Join Ubuntu 14.04 to Active Directory Domain using realmd
This proved to be a difficult task. I spent several hours scouring the internet for various bugs in this process to little avail. I’m going to summarize what I did to actually get this puppy up and...
View ArticleAWS: Use instance role credentials to query ec2 API
I was having some issues including a token in v4 signing requests using the ec2 query API. With the help of the excellent AWS support, I know have a working example based on the documentation provided...
View ArticleDeploying Apache Virtual Hosts using Puppet on CentOS 6
Scaling a website to serve thousands or even tens of thousands of users simultaneously is a challenge often best tackled by horizontal scaling – distributing workloads across dozens or even hundreds of...
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openvswitch GRE over IPv6 on CentOS 7
At my day job, I help maintain a series of network checks that need to run in parallel. Currently, we use one small VM to run each process. At first, this was a fine arrangement, as there were only a...
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Building and Installing the latest kernel on CentOS 7
The linux kernel is a constantly developing piece of software; new features and drivers are being added all the time. Fortunately for administrators, the system call API is very stable, so using a...
View ArticleHow To Write a Python Web Framework From Scratch
In recent years, Python has become a very popular web-programming language. Unlike PHP, how to go about writing a web application is a little less straight forward in Python. Most administrators are...
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Deploying OpenStack with OpenStack-Ansible
Deploying OpenStack with OpenStack-Ansible will have your organization running a production-ready OpenStack cloud in a matter of minutes. In this tutorial, I’m going to break down the steps of using...
View ArticleJoin Ubuntu 12.04LTS to Active Directory Domain
Preliminary Steps DNS must be configured properly. You should be able to ping “mydomain.xx” from the CLI and the host name must resolve. Generally speaking, entries in /etc/hosts are not sufficient....
View ArticleUbuntu 14.04 Web Server Tutorial
In this article, I’m going to be outlining the steps to install and configure a complete web server on a base install of Ubuntu 14.04 LTS server edition. Not only will you learn how to install a...
View ArticleModifying TP-Link TL-WN722N v2 driver
I recently purchased a TP-Link wifi dongle for my desktop. I have previously purchased TP-Link products and have enjoyed out of the box support. Unfortunately for me, the latest version (v2.1 or...
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