User Data for automated RancherOS instances
April 27, 2016
There are a lot of container management services poping up these days and right now Rancher is my choice in solutions (for the moment). One of the coolest accessories to go with this container ranch is RancherOS. The OS is purpose built to do nothing but Docker and, in fact, runs the few required system services in Docker as well. Comming in at a massive 27MB (For v0.4), it’s a perfect choice to run in AWS under something like spot instances and autoscaling. However, if you’re properly autoscaling — you need a way for your new hosts to join the RancherOS cluster… which is where user data (aka cloud-init) comes in.
Backing up/Migrating PuTTY
June 10, 2010
If you regularly use SSH/Telnet from Windows, you probably use PuTTY. If you don’t use PuTTY, you either should, or your paying too much. Anyways, if you use it a fair amount you probably have saved sessions. While PuTTY doesn’t have an internal mechanism for backing up these settings, it turns out it is very easy. All the settings are stored in the registry. There are two easy methods if you want to back them up (which is always good to do). Afterward you can reload them onto another machine, should you need/desire to do so: