Broke my host file, web interface not working

f313 · Dec 18, 2022

Hello,

I did some rushed changes to my hosts file where I (iirc) deleted the old entries for my non-existent cluster. The cluster was deleted.
Now I can't access my web interface anymore.

My hosts file looks like this atm:

Code:

GNU nano 5.4                                        /etc/hosts
127.0.0.1 localhost.localdomain localhost
10.0.0.20 viridium.fritz.box viridium


# The following lines are desirable for IPv6 capable hosts

::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

Tried restarting pveproxy, pvestatd and pvedaemon to no success.

Thanks in advance for any help!

Edit:
The error shown in the web interface:

Code:

Error ipcc_send_rec[13] failed: Channel number out of range (500)

Moayad · Dec 19, 2022

Hello,

Can you please open journalctl -f on your PVE shell, and try to access the web UI and see if there is another error?

Can you also try to update the certificates by issuing the below command on the Proxmox VE server?

Bash:

pvecm updatecert -f

f313 · Dec 19, 2022

Hello,

thanks for your reply.
I've done both,

pvecm updatecert -f
Generated new node certificate, but did not fix anything.

journalctl -f does not show any errors when logging into the web UI.
Even when browsing sites where the error from my first post shows up everything looks normal, no errors or any suspicious.

Moayad · Dec 19, 2022

Hi,

What says the status of the following services?

Bash:

systemctl status pvedaemon.service
systemctl status pveproxy.service

Can you please post the output of the following commands as well?

Bash:

uname -n
hostname -f
ping -c 3 $(uname -n)

f313 · Dec 19, 2022

Hello,

both services are active / running.
Result of the command you posted:

Code:

root@viridium:~# ping -c 3 $(uname -n)
PING viridium.fritz.box (10.0.0.20) 56(84) bytes of data.
64 bytes from viridium.fritz.box (10.0.0.20): icmp_seq=1 ttl=64 time=0.020 ms
64 bytes from viridium.fritz.box (10.0.0.20): icmp_seq=2 ttl=64 time=0.023 ms
64 bytes from viridium.fritz.box (10.0.0.20): icmp_seq=3 ttl=64 time=0.031 ms

--- viridium.fritz.box ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2053ms
rtt min/avg/max/mdev = 0.020/0.024/0.031/0.004 ms

bbgeek17 · Dec 19, 2022

what does "/etc/hostname" contain?
what does "hostnamectl" say?
what does "ip -a" show?
what does "curl -ks https://localhost:8006" show?
what about "curl -ks https://10.0.0.20:8006" and "curl -ks https://viridium:8006"

if anything has changed since original post, add the context of "/etc/hosts"

Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox

f313 · Dec 19, 2022

/etc/hostname

Code:

viridium

Code:

root@viridium:~# hostnamectl
   Static hostname: viridium
         Icon name: computer-desktop
           Chassis: desktop
        Machine ID: e546ea39060a4cea90e8f9bdc1bcfd75
           Boot ID: 727b5325a29c469997431a108abcafff
  Operating System: Debian GNU/Linux 11 (bullseye)
            Kernel: Linux 5.15.39-2-pve
      Architecture: x86-64

ip -a seems to be missing something

Code:

root@viridium:~# curl -ks https://localhost:8006
<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
    <title>viridium - Proxmox Virtual Environment</title>
    <link rel="icon" sizes="128x128" href="/pve2/images/logo-128.png" />
    <link rel="apple-touch-icon" sizes="128x128" href="/pve2/images/logo-128.png" />
    <link rel="stylesheet" type="text/css" href="/pve2/ext6/theme-crisp/resources/theme-crisp-all.css?ver=7.0.0" />
    <link rel="stylesheet" type="text/css" href="/pve2/ext6/crisp/resources/charts-all.css?ver=7.0.0" />
    <link rel="stylesheet" type="text/css" href="/pve2/fa/css/font-awesome.css" />
    <link rel="stylesheet" type="text/css" href="/pve2/css/ext6-pve.css?ver=7.3-3" />
    <link rel="stylesheet" type="text/css" href="/pwt/css/ext6-pmx.css?ver=3.5.3" />

