Unix

Introduction After 26 months of development the Debian project released its new stable version, Debian 9, code name 'Stretch'. Thanks to the work of the...

nginx (pronounced "engine x") is an open-source web server and a reverse proxy server for HTTP, SMTP, POP3, and IMAP protocols, with a strong focus on high concurrency, performance and low memory usage. It is licensed under a BSD-like...

Who should...

Network File System(NFS) is a network file system protocol developed by Sun Microsystems in 1984, allowing a user on a client computer to access...

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

  Introduction Cron job are used to schedule commands to be executed periodically. You can setup commands or scripts, which will repeatedly run at a...

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...

Introduction MySQL is an open source SQL database management system developed by Oracle Corporation. SQL stands for Structured Query Language, which is a standardized language used...

PostgreSQL is a powerful, open-source object-relational database system. It runs on all major operating systems, including Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac...

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 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...

"cat" is one of the commands that is used mostly in our everyday activities, so far as the terminal is concerned. It is mostly...

Introduction ownCloud is an open source file syncing and sharing software, just like Dropbox. Just placing files in a local shared directory, those files will...

How to enable su  in FreeBSD? This  is my  installed  FreeBSD 9.1 $ uname -aFreeBSD FreBSD-Unixmen 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec 4 09:23:10 UTC...

Introduction - NoSQL and OrientDB When talking about databases, in general, we refer to two major families: RDBMS (Relational Database Management System), which use as...

OpenFire – Formerly known as Wildfire server and Jive Messenger XMPP server(Extendible Messaging and Presence Protocol). Formerly known as the jabber protocol. Is written...

What is Let's Encrypt Let's Encrypt is a free certificate authority brought by the Internet Security Research Group (ISRG). It provides an easy and automated...

Introduction This is the second part of the tutorial on how to deploy Rocket.Chat on AWS (Amazon Web Services). In part one we saw how to...