Linux RHEL/CentOS/OEL Archives - Page 2 of 7

Setting DISPLAY environment variable syntax changes with Gnome

thg / September 24, 2021

Centos8 Gnome DISPLAY is set like this: export DISPLAY=:0 In other words normally for xWindows you do something like this to set […]

thg / September 24, 2021

BTW if XWindows is not loaded on your linux app for RHEL or clones you can go here, download the

thg / September 24, 2021

Looks like you cannot run xhost as root When I run it from my admin account that has sudo –

thg / August 8, 2021

Goto -> Change Settings -> Colours and UNCHECK the 1st three boxes under COLOURS referring to Allow terminal to specify

thg / January 3, 2021

Link to comprehensive documentation on how to use ssh without having to provide a password for the remote node everytime

thg / January 3, 2021

The curl command transfers data from any server over to your computer. The wget command downloads the data as a

thg / January 3, 2021

grep -E -o “\b[a-zA-Z0-9.-]+@[a-zA-Z0-9.-]+.[a-zA-Z0-9.-]+\b” filename.txt You can also use egrep instead of grep with the -E switch. egrep -o

thg / September 10, 2020

It may not be what you think it is. Here is how to check. Anywhere: curl icanhazip.com -4 Windows: Open

thg / August 18, 2020

All those hard to read colors in WSL and really any Linux prompts where they have changed the colors –

thg / August 18, 2020

Vi or vim syntax highlighting can make it very hard to read on many terminals. Here is how to turn