Category Archives: Sysadmin

gitblit: Apache as frontend for x509 client authentication

It took us a long journey to finally come to the point where we decided to add a git repository server to our existing subversion source control infrastructure. The journey was quite long mostly due to the fact that both the development and management tools for git were just not good enough – at least Continue Reading →

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Debian wheezy & umask for sftp

There are a lot of conflicting and incomplete postings on the web about how to get the simple task of giving sftp (only) users a reasonable umask. Now in Debian wheezy (and probably any box running OpenSSH >= 5.5), the solution is very simple: View the code on Gist. So as you see, the trick Continue Reading →

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[repost] Howto Exclude Files From Wildcard Matches In bash

preface: This is a repost of an article I wrote more than ten years ago on our company homepage. Despite its age, the page still receives huge amounts of traffic and so I am reposting it here on my blog because the original article will vanish from our official company homepage soon. Imagine you have Continue Reading →

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[repost] How To Repair Corrupt tar Archives

[update]:¬†there is a follow up article with a more efficient solution. You can find it here¬†http://riaschissl.bestsolution.at/2015/03/repair-corrupt-tar-archives-the-better-way/ preface: This is a repost of an article I wrote more than ten years ago on our company homepage. Despite its age, the page still receives huge amounts of traffic and so I am reposting it here on my Continue Reading →

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factory reset a Canon MF8330cdn

In a perfect world, you buy things, you work with those things and if they break, you can repair them. In reality, hardware vendors in particular make it quite difficult to repair things. I met one of those issues today. After playing with my network infrastructure at home, it needed to adjust the network settings Continue Reading →

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