Administrator Blog

Aug 15

Geschmeidige Datenmigration zwischen MinIO-Services mithilfe des MinIO-Clients

In der Kubernetes-Landschaft unseres Kunden Contargo kommen mehrere Object-Storage-Services in Form von MinIO-Clustern zum Einsatz. Der Artikel beschreibt ein Kubernetes-Deployment des MinIO-Clients zur Unterstützung der Datenmigration zwischen zwei Object-Storages.

Jul 8

Go! Run! Go!

A small field report about replacing a bash script with a small golang program and develop it further to a "true" script in the context of gitlab ci. Comparing small aspects of bash scripts and with the equivalent constructs in go. Also mixed with some of my thoughts about scripting in general :)

Jul 12

Decentralized team passwords with Keepass and Syncthing

At synyx we constantly try to improve the quality of the work of the Operations team. We found we were missing certain security requirements. Although we were already using ssh-key-authentication for all our linux-servers, we still had some devices and assets lying around, that were (only) accessible with the vendor-assigned default credentials. Sadly it’s impossible to use key-authentication for all devices and some appliances don’t allow for creation of multiple personalized accounts with admin rights.

Feb 17

Welcome to Spring LDAP with SSL: The entrance is free

Some time ago we started to create our own intranet called OpenCoffee, which is a microservice landscape based on our own Spring Boot Starters, a service discovery and an OAuth2…

Mai 2

synyx at the OpenSource Datacenter Conference 2016 #OSDC

Last week we attended the Open Source Datacenter Conference #OSDC 2016 in Berlin. It offered great presentations about open source tools in relation to devops, automation, monitoring, communication, logging, continuous…

Feb 6

RANCID on Ubuntu 14.10

Just a quick one today… RANCID (Really Awesome New Cisco config Differ) is a software to monitor a routers software and hardware configuration, and to maintain history of configuration changes…

Jan 30

Running Proxmox VE 3.3 on a software RAID

During installation of Proxmox VE 3.3 (available here), you are only given the choice of what disk you want to use for the installation process, but not what disk layout…

Nov 6

Installing XenServer and Virtual Hosts in a Routed Network

A few days ago, we had to set up a XenServer Host, running on one of Hetzners dedicated servers. There are plenty of howto’s around, but since we happened to…

Sep 24

Wir ziehen um!

Ab Oktober finden Sie uns in unseren neuen Büroräumen in der Gartenstraße 67 in 76135 Karlsruhe. Unsere bisherigen Telefonnummern und Email-Adressen bleiben erhalten. Da ein Umzug natürlich auch mit logistischem…