Generative art with Python — gradients

The challenge was to write a script to generate random images to be used as backgrounds on this blog. In just 23 lines of code, Python is capable of generating beautiful, random gradients.

Sat, 18 Feb 2023 17:15 UTC

Self-hosting email with Postfix and Dovecot on Ubuntu

Fast-start configuration for Postfix and Dovecot on Ubuntu with mostly default settings. This setup uses secure IMAP, Let's Encrypt certificates, mbox and alias addressing.

Sun, 05 Feb 2023 11:14 UTC

A very strong password generator

Generate very strong passwords securely on your local machine without relying on external apps or websites. Use a dictionary or word list and a simple alias command to output high-entropy passwords.

Thu, 26 Jan 2023 11:22 UTC

Fix UFW not enabled after a reboot on Ubuntu 20.04 LTS

How to set UFW to auto-start after a reboot on Ubuntu 20.04 LTS

Wed, 25 Jan 2023 07:43 UTC

Mastodon Admin bulk domain-blocking via CURL

Mastodon v4.0.2 does not yet have the ability to bulk-import domain blocks at a server level from the Admin UI. How to use CURL for bulk domain blocking.

Sun, 01 Jan 2023 20:11 UTC

British-English Language Tools

The British-English Language Tools project provides Linux-based users with the ability to conduct system-wide spell-checking based on the well-established British Standard English convention.

Mon, 26 Dec 2022 09:24 UTC

Fixing Gnome Evolution Failed to Connect issue

How to workaround Gnome Evolution's Failed to authenticate or Failed to connect errors.

Thu, 22 Dec 2022 21:07 UTC

Fight for Privacy

Our basic human right to privacy is gradually slipping away and we are complicit. We must do all that we can to defend this right. We must fight, we must resist. Citizens of the World must act to reclaim privacy.

Sun, 11 Dec 2022 21:17 UTC

Google News Feed URL fails in Thunderbird

Thunderbird does not accept Google News Feed URLs as valid RSS. Attempting to subscribe to a search or a category will fail as either invalid or not authorised. This workaround gets past that limitation and allows subscribing to Google News RSS in Thunderbird.

Sun, 04 Dec 2022 07:27 UTC

GPG quick-reference cheat sheet

GPG quick-reference cheat sheet for basic usage scenarios.

Mon, 28 Nov 2022 20:49 UTC

A no-fuss grey theme for Thunderbird

I've been looking around for a mid-grey theme for Thunderbird for quite some time with little success. So I decided to figure out how to make my own.

Sat, 26 Nov 2022 12:55 UTC

Some musings on Mastodon

I joined Mastodon and left 5 days later but I remain an active member of the Fediverse. There is absolutely nothing wrong with Mastodon; I'm just after something a little less centralised.

Mon, 21 Nov 2022 21:07 UTC

Linux bash and zsh alias command with examples

Aliases are shortcuts to run commands or a sequence of commands. Improve your workflow by creating shell aliases in bash or zsh for frequently used commands.

Mon, 14 Nov 2022 10:51 UTC

A Simple Bash Backup Script

Many Linux users tend to backup their entire /home directory or rely on apps to take care of this critical task. Backup only the essentials with this simple and fast bash script.

Sat, 12 Nov 2022 10:51 UTC

How To Copy Files And Retain Permissions

A brief tutorial on copying files in Linux whilst retaining the original file permissions and ownership. Details on how to preserve permissions when copying from EXT4 to NTFS.

Thu, 10 Nov 2022 09:38 UTC

cybrkyd's blog