Upgrade from Debian Jessie to Stretch
The Problem: I was running Debian Jessie (debian 8) and the package I needed to install was in debian testing repo. So I added testing repo and installed the package (libsnappy1v5) and I got scold by my super sysadmin boss: “Naoko, don’t make a FrankenDebian!” The Solution: The package I needed is now available in Stretch (debian 9) stable so I need to upgrade to it. First, I need to remove testing repo I’ve added ...