Programster's Blog

Tutorials focusing on Linux, programming, and open-source

ACME-PHP

AcmePHP - Remove Domain

A workaround for removing a domain in AcmePHP.

Ceph Debian software-defined-storage

Debian 9 - Install Ceph Deploy Tool

Install the the ceph-deploy tool for the latest LTS version of Ceph, on the latest version of Debian.

GPG

Generate GPG Master and Subkeys

A short guide on creating a GPG master key, before then creating subkeys for it.

GPG

GPG - Subkeys

A short post on GPG subkeys and why you should use them.

GPG Yubikey

Yubikey - Link With GPG

Link your Yubikey with GPG

Yubikey

Yubikey - Change To Super Combo Mode

Change the mode of your Yubikey so that you can use it for PGP/GPG as well.

Thunderbird

Thunderbird - FIx Graphics in Subject

Fix graphics appearing in the subject line in Thunderbird

SSH Yubikey

Yubikey - SSH Into Remote Servers Using A Pin

See how you can use your Yubikey to SSH into remote servers using a pin code.

Yubikey

Yubikey Cheatsheet

A cheatsheet for yubikey.

screen-recorder

Ubuntu - Install Simple Screen Recorder

Install this excellent screen recording tool in Ubuntu.

theme

Ubuntu - Install Arc Theme

Install the Arc theme on Ubuntu.

Debian atom text-editor

Debian - Install Atom Editor

Install the Atom text editor in Debian

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Programster's Blog Ⓒ 2025