After working on this for a bit I wanted to make sure I posted this reminder for myself and others. Regex is a very powerful tool but the syntax is almost something of an art. I needed to identify strings of numbers between two colons. The following regex should look Read more…
It is HIGHLY recommended to try to find a way to use Security Onion as intended, with a passive (non-IP assigned) port for monitoring in a TAP configuration. Even so, sometimes a simple passive or tap port is just not going to cut it. One example of this is when Read more…
So you’re facing a system or security audit and you need to quickly print a list of accounts for the auditor as well as their statuses. Depending on your setup, this could be a trivial task. In other cases, especially with a passwd instance that doesn’t support the -a option, Read more…
When you run a removal command in Linux with the recursive and force options enabled (rm -rf *), you don't expect to get back a failure message. After all, YOU FORCED IT! However, it just so happens that even with force, you can encounter a situation where the list of Read more…
I needed to create a user, grant them super user sudo privileges, update user account passwords and expire them across a number of different servers so that the actual user could log in and be forced to change their password to a (hopefully) secure one after I was complete. Initially, Read more…
This is quite the little zinger from time to time so I thought I would jot down a quick post on it, mainly for my memory, and for anyone else who might be looking for a similar solution. For example, when you run the following, you could be required to Read more…
This is always a handy set of commands to have laying around. There are many sites that provide the same info, but I use it often enough that I thought I would put it up to have it handy for me as well. If you accidentally reset a bunch of Read more…