SSH (Secure SHELL) is an open-source and most trusted network protocol that is used to log in to remote servers for the execution of commands and programs. In this article, we will see that how to set up password-less ssh on Linux using ssh keys to connect to remote Linux servers without entering a password. I have the following […]  Read More »

qperf measures bandwidth and latency between two nodes. It can work over TCP/IP as well as the RDMA transports. How to install qperf? On CentOS/RHEL8, qperf is available from the EPEL repository. Install it like this: The Ubuntu/Debian repositories do not have qperf, so you’ll need to build it from source. Open the firewall on the Server On […]  Read More »

Set Global Git Username and Email Set Git Username and Email for a Single Repository Add and Commit files to a Git Repository Push the Changes to the Remote Repository  Read More »

Find who is logged on and What they are doing Kill tty Connections Find Common Elements Between Two Lists comm is great, but indeed it needs to work with sorted lists. Alternative with sort: reflector  Read More »