AWS Just as I was about to pick a date for my AWS Certified SysOps Administrator (Associate) exam, a bit of good news arrived: it’s possible to take this and any other AWS certification exam online now.
I’ve just learned about a very old but pretty cool Linux command – sfdisk. Somehow I’ve always managed to …
I’m writing an e-book on my approach to taking technical exams and obtaining relevant certifications. …
I knew it’s possible to setup VPN connections using native System Preferences in macOS, but discovered recently …
SSH config with jumphost SSH jumphost configuration in .ssh/config I needed to use a mobile 4G hotspot today and …
Red Hat Ansible There are many scenarios where some of your infrastructure isn’t directly accessible from your …
Cool! I didn’t even know Linux Mint have a Debian Edition, so LMDE 4 Debbie released last Friday is a great …
Python One very common mistake almost everyone makes in Python is this: you import a module for some additional …
Docker I’m working on another Unix Tutorial Project these days, to setup my own Docker registry. It’s not …
OpenSSL Before I forget about this little addition, I want to write a follow up to the Check SSL Connection with OpenSSL …
Another fairly recent video on my YouTube channel: …
macOS 14 - Sonoma Apple just released new version …
Did I mention that I have recently purchased the …
Another video on my YouTube channel …
Apple keeps shipping public betas of macOS Sequoia …
I reliased one of my Raspberry Pi systems was …
Unless you disable SIP, most of DTrace based …