VirtualBox is a free and open source Virtualization tool that allows to run multiple virtual machines at same time on your Linux and Windows desktop or laptop. VirtualBox is generally...
Now a days most of the firms are trying to migrate their IT infrastructure and Telco Infra into private cloud i.e OpenStack. If you planning to give interviews on Openstack...
Good News for Linux Desktop geeks, recently Elementary OS 5.0 also known as Juno has been released. Elementary OS is one of the exciting Linux distribution based on Ubuntu. It comes...
Mail Server is one of the important and critical Server for any organization as most of business communication done via emails only. In Open source world there are couple of...
Deploying services in high availability is one of the most important and complex task for Linux geeks. Red Hat clustering a.k.a Pacemaker is used to configure the services like NFS,...
Booting a Linux Server into a single user mode or rescue mode is one of the important troubleshooting that a Linux admin usually follow while recovering the server from critical...
Nginx is a free and open source web server, it can also be used as reverse proxy, HTTP load balancer, HTTP Cache and mail proxy. Nginx is available for all...
OpenSUSE Leap 15 is a free and open source operating system that is ideally suited for installing your laptops, desktop and servers for both home and office use. OpenSUSE is...
tcpdump is a well known command line packet analyzer tool. Using tcpdump command we can capture the live TCP/IP packets and these packets can also be saved to a file....
Function is a reusable block of code. Often we put repeated code in a function and call that function from various places. Library is a collection of functions. We can...
