Category Archives: Tech topics

Sharpening scanned barcodes

Posted on March 13, 2011 by kaufman

A venerable barcode-decoder is not working so well anymore. We have a backlog of thousands of images that failed the decoder – but there ought to be an open-source app for that, right? As a matter of fact, there is. … Continue reading →

Posted in Tech topics | Leave a comment

cpan, passive FTP, and sudo

Posted on May 13, 2010 by kaufman

Here’s a bit of fun that kept me confused for months! cpan is a useful little tool for downloading and installing Perl modules from cpan.org. In my work I often reach out for Perl modules, and I frequently use cpan … Continue reading →

Posted in Tech topics | 2 Comments

Improving on the Auto-connecting Cisco VPN

Posted on May 11, 2010 by kaufman

In my first post in this series I described an auto-connecting setup for Cisco VPNs using OpenWRT and vpnc, and in my second post I showed the details of how I did it. To wrap it up, here are some … Continue reading →

Posted in OpenWRT | Leave a comment

How to auto-connect a Cisco VPN with OpenWRT

Posted on May 6, 2010 by kaufman

In my last post I outlined a design for auto-connecting Cisco VPNs using OpenWRT and the vpnc client. In this post I’ll share the code, and highlight a couple of details. Finally, in my next post, I’ll share some thoughts … Continue reading →

Posted in OpenWRT | Leave a comment

Auto-connecting Cisco VPN for OpenWRT

Posted on May 4, 2010 by kaufman

vpnc is an open source client for Cisco VPNs, which is pretty widely used. It’s intended as a user-driven interface: user decides to connect, user runs vpnc (or one of the many GUI wrappers around it) to connect, user uses … Continue reading →

Posted in OpenWRT | Leave a comment