jenkins

Jenkins -- Intro and Installation

Jenkins is a Continuous Integration System, and can be made to work as a continuous delivery hub for projects. It is a java based program, ready to run out-of-the-box. that gives a GUI base dashboard to manage the…



maven

Install Apache Maven on CentOS

Apache Maven is a software project management and comprehension tool. IT is commonly used to manage a project’s build, reporting and documentation from a central repository such as Git, CVS, etc. Installation of Maven is…



lock

Recover a Redhat 7 or CentOS 7 root password

There can be instances where you would had lost your root user’s passwords and thus cannot perform certain activities allowed only to the root user. The process of recovering the root password in Redhat/CentOS 7…


storage

OpenFiler – Open Source storage solution

Openfiler is a Linux based operating system. The OpenFiler application provides the file-based network-attached storage and block-based storage area network. Installation: Boot the server hardware using the OpenFiler installation ISO and follow the steps. This…


firewall

How to enable logging in iptables

IPtables is a very powerful firewall used in Linux. It is easy to configure and does a great job in keeping the system or a network safe. As system administrators we configure several services and…