System & Network Admin

Having Fun with Technology

Tree is a recursive directory listing program that produces a depth indented listing of files, which is colorized ala dircolors if the LS_COLORS environment variable

Arm SystemReady SR-compliant SOAFEE reference development platform based on Ampere Altra SoC consisting of COM-HPC-ALT Server type module with Ampere Altra 32/64/80 core SoC, COM-HPC Server type carrier board, 32/64/128GB DDR4 memory (optional) and 128GB NVMe storage, liquid cooling system (optional) and 750W PSU

In this article, we will cover the fundamentals of networking bridging and bonding, and how you can configure bridge and bonding interfaces on a Ubuntu system.

Containers, large language models (LLMs), and GPUs provide a foundation for developers to build services for what Nvidia CEO Jensen Huang describes as an "AI Factory."

Warp gives you the kind of IDE on your command line that you often assumed you would have, but you've never really had.

Imagine you could deploy multiple containers that all use the same data. With a bit of imagination, the sky's the limit for what you can do.

The Linux curl command can do a whole lot more than download files. Find out what curl is capable of, and when you should use it instead of wget.

Bob Hammell used a PyPortal to build a flight tracker that displays real-time flight data. Here’s more from Hackster.io: The script begins by first displaying an OpenSky splash image which is…

AnotterKiosk by GitHub user Manawyrm is “Another kiosk browser OS? Yes, this one is a little bit opinionated” The author ran several similar setups in production for years and has seen …

We have two ubuntu machines running docker + kubernetes and they need to access a windows share. The first one is setup in /etc/fstab : //dfs/Archive01 /mnt/dfs cifs rw,cred=/etc/cifspasswd,forceuid,

I have modified the sound track of a 360 video using openshot. The output has lost the 360 metadata tags. I am trying to use ffmpeg to replace them with the following command ffmpeg.exe -i input.m...

I have been trying to understand how to add some additional metadata to a MP4 file. I understand how to add metadata, like this: ffmpeg -i bb.mp4 -metadata title="my title" bb2.mp4 But w...

Other Posts Part I – JSON, Objects and Arrays Part II – The jq Command Part IV (upcoming) Simple Filters In this section we introduce the most-frequently used feature of jq: the filter.…

Other Posts Part I – JSON, Objects and Arrays Part III – Filters jq This section introduces you to the jq command, starting with the simplest possible commands as well as a brief look a…

Other Posts Part II – The jq Command Part III – Filters Introduction This jq series has been written to help users to get to a deeper understanding and proficiency in jq. It doesn’t aim…

Which tedious tasks do you perform each day? Check out this list of tasks you can automate to save time and move onto more important things.

Epoch and unix timestamp converter for developers. Date and time function syntax reference for various programming languages.

UNIX and Linux are two closely-linked operating systems that have defined modern-day computing. Learn what makes each of them unique today.

In this article, you will learn the list of best terminal emulators available for Linux, along with screenshots and installation instructions.

Learn how to find and delete duplicate files in Linux using rdfind, fdupes, and rmlint command line tools, as well as using GUI tools DupeGuru and FSlint.

The enormous amount of IPv6 addresses available to most commercially hosted VPS / root servers with a public IPv6 prefix allows you to route a public IPv6 address to every container that is running on your server. This tutorial shows you how to do that, even if you have no prior experience with routing, StepContinue reading →

I’ve had a Raspberry Pi 4B sitting in my cabinet for a few months now. I dusted it off and realized that the SD card was busted. Got a replacement 64GB U3 A2 card and got it up and running with Ubuntu server. The primary intended use was to run docker with DB containers that I use for my side projects such as Postgres/MySQL/MongoDB. My current home network consists of several routers for WiFi reachability.

Pi-hole is a DNS-level ad and tracker blocker that works on all of your devices with no additional changes.