DevOps Archives - Geeker's Digest

DevOps

Nginx listen http2 directive is deprecated

DevOps

How to fix "listen http2 directive is deprecated" after Nginx upgrade

When you upgrade Nginx to version 1.25 or newer, you might run into deprecation warnings: ...

By Claudio Kuenzler

February 11, 2026

No pubkey error in apt repository

DevOps

How to fix APT error public key is not available (NO PUBKEY)

If you use the APT package repositories (for Debian, Ubuntu and similar distributions), you might ...

By Claudio Kuenzler

January 10, 2026

SSH Login failed

DevOps

How to fix SSH error "Too many authentication failures"

When you try to connect to a remote server using SSH, you might run into ...

By Claudio Kuenzler

November 20, 2025

DevOps

Bug in Varnish Enterprise 6.0.16r2 leads to removal of package

A bug was discovered in the most recent release of Varnish Enterprise (6.0.16r2), released on ...

By Claudio Kuenzler

September 15, 2025

DevOps

Rocky & Alma Linux 10 images available for LXC and Incus containers

Good news for everyone working with LXC and Incus containers: Rocky and Alma Linux 10 ...

By Claudio Kuenzler

September 9, 2025

Gitlab SSH key

DevOps

GitLab says your SSH key is expiring soon – but which one?

In order to communicate (and authenticate) with Git repositories on GitLab, there are a couple ...

By Claudio Kuenzler

September 4, 2025

git

DevOps

How to see the git commit history of a single file

Show commit history in repository Most of the times the commit history in a Git ...

By Claudio Kuenzler

June 25, 2025

Monitoring Station

DevOps

How to build your own dual screen monitoring station

If you manage servers and services, whether they're on running in the Cloud or on-premise ...

By Claudio Kuenzler

June 17, 2025

git

DevOps

How to pull a specific remote branch with git

When running the git pull command, you retrieve the latest changes of your current branch ...

By Claudio Kuenzler

May 27, 2025

Extract files and directories from a Docker Container Image

DevOps

How to unpack a Docker container image and extract files

When starting a Docker container, this uses a so-called "Docker Image" in the background. These ...

By Claudio Kuenzler

March 27, 2025

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