Building Monero from Source on the Raspberry Pi 3 B+ running Fedora 28

Posted on Sat 01 September 2018 in how-to

Monero is one of the better known crypto currencies (beside Bitcoin, obviously). The project provides builds for several distributions and architectures.

But there's one big issue with the Raspberry Pi 3 Model B+: It's ARMv8 core doesn't support aes natively, but the monero builds will require them.

Let's talk about …


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TICK tack TIG - telegraf, InfluxDB and Grana - A journey

Posted on Sat 05 May 2018 in monitoring

For years collectd in combination with monit has been my preferred monitoring stack when it came to my private systems. So we're talking about this webserver, my mailserver, a Raspberry Pi and so on.

There have been issues with that setup. monit has been quite noisy in some situations. My …


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collectd and rtorrent - gathering statistics from XMLRPC

Posted on Sat 17 February 2018 in how-to

Way back in 2014 I've written about a few collectd configurations. One of them was using various tools to manage rtorrent to gather information from rtorrent.

As one reader of this blog asked me about the scripts I wanted to release a simpler approach to gather the information from rtorrent …


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Encrypt your connections (and do it right)

Posted on Sun 31 December 2017 in how-to

After a few amazing days at the #34c3 in Leipzig with dozens of talks highlighting various aspects of IT and physical device security I'd like to share some ressources and config examples on how to encrypt your connections.

You may think that there's no need for this. Everyone should be …


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Microsoft SQL Server and collectd - what the heck?

Posted on Sun 10 December 2017 in how-to

You're running a Linux server, a webserver, maybe an application server? Everything is being monitored with collectd and the world is fine and peaceful. But wait a second! What about the database server? Sure enough PostgreSQL is your friend most times. But there are some cases where SQL Server is …


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Signing git commits with your GPG key

Posted on Mon 17 July 2017 in how-to

This one will be simple and short.

You're already using GPG to sign your emails?

Well, then simply sign your git commits as well!

To prepare this up globally 2 commands are enough:

git config --global user.email "you@example.org"
git config --global user.signingkey 00000000

If you want …


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Building RPM files of Atlassian software - the hard way

Posted on Sat 27 May 2017 in how-to

This article will tell you a little story of mine about building .rpm-files. Not the Red Hat Package Manager itself, the file format.

After switching from Debian derivates, especially Ubuntu, to CentOS Ive figured out that at some point I'll have to build my own packages. In the meantime there …


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New theme for this blog - keeping track of changes

Posted on Mon 20 March 2017 in erinnerungsfragmente.de

After quite some time it was time to give this blog a new layout. Droidstrap is a great theme, but I was looking for something more shiny, perfectly fitting on mobile devices and so on.

As I'm using Pelican, an open-source static site generator, there's a big community providing Plugins …


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