Tag ubuntu

Red Hat Linux cheat sheet commands examples RHEL

Useful Linux Commands (Red Hat) () Revised 3/1/2000 Getting information man commandname display the manual page for a particular command named commandname man -S sectionnumber commandname display the manual page under a specific section numbered sectionnumber for the command named…

shutdown ubuntu linux

How do I use shutdown command? The shutdown command can be used to turn off or reboot a computer. Type the command as follows to shutdown server / computer immediately: $ sudo shutdown -h now OR $ sudo shutdown -h…

x11vnc was unable to open the X DISPLAY

Having trouble getting x11vnc working? Here’s the error: root@qaubutu:/etc/X11/gdm# x11vnc -forever -usepw -httpdir /usr/share/vnc-java/ -httpport 5800 -auth 06/10/2010 16:28:21 *************************************** 06/10/2010 16:28:21 *** XOpenDisplay failed (:0) *** x11vnc was unable to open the X DISPLAY: “:0”, it cannot continue.…

freebsd find

How to find files, programs, etc using freebsd The locate command is good for finding files and directories. Enter something similar to: locate someprogram | more If that doesn’t work, perhaps try the whereis or find commands: whereis someprogram |…