Logbook
How to talk SMTP over TLS from your command line.
Short note for myself and anybody who might need it. To open up a TLS encrypted SMTP session to a mail server from the command line, you can use the following command: openssl s_client -connect smtp.ono.at:25 -starttls smtp
OpenVZ IPv6 Configuration
I have not found any recommentation to configure IPv6 for Debian/Lenny OpenVZ hosts. The OpenVZ project always lacks a bit of documentation when it comes to v6, so here is how you get it working with venet devices. Add the following to your /etc/sysctl.conf to enable IPv6 package forwarding and proxy neighbor discovery (RFC 4389). [...]
Removing old system users
The following is a small script to get a list of users that didn’t login for a given period of time. I wrote it for the Fedora Infrastructure Team to get an overview of which shell accounts haven’t been used in the last 6 month. Change the “format” variable, if you want to use it [...]
ASA – Agile System Administration
In the last few weeks I pondered a lot about how to adapt SCRUM or another agile method to a team of sysadmins. How agile methods could be of use to us Sysadmins. So I was very pleased when I read the article about Agile System Administration [ASA] in the current issue of the German [...]