Tag: debian

Remove all old installed but unused kernels

Old kernels pile up in /boot and eat disk space — safely remove unused kernels on Ubuntu and Debian with apt and dpkg.

Ubuntu Debian packages have been kept back error

Packages have been kept back during apt upgrade — what it means, why it happens, and how to safely install or hold those packages.

Update a Single Package Using APT

Update one package with apt without upgrading everything else — the exact flag, version pinning, held package handling, and the apt vs apt-get distinction that trips people up.

Install docker on Ubuntu/Debian

The official, no-nonsense way to install Docker Engine on Ubuntu and Debian — repository setup, key import, and one command to verify it works.