This is an article I originally wrote for Red Hat’s Enable Sysadmin. Nate Late on a tuesday afternoon, I had somewhere to be after work, that made driving all the way home and then back again a waste of time. So I was in my office late, killing some time, getting a little work done,…
Sysadmin Appreciation Day
This is an article I wrote for Red Hat’s Enable Sysadmin for Sysadmin Appreciation Day 2019. Enhoy!Nate Sysadmin appreciation day is coming, on July 26th you’ll have a chance to thank one of the least thanked people in your life, your local Sysadmin. In today’s connected world, it’s likely that you rely on a sysadmin…
Locking down sshd
SSH, or Secure SHell, is the way in which a modern linux system is managed. Most experienced sysadmins love the direct access and power they get from being able to securely connect to a shell on their systems with relative ease. SSH replaced Telnet somewhere in the 90’s as the remote access protocol of choice,…
So You Wanna Start A Podcast – BSides Delaware 2018
This is a presentation I made at BSides DE 2018 about my experience starting The Iron Sysadmin Podcast, and my YouTube channel SWBCrawler. Enjoy!
RHEL 8 Beta – The podman cometh
I’m working through poking the RHEL8 beta with a pointy stick. In reading through the release notes, and poking around yum, I found that docker is suspiciously missing. For a company so bent on Open Containers, I thought that was pretty odd. So I started to dig a bit. Turns out, containers aren’t gone, just…
Installing the proprietary NVIDIA drivers on Fedora 29
Check out the rest of this story here, if you’re looking for the full tale of woe. This is the final article in my story regarding start to finish, getting my Dell Inspiron from a fresh install of Fedora 29, to a functional laptop. It wasn’t easy. Mostly thanks to the NVIDIA 960M that the…
Fedora 29 – Discrete NVIDIA – Boot troubles
In my third article in this series, I’m going to talk a bit about the failure case I hit after installing Fedora 29 on my laptop, and how I was able to get to a command line to fix it. You can read the story up to this point in this article. To sum up…
Adding a local user, in Fedora 29’s Live environment
As I wrote in this article, I’ve recently gone through some trouble with Fedora 29 and my laptop. The first issue I ran into was, the installer, when launched from the LiveUSB for F29, doesn’t create a local user, or let you set roots password. So, the first step I had to take in fixing…
Discrete video adapters, in Fedora 29, you poor doomed soul
OK, so something posessed me to reinstall my perfectly functional Dell Inspiron 7559 with an Nvidia discrete 960m display adapter. I’ve been through this a few times, and every time it’s been a hassle. The Fedora project has made some changes recently that have made it even trickier. I just went through a fresh install,…
Migrating password hashes from Samba NT4 domain to Active Directory
It’s been a while since I’ve blogged about anything, but today we managed to solve a particularly important problem, that we were having trouble finding answers to, and I wanted to share it so that others might benefit. First, a little back story. We’re currently running a Samba 3 domain, on RHEL, which emulates an…