I have spent years trying to work out how to bypass the fingerprint check when you start an SSH session to a new host. Finally, I have found it… and it’s easy.

Why would you want to… I know the reason the ssh command does not allow you to do this is for security reasons, but if you are monitoring a host from a list, and need to keep the list dynamic you don’t want to have to keep logging in and then setting up the keys for the first time. ssh-keyscan to the rescue. (more…)

The command line tools in Linux are very powerful, and as such come with a lot of options. For the most part, after the initial configuration of the system most of the options are not required except in ‘special’ circumstances. Here is an overview of what is available (in Fedora at least). (more…)