Network-Wide Ad Blocking with Pi-Hole

The guys at Pi-hole have created an awesome little project that will do network-wide DNS ad blocking. No more ads, and no more installing adblock at home. The best part is that it forwards DNS to your local DNS server, so your local DNS stays in place unaffected. It's easy- just fire up a raspberry pi with raspbian or load it to a VM. The footprint is incredibly small- I gave it 1 CPU and 512MB memory and it hasn't affected my internet connection speed at all.
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Proxmox 3.x to Proxmox 4.x

I have a very simple Proxmox setup at home. No cluster (anymore), but I did have to convert from 3.x to 4.x to keep current. This means going from OpenVZ to LXC. In reality they are very similar, but it's more or less like changing out the hood on the car (from a sysadmin perspective). The basic theory behind the conversion is not to upgrade the current machine in place, but to do a side-by-side or blue/green deployment in order to retain any information about the old guest VMs and containers as well as keep a back out plan.
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Drupal Error 500 With A Correct Server Configuration in VirtualMin

This past week I migrated some sites that were originally on their own server to a cloud server running VirtualMin. After migrating the sites, everything seemed to be in place including the MySQL database, files, DNS, etc. However, I kept getting a 500 Internal Server Error when loading the site. To fix this, I had to change options in the .htaccess file for both the main site and the files directory (sites/default/files): Change Options +FollowSymLinks to # Options +FollowSymLinks Options +SymLinksIfOwnerMatch
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Enabling Clean URLs for Drupal in Ubuntu 14.04 LTS

Drupal is awesome, but without clean URLs it can make site configuration and menu setup exceedingly annoying.

In the newer versions of Ubuntu, the Apache config has changed just enough to make me re-do a bunch of stuff when setting up a new Drupal install. Here is the way I was able to enable Clean URLs from a base Ubuntu 14.04 LTS LAMP install:

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