    <script type='text/javascript'>function gettext(buf) { return buf; }</script>

    <script type="text/javascript" src="/pve2/ext6/ext-all.js?ver=7.0.0"></script>
    <script type="text/javascript" src="/pve2/ext6/charts.js?ver=7.0.0"></script>

    <script type="text/javascript" src="/pve2/js/u2f-api.js"></script>
    <script type="text/javascript" src="/qrcode.min.js"></script>
    <script type="text/javascript">
    Proxmox = {
        Setup: { auth_cookie_name: 'PVEAuthCookie' },
        defaultLang: 'en',
        NodeName: 'viridium',
        UserName: '',
        CSRFPreventionToken: 'null'
    };
    </script>
    <script type="text/javascript" src="/proxmoxlib.js?ver=3.5.3"></script>
    <script type="text/javascript" src="/pve2/js/pvemanagerlib.js?ver=7.3-3"></script>
    <script type="text/javascript" src="/pve2/ext6/locale/locale-en.js?ver=7.0.0"></script>

    <script type="text/javascript">
    if (typeof(PVE) === 'undefined') PVE = {};
    Ext.History.fieldid = 'x-history-field';
    Ext.onReady(function() { Ext.create('PVE.StdWorkspace');});
    </script>

  </head>
  <body>
    <!-- Fields required for history management -->
    <form id="history-form" class="x-hidden">
    <input type="hidden" id="x-history-field"/>
    </form>
  </body>
</html>

Code:

root@viridium:~# curl -ks https://10.0.0.20:8006
<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
    <title>viridium - Proxmox Virtual Environment</title>
    <link rel="icon" sizes="128x128" href="/pve2/images/logo-128.png" />
    <link rel="apple-touch-icon" sizes="128x128" href="/pve2/images/logo-128.png" />
    <link rel="stylesheet" type="text/css" href="/pve2/ext6/theme-crisp/resources/theme-crisp-all.css?ver=7.0.0" />
    <link rel="stylesheet" type="text/css" href="/pve2/ext6/crisp/resources/charts-all.css?ver=7.0.0" />
    <link rel="stylesheet" type="text/css" href="/pve2/fa/css/font-awesome.css" />
    <link rel="stylesheet" type="text/css" href="/pve2/css/ext6-pve.css?ver=7.3-3" />
    <link rel="stylesheet" type="text/css" href="/pwt/css/ext6-pmx.css?ver=3.5.3" />

    <script type='text/javascript'>function gettext(buf) { return buf; }</script>

    <script type="text/javascript" src="/pve2/ext6/ext-all.js?ver=7.0.0"></script>
    <script type="text/javascript" src="/pve2/ext6/charts.js?ver=7.0.0"></script>

    <script type="text/javascript" src="/pve2/js/u2f-api.js"></script>
    <script type="text/javascript" src="/qrcode.min.js"></script>
    <script type="text/javascript">
    Proxmox = {
        Setup: { auth_cookie_name: 'PVEAuthCookie' },
        defaultLang: 'en',
        NodeName: 'viridium',
        UserName: '',
        CSRFPreventionToken: 'null'
    };
    </script>
    <script type="text/javascript" src="/proxmoxlib.js?ver=3.5.3"></script>
    <script type="text/javascript" src="/pve2/js/pvemanagerlib.js?ver=7.3-3"></script>
    <script type="text/javascript" src="/pve2/ext6/locale/locale-en.js?ver=7.0.0"></script>

    <script type="text/javascript">
    if (typeof(PVE) === 'undefined') PVE = {};
    Ext.History.fieldid = 'x-history-field';
    Ext.onReady(function() { Ext.create('PVE.StdWorkspace');});
    </script>

  </head>
  <body>
    <!-- Fields required for history management -->
    <form id="history-form" class="x-hidden">
    <input type="hidden" id="x-history-field"/>
    </form>
  </body>
</html>

