Ubuntu - Mount Qcow2 Image

Sometimes things go wrong and you need to access the files stored on your qcow2 disk images from the host directly, rather than through the VM that uses it (such as in cases where the VM doesn't boot). This tutorial will show you how to mount your qcow2 disk images…

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Set MySQL Timezone

The timezone used in MySQL may not necessarily match up with whatever your host is set up to use. It's best to explicitly set the default that you want, and this can be important in preventing confusion in tools such as Zoneminder where timestamps of events are very important. This…

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Video Talk - NFS-Ganesha

I'm looking into NFS Ganesha in order to provide a highly available NFSv4 backend as a solution for something I'm working on. Below is discussion on what NFS Ganesha is, and how it integrates with GlusterFS. 00:00 Introductions. 00:21 What is Ganesh? 00:25 Ganesh runs entirely in…

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Rancher - Deploying A Load Balancer

If you're like me then you have a lot of services that are web-apps that run on port 80. It would be lame if we had to add a host to Rancher for every web application so that we had an IP on port 80 free to give to the…

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Rancher Tutorial Map

Below is a map of the tutorials I've made available for Rancher. As more become available, I will be sure to add them to this map. There are many different possible configurations/combinations that you may wish to choose from with setting up your cluster(s), hence why a map…

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Rancher - Add A Custom Host

In this tutorial, we are going to add a docker host for our Rancher server to manage. This means that you need another server or virtual machine, but do not install docker on it just yet. After setting up rancher, and configuring authentication, you will see a teal prompt at…

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Rancher - Configure Local Access Control

After a fresh Rancher installation, there is no authentication in place, meaning your system is wide-open for anyone to abuse. This tutorial will show you how to set up the most basic/easiest authentication system with just setting up a local username and password. Steps Click on Admin in the…

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Deploy Rancher On Ubuntu 16.04

Rancher is a powerful web-based management tool for managing docker containers across any number of docker hosts. The best part is that it is simple to deploy through docker as I will show you below. Visit the Rancher website or their Vimeo page for more info about Rancher. Requirements Rancher…

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Create Swap File

It's often necessary to add swap to a server, especially with a virtual private server with doesn't come with any. This tutorial will show you how to add a file to your system to act as swap. If you don't have any swap, then your processes will be killed off…

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Firefox - Change Number Of Content Processes

It turns out that you can choose the number of processes that Firefox will use for managing all of your tabs. This is much more efficient in terms of resources than using one process per tab like chrome. Related Posts Firefox - Check Multiprocessing Support Steps Go to about:config…

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