Categories
Linux

How to fix Screen Sharing in KDE Neon Wayland Session

NOTE: This is no longer needed! ? KDE Neon have now rolled out the latest version of xdg-desktop-portal in the normal repo, which fixes the problem. Note the version is v1.14.1 and the repo is archive.neon.kde.org Old Guide: I’ve been testing the new Wayland session in KDE Neon, and it’s working pretty great, but one […]

Categories
Networking

Learn OSPF with Darrell Root’s OSPF tutorial videos

When trying to debug OSPF issues recently I found a set of excellent video tutorials from Darrell Root: https://www.youtube.com/c/DarrellRoot – I believe this is his website: https://networkmom.net/CiscoHandsOnTraining/ He has a playlist of videos called Cisco Hands-On Training: https://www.youtube.com/playlist?list=PLueKg14298FzreJSTGtMFIGdu10GLnT6z I found his videos super helpful, and a very clear explanation of how OSPF works, and how […]

Categories
Linux Systems Administration

My Personal Nextcloud Setup

I run nextcloud on my home server. The primary purpose is for file sync, which I also use to back up my photos from my Android phone, and also I use the Notes app synchronised with my phone. Here’s a bottom-up description of the server setup. The Server Hardware The server is an old desktop […]

Categories
Linux Networking Programming

Trio Tutorial – Simple TCP Chat Program – Part 4

Series Part 1: https://jaytuckey.name/2021/07/22/trio-tutorial-simple-tcp-chat-program-part-1/ Part 2: https://jaytuckey.name/2021/07/24/trio-tutorial-simple-tcp-chat-program-part-2/ Part 3: https://jaytuckey.name/2021/07/24/trio-tutorial-simple-tcp-chat-program-part-3/ In part 4 we look into making the server handle disconnections without crashing. We also look into how me can make messages quicker to distribute. For this code we use the trio functionality to wait for limited time for a task to complete, by using […]

Categories
Linux Networking Programming

Trio Tutorial – Simple TCP Chat Program – Part 3

Series Part 1: https://jaytuckey.name/2021/07/22/trio-tutorial-simple-tcp-chat-program-part-1/ Part 2: https://jaytuckey.name/2021/07/24/trio-tutorial-simple-tcp-chat-program-part-2/ In part 3 we build more of the server. We build out the functionality to receive messages, then distribute them to all connected users. For this part we use Trio’s nurseries to start up new running tasks: https://trio.readthedocs.io/en/stable/reference-core.html#nurseries-and-spawning We use the nursery.start_soon() function to kick off new tasks […]

Categories
Linux Networking Programming

Trio Tutorial – Simple TCP Chat Program – Part 2

Series Part 1: https://jaytuckey.name/2021/07/22/trio-tutorial-simple-tcp-chat-program-part-1/ In part 2 we look at making a tool to assist with testing the TCP server we are building: We use the built-in python socket library in the testclient: https://docs.python.org/3/library/socket.html Got any questions? Contact me: https://jaytuckey.name/about/

Categories
Linux Networking Programming

Trio Tutorial – Simple TCP Chat Program – Part 1

I’ve made a video about making a simple TCP-based program using Python and Trio. The video is here: https://www.youtube.com/watch?v=6JM1hgjLV-A The features I plan to build are: each user has a long running tcp connection user is asked for name on connection user sends message each other connected user receives the message In part 1 we […]

Categories
Programming

Saving query parameters into the browser history, using Flask + HTMX

I’ve recently been using the htmx (https://htmx.org/) javascript library to make some simple Flask web applications I have made a bit more dynamic. The page is very simple, but contains a big table of data in the center. It has a form at the top of the page that allows you to write simple queries […]

Categories
Movies

Movie Thoughts / Review – Stowaway

I really enjoyed this movie! It had a solid mix of real science along with a better story than most movies. One aspect I enjoyed was that the characters didn’t spend excessive time explaining everything that occurred to the audience. The doctor, played by Anna Kendrick, makes a wrist brace for the crew commander. She […]

Categories
Linux Networking Systems Administration

Importing a LetsEncrypt Certificate Generated by acme.sh into a Fortigate Firewall Using CLI

These are some tips I’ve put together on how to create a certificate using acme.sh then import it into a FortiGate firewall for use on the SSL-VPN or similar. Getting the Certificate and Key file I won’t go into too much detail on this – just use the acme.sh documentation to get a key+certificate: https://acme.sh […]