With the introduction of systemd came systemd-journal. The need of this new feature is obvious, an immutable journal of events - an uneditable system log which no hacker (or rogue sys admin) can wipe the traces of their access or any other tracks left behind. With this new feature we…
This is something I've done more than a few times and it always seems to take more time and energy than it should. There are so many choices on how to serve your data, what to use as an MTA and don't even get me started on delivery choices. In…
We all know how much fun it is to hate the folks that provide us internet service. My experience is probably much the same as others, speeds at less than a 10th of what I pay for, service windows that require missing an entire day of work, off shore call…
Ok, so not so much profit in this post but if you are able to get this working properly you could save a bundle of money for your business and home networks and perhaps gain the experience to land a decent paying job. Pfsense [https://www.pfsense.com]is an…
I saw a post today on reddit where someone asked for help diagnosing a problem with their system that wouldn't boot. The error messages looked like this. Error reading block 128624319 (Input/output error). /dev/sda2: UNEXPECTED INCONSISTENCY: RUN fsck MANUALLY (i.e. without -a or -p options) fsck exited…
This post is for installing OpenVPN CE on Ubuntu 18.04. The instructions are for a brand new install of the OS so if you are following along on a server that has been up for a while, it will most likely still work but you may need to do…
First let me start out by letting you know that this is purely for my own benefit. I hate having to lookup things I set once and rarely use again so if this doesn't work for you or you find errors, understand this is what I did to get things…
In my previous post about installing and configuring fail2ban, I went over the installation and configuring it. I will now go over the handy tool, fail2ban-client, that comes with fail2ban. Sometimes fail2ban will block someone that has a legitimate need to login to the server or you want to ban…