KrazyWorks | Monthly Archive

The Future of Spaghetti Code

August 18, 2018 – 4:20 pm

In his new book “The Future of Work: Robotics, AI, and Automation”1, Darrell West of the Brookings Institution makes some very extravagant predictions. Here’s a short but entirely sufficient summary from the book’s presentation by …

AWS CLI Cheat Sheet

August 14, 2018 – 4:18 pm

The installation and configuration process for AWS CLI is fairly simple. The package itself is installed with pip (yum -y install python-pip):

Copying X11 Magic Cookies

August 10, 2018 – 4:17 pm

I rarely use GUIs, but when I do, it’s from CLI and every time I run into the annoying MIT-MAGIC-COOKIE-1 data did not match error. It’s easy to fix, but it happens to me so …

Verify Network Port Access

August 8, 2018 – 4:15 pm

There are several tools you can use to verify access to a remote network port: nc, tcping, telnet. Unfortunately, nc from the netcat package has been replaced by the one from nmap, which lacks the -z option, making …

Deleting Hidden Files

August 7, 2018 – 4:14 pm

This simplest of problems just never fails to find a new victim. For whatever reason you want to delete all hidden files in the current directory and subfolders. Without much thinking you just type rm …

Quickly Grow tmpfs filesystem

August 6, 2018 – 4:13 pm

Just a quick command to double the size of the /tmp filesystem that uses tmpfs. This is for those situations when you can’t be bothered to think.

Late Night Rant: Agile Apps

August 5, 2018 – 4:11 pm

While we’re still in the middle of a pandemic, rules about going out have loosened up. But experts agree that the best way to protect yourself is to limit your interactions with other people. If …

Duck Duck Go Search from Shell

August 5, 2018 – 4:10 pm

The ddgr python script is a command line interface for Duck Duck Go – a privacy-oriented search engine that, unlike Google, will not give away your data to the likes of Cambridge Analytica. In the …

Document Conversion with Unoconv

August 4, 2018 – 4:08 pm

The other day I ran into the “Flexible Import/Export” article by Bruce Byfield in the March 2018 issue of Linux Pro Magazine and thought it could use some more detail. So here’s some more detail.

How Not to Prepare for a SysAdmin Interview

August 2, 2018 – 4:06 pm

The Linux Foundation just gave birth to seven supposedly interesting tips on how to prepare for a Linux SysAdmin job interview. Unfortunately, the research behind all this probably excellent advice was based on interviewing hiring …

Obfuscating Shell Scripts

August 1, 2018 – 4:04 pm

Unix shell scripting language is run by the command-line interpreter and, as such, can be read and understood by anyone with sufficient access and experience. Sometimes this is not a good thing. Sometimes you want …