01 Jul 2020
1 minutes read
Free Online Training From Red Hat
Red Hat Enterprise Linux 8 With all the major training providers arranging free access to some of the most popular …
redhat
12 Mar 2020
2 minutes read
Migrate Iptables to Nftables in CentOS 8
iptables to nftables Although Ansible provides support for managing firewall rules via module, I still find initial …
17 Jan 2019
1 minutes read
ScreenFetch in RHEL 8
Look what I have finally installed in one of my VirtualBox 6.0 virtual machines yesterday: screenfetch in RHEL8 Yes, you …
08 Jan 2019
3 minutes read
GitHub: Private Repositories Are Free Now
GitHub Octocat Good news, everyone! Starting yesterday, GitHub allows free accounts to have unlimited number of private …
24 Nov 2014
2 minutes read
How to Change Tmux Meta Key to a Better One
The tmux tool, or the terminal multiplexer, is great for allowing you to run multiple terminals side by side. …
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 …