The repository 'https://apt.dockerproject.org/repo ubuntu-xenial Release' does not have a Release file.

 

W: The repository 'https://apt.dockerproject.org/repo ubuntu-xenial Release' does not have a Release file.

 

한시간 내내 삽질하다가 아래와 같은 방법으로 해결함

 

sudo add-apt-repository "deb https://apt.dockerproject.org/repo/ $(cat /etc/issue | awk '{print $1}' | tr '[:upper:]' '[:lower:]')-$(lsb_release -cs) main"

 

 

참고자료 : 

https://askubuntu.com/questions/981031/sudo-apt-get-update-throwing-error

sudo apt-get update throwing error?