A execução de “apt-get update” retorna um erro “apt-secure (8)”

Question

Eu tenho o Ubuntu Game Pack e estou tentando usar sudo apt-get update e ele está retendo o erro

W: https://download.01.org/gfx/ubuntu/16.04/main/dists/xenial/InRelease: Signature by key 09D6EF97BFB38E916EF060E756A3DEF863961D39 uses weak digest algorithm (SHA1)
W: GPG error: http://deb.playonlinux.com trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 73F0D6E88E3D6C3A
W: The repository 'http://deb.playonlinux.com trusty InRelease' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://download.opensuse.org/repositories/home:/strycore/xUbuntu_16.04 ./ Release: The following signatures were invalid: KEYEXPIRED 1484261108
W: The repository 'http://download.opensuse.org/repositories/home:/strycore/xUbuntu_16.04 ./ Release' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.

Como posso resolver isso?

    

Answer 1

1. link :

todos têm esses problemas (eu também tenho) - Intel é preguiçoso para criar a chave certa - não se preocupe

link

2. comandos de execução:

   wget -q "http://deb.playonlinux.com/public.gpg" -O - | sudo apt-key add -

   sudo wget http://deb.playonlinux.com/playonlinux_trusty.list -O /etc/apt/sources.list.d/playonlinux.list

3. sudo sh -c "echo 'deb http://download.opensuse.org/repositories/home:/strycore/xUbuntu_16.04/ /' > /etc/apt/sources.list.d/lutris.list"

   wget -nv https://download.opensuse.org/repositories/home:strycore/xUbuntu_16.04/Release.key -O Release.key

   sudo apt-key add - < Release.key

   sudo apt-get update

link