How to Install Htop on CentOS 6.4

1. What is Htop?

Htop is an interactive and real time process monitoring application for Linux. It shows complete list of processes running and easy to use for normal tasks. We can interact with mouse those who love to play with mouse. You can scroll vertically to view the full process list, and scroll horizontally to view the full command line of the process.

2. Install Htop for RHEL, CentOS & Fedora

For 32bit
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.i686.rpm
# rpm -ihv rpmforge-release*.rf.i686.rpm

For 64bit
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm 
# rpm -ihv rpmforge-release*.rf.x86_64.rpm

Once RPMforge repository is installed. Now start installation with yum command.
# yum install htopNow run the htop monitoring tool by executing following command on the terminal.
# htop

3. Htop is having three sections mainly

1. Header, where we can see info like CPU, Memory, Swap and also shows tasks, load average and Up-time.
2. List of processes sorted by CPU utilization.
3. Last footer shows different options like help, setup, kill, nice , quit etc.

Press F2 or S for setup menu > there are four columns i.e Setup, Left Column, Right Column and Available Meters.

Type tree or t to display processes tree view.