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Java is a high level programming language that is being used for a large number of applications & is installed on large number of servers/systems. We have already covered how we can install java...

htaccess file is a very important & useful file used to alter the configuration of Apache web server. .htaccess files can be used to change the configuration of the Apache Web Server to enable/disable...

Eclipse is well known Integrated Development Environment or in short an IDE, that is used for the programming. Though it is mainly used as JAVA IDE but it provides IDE (with the help of...

NTP or Network Time Protocol is a very important service that is used to keep the system time accurate. NTP service is used to synchronize time on all local servers with respect to a designated server called, NTP server. That NTP server itself syncs time from a public NTP server.

Drupal is a free and open source content management system. Drupal aka Drupal core can server as a website, a single or multi-user blog, or even can be used as a forum. Drupal offer...

When we install a Linux distribution we see that a number of directories are created. These created directories may be same or partially different on various Linux distributions. You might know about the directory...

Recently I came across a MySQL error “Too Many Connections”. Though this was a first for me but as I came to know afterwards, it is a pretty common error in MySQL. The solution...

du command (short for disk usage) is useful command which is used to find disk usage for files & directories. du command when used with various options provides results in many formats.

System Admins are required to monitor IT infrastructure to make sure that everything is up & running. We have to monitor performance of hardware i.e memory, hdds & CPUs etc & so does we...

AWSTAT is free an very powerful log analyser tool for apache log files. After analyzing logs from apache, it present them in easy to understand graphical format. Awstat is short for Advanced Web statistics &...

Cloud is what everyone is talking about. We have a number of major players in the market that are offering cloud storage as well as other cloud based services. But we can also create a personal cloud for ourselves. In this tutorial we are going to discuss how to create a personal cloud using OwnCloud.

Network Mapper or NMAP command open source security tool & is said to be the best port scanner. It is mainly used for auditing the network security & for penetration testing. Nmap command displays...

Joomla is free and open source CMS or content management system used for publishing content online & for creating online applications/Websites. It is said to be one of the best CMS, second only to..

One of the major work of a System Administrator is User & Group Management. We have to create new users & groups, delete old ones, providing users access to a group or folder etc etc....

Ansible is an open source configuration tool; that is used to deploy, configure & manage servers. Ansible is one of the easiest automation tool to learn and master. It does not require you to learn complicated programming language like ruby (used in puppet & chef) & uses YAML

MariaDB is an open-source Relational Database & is a community developed forked-out version of MySQL database. MariaDB has replaced MySQL as default database in RHEL/CentOS 7. In this tutorial, we are will be discussing...

Earlier we have discussed some basics about VI/VIM editor but VI & VIM are both very powerful editors and there are many other functionalities that can be used with these editors. In this tutorial, we are going to learn some advanced uses of VI/VIM editor.

VI editor is a powerful command line based text editor that was originally created for Unix but has since been ported to various Unix & Linux distributions. In Linux there exists another, advanced version...

MongoDB is one of the famous , free & open source document oriented No-SQL database server. MongoDB uses JSON like document format to store data in database, rather than using rows & columns, as...

phpMemcachedAdmin is graphicalweb interface used for the administration of memcached & that provides all the live stats for memcached. It provides real time stats for get, set, increment, decrements, evictions etc as well as other server stats.