Hi. I am Pothi Kalimuthu, from Srivilliputhur, TamilNadu, India. I specialize in hosting web sites, especially WordPress blogs. I am passionate about (web) performance in general.

About me

I have a strong background on servers with a keen eye on performance and security! I primarily concentrate on high-traffic, high-performance WordPress sites! You can find me in Github, ServerFault, and in forums.

About this blog

In this blog, I share what I know or what I learned on a particular day / week / month / year. The articles are mostly related to WordPress. Rest of the articles are about my own thoughts on various things around performance, servers, security, etc.

About freelancing

I have been freelancing since 2008 primarily via Upwork (erstwhile oDesk). However, due to ever-growing race to the bottom (on pricing), I want to keep away from it as far as possible. If you have any site that needs performance tuning or if you need a customised server, please get in touch by filling the form below. I am glad to provide free analysis and possible steps to improve your site’s performance!


ssh-import-id-gh – Import your public SSH key from GitHub

The (WordPress) developers often use wp-cli to troubleshoot sites hosted in remote servers. While I don’t recommend working with a production site directly, these days most hosted WP companies offer staging sites with SSH access, with wp-cli pre-installed. In order to log into those, most of us use password authentication that can lead to a …