29 May 2008
1 minutes read
Get Username From UID in Unix
Finding out the username by user id (uid) in Unix is not as common a task as determining the uid by a username, but if …
Unix
07 May 2008
3 minutes read
Using Variables in Unix Shell Scripts
Any Unix shell script longer than a line will most likely involve using variables. Variables are used to store temporary …
15 Jan 2008
4 minutes read
Unix Sockets Tutorial
I’ve noticed how many people found other pages of this blog trying to find more information about Unix sockets, …
02 Jan 2008
2 minutes read
Find Compiler Version in Unix
Finding the compiler version in your Unix system should be the first step before you attempt to compile any package from …
14 Dec 2007
1 minutes read
How to Take a Screenshot in Unix (Xwd)
Quite often there’s a need for you to take a screenshot of your Unix desktop, and as always there’s a number …
08 Nov 2007
2 minutes read
Perl: Searching Through Directory Trees
I had a need to scan a huge directory tree today, identifying the users and Unix groups owning all the files. The …
25 Sep 2007
5 minutes read
Unix File Types
In Unix systems, there are 6 file types. Below I will give a very short description of each. How to find out the type of …
11 Sep 2007
1 minutes read
URL File-Access Is Disabled in the Server Configuration
I’ve recently upgraded Apache and PHP on my VPS, and one of the unpleasant surprises was that some scripts which …
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 …