When it not possible to reach a server you want to SSH to directly, you can make use of SSH’s built in capability to chain multiple commands. Suppose you have a network setup like in the image below. Firewalls or ACL’s prevent direct access to the ‘web server’ in network #2. In between is a […]

I gave an invited talk on this topic at LinuxTag 2013 in Berlin. I was originally asked to talk about "rsyslog vs. journal", but requested that a question mark is added: "rsyslog vs. journal?". This title much better reflects our current thinking in regard to the journal project.

I gave a talk on "rsyslog vs journal?" at LinuxTag 2013 in Berlin (slides an paper now available at "rsyslog vs. journal?" blog post). It was a great event, and I had quite some good discussions with rsyslog users. As it looks, the v7 config is very well received and many folks are moving toward that version.

har is the Hardware Activity Reporter. I’ve never seen it work, but it did help me solve a crucial performance issue.
I saw har’s output in an article written in 2001 by Frédéric Parienté, the tool’s author: