20 Feb 2019
2 minutes read
chown example
One of the most useful and powerful basic Unix commands, chown command allows you to change ownership of specified files and directories – change user or group owner.
Unix Tutorial - technical guides and how-tos on Linux/Unix and macOS
19 Feb 2019
3 minutes read
How To: List Files With SELinux Contexts
When running a SELinux based setup, it might be useful to know how to quickly inspect files and directories to confirm …
18 Feb 2019
5 minutes read
How To: Install VMware Tools in Ubuntu
I’m testing VMware Workstation 15 on my new laptop these days, and thought it’s a great opportunity to …
17 Feb 2019
3 minutes read
How To: Inspect SSH Key Fingerprints
As you can imagine, SSH keypairs – combinations of private and public keys – are vital elements of your digital identity …
16 Feb 2019
3 minutes read
Practical Programming: An Introduction to Computer Science Using Python
Yet another book on Python programming, I read it back in 2014 and must say – I was really impressed, as it’s …
15 Feb 2019
2 minutes read
Disable Portmapper in CentOS 7
If you don’t have any other network services running on your Linux system, you probably don’t need …
14 Feb 2019
2 minutes read
AWK Delimiter
Since awk field separator seems to be a rather popular search term on this blog, I’d like to expand on the topic …
13 Feb 2019
2 minutes read
Ignore SSL Errors in VMware PowerCLI
VMware Logo I have a few weeks left on a couple of the dedicated servers I’m no longer using, so I figured it …
12 Feb 2019
2 minutes read
Remove Unused Volumes in Docker
Docker Containers You can list unused volumes using the filtering option of docker volume ls command. Once these are …
11 Feb 2019
1 minutes read
Confirm Machine Architecture With Arch
If you’re looking to not just confiirm the architecture of the server you’re logged into but also to use …
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 …