05 Feb 2020
2 minutes read
Secure Keyboard Input in BASH Scripts
Secure keyboard input in BASH I needed to create a very simple bash script that required a password to be provided using keyboard and then used further in the script.
Unix Tutorial - technical guides and how-tos on Linux/Unix and macOS
04 Feb 2020
1 minutes read
Failed Login Attempts for Root User
Wow, things are much worse than I expected! I’m reinstalling one of the dedicated hosts for Tech Stack. Kicked off …
03 Feb 2020
2 minutes read
Shutdown vs Halt
Getting the difference between shutting a Unix system down versus halting it is kind of important. Graceful shutdown …
02 Feb 2020
2 minutes read
Unix Tutorial Digest – February 2nd, 2020
For those staying up late to watch Super Bowl LIV and those just looking for a few interesting links, here’s the …
01 Feb 2020
1 minutes read
Show Files Installed by a Debian/Ubuntu Package
Sometimes it’s not enough to know that a certain package is installed on your Linux system. You want to know the …
31 Jan 2020
2 minutes read
How to Extract XZ Files
I’ve come across XZ files more than once, most recently when downloading Kali Linux. It should be a fairly common …
30 Jan 2020
1 minutes read
Kali Linux 2020.1
Kali Linux 2020.1 This time I’m definitely installing it on my Raspberry Pi 4! Kali Linux just released the very …
29 Jan 2020
2 minutes read
Uninstalling Minikube
Deleting minikube Don’t remember how, but I ended up with two Kubernetes installs on my mcfly desktop with macOS: …
28 Jan 2020
1 minutes read
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 …
27 Jan 2020
2 minutes read
How to Ignore SSL Warnings in Curl
Ignore SSL warnings in curl Sometimes your testing scenario or cycle is so far ahead of your infrastructure that you …
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 …