Expertise level: Easy
To monitor the server performance and the top processes, you can use the "top" command.
Use the following procedure to monitor the server performance from the shell:
- Login with SSH as root.
- Type the command top.
You will see in real time and in the descending order, the details about the load average, top processes, CPU and memory usage, etc. .
- Press Ctrl+C to exit top.
You can press "h" while top command is running and you will get further help about the interactive commands that can be used for top.
For example, you can press 'm' in the interactive mode and it will sort all the processes in descending order of memory usage.
You can see many other tools to monitor your server performance at the following link: http://www.cyberciti.biz/tips/top-linux-monitoring-tools.html