Tag: rescue mode

Rescue a CentOS system with GRUB

GRUB (Grand Unified Bootloader)  is the most widely used bootloader among Linux operating systems (OS) but it can boot any OS. GRUB main functionality is to allow users to select between different operating systems to boot. As bootloader GRUB is installed on the MBR (Master Boot Record) and additionally to allow us to select different …

Continue reading

CentOS / RHEL 7 : How to install kernel from rescue mode

A situation where the system has no kernel to boot from maybe because all the kernel are removed from the system or due to a corruption, Kernel installation from rescue mode is required. You can still install a new kernel from rescue mode and make the system up and be running again. Be sociable 🙂 …

Continue reading