Linux

Update Your Gentoo Kernel Without Changing Your Bootloader Entries

This guide will show you how to automatically update your boot kernel in Gentoo.

Booting Your System Using EFISTUB

Using EFISTUB, it's possible to boot a UEFI system without a bootloader. Here's how you can set it up.

Finding Serial Ports on a Linux Device

Serial ports on Linux are widely used to interface with hardware devices such as FTDI USB-to-serial adaptors, Arduino boards, and other peripherals. Identifying these ports and their associated mount points is important to ensure you are targeting the correct device. While fairly straightforward, you need to know where to look to find them. This guide […]

Automating Tasks Using Cron

Ever wanted to run a task automatically? Find out how to do this using cron.

Allowing Users to Run System Apps in Gentoo

If your polkit rules are not configured correctly, you might find yourself unable to run certain applications. This guide explains the cause of the issue, and gives you a simple fix.

Setting Up a UFW Firewall in Linux

Firewalls are an important part of internet security. This guide will show you how to set one up.

How to Hide your Username and PC Name in a Terminal Prompt

The Linux terminal will show your username and PC name in the prompt window by default. This article will show you how to change this, and set your own prompt string.

Migrating Portage Repository Locations

In 2019, the default locations used by Gentoo's package manager were changed. This article explains the change, and shows how you can alter an existing installation to use the new directories.

Comparing Cron Jobs and SystemD Timers

Cron and SystemD timers can both be used to set up scheduled tasks on your system. Here's a comparison of the two options.

Fixing DaVinci Resolve Not Detecting GPU using RustICL

Having installed DaVinci Resolve onto one of our systems, we encountered an issue getting it to start. Fortunately, it's an easy issue to work around, as explained in this article.

Reducing Reserved Space on EXT4 Filesystems

When formatting a drive using EXT4, you’ll notice that a chunk of space is taken before you’ve even added any files. This is due to the filesystem reserving blocks, to ensure system processes can continue even when the filesystem is nearly full. By default, EXT4 will reserve 5% of the total filesystem space. When EXT4 […]

Using File Hashes to Check the Integrity of your Backups

Creating backups of important files is something which is easy to do, but many people only consider once they have already lost their data. You should always keep multiple copies of your most important data, preferably with some of the copies off-site somewhere away from the others. Fire, theft and hardware failure can easily lead […]

How to Create and Mount a Linux Swap File

In Linux, swap space acts as an overflow area for your system’s RAM. When physical memory is full, the kernel moves inactive pages of memory to the swap area, freeing up RAM for active processes. Historically, Linux systems often relied on swap partitions, but modern distributions favour swap files due to their flexibility and ease […]

Setting Up Passwordless SSH

If you regularly connect to machine using SSH, entering a password every time can become tedious. Here's how you can set up a passwordless SSH connection, using a public/private key pair.

Preventing A Command From Being Logged In Your Bash History

Want to prevent a command from being logged in your bash history? This guide will show you a very simple trick to accomplish this.

Disabling the Microphone LED on Linux Systems

On some laptops, the microphone mute LED remains constantly illuminated when running Linux. This guide explains a couple of methods to disable it.