scale jitsi - make videochat more efficient

I run a jitsi installation - like described previous - that gets used more and more. I had to learn that jitsi does not only use peer-to-peer communication, that all is done also in parts via the server. The initial statement that you can happily run it on small scale…

change docker defaults

Some of my environments are docker based. The filesystem layout mostly does not fit to the docker default of using /var/lib/docker to store all data-intense information. As I learned now a second time how to change the settings in CentOS without having problems during updates and avoid manual…

Declaration of mindfulness

We will create a civilization of the Mind in Cyberspace. May it be more humane and fair than the world your governments have made before.John Barlow, 1996 Davos This bold statement is from a time where the people that used the Internet needed some technical knowledge to enter the…

(system) mails via sendgrid

When you run multiple servers it might happen that you have one - or multiple - that run local jobs. In addition those jobs might need to mail results somewhere. Or you have software that wants to send our e-mails - or you want that this software does, like the…

My presentation tool-set

It happens that I need to prepare some slides, for meetings or training sessions. What I did not like to use for that kind of task - PowerPoint or Keynote. While Keynote is not that hated, I do not want to mess with design or the visuals of my presentation.…

All in - All SSL (Secure Graylog)

If possible, make your environment as secure as possible - making even the internal applications secure as possible. You never know. The best solution, write down what you have and research how to make that as secure as possible. I want my Graylog to use only secured connections to each…

How Zerotier changed my (Home)Lab

In the past, my home lab runs on the famous intel nuc. It has aged well over the last 3 years and is still incredible. But the load of the virtual infrastructure becomes more as it does not run only my Graylog Setup, but also the Minecraft server, the UniFi…