Unix

The "top" command provides a dynamic real-time view of a running system. It can display system summary information as well as a list of processes or...

Memcached is a general-purpose distributed memory caching system that was originally developed by Danga Interactive for LiveJournal, but is now used by many other sites. It is often used to...

TACACS+ - (Terminal Access Controller Access Control System plus) — is a session protocol developed by Cisco. Security(encryption) of the Protocol has improved. TACACS+ is...

Haven't heard about Turnkey Linux yet, probably you should look our previous article here. Introduction Turnkey Domain Controller is an open source Linux operating system that...

Tripwire is an open-source security and data integrity tool useful for monitoring and alerting on specific file change(s) on a range of systems. If any...

In this tutorial, we will demonstrate how to install Ajenti on Ubuntu, a free open source web control panel, which is easy to install...

FreeSWITCH - open source VoIP program. Have any features which must be on VoIP PBX. Have API which works with events. More details you...

The Raspberry Pi is a great device with many possibilities and one such great use is as a NAS server for your LAN. The Raspberry...

This exam and the exam objectives provided here are based on the Red
 Hat Enterprise Linux 7 version of the exam. The performance-based RHCSA exam...

The Bastille hardening program "locks down" an operating system, pro-actively configuring the system for increased security and decreasing its susceptibility to compromise and downtime....

LEMP is a combination of operating system and open-source software stack. The acronym LEMP is derived from first letters of Linux, Nginx HTTP Server,...

Introduction OTRS (Open-Source Ticket Request System) is a web-based ticketing system, widely used by businesses for services like customer support, help desks and call centres....

About Apache Tomcat From Wikipedia, Apache Tomcat is an open source web server and servlet container developed by the Apache Software Foundation (ASF). Tomcat implements the Java Servlet and the JavaServer Pages (JSP) specifications from Sun Microsystems, and provides...

Seafile is an Open Source file synchronization and collaboration tool. If you are looking an alternative for OwnCloud or Dropbox, this is the tool...

One of the core component of network of all organizations is security. Many large companies will have hardware firewalls to protect their network. Those...

NetBSD can often be the forgotten Unix distribution. Forgotten to the popularity of FreeBSD, OpenBSD, PC-BSD and others. In truth, NetBSD has been around...

Introduction Linux Malware Detect is a malware detector and scanner for GNU/Linux, designed particularly for shared hosting environments. It is released under the GNU GPLv2...

Subversion is a free and open-source version control system (VCS). It manages files and directories, and the changes made to them over time. This...