If you use a central logserver built using rsyslog, and your machines are configured in order to send the logs to this logserver using TCP and SSL, and you get this error (at least on CentOS 7):
How to execute a bash script when you log in to GNOME.
When testing things, like in the QA Fedora team, sometimes could be useful the creation of a Fedora iso. This post is about live-media-creator. I mean, for instance, think to anaconda: a new version land on koji, or in updates-testing repository, and you want to test it as soon as possible, without having to wait for a new compose (that is a nightly build).