All Episodes

Listing all 56 episodes

CLI Monday: column and tr

Episode #36 - 2014-09-01 - 4 min
In this episode, we are going to review the column and translate commands. These two command are great at manipulating text, so as an example, we will look at converting log data into an easily read format.

ZFS on Linux (Part 1 of 2)

Episode #35 - 2014-08-25 - 12 min
In part one, of this two part episode, we are going to look at ZFS on Linux. I will cover the basics of what ZFS is, how to create and work with ZFS pools, along with how to recover from common failures modes.

CLI Monday: Python SimpleHTTPServer

Episode #34 - 2014-08-18 - 4 min
In this episode, I will show you a quick and easy way of serving web content via Pythons SimpleHTTPServer and http.server modules. This can be really useful for quickly sharing files, or testing website content, via a browser to systems on your network.

Git to Puppet Deployment Workflow

Episode #33 - 2014-08-15 - 8 min
In this episode, we will be looking at a Git to Puppet deployment workflow pattern. I want to cover how puppet code gets from your workstation, onto production servers, and the bits in between.

CLI Monday: history

Episode #32 - 2014-08-11 - 8 min
In this episode, we are going to cover command history. If you spend any amounts of time at the command prompt, being able to recall complex or obscure command options from the history, should result in a productivity boost.

Introduction to Docker

Episode #31 - 2014-07-28 - 16 min
In this episode, we are going to be looking at Docker. I have broken this episode into two sections. First, we will cover what Docker is at a high level and touch on the container workflow. Second, we will look at a live demo of Docker in action.

CLI Monday: lsof

Episode #30 - 2014-07-21 - 8 min
In this episode, I wanted to show you the lsof command. We are going to review several issues and how the lsof command can be used to troubleshoot what is going on.

Introduction to Amazon Web Services (AWS)

Episode #29 - 2014-07-19 - 9 min
In this episode, I wanted to give you an introduction to Amazon Web Services (commonly referred to as AWS). AWS is one of the premier cloud providers, which is drastically changing the way many think about IT. This introductory episode lays the foundation for more advanced AWS episodes to come.

CLI Monday: cat, grep, awk, sort, and uniq

Episode #28 - 2014-07-14 - 9 min
In this episode, I would like to show you a series of commands for reviewing log data, how to extract event counts from that data, and finally how to create sparklines from those counts. This can be extremely useful for pointing you in the right direction while troubleshooting issues.

LVM Linear vs Striped Logical Volumes

Episode #27 - 2014-07-08 - 16 min
In this episode, I wanted to look at the performance characteristics between linear and striped logical volumes using LVM. We will examine what is happening behind the scenes along with some preliminary benchmarks using an AWS i2.8xlarge instance with 8x800GB SSD disks, 244GB of RAM, and 32 virtual cores.