Sentora is a fully featured, free hosting control panel that can help you easily manage your server through its user friendly interface. It is easy to install and includes all the software you will need to manage multiple websites and clients on a single server. The latest version of Sentora is 1.0.0. The installer will help you automatically install the following software on your server:
Apache – 2.4.3
Bind – 9.9.2-P1
phpMyAdmin – 184.108.40.206
RoundCube – 0.9.2
Dovecot – 2.0.9
Postfix – 2.6.6
proFTPd – 1.3.3g
Install on Ubuntu 14.04
Connect to your server over SSH with your root user. Then issue the following commands:
# cd /root/
# wget http://sentora.org/install
# chmod +x install
This will start up the installer. There will be few questions you will need to answer to customize your installation.
Read more from source: linuxveda.com
Other free control panels that are available for Ubuntu server
Free CPanel Alternatives
Ajenti Webserver Control Panel (ajenti.org)
The admin panel your servers deserve
web://cp was where it all seems to have started for much of the open source world. It was written in php and the aim of it’s single developer was to make a good quality control panel.
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FlexCP is an Open Source solution and so is likely to improve in proportion to the number of users. It can be obtained under the GNU GPL version 2 from sourceforge.net. It is a redevelopment of “web://cp” and as of writing had not released any file packages.
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VHCS is an open source solution released under the Mozilla Public License 1.1 (MPL 1.1) and it appears to be a live and ready to go open source solution. For mission critical servers this might be the choice of system for this reason only. It is a sourceforge.net project so downloading should be simple even if installation is not.
And of course
Webmin is a free and impressive looking suit of control panel packages. It is free and open source solution licensed under the BSD License according to sourceforge.net. Much like the Fedora and Red Hat relationship there is a non-free version too. The GNU GPL is also used which is a bit confusing for the fussy.