From the original: https://blog.csdn.net/csgd2000/article/details/81059461
vim /etc/apt/sources.list.d/pve-enterprise.list
Commented
#deb https://enterprise.proxmox.com/debian/pve stretch pve-enterprise
You can also delete directly out
rm -f /etc/apt/sources.list.d/pve-enterprise.list
To update proxmox need
nano /etc/apt/sources.list
Add Content:
deb http://download.proxmox.com/debian stretch pve-no-subscription
echo "deb http://download.proxmox.com/debian/pve stretch pve-no-subscription" > /etc/apt/sources.list.d/pve-install-repo.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
apt update && apt dist-upgrade
The official document:
https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_Stretch
Then you can normally use
apt update && apt dist-upgrade
After the upgrade is complete, you can run the latest software version pveversion -v view the next. Then execute reboot reboot the physical server