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…

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…

see the tree in the woods - github notifications and google mail

When you start working with Github you might be overwhelmed by all the notificiations that are suddenly in your inbox. It looks like every action that everyone does creates an e-mail that just floods you. Github themself already provide help with that topic in the github help center but you…

Working with Cisco ASA / Nexus on Graylog

It is hard to have a working centralized logging environment when you run network devices. Every vendor has his own version and understanding of syslog. Additional most did not speak any kind of structured log format. Some speak some binary format. With that knowledge and the wish to include Cisco…