20 Aug 2018
1 minutes read
How to Fix Fonts in X11 Forwarding
I’m installing VirtualBox on one of my remote Linux servers and installed the software from their repository that …
How To
24 Jul 2018
2 minutes read
Use Lsblk Command for Storage Analysis
As I’m working through my very first ebook under the Unix Tutorial brand, I’m learning lots of very …
04 Jul 2018
5 minutes read
What Hardware Virtualization Really Means
Many of us have heard about hardware virtualization, but as far as I can see there is still a lot of confusion around …
27 Jun 2018
2 minutes read
How to Check RAID Progress With /Proc/Mdstat
I explained how to read the /proc/mdstat in my recent post How To Identify RAID Arrays in Linux, so today is a super …
04 Jun 2018
2 minutes read
How to Indentify RAID Arrays in Linux
One of the easiest ways to find if your Linux system has any RAID arrays currently in use is to view the contents of the …
22 May 2018
2 minutes read
How To: Show Modules Loaded by Apache
Just a quick tip today, should help all of you who are setting up their very first Linux/Apache/PHP/MySQL (LAMP) …
08 Jan 2017
1 minutes read
How to Determine OS Version on Your Raspberry Pi
Raspberry Pi 4 Someday you may realise that you had your Raspberry Pi for so long that you no longer remember what OS …
01 Dec 2014
2 minutes read
SSH Agent and How to Use It
In a nutshell ssh-agent allows you to unlock your private SSH key once and add it to the agent so you can keep using it …
27 Nov 2014
2 minutes read
How To: Confirm Which Ports Are Open on Your Linux System
If you wish to see which ports are open on your Linux system, perhaps to check your configuration, you can use the nmap …
26 Nov 2014
2 minutes read
How To: Patch Bash Against Shellshock
Since you’re reading this you’re probably already aware of what Shellshock is; a number of vulnerabilities …
How to decrypt files with Ansible Vault
ansible-vault decrypt restores an encrypted file …
Just discovered the macOS footprint command
I’ve administered Linux systems for around 25 …
How to Fix Ubuntu Packages Held Back
When trying to run do-release-upgrade on an Ubuntu …
How To Resize Filesystem with resize2fs
Quick note on filesystem resize on a typical …
macOS Tahoe
macOS Tahoe is the upcoming major release of macOS …
Centralized Bash history with timestamps
BASH is my Linux shell of choice (it’s zsh on …
Inspect filesystem operations with fs_usage in macOS
hey Unless you disable SIP, most of DTrace based …