Using launchd to bump max files - similar to sysctl on linux

Docker likes very large qcow2 files

Moving from rbenv to chruby

jetbrains apps can only connect to heroku postgres if you disable ssl certificate validation

Game center hanging on login - how to work around it

How to deal with upgrading a database after upgrading the engine

First time with a managed switch at home

Migration from wheezy to jessie and a package I use is no longer available

Handy aliases for switching between java versions.

How to wipe a fusion drive and then when it has become two partitions - rebuild it back to a fusion drive

ssmtp failing to login to gmail for one machine - replacing with postfix null client

ssmtp suddenly isn't able to get a valid authentication from gmail