I've come across XZ files more than once, most recently when downloading Kali Linux. It should be a fairly common knowledge now, but some operating systems still don't support is - so I decided to research and to document it. What is XZ … [Continue reading] about How To Extract XZ Files
Kali Linux 2020.1
This time I'm definitely installing it on my Raspberry Pi 4! Kali Linux just released the very first release of the year 2020 with the following much welcome improvements: Single installer image - I find it refreshing that there's only one … [Continue reading] about Kali Linux 2020.1
Uninstalling minikube
Don't remember how, but I ended up with two Kubernetes installs on my mcfly desktop with macOS: the one that came with Docker Desktop for macOS and the minikube variety that I must have downloaded and installed in the past. What is … [Continue reading] about Uninstalling minikube
Linux Kernel 5.5
Yesterday Linux Kernel 5.5 was released, almost exactly 2 months since the Linux Kernel 5.4. Here's what I find interesting in this release: improved Raspberry Pi 4 support - that's pretty cool! must give it a try since my RPi4 is still not … [Continue reading] about Linux Kernel 5.5
How To Ignore SSL Warnings in curl
Sometimes your testing scenario or cycle is so far ahead of your infrastructure that you don't even have time or opportunity to procure proper SSL certificates for you website. If there's a certificate missing or expired, or a domain name … [Continue reading] about How To Ignore SSL Warnings in curl
Unix Input/Output Redirection
Input/output redirection is a fundamental functionality in Unix and Linux. It's a great way of manipulating data exchange between commands that you run. There's lots of examples here and this probably calls for a Unix Input/Output Redirection … [Continue reading] about Unix Input/Output Redirection
DEBUG: cron keeps piling up in macOS
So, long story... After upgrading to macOS Catalina my years-old automount.sh script running via cron stopped working. It's been a long enough journey of fixing the script itself (sudo permissions, PATH variable not having some important directories … [Continue reading] about DEBUG: cron keeps piling up in macOS
Advanced USB discovery with usb-devices
If you're working with USB devices a lot, Linux platform offers a great way to learn more about what you have connected to your system: usb-devices command. Using usb-devices Command Simply type usb-devices and enjoy the output. Below is an … [Continue reading] about Advanced USB discovery with usb-devices
systemd services Status
I've just learned by accident that it's possible to run systemctl status without specifying a name of systemd service - this way you get the listing and status of all the services available in a neat tree structure. SystemD services As you may … [Continue reading] about systemd services Status
Unix Tutorial – Annual Digest – 2019
As promised, this is my very first annual summary of interesting things in my industry (Unix/Linux administration) and on my Unix Tutorial blog. Please get in touch to arrange a technical consultation or book a training! Unix Tutorial … [Continue reading] about Unix Tutorial – Annual Digest – 2019