Recently I’ve been focusing on something I’ve overlooked for too long- monitoring. I wanted to share a quick guide on monitoring Debian / Ubuntu with SNMPv3 and PRTG as I couldn’t find any high level,
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Clean Up a Full Ubuntu ‘/boot’ Partition
If the /boot partition fills to 100% you’ll likely find yourself stuck in a loop. In order to remove old Linux kernels and free space you will likely first need to install dependencies, but to
Read moreSetup PowerDNS and Poweradmin on Ubuntu with MySQL Backend
PowerDNS and Poweradmin can be combined to create a simple, lightweight and easy to manage authoritative DNS server. These instructions have been tested on Ubuntu LTS releases 14.04 and 16.04. This guide assumes you have
Read moreSetup OpenVPN Client on Ubuntu
I was recently setting up some AWS EC2 instances for lab redundancy and decided to create a VPN tunnel straight to my homelab for a bit of extra security. Thankfully, clients are much more simple
Read moreSetup MySQL Server on Ubuntu 16.04
Here’s a quick guide to setting up the popular database server MySQL on Ubuntu 16.04. Install MySQL Update repositories sudo apt-get update Install MySQL sudo apt-get install mysql-server Enter a root password when prompted
Read moreSetup phpMyAdmin on Ubuntu 16.04 with Nginx and a Remote MySQL Server
I’ve been rebuilding my lab recently, most notably breaking down my LXD stack into individual Ubuntu virtual machines for each service. One thing I always meant to do but never got around to figuring out
Read moreUpgrading Ubuntu Release from 14.04 to 16.04
What are we doing? Upgrading the release of Ubuntu containers in LXD Overcoming Error: “Must be connected to terminal” How? After Ubuntu 16.04LTS was released I was rolling out upgrades to 14.04LTS installs
Read moreLXD Container Rename
What are we doing? Renaming containers in LXD Why? Because OCD means we like functional naming conventions. How? I had an issue recently whereby I wanted to build a container to mirror
Read moreSetup Postfix Sender Dependent Relay Hosts on Ubuntu
What are we doing? Setting up Multiple sender_dependent_relayhost_maps in Postfix Why? The sender_dependent_relayhost_maps flag allows mail from different hostnames to be sent via different relays. For example, I relay mail for one particular
Read moreSetup Postfix to Relay to Google Mail with TLS and smtp auth
What are we doing? Configuring Postfix to use Google Mail as an SMTP relay Why? Running a send only SMTP server is useful for automating password recovery, account signup etc, but keeping mail
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