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Upgrading Proxmox without a subscription

Now, to update Proxmox to the latest versions you need a paid subscription. I don’t mind, it’s a way of supporting their business and they still allow you to download their latest version on an ISO to download.

The subscription is fairly cheap for a production site and their support, AFAIK, is fast.

I have paid subscriptions for my production servers, but I have several testing and development ones I don’t need it, but I would like to update, every once in a while, to newer versions without reinstalling. So the answer is easy: update with the Proxmox ISO.

Backup first!

– Download the latest Proxmox ISO – Mount it on the system as a loop fs:

mount proxmox-ve_3.3.iso /mnt -oloop

– Edit your /etc/apt/sources.list and add this line:

deb file:///mnt squeeze pve

– Update your apt:

apt-get update

– Do dist-upgrade:

apt-get dist-upgrade

– Comment the line you added on /etc/apt/sources.list, reboot, and you’re good to go!