Elasticsearch discovery with the Cloud-AWS plugin
The Amazon Web Service (AWS) Cloud plugin uses the AWS API for unicast discovery.
Correctly upgrading your Python application with SaltStack
If you work with Python applications or deal with configuration management in general, you might have run into limitations with the pip tool. Unfortunately, their implementation of upgrade doesn’t really perform an “upgrade” as most people would think. If you are frustrated familiar with SaltStack’s pip state not upgrading already installed packages when you run…
Salt-Cloud – Executing an auto high-state
Saltstack now includes the wonderful salt-cloud tool by default. This tools allows you to easily provision virtual machines with a multitude of Cloud providers. One issue with it though, is that you have to run a second command to execute a high-state. While this might seem like a trivial task, it adds complication when you…
SaltStack and Debconfmod
Saltstack does a great job of installing packages. Unfortunately for Devops practitioners in the Debian/Ubuntu world, there is this wonderful addition to package management called debconf. When packages are being installed, debconf asks the user questions which determine the contents of the system-wide configuration files associated with that package. This is great for my friends…
Generating entropy on headless server while creating GPG key
Part of creating a GPG key pair is generating a certain amount of random bytes to get enough entropy. The command itself suggests the following: We need to generate a lot of random bytes. It is a good idea to perform some other action (type on the keyboard, move the mouse, utilize the disks) during…
Automatically Mount Network Shares on Mac When Waking from Sleep
I use my Macbook Pro at the office and at home and at each location I have network storage that I want to have easily accessible. And since I only put my laptop to sleep and not turning it off, having that storage automatically available is an even bigger pain. Thankfully a gentleman created SleepWatcher.…
Loading HP B120i/B320i Device Drivers
Because I don’t do it enough to remember. I will finally take note of it here and save myself some Googling time. HP ProLiant Gen8 Servers – Loading B120i/B320i Driver for CentOS 6.3 Installation Information There is no driver download available for CentOS 6.3 installation on ProLiant Gen8 Servers using Smart Array B120i/B320i storage controller.…
Bind Lighttpd to multiple IPs/Domains
I have an internal development server that runs on multiple network interfaces and at times, has multiple DNS entries to the same site. Out of the box, Lighttpd does not support this, but its relatively simple to configure. In your lighttpd.conf, (In my example, I am changing the default server port to 8080.) ## bind…
VIM: Set filetype for different extensions
I love VIM. It is my primary editor for nearly all text processing and my programming. But sometimes configuring Vim can be a pain in the ass. Specifically, I have some html templates for an application I am writing using bottle.py. A wonderful micro web framework if you are looking. An entire framework in a…
Java Play! Ebean/JPA notation not displaying in Scala template
As an aspiring Java/Web Developer, I have recently started playing around with the new Java Web Framework, Play!. So far it has been very nice. It is modeled after the Rails platform and offers some nice feature and seems to have garnered a significant amount of support from the Java community. One problem that has…