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Graylog, and the Syslog Protocol, Explained

2021-02-19 9 min read Software Sysadmin stuff Tech Tech explained Teknikal_Domain Unable to load comment count

So if you’ve tried enterprise log management systems, you’ve likely heard of Syslog. If you haven’t, Syslog, is, well, a protocol designed to allow multiple hosts to send their system logs over the network to some other server where they can be analyzed and stored. It’s another one of those weird UDP protocols, and this one is actually stupid simple, even in both of the commonly used forms! Oh, we’ll also cover the one piece of software that I use that handles Syslog — Graylog, which by itself is also really cool.

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TDNET 2.0: the New Homelab (Part 1)

Part 1 of 2

A first for me, this post is going to come in two parts. This one will cover the tech behind everything, and the second will actually be a new network tour. I’ve finally finished one of the biggest, if not the biggest project I’ve undertaken in a while: overhauling pretty much my entire network.

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Publishing SSH Fingerprints in DNS

2021-02-06 4 min read Tech explained Teknikal_Domain Unable to load comment count

So here’s the thing about SSH: The first time you connect to a server, you have no real idea of if that’s legitimate or not, right? Well, you could compare the key fingerprint to the fingerprint that the server admin gave you and make sure they match, but nobody does that.

Well… there is a way. Using everyone’s favorite always-broken service, DNS.

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PGP (GPG) Explained

2021-02-02 6 min read Tech explained Privacy Teknikal_Domain Unable to load comment count

Pretty Good Privacy, or as it’s more commonly known as by its most popular client’s name, GNU Privacy Guard, is a method of encrypting and/or signing your messages using the power of public key cryptography. And, while it can get extremely complex, the basics of using PGP are, actually, pretty simple. So in the words of the great Angus Deveson, Let’s get started.

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Comparing IMAP and POP

2021-01-31 8 min read Tech Tech explained Teknikal_Domain Unable to load comment count

For those of you that have ever tried to setup email on your phone that’s more than just GMail, you’ve likely been asked how you want to access the account, either POP or IMAP, and were likely told the difference is that “IMAP keeps messages on the server.” Well, let’s go over the specific differences here, to actually give a more complete understanding of what each protocol is like.

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