System & Network Admin

I will explain how to identify hard drive bottlenecks on Linux using various tools and commands, and what to look for when troubleshooting disk-related issues.

By default, bash is the most popular command language simply because it’s included in most *nix operating systems. Additionally, people don’t tend to spend a lot of time thinking about …

Life was simpler when everything your computer did was text-based. It is easy enough to shove data into one end of a pipe and take it out of the other. Sure, if the pipe extends across the network,…

A collection of powerful productivity tools all within an extendable launcher.

TextExpander is the most popular text replacement and shortcut app. Generate custom word, sentence, and paragraph text with keyboard shortcuts.

Buy Viking DLE-200B Two-Way Phone Line Simulator at vikingtelecomsolutions.com or call (877) 999-6186 for help.

Who doesn’t like dial-up internet? Even if those who survived the dial-up years are happy to be on broadband, and those who are still on dial-up wish that they weren’t, there’s de…

Open source query caching for PostgreSQL

ChatTCP is an TCP analysis application dedicated to simplifying the analysis of TCP, making it as easy as reading chat logs!

Interesting accounts to follow on Mastodon and the Fediverse

Interesting accounts to follow on Mastodon and the Fediverse

An unofficial guide to using Mastodon and the Fediverse

There are plenty of commands to choose from when you want to know how hard your disks are working or identify potential slowdowns.

Resolving a problem when the find utility produces binary output when you expect text

Learn how to use CNCF incubating project Buildpacks, an application definition, and image build to skip the Dockerfile step and increase developer productivity.

https://www.youtube.com/watch?v=AWjUN8ZiQUI&t=0s In this video, you will learn how to connect Zoom and OBS together. Connecting OBS to Zoom allows you to

A couple of simple scripts inspired by Dan Sturm.

You may want to launch a script or program on boot, but you don't see an option for it on Raspberry Pi OS. It's a question I often hear about, and the methods are not

[Michael Lynch]’s adventures in configuring Nix to automate fuzz testing is a lot of things all rolled into one. It’s not only a primer on fuzz testing (a method of finding bugs) but it…

The Intel Edison is an incredibly small and cheap x86 computing platform, and with that comes the obvious applications for robotics and wearable computing. [mz] had another idea: what if the Edison…

In computing, an inode (index node) is a data structure used to represent a file or directory. Each inode stores the attributes and disk location of the file’s data. Filesystems that support extended attributes use additional entries in the inode structure to store these attributes. There are two ways to get the inode number for …

An inode identifies the file and its attributes such as file size, owner, and so on. A unique inode number within the file system identifies each inode. But, why to delete file by an inode number? Sure, you can use rm command to delete file. Sometime accidentally you creates filename with control characters or characters […]

In the recent versions of Raspbian the SSH access is disabled by default but it can be easily enabled. In this tutorial, we'll show you how to enable SSH on a Raspberry Pi board.