Metakgp:SysAdmin

Server Specifications

All MetaKGP projects including this wiki run on a single Digital Ocean droplet with 2 GB RAM, a 50 GB SSD, and a single CPU.

Software Setup

Server Architecture

Useful commands

• free -h  : Gives brief RAM usuage.
• htop  : Monitor system properties.
• df -h  : Get disk usage.
• du -hs  : Get size of the folder
• who -a  : Lists all the users who are currently logged in
• last -ia  : Summary of login details. List who logged in, when , from where etc.
• sudo ufw status : List all the ports allowed/blocked

Glossary

• CF: Cloud Flare, it is a content delivery system which we use to provide HTTPS protection to our users, as a perk we also get an additional layer of cache with them.
• DB: Data Base (MySQL in our case)
• NGNIX: A lightweight web server which we are using instead of Apache
• PHP-FPM: FastCGI Process Manager for PHP
• MW: Media Wiki the main software that runs the wiki
• WM: Wiki Media Commons, we use it to save our media files
• Vanish: The caching software that we use.
• P: Parsoid

Related Pages

• 2018-03-12 Migration of the droplet from FRA1 region to BLR region
• 2018-03-14 Downtime due to unset variable in LocalSettings.php
• 2019-10-13 Managing DNS records using Terraform
• Create a new user on the server
• Finding out if an IP is blocked and why
• Reset server password for a user