So this is kinda random, but I needed a template to make these checks work with GnuCash. So if some other lazy soul wants to use it, here it is 🙂
Through some Google-fu and some other great tutorials, I’ve successfully setup a groups of Redis machines with automatic failover detection via keepalived and sentinel. This sounds mundane, but lets you setup another layer of protection for your Redis cluster without lots of extra configuration.
Not too long ago in the Linux world, firewall rules were complex. iptables did its job very well, but managing rules was daunting for a newcomer. Debian 9 introduces some changes that make it pretty simple to add a firewall rule.
This is something that I think is pretty slick in Symfony. With 3.3, Symfony introduced the idea of autowired services. Basically, you just put a type hint for what you need and the container injects the correct service as if by magic. You can take advantage of this in some more unusual places that aren’t immediately apparent after reading the documentation.
Today, The Storehouse experienced an outage that lasted approximately 12 hours. This was caused due to updates performed late the night before and services restarting during that process.