Install Proxmox VE on Debian Jessie

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Introduction

The installation of a supported Proxmox VE server should be done via Bare-metal_ISO_Installer. In some case it makes sense to install Proxmox VE on top of a running Debian Jessie 64-bit, especially if you want a custom partition layout. For this HowTO the following Debian Jessie ISO was used: debian-8.2.0-amd64-netinst.iso.

Install a standard Debian Jessie (amd64)

Install a standard Debian Jessie, for details see Debian, and select a fixed IP. It is recommended to only install the "standard" package selection and nothing else, as Proxmox VE brings its own packages for qemu, lxc. You can create empty partitions during installation and then use it to create ZFS pool.

Add an /etc/hosts entry for your IP address

Please make sure that your hostname is resolvable via /etc/hosts, i.e you need an entry in /etc/hosts which assigns an IPv4 address to that hostname.

Note: Make sure that no IPv6 address for your hostname is specified in `/etc/hosts`

For instance if your IP adress is 192.168.15.77, and your hostname prox4m1, then your /etc/hosts file shoud look like: 

127.0.0.1       localhost
192.168.15.77   prox4m1.proxmox.com prox4m1

# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

You can test if you setup is ok using the getent command: 

#verify that your hostname is resolved
getent hosts $(hostname)
192.168.15.77   prox4m1.proxmox.com prox4m1

# verify that your IP address is resolved 
getent hosts 192.168.15.77
192.168.15.77   prox4m1.proxmox.com prox4m1

Install Proxmox VE

Adapt your sources.list

Add the Proxmox VE repository: 

echo "deb http://download.proxmox.com/debian jessie pvetest" > /etc/apt/sources.list.d/pve-install-repo.list

NOTE: Due to a bug in debian/apt(?) it may be required to alter the above sources.list entry to say the following, if apt-get complains about not being able to find /binary-i386: "Unable to find expected entry 'pve/binary-i386/Packages'" (despite it being a 64bit debian install!) 

deb [arch=amd64] http://download.proxmox.com/debian jessie pvetest

If it does not work for apt-get of some files, then replace http:// with ftp:// especially in the first two urls above.

Add the Proxmox VE repository key: 

wget -O- "http://download.proxmox.com/debian/key.asc" | apt-key add -

Update your repository and system by running: 

apt-get update && apt-get dist-upgrade

Install Proxmox VE packages

Install the Proxmox VE packages: 

apt-get install proxmox-ve ntp ssh postfix ksm-control-daemon open-iscsi

Accept the suggestion to remove Exim and configure postfix according to your network. If you have a mail server in your network, you should configure postfix as a satellite system, and your existing mail server will be the 'relay host' which will route the emails send by the proxmox server to the end recipient. If you don't know what to enter here, choose local only.

Finally, reboot your system, the new Proxmox VE kernel should be automatically selected in the GRUB menu.


Connect to the Proxmox VE web interface

Connect to the admin web interface (https://youripaddress:8006) and configure your network according to your needs, finally reboot to check if everything is running as expected.

Adapt vmbr0 settings

Configure apt to use the new packages repositories

In order to get latest updates, you need to add one of the new package repositories, see Package repositories


Optional Steps

Optional: Remove the Debian kernel

apt-get remove linux-image-amd64 linux-image-3.16.0-4-amd64 linux-base

Check grub2 config by running: 

update-grub

Optional: Developer Workstations with Proxmox VE and X11

Proxmox VE is primarily used as virtualization platform with NO additional software installed. In some case it makes sense to have a full desktop running on Proxmox VE, for example for developers using Proxmox VE as their primary workstation/desktop.

For example, just install XFCE4 desktop and Firefox/Iceweasel browser: 

apt-get install xfce4 iceweasel lightdm

If you prefer LXDE desktop instead just do: 

apt-get install lxde iceweasel

Make sure network-manager is not used, else pve-cluster will not start in some cases 

apt-get purge network-manager
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