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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 delivery and more.

I especially liked that the speakers felt like attendees themselves, with all of them being happy to answer tons of questions and openly discuss their (and other's) topics and presentations, creating a great atmosphere that felt like working with colleagues that have to solve the same issues and suffer the same pain 🙂

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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 by using CVS.

If you need more information about Rancid, you can take a look at their website.

Installing RANCID

Installing Rancid is easy:

root@[server]:/# apt-get install rancid

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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 you want to use. Now, there are several ways of installing Proxmox on a software RAID. One of them is to run through the standard installation process and add a software RAID afterwards, using mdadm.

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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 run into a few problems with routed networking and Domain Name Resolution during installation, that weren't documented in Hetzners Wiki, i decided to provide a blog post for self-reference and as a way to contribute a (hopefully helpful) basic guide on how to install XenServer on a dedicated server - in our Case a Hetzner Root Server.

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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 und organisatorischen Aufwand verbunden ist, bitten wir Sie um Verständnis, dass wir am 1. und 2. Oktober nur eingeschränkt erreichbar sind. Während dieser Zeit kann es auch vereinzelt zu Ausfällen unserer Services kommen. Ab Montag, dem 6. Oktober stehen wir wieder wie gewohnt für Sie zur Verfügung.

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As i told you in an earlier blogpost, we are getting ready to move into our new offices in a few weeks. So, the last few months were pretty busy for us - starting from scratch with an emply floor, we had to come up with a floor plan that would fit our office culture, design our infrastructure layout, comparing different hardware and vendors, obtain offers from several contractors, keep track on schedules and deadlines and frequently visit the construction site to check if everything will be build as we planned it.

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In my last blog post, i talked about all these little things you need to keep in mind when setting up a new or replace your current network infrastructure. I came up with that topic first, because in our case we are not only building a new data center, but we are also building a whole new office location. Providing a working network infrastructure to the office floor was crucial in our case, that's why we took care of that first.

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Welcome 2014! This year will be pretty big for us here at synyx - business has been doing well and in the last couple of years, we have been grown to, as of now, employ a dedicated team of almost 50 individuals. The downside though: We are quickly running out of office space. Guess what, it's time to move!

Our new office. In the faaaar back: Our CEO Thomas Kraft

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As some of you might already know, synyx provides their employees with an annual budget that we can spend on anything that helps us improve our job skills, such as professional literature, training or seminars and conferences. So, a few weeks ago, when a coworker mentioned the upcoming Open Source Data Center Conference in Nuremberg, we decided to sign up for it and go on an exciting adventure to improve our knowledge of the newest system administration technologies.

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This expands on the idea in the first part of this blog series.  We will still be working NIH style here - this time to improve the visuals, user-interface and information density.

The idea still is:  collect arbitrary information, stay small, display distilled information.  The goal is to learn more how to visualize things, and of course do it within the constraints mentioned in the previous blog entry.