14 Oct 2019
2 minutes read
How To Generate ed25519 SSH Key
Generating ed25519 SSH Key I’m hoping to reinstall my MacBook Pro 15" 2017 with a fresh macOS Catalina sometime soon, and part of preparations is testing my install methods (hello, brew!
Unix Tutorial - technical guides and how-tos on Linux/Unix and macOS
14 Oct 2019
2 minutes read
Project: Upgrading RSA Keys to Ed25519
Generating new SSH key with Ed25519 greys@maverick:~/.ssh $ ssh-keygen -o -a 100 -t ed25519 -C …
10 Oct 2019
1 minutes read
ZFS on Root in Ubuntu 19.10
Just read about ZFS making it into Ubuntu 19.10 installer as an experimental feature here, sounds pretty cool! What is …
09 Oct 2019
2 minutes read
How to Install Appimage Software Packages
You may have seen that some software is distributed not as RPM (native Red Hat/Fedora/CentOS), not as DEB file (Debian, …
08 Oct 2019
2 minutes read
Chown Example: Recursive Update
chown is a basic Unix command, super useful and very powerful. I have provided a chown example earlier, but would like …
07 Oct 2019
2 minutes read
MacOS 10.15 – Catalina Released
macOS 10.15 Catalina Installation Hurray! macOS 10.15 codenamed Catalina is finally here, available for download and …
05 Oct 2019
2 minutes read
Preserve Root Flag for Rm Command
Preserve Root Flag for rm Command rm will warn you instead of removing everything in / recursively rm command, the one …
04 Oct 2019
3 minutes read
Show Process Limits Using /Proc Filesystem
I think I mentioned the special /proc filesystem before, it’s available in Linux distros and helps you obtain …
03 Oct 2019
8 minutes read
Project: Connect LG 5K Display to PC
As I mentioned, I’m building a new Linux based desktop PC – currently running RHEL 8. Since I’m planning it …
03 Oct 2019
8 minutes read
Project: Connect LG 5K Display to PC
As I mentioned, I’m building a new Linux based desktop PC – currently running RHEL 8. Since I’m planning it …
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 …