Proxmox

Fix Updating

rm -rf /etc/apt/sources.list.d/pve-enterprise.list
touch /etc/apt/sources.list.d/pve-enterprise.list
echo '#deb https://enterprise.proxmox.com/debian/pve stretch pve-enterprise' >> /etc/apt/sources.list.d/pve-enterprise.list
echo '# PVE pve-no-subscription repository provided by proxmox.com,' >> /etc/apt/sources.list.
echo '# NOT recommended for production use' >> /etc/apt/sources.list.
echo 'deb http://download.proxmox.com/debian/pve stretch pve-no-subscription' >> /etc/apt/sources.list.
wget http://download.proxmox.com/debian/proxmox-ve-release-5.x.gpg -O /etc/apt/trusted.gpg.d/proxmox-ve-release-5.x.gpg

https://pve.proxmox.com/wiki/Package_Repositories

Fix License

https://gist.github.com/zentavr/f95194d99b7859a1de3d60c9c5a2e903