Tag: Ubuntu

Sep 3, 2026 · Asif Mughal

Ubuntu 26.04 LTS Needs a Newer CPU. Check This Before You Upgrade Your VPS

Ubuntu 26.04 LTS cloud images now require a newer x86-64-v3 CPU baseline, and older or budget VPS hardware may not qualify. Here is the one command to check before you upgrade, and why a failed upgrade is worse on a remote server than a desktop.

Aug 29, 2026 · Asif Mughal

Why Your Sudoers Rule Stopped Working on Ubuntu 26.04 (sudo-rs Wildcard Change)

Ubuntu 26.04 LTS quietly made sudo-rs the default sudo. If your sudoers rules use a wildcard inside command arguments, they will silently stop matching. Here is what changed and how to fix it.

Aug 25, 2026 · Asif Mughal

How to Disable SSH Password Login on a VPS (And Make It Actually Stick)

Disable SSH password login and switch to key-only authentication on a VPS — including the cloud-init config override that silently breaks this on most guides.