1 Explanation: tar, cuz https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=819978
2 Explanation: kernel & btrfs-progs, because btrfs is getting a lot of active
3 Explanation: dev, and their mailing list says better to use recent version
4 Explanation: to avoid bugs. linux-base is needed for the kernel,
5 Explanation: which you can find out by failing
6 Explanation: apt-get install linux-image-amd64/stretch-backports
7 Explanation: And then trying aptitude -s install, or
8 Explanation: apt-get -t stretch-backports install linux-image-amd64
11 Package: tar linux-image-amd64 linux-base btrfs-progs
12 Pin: release a=stretch-backports
20 Pin: release a=buster-updates