The home of William Rendell

Blog

FROM THE BLOG

Recent posts

Technical notes, renewable energy projects, useful fixes and updates.

Computing

Monitor postfix queue

watch -n 30 ‘postqueue -p | tail -1’ That displays the queue summary and refreshes it every 30 seconds. Press Ctrl+C when you want…

Read more
Computing

Install Webmin on Rocky 10

sudo dnf update -y curl -o webmin-setup-repo.sh https://raw.githubusercontent.com/webmin/webmin/master/webmin-setup-repo.shsudo sh webmin-setup-repo.sh sudo dnf install webmin -y sudo systemctl enable webminsudo systemctl start webmin sudo systemctl…

Read more
Computing

Add swap file into linux

fallocate -l 4G /swapfilechmod 600 /swapfilemkswap /swapfileswapon /swapfile If RAM = 4GBUse swap = 4GB–8GB If RAM = 8GBSwap = 2GB–4GB is fine

Read more
Computing

VIP Keepalived

Set up a virtual IP on proxmox cluster apt updateapt install keepalived -y nano /etc/keepalived/keepalived.conf run this on all nodes on the master node…

Read more