linux

Self-hosting email with Postfix and Dovecot on Ubuntu

5 February 2023

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.

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A very strong password generator

26 January 2023

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.

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Fix UFW not enabled after a reboot on Ubuntu 20.04 LTS

25 January 2023

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

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How To Copy Files And Retain Permissions

10 November 2022

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.

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Rsync Basics Tutorial With Examples

1 November 2022

Rsync is a tool used to synchronise files both locally and remotely on Linux systems. Commonly used for backups and mirroring, Rsync uses a delta-transfer algorithm which sends only the differences between the files.

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Conky Ironman Theme

29 October 2022

I’m not one for obsessing over my desktop but I have a soft-spot for Conky. I have created Conky Ironman, a beautiful Conky theme which displays date and time, system info, network status, live crypto prices and a to-do list.

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Introduction to grep command

14 October 2022

grep is a Linux command line tool used for text-searching in files. It is a versatile tool, capable of searching through single and multiple files as well as recursively through directories.

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Optimising my Linux Mint installation

13 October 2022

I upgrade my system quite often and when I do, I have a handy checklist that I use to get me setup and running in less than one hour.

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Manually installing Firefox in Linux

11 October 2022

My personal preference is to run a non-repository Firefox on my system. I’ll explain why and demonstrate how this is easily achieved in minutes.

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I Use Linux

9 October 2022

I use Linux as my main desktop OS and on my laptop. The reason I use Linux is because it offers me freedom, privacy and transparency over and above what any other operating system does. And, of course, the best part is that it is 100% free!

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