September 11, 2026
11 min read
Ubuntu DNS Configuration Guide
This Ubuntu DNS Configuration Guide covers Netplan, systemd-resolved, dnsmasq, and troubleshooting for reliable name resolution on Ubuntu 22.04 and 24.04 servers.
September 11, 2026
10 min read
Install Ubuntu on VirtualBox
Install Ubuntu on VirtualBox with this 2026 guide: download the ISO, create a VM, run the installer, and apply Guest Additions for a smooth dev environment.
September 09, 2026
13 min read
iptables vs nftables: Linux Firewalls
iptables vs nftables: Linux Firewalls compared with packet flow, migration steps, UFW notes, and practical rules for Ubuntu web servers in 2026.
September 12, 2026
14 min read
Sealed Secrets vs External Secrets Operator
Sealed Secrets vs External Secrets Operator compared for GitOps teams: encryption in Git vs live sync from Vault, AWS, and Azure with a clear 2026 decision guide.
September 11, 2026
13 min read
Install Python on Ubuntu
Install Python on Ubuntu with apt, deadsnakes PPA, or pyenv—plus venv, pip, and fixes for the version conflicts you hit on real servers.
September 11, 2026
12 min read
Best Ubuntu GNOME Extensions
The best Ubuntu GNOME extensions in 2026 add dock control, clipboard history, system stats, and phone sync without breaking your desktop.
