PUBLIC MARKS from solrac with tags admin & "Linux admin"

As a Linux administrator, you may encounter rootfs errors like cannot mount rootfs and kernel panic when you try to reboot a server after attaching volumes from external storage or even after installing a new Linux operating system. This article outlines the Linux booting process on an x86 platform, shows why this problem happens, and offers four tips to avoid it or fix it. This is a straightforward approach to finding a quick solution that can help you avoid a lot of grief.