Unix

Introduction Collecting data (stats about servers, applications, daily site traffic, etc) is the first step when troubleshooting site issues, looking to implement performance improvements or...

There are a lot ways to take screenshot in Linux. scrot is a very useful command-line tool for taking screenshots. scrot is pre-installed in most...

GlusterFS aggregates various storage servers over Ethernet or Infiniband RDMA interconnect into one large parallel network file system. It is free software, with some parts licensed under the GNU General...

Most often we do install software from the terminal by the help of  apt-get, rpm, yum, Ubuntu Software Center (GUI) and other forms on...

Even after  installing  pidgin-sip the  office comminicator  wont  to connect and  still giving this error: READ  ERROR how to   solve  this ?   sudo apt-get install pidgin-sipe make  this ...

Question: How to install Webmin in FreeBSD 8.x en 9.x ? Answer:  Before to begin, you need to install Perl,  do that using the command #...

It is late and I decided to code a simple TCP server in pure Python. But...

Introduction Cerb is a workflow and email automation system, excellent for large teams. Cerb is written in PHP and uses either MySQL or MariaDB as a...

Protecting files from unwanted deletion is very important security on the tasklist of Unix Administrators. On Linux boxes you can use the chattr command and...

Our goal is to build a FreeBSD server Captive Portal as it is in hotels and airports. Guest joins to wifi without entering a...

Introduction WordPress is a famous content management system based on PHP and MySQL, distributed under the terms of the GNU GPLv2 (or later). In most...

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....

Why HTTPS? Starting with Chrome 56, the browser developed by Google marks non-secure pages containing password and credit card input fields as Not Secure in...

Introduction - A Web Based Control Tool Webmin is a web control tool for UNIX (and other similar systems) which simplifies the management process. Normally, configuration...

Introduction TaskBoard is a free and open source software, inspired by the Kanban board, for keeping track of things that need to be done. Kanban is...

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...

Introduction Secure Shell, or SSH, is a cryptographic (encrypted) network protocol for initiating text-based shell sessions on remote machines in a secure way. This allows a user...

Introduction If you've never heard about HHVM, it's an open-source Virtual Machine designed for executing programs written in Hack and PHP. For performance reasons, it uses...