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Alpine Linux Stateful Firewall

  • 2 min read

A small consumer router/firewall doesn’t cut it anymore. For a little bit more money you can have a much higher performing router that you control. To me, nothing beats the complete control of running your own firewall config and being able to handle and shape traffic as you please.

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FreeBSD 10 make.conf

  • ~1 min read

The make.conf is an especially useful file on FreeBSD. It allows the system administration to change the overall defaults when compiling software on FreeBSD. For example, if you never want to compile any library that is linked to or requires X11, you can set WITHOUT_X11=YES.

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FreeBSD 10 Jails

  • 2 min read

These are essentially my notes for working with FreeBSD Jails. I tend to do things the way of the FreeBSD handbook.

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Expand FreeBSD VMDK

  • 1 min read

Your FreeBSD servers have been in production for a while, you do a good job with your capacity planning but one of your VMs is running out of space. It is time to grow the VM a little bit, say from 16GB to 40GB.

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Cluster SSH Key Setup

  • ~1 min read

So you want to setup an HA cluster, lets say a real simple one using UCARP. Now that you have your cluster online, every time you SSH to the virtual IP you may or may not connect to the same host. SSH has security features in place to warn you if you are connecting to the same host/IP that has a different key than what was recorded the first time. This is a fantastic safeguard, but we need to explain to our machine that we know these machines behind this one IP are in a cluster.

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FreeBSD ddclient with Namecheap

  • ~1 min read
  1. Install ddclient: pkg install ddclient
  2. Enable ddclient on startup: sysrc ddclient_enable="YES"
  3. Open /usr/local/etc/ddclient.conf with your favorite editor.

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