I finally got tired of my old 802.11n Apple Airport Express(!) that has been serving the kitchen part of our house with an Internet connection for many years. Effectively it tops out at ~100Mbps speeds and has pretty poor range. It is being replaced by a Ubiquiti Unifi6 Lite access point. In preparation for this,… Continue reading Deploying a Ubiquiti Unifi appliance with Ansible
Category: Ansible
Test whether a git pull is needed from within a batch script
Just a quick hack I did to avoid having to sync a couple of scripts unnecessarily when deploying my load balancers. Underlying idea stolen from a post by Neil Mayhew on Stackoverflow. Shell session script: #!/bin/bash UPSTREAM=${1:-‘@{u}’} LOCAL=$(git rev-parse @) REMOTE=$(git rev-parse “$UPSTREAM”) BASE=$(git merge-base @ “$UPSTREAM”) if [ $LOCAL = $REMOTE ]; then GIT_STATUS=nochange… Continue reading Test whether a git pull is needed from within a batch script
Environment variables for services in a systemd-based system
My current config deployment automation project has required me to set up a dev/staging environment for my load balancers, since I don’t want to break stuff by deploying untested configurations. This environment is functionally identical to a single load balancer and can be used along with a hosts file on a client to not only… Continue reading Environment variables for services in a systemd-based system
Continuous Deployment of Load Balancer Configurations
I thought I’d describe some optimizations I’ve made to my load balancers at work, both for the good of the older me, and in case someone would benefit from some of my ideas. Background The load balancers are based on four software packages that integrate to create a powerful whole: Keepalive Daemon provides a common… Continue reading Continuous Deployment of Load Balancer Configurations