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 free email server but...
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, Apache, Squid and SMB...
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 conditions. In Ubuntu 18.04...
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 the Unix like operating...
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 considered to be one...
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. Later on these captured...
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 define commonly used function...
Open vSwitch is a free and open source multi-layer software switch, which is used to manage the traffic between virtual machines and physical or logical networks. It provides the features like traffic isolation in...
Google Drive is a cloud-based file storage that allows you store your files on Google Servers, share files with other users and also synchronize the files among various devices including your computer, mobile phone,...
Apache Tomcat 9 is a free and open source web server which is used to serve java based web applications. In other words we can say Tomcat server is used to implement Java Servlet...
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