[SOLVED] Proxmox GUI not working

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hamovip

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May 9, 2020
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My Server is from hetzner and was working fine. today my gui not working anymore
i spend hours to fix but i failed. all vms is working fine but i need my GUI Back

here output of commands i tried to fix and to help support to know where problem from.


# cat /etc/hosts
For privacy i hide my ip with ***
[/B] ### Hetzner Online GmbH installimage # nameserver config # IPv4 #127.0.0.1 localhost.localdomain localhost 136.2**.54.*** System # # IPv6 ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters ff02::3 ip6-allhosts 2a01:4f8:***:15c7::2 ystem [B]

at first i found this line " 127.0.0.1 localhost.localdomain localhost " i tried to remove it and reboot but no luck .


---------------

systemctl status -l pve-cluster

[ICDE]
pve-cluster.service - The Proxmox VE cluster filesystem
Loaded: loaded (/lib/systemd/system/pve-cluster.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2021-03-01 05:27:28 CET; 7min ago
Process: 8337 ExecStart=/usr/bin/pmxcfs (code=exited, status=0/SUCCESS)
Main PID: 8338 (pmxcfs)
Tasks: 5 (limit: 4915)
Memory: 38.7M
CGroup: /system.slice/pve-cluster.service
└─8338 /usr/bin/pmxcfs

Mar 01 05:27:27 System systemd[1]: Starting The Proxmox VE cluster filesystem...
Mar 01 05:27:28 System systemd[1]: Started The Proxmox VE cluster filesystem.
Click to expand...
-------------------

systemctl status networking.service
● networking.service - Raise network interfaces
Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor preset: enabled)
Active: active (exited) since Mon 2021-03-01 05:07:48 CET; 28min ago
Docs: man:interfaces(5)
Process: 696 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=0/SUCCESS)
Main PID: 696 (code=exited, status=0/SUCCESS)

Mar 01 05:07:42 System systemd[1]: Starting Raise network interfaces...
Mar 01 05:07:43 System ifup[696]: net.ipv4.ip_forward = 1
Mar 01 05:07:48 System ifup[696]: Waiting for DAD... Done
Mar 01 05:07:48 System ifup[696]: Waiting for vmbr1 to get ready (MAXWAIT is 2 seconds).
Mar 01 05:07:48 System ifup[696]: Waiting for vmbr2 to get ready (MAXWAIT is 2 seconds).
Mar 01 05:07:48 System ifup[696]: Waiting for vmbr3 to get ready (MAXWAIT is 2 seconds).
Mar 01 05:07:48 System systemd[1]: Started Raise network interfaces.
Click to expand...
--------------------
cat /etc/network/interfaces


source /etc/network/interfaces.d/*

auto lo
iface lo inet loopback
iface lo inet6 loopback

auto enp4s0
iface enp4s0 inet static
address **6.*43.**.200
netmask 255.255.255.192
gateway 1**.2**.54.193
# route 136.**3.54.192/26 via 1**6.243.54.193
up route add -net 136.243.54.1*2 netmask 255.255.255.192 gw 136.243.54.193 dev enp4s0
post-up sysctl -w net.ipv4.ip_forward=1
iface enp4s0 inet6 static
address 2a01:4**:212:15c7::2
netmask 64
gateway fe80::1

auto vmbr1
iface vmbr1 inet static
address 136.2*3.1**.80/29
bridge_ports none
bridge_stp off
bridge_fd 0

auto vmbr2
iface vmbr2 inet static
address 15*.**.1*0.1*6/29
bridge_ports none
bridge_stp off
bridge_fd 0

auto vmbr3
iface vmbr3 inet static
address 15*.90.**2.120/29
bridge_ports none
bridge_stp off
bridge_fd 0
Click to expand...
--------------------------------

# systemctl status pveproxy
● pveproxy.service - PVE API Proxy Server
Loaded: loaded (/lib/systemd/system/pveproxy.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2021-03-01 05:08:19 CET; 30min ago
Process: 2042 ExecStartPre=/usr/bin/pvecm updatecerts --silent (code=exited, status=0/SUCCESS)
Process: 2044 ExecStart=/usr/bin/pveproxy start (code=exited, status=0/SUCCESS)
Main PID: 2064 (pveproxy)
Tasks: 4 (limit: 4915)
Memory: 150.9M
CGroup: /system.slice/pveproxy.service
├─2064 pveproxy
├─2065 pveproxy worker
├─2066 pveproxy worker
└─2067 pveproxy worker

Mar 01 05:08:16 System systemd[1]: Starting PVE API Proxy Server...
Mar 01 05:08:19 System pveproxy[2064]: starting server
Mar 01 05:08:19 System pveproxy[2064]: starting 3 worker(s)
Mar 01 05:08:19 System pveproxy[2064]: worker 2065 started
Mar 01 05:08:19 System pveproxy[2064]: worker 2066 started
Mar 01 05:08:19 System pveproxy[2064]: worker 2067 started
Mar 01 05:08:19 System systemd[1]: Started PVE API Proxy Server
Click to expand...
-------------------------------
netstat -ltn | grep 8006
tcp6 0 0 :::8006 :::* LISTEN
----------------------
iptables --list
Chain INPUT (policy DROP)
target prot opt source destination
f2b-sshd tcp -- anywhere anywhere multiport dports ssh
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
ACCEPT tcp -- anywhere anywhere multiport dports ssh,smtp,http,https,4082,4083,4084,4085,submission
ACCEPT icmp -- anywhere anywhere icmp echo-reply
ACCEPT icmp -- anywhere anywhere icmp echo-request
ACCEPT tcp -- anywhere anywhere multiport dports 8443,2087,gnunet,webmin
ACCEPT tcp -- anywhere anywhere tcp dpts:5901:afs3-fileserver

Chain FORWARD (policy ACCEPT)
target prot opt source destination

Chain OUTPUT (policy ACCEPT)
target prot opt source destination
ACCEPT tcp -- anywhere anywhere multiport sports smtp,submission
ACCEPT icmp -- anywhere anywhere icmp echo-request
ACCEPT icmp -- anywhere anywhere icmp echo-reply

Chain f2b-sshd (1 references)
target prot opt source destination
REJECT all -- 222.187.239.31 anywhere reject-with icmp-port-unreachable
REJECT all -- 86-94-73-194.fixed.kpn.net anywhere reject-with icmp-port-unreachable
RETURN all -- anywhere anywhere
Click to expand...
-------------

i tried
- Reinstall PVE- MANAGER
- edit /etc/hosts
- Apt-get update & Dist upgrade

problem here i don't know what happen? i didn't even touch server i just found gui not working

Thanks for any help
 
Last edited:
Moayad said:
Hi,



are you using IPv6?

what says the output of the command below?

Bash: 
curl -k https://localhost:8006 | grep title
Click to expand...
no i don't
it say
root@System ~ # curl -k https://localhost:8006 | grep title
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 2160 100 2160 0 0 4268 0 --:--:-- --:--:-- --:--:-- 4268
<title>System - Proxmox Virtual Environment</title>
Click to expand...
 
Fixed
it was one of my friend who testing installed " fail2ban" which made a issue with firewall

you can now close

thanks
 
Glad you solved your issue!

hamovip said:
it was one of my friend who testing installed " fail2ban" which made a issue with firewall
Click to expand...

Thanks for sharing your solution :)

you can make your thread as [SOLVED] to help other people who have the same issue Thanks!

have a nice day :)
 
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Reactions: hamovip
Hello Moayad,

I have the same issue with the same issue for me its fresh install. it seems proxmox is using tcp6 instead of tcp. Any suggestion what should i check this if fresh install.
 
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