Code:

root@viridium:~# curl -ks https://viridium:8006
<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
    <title>viridium - Proxmox Virtual Environment</title>
    <link rel="icon" sizes="128x128" href="/pve2/images/logo-128.png" />
    <link rel="apple-touch-icon" sizes="128x128" href="/pve2/images/logo-128.png" />
    <link rel="stylesheet" type="text/css" href="/pve2/ext6/theme-crisp/resources/theme-crisp-all.css?ver=7.0.0" />
    <link rel="stylesheet" type="text/css" href="/pve2/ext6/crisp/resources/charts-all.css?ver=7.0.0" />
    <link rel="stylesheet" type="text/css" href="/pve2/fa/css/font-awesome.css" />
    <link rel="stylesheet" type="text/css" href="/pve2/css/ext6-pve.css?ver=7.3-3" />
    <link rel="stylesheet" type="text/css" href="/pwt/css/ext6-pmx.css?ver=3.5.3" />

    <script type='text/javascript'>function gettext(buf) { return buf; }</script>

    <script type="text/javascript" src="/pve2/ext6/ext-all.js?ver=7.0.0"></script>
    <script type="text/javascript" src="/pve2/ext6/charts.js?ver=7.0.0"></script>

    <script type="text/javascript" src="/pve2/js/u2f-api.js"></script>
    <script type="text/javascript" src="/qrcode.min.js"></script>
    <script type="text/javascript">
    Proxmox = {
        Setup: { auth_cookie_name: 'PVEAuthCookie' },
        defaultLang: 'en',
        NodeName: 'viridium',
        UserName: '',
        CSRFPreventionToken: 'null'
    };
    </script>
    <script type="text/javascript" src="/proxmoxlib.js?ver=3.5.3"></script>
    <script type="text/javascript" src="/pve2/js/pvemanagerlib.js?ver=7.3-3"></script>
    <script type="text/javascript" src="/pve2/ext6/locale/locale-en.js?ver=7.0.0"></script>

    <script type="text/javascript">
    if (typeof(PVE) === 'undefined') PVE = {};
    Ext.History.fieldid = 'x-history-field';
    Ext.onReady(function() { Ext.create('PVE.StdWorkspace');});
    </script>

  </head>
  <body>
    <!-- Fields required for history management -->
    <form id="history-form" class="x-hidden">
    <input type="hidden" id="x-history-field"/>
    </form>
  </body>
</html>

Hosts file has not changed since the first post.
Just to be clear, I can reach the web gui but no nodes are shown:

bbgeek17 · Dec 19, 2022

f313 said:
deleted the old entries for my non-existent cluster. The cluster was deleted.

Perhaps you need to expand then on what exactly you mean by this ^^^. What does "non-existing cluster" mean? You had a cluster and now its just one node?

f313 said:
no nodes are shown:

this implies there is still more than one node in your setup? So what "cluster was deleted"? Which would mean that you have to properly adjust all nodes in cluster. Not just hosts related files, but also corosync and such.

Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox

f313 · Dec 19, 2022

Sorry to not clarify this.

I used the following commands from this thread https://forum.proxmox.com/threads/proxmox-ve-6-removing-cluster-configuration.56259/ to delete the other node and remove my node that I cannot access currently. This was at the last reboot which was 4d ago and everything worked fine.

So yes, it was a cluster, now it's just a single node.

f313 · Dec 20, 2022

Anyone some more ideas onto this?
Don't want to do a complete reinstall.

f313 · Dec 21, 2022

So should I accept my fate and reinstall?

mr44er · Dec 21, 2022

Yes, I would say so.
Back to single node from cluster isn't smooth and I don't know all the knobs.

Also you can then be sure to have a clear, fresh start.

f313 · Dec 21, 2022

following this seems to have solved it for now: https://pve.proxmox.com/pve-docs/chapter-pvecm.html#pvecm_separate_node_without_reinstall

Thanks for all the answers tho

EscTech · Feb 21, 2023

f313 said:
following this seems to have solved it for now: https://pve.proxmox.com/pve-docs/chapter-pvecm.html#pvecm_separate_node_without_reinstall

Thanks for all the answers tho

You sir are a god.Thanks for this. You saved me a boatload of time... struggled for a few days without the interface and was about to give up!

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Broke my host file, web interface not working

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