Posted by yolau
What is the screen command?
First of all I will start by telling you what you can do using the “screen” command.
Many times as a linux sysadmin you will need to run multiple commands at once. You are probably doing this by opening multiple ssh sessions but there is a better way to do it !
Also [...]
Posted by yolau
Securing ssh access is extremely vital for any server. There are a few things that you can do to secure it. This article will cover one the basics.
The first this that I recommend doing is changing the ssh port. This will prevent a lot of login attempts from automatic scripts trying port 22. To do [...]
Posted by yolau
What is BFD?
BFD is a modular shell script for parsing applicable logs and checking for authentication failures. There is not much complexity or detail to BFD yet and likewise it is very straight-forward in its installation, configuration and usage. The reason behind BFD is very simple; the fact there is little to no authentication and [...]