Posts

CentOS

CentOS – Installer just goes black screen on Centos8

Problem: During installation of CentOS the installer screen goes black. The terminal multiplexer is running in virtual console 1. To switch from the graphical installation environment to tmux, press Ctrl+Alt+F1. To go back to the main…
CentOS

CentOS – How do I safely delete old kernel versions ?

package-cleanup: Using package-cleanup command which is a part of yum-utils package we can uninstall any number of old kernels automatically. As an example using --oldkernels --count=2 option with package-cleanup command the command…
ZFS ZOL

ZFS – CENTOS Downgrade

ZFS - Downgrade Commands for Centos: To do the downgrade/re-install dance: [crayon-68725023284fd022124761/] [crayon-6872502328505155887659/] [crayon-6872502328508691503016/]