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PHP (Hypertext Preprocessor) is a widely used open source scripting language that is used mainly for web development. It is used generally for creating dynamic web pages or for dynamic images on websites. In...

With the rise of Devops culture, IT industries have changed for good. Organizations have been adopting devops resources, tools for increasing the productivity. Automation tools are gaining more and more importance & one such...

YUM tool is one of the most important tool for Centos/RHEL/Fedora. Though in latest builds of fedora, it has been replaced with DNF but that not at all means that it has ran its...

Working with MySQL or MariaDB database, you might have faced a situation where you might have forgotten root or another user’s password or being SysAdmin, you might have had to deal with users who...

Every now & then we have to download files from internet, its easy id you are using GUI but CLI it can be a bit difficult. WGET utility makes it easy for us to...

In this tutorial, we will be discussing Cpanel installation on Centos Machines. Cpanel is the best & most widely used Webhosting panel. Its so popular that almost all hosting companies, i have came across, uses it for hosting wordpress, joomla or other content management based websites.

One of the most performed functions during day to day activities of a system admin is data archiving or data compression/Decompression. And normally we use ‘tar’ command to do so but there are other...

Swap-partition holds the memory which is used in case the physical memory (RAM) is full . When RAM capacity has been utilized to maximum , Linux machine moves inactive pages from memory to swap-space which are then used by the system. Though it gets the work done, it should not be considered as a replacement to physical memory/RAM.

Redis is open source database, precisely, it’s a in-memory data structure store that can be used as a database, cache & message broker. It does not possess the limits offered by the relational database...

SELinux or Security Enhanced Linux is advanced access control mechanism which was developed by US security agency NSA to prevent malicious intrusions & tempering. It implements MAC (Mandatory Access control) over already present DAC (Discretionary Access Control ) i.e. read, write , execute permissions.

In this tutorial we will learn to use an important Linux utility named ‘Crontab’. With the help of Crontab or cron, we can execute a command or a script to run at...

Tor Network is an anonymous network to secure your internet & privacy. Tor network is a group of volunteer operated servers. Tor protects internet communication by bouncing it around a distributed network of relay...

Earlier we have learned about how we can configure apache as reverse proxy. As discussed earlier, Reverse proxy is a kind of a proxy that takes http or https request & transfers/distributes them to one or more backend servers.

Gaming on Linux has never been a easy thing, there are not a lot of games available in the market. Most of companies are not willing to put an effort in bringing their games...

Reverse proxy is a kind of proxy server that takes http or https request & transfers/distributes them to one or more backend servers. Reverse proxy is useful in many ways, like – It can...

Learn to convert RHEL/CentOS 6 & 7 machines into a router by using NATting. Router as we know is layer 3 networking device that is used to...

Webalizer is a free & open source application for analyzing of apache web access logs & usage logs & creating website statistics. After analyzing web logs, it produces various website statistics like daily statistics,...

Regular expressions or regex or regexp are basically strings of character that define a search pattern, they can be used for performing ‘Search’ or ‘Search & Replace’ operations as well as can be used...

This is a complete reference guide for GIT commands to make any git beginner into a git pro.....

Let’s Encrypt is a free, automated & open certificate authority that is supported by ISRG, Internet Security Research Group. Let’s encrypt provides X.509 certificates for TLS (Transport Layer Security) encryption via automated process which..