How to recover /boot partition on RHEL or CentOS 7?
What if mistakenly you delete all the files from /boot partition or files got corrupted due to some reason ! You will see below error on the screen at the time of system boot. But there is a way to recover /boot partition files :) Follow these steps to recover /boot partition : Step 1 : Mount RHEL or CentOS 7 ISO image on your physical server and boot from it. In case you are using HPE Prolient server you can mount this ISO image on iLO, if this is virtual environment then mount it accordingly and reboot server or VM from ISO. Once rebooted you will see below options: Step 2 : Scroll down and select "Troubleshooting" option from menu and PRESS "Enter" Step 3 : Select "Rescue a CentOS system" and press ENTER: Step 4 : Press ENTER key again to continue: Step 5 : To continue, Type "1" and press ENTER, this will bring you to rescue mode, chroot sysimage filesystem using below command: ...