System
Linux system tools, administration and tips
ArchLinux Upgrade Issues
Error: key "ABCDE1282828181" could not be looked up remotely Upgrade archlinux-keyring: pacman -...
CentOS Installation Issues
HP Microserver Gen 7 Kernel Panic on Boot (Both Live USB and New Installation) Add the followin...
Changing Default S2RAM to USWSUSP Suspend Module
If you have any issues to suspend your laptop e.g. suspend command doesn't work on your laptop, t...
Fixing Incorrect Lid State by Hacking DSDT
When I install a Linux distro to my VAIO notebook, I found that there is an annoying bug with the...
JournalD Administration
Optimizing JournalD Disk Space Usage Edit /etc/systemd/journald.conf and change the following li...
Linux on Macbook Administration
Blessing the Linux Kernel Boot into Mac Recovery Start terminal and enter: bless --folder /...
SELinux - Services Blocked by SELinux
SELinux Blocked Apache Access to Files setsebool -P httpd_unified 1sudo /sbin/restorecon -R /var...
Standard CentOS Workstation Setup
Install GUI (MATE Desktop) sudo yum install epel-release sudo yum groupinstall 'X Window Syste...