Since 2008, MD5 is considered broken. Consequently GnuTLS refuses signatures of certificates if they were made with MD5. That’s why since my latest Debian upgrade, msmtp, which uses libgnutls, has not been able to establish a checked TLS session with the SMTP server.

Some of my fellows here are working on the Web Of Things. Currently they are planing to setup a playground in the office of our group. For the gateways Dominique decided to use MicroClient Sr. machines, which are tiny VIA based ultra low power PCs. I suggested to boot and run them completely from the [...]

Finally I have found a good article about POSIX file access control lists. I have been trying to understand their usage by just reading the manual pages of setfacl and getfacl but I have always been missing the big picture. Now I got it.

Full disc encryption is something you definitely want to have. No need to worry about private data on a stolen or old hard disc. Everything is encrypted. And the performance penalties are arguable meaning that most user would not notice any difference.

The linux category will be about tools, applications and techniques I encounter on my work with the linux desktop and server. The main reason for me blogging this is that as time goes by I tend to forget names and details. In future I can look-up them here. And maybe others will find it interesting, [...]