Asis Patra


Bengaluru, India


G’Day. I am a performance analyst at IBM, responsible for performance evaluation, optimization and tuning for different workloads, libraries, etc. on large scale POWER Systems at IBM. I use this site to share and bookmark various things, mostly my work with computers. This site reflects my own opinions and work from over the years. 

Latest Posts

How to setup passwordless SSH [2 Easy Steps]

by on November 17, 2022 at 11:36 am

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 »

Category: Linux

Useful FFmpeg Commands

by on October 3, 2022 at 4:56 pm

Convert Video File from MKV to MP4 Split Video  Read More »

Category: FFmpeg

git: Step by Step

by on October 7, 2022 at 6:34 pm

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 »

Category: Linux

Measure Network Performance with qperf

by on September 22, 2022 at 3:51 pm

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 »

Category: Linux