Volker Diels-Grabsch

wwan-helper is a script that establishes a UMTS connection using a Ericsson F3507g Mobile Broadband Module. It was designed to be used with a ThinkPad T420s. It takes care of resetting and reinitializing the modem if the hardware fails to get a WWAN connection, and retries as often as necessary until the UMTS connection is really established. It is meant to run as a hook script for the ifup /…

Jul 11, 2013 · Volker Diels-Grabsch

Fingerprint

Print your GPG key fingerprint with LaTeX, and be better prepared for the next key signing party!

May 15, 2013 · Volker Diels-Grabsch

Bitcoinproof

Bitcoinproof creates a forgery-proof timestamp for your data, secured by the Bitcoin network. It allows you to prove that a certain event happened before a certain point in time. Maybe you want to prove that the damage in your flat already existed when you moved in, or that you were in possession of a great artwork before it was published, proving you are the author.

Mar 30, 2013 · Volker Diels-Grabsch

Kvmhosting

Script to manage KVM-based hosting, powered entirely by XSLT

Nov 21, 2012 · Volker Diels-Grabsch

Shasplit

Efficient backups by SHA-based data splitting: Shasplit takes a large data block, splits it into smaller parts, and puts those into an SHA-based content-addressed store. Reassembling those parts is a trivial "cat" invocation. Repeating parts (e.g. from previous split operations) are stored only once, which allows for efficient incremental backups of whole LVM snapshots via Rsync. Shasplit shows…

Oct 27, 2012 · Volker Diels-Grabsch