upgrade apt from upstream

readme.md

example is for trusty (14.04) and upstream is xenial (16.04)

• cat /etc/apt/apt.conf.d/01ubuntu

APT::Default-Release "trusty";

• cat /etc/apt/preferences.d/apt-fix-1001

Package: apt
Pin: release a=xenial-security,c=main,o=Ubuntu,l=Ubuntu
Pin-Priority: 1001

• cat /etc/apt/sources.list.d/apt-fix.list

deb http://archive.ubuntu.com/ubuntu xenial-security main

• apt-get install -t xenial-security apt

troubleshoot

• apt-cache policy apt
• cat /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_xenial-security_InRelease | head -n 20

references

Apt package pinning and priorities Debian package management Ubuntu Pinning