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…

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…

factory defaults for Gigaset handset

Reset your Siemens Gigaset mobile handset to factory defaults is little complicate and you need to follow these steps exactly. turn off the mobile handset press 1,4,7 at the same time and hold them turn the device on (while still press 1,4,7) if you see "…

function of the day

I love the simple solution and the open to glue something together that just works without learning to much that is after a few days lost again. Maybe that is the reason I prefer to use linux and the ability to glue those nice single purpose tools with a | together.…

update on xmpp / jabber

as a short update on the self hosted jabber post I like to add some more security related information. Various options are available to secure your site even more. Not all are useful, but some might have some impact. If you use IM Observatory to check the status of your…

modern selfhosted xmpp / jabber

I had my own jabber server running since a very long time. But, to be honest it was never my favorit. I had it just to have it ... the nerd problem. Short before I turned it off, I had a reason to look again at it. If you want to…

about graylog and logging

currently - as written on my about page - I'm working at Graylog, doing Support and Writing the Documentation most of my time. At our company blog, I had started a Back to Basic series where I describe how you can glue things together or better all that little details…

ubuntu 14.4. lts - rsyslog 8.20

Environment ubuntu 14.4 (LTS) rsyslog via ppa Story I had the need to use the new ability to create a JSON templates and send them over to a remote host. That's why I jumped from the default rsyslog to the latest stable version. With the following Template, I send…