Proxmox

Guide to install Proxmox VE

From Debian 10 Buster

Example of /etc/hosts with IP's from VPS console and domain name redirecting to vps address :

127.0.0.1       localhost.localdomain localhost

51.38.184.247				pve.jovian-hersemeule.eu halley
2001:41d0:305:2100::a30d	pve.jovian-hersemeule.eu halley

::1	localhost	ip6-localhost	ip6-loopback
ff02::1	ip6-allnodes
ff02::2	ip6-allrouters

Install requirements :

For Proxmox 6 :

sudo su
cd
echo "deb http://download.proxmox.com/debian/pve buster pve-no-subscription" > /etc/apt/sources.list.d/pve-install-repo.list
wget http://download.proxmox.com/debian/proxmox-ve-release-6.x.gpg -O /etc/apt/trusted.gpg.d/proxmox-ve-release-6.x.gpg
chmod +r /etc/apt/trusted.gpg.d/proxmox-ve-release-6.x.gpg
apt update && apt full-upgrade

For Proxmox 7 :

sudo su
cd
echo "deb http://download.proxmox.com/debian/pve bullseye pve-no-subscription" > /etc/apt/sources.list.d/pve-install-repo.list
wget https://enterprise.proxmox.com/debian/proxmox-release-bullseye.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg
sha512sum /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg
7fb03ec8a1675723d2853b84aa4fdb49a46a3bb72b9951361488bfd19b29aab0a789a4f8c7406e71a69aabbc727c936d3549731c4659ffa1a08f44db8fdcebfa  /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg
chmod +r /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg
apt update && apt full-upgrade

Choose keep the locale version of GRUB if asked.

Install Proxmox VE :

apt install proxmox-ve postfix open-iscsi

Remove PVE subscription :

rm /etc/apt/sources.list.d/pve-enterprise.list

Warning : do not use ifupdown2 to apply network changes !!! Prefer manual reboot.

Web UI

Connect to web UI.

Enable 2FA.

Guests

Containers

Template

First download a template : dc > node > local > CT Templates > Templates

Choose one distribution that you know, like Ubuntu 22.04.

Create a container

At the top right GUI : Create CT. Fill in all the forms.

Connect to SSH

From GUI, open a terminal on your container. Allow root login with password if needed (don't do that in prod) by modifying /etc/ssh/sshd_config on your container. Then start sshd with systemctl start ssh. Get the IP with ip a.

Ssh to your node first. Try to ping your container with the address you just got. Then ssh to your container from your node shell.

For example :

me@my-laptop ssh root@192.168.122.34
root@node1 ssh root@fe80::c7f:7dff:fec6:d09e%vmbr0
root@ct1 echo success

Trouble shoot container Internet connexion

Good question. Still does not work on my container. :'(

DNS : 192.168.122.1 -> 192.168.1.1 (l'adresse de la box) Et mettre DHCP sur l'adresse IP ... et ça marche !

(Une IP fixe devrait marcher)

Trouble shoot container having DNS but does not reach Internet

Set the right gateway to the next thing.

For the ISF practice session, it was on the linux bridge.

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