Here it is, a small and simple example on how to created presigned URLs for AWS S3 objects. #!/usr/bin/python import boto import argparse parser = argparse.ArgumentParser(description=’Generate an S3 signed URL‘) parser.add_argument(‚bucket‘, help=’bucket name‘) parser.add_argument(‚key‘, help=’prefix/key‘) parser.add_argument(’seconds‘, type=int, help=’time in seconds until…

I recently stumbled upon Netflix Vector, a nice tool for deep insights in system performance counters at high resolution. It is based on PCP (http://pcp.io) for metrics collection which I wanted to have as RPM in version >= 3.10. Since…

Python is my way to go and the cx_Oracle module helps getting in contact with an Oracle database. While it is relatively easy to install it on my OS X, it is a bit harder on Debian.

Schöne Geräte brauchen entweder schöne Hüllen oder gar keine!

I use PC Engines Alix boards as VPN Appliances intended to connect some branch offices. They are rock solid, work for years without any problem and bring the flexibility one needs to implement all the nice stuff. 3x Lan Interface,…

Some days before, a new button raised in my AWS Console, simply named „AWS“. It contains a nice Tag Editor allowing you to find resources and tag them (but you shouldn’t do this by hand, automate it!). From my point of…

Pip doesn’t have any build-in feature to update all installed packages to their latest version. Python-tools can help you here: pip install pip-tools pip-review –interactive  

Running in a cloud always means some changes in mind in comarison to a static datacenter environment. Especially if you think about security and m2m trusts. Amazon AWS has some great features like IAM Roles to handle this in a…

Wen hat es nicht schon ein mal genervt. Es gibt keine einfache Möglichkeit, das Netzwerkprofil (öffentlich/privat/domäne) über die Konsole zu setzen. Recht fix geht es hingegen mit folgenden Powershell Schnipseln: http://blog.ppedv.de/post/2014/08/05/windows-server-2012-r2-netzwerk-profil-mit-powershell-von-ffentlich-auf-privat-ndern.aspx

I recently needed to send some custom metrics to AWS Cloudwatch. This is no rocket science but a lightweight example may safe some time implementing it.