I time out with site

There is a new thread about this twice a week... Login to the Proxmox host console (using SSH or a physical keyboard and display) and show us the output of ip a and cat /etc/network/interfaces.
 
root@MyVPS:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host noprefixroute
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 00:16:3e:7c:5a:b6 brd ff:ff:ff:ff:ff:ff
altname enp0s18
altname ens18
inet 45.8.217.83/24 scope global eth0
valid_lft forever preferred_lft forever
inet6 fe80::216:3eff:fe7c:5ab6/64 scope link
valid_lft forever preferred_lft forever
root@MyVPS:~# cat /etc/network/interfaces
# network interface settings; autogenerated
# Please do NOT modify this file directly, unless you know what
# you're doing.
#
# If you want to manage parts of the network configuration manually,
# please utilize the 'source' or 'source-directory' directives to do
# so.
# PVE will preserve these directives, but will NOT read its network
# configuration from sourced files, so do not attempt to move any of
# the PVE managed interfaces into external files!

auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
address 45.8.217.83/24

gateway 45.8.217.254
root@MyVPS:~#
 
I noticed that you masked your IP in the subject, yet did not in the post. Although it falls under "security through obscurity", you may want to mask it still.

Assuming the SSH works, which would mean that you used the correct IP settings from your provider, the immediate missing part is the "vmbr0" bridge.
I guess that you did not install PVE properly and may want to review/redo your installation steps.

The easy way to check if the software is working, at least locally, is to run (on the PVE host directly): curl -k https://127.0.0.1:8006

Good luck


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