled-repos, subscription-manager ID | Login user | Date and time | Action ( s ) | Altered ------------------------------------------------------------------------------- 8 | root < root > | 2020 -11-01 23 :10 | I,...