Here are some basic commands to get you started in the wonderful world of Linux and other UNIX variants. All of these commands should work from your command prompt (regardless which shell you’re using).You MUST press enter to invoke the command.All UNIX and Linux commands are case sensitive. There are of course thousands of Linux related commands and procedures.
lightweight load, memory and network monitoring Using loadavg
loadavg is a simple and lightweight method of monitoring load, memory usage and transfer throughput on a Linux server.Every method of monitoring has an impact on the system being monitored — loadavg is designed to keep that impact as low as possible. It generates HTML & CSS charts, thereby shifting much of the work from the server to the client — your web browser.
Install .rpm Files in Debian and Ubuntu
Some time you might find some applications are having only .rpm files but you want a .deb package for your debian,Ubuntu and other debian derived ditributions.If you can’t find .deb debian package in any of the debian,ubuntu repositories or elsewhere, you can use the alien package converter to install the .rpm file.
Find which Debian or ubuntu Linux Version you are running
There are times debian or ubuntu users and admins want to find which version of debian and ubuntu linux version is running on their machines.This is very useful for those who is helping their customers and they want to know which version they are running and if you took over new system admin job you want to know which version is running on your servers or desktops.