Changing IP Address is a Nightmare

[paul.maechler]

We need a simple change of the IP address of our Mailgateway.
I did that in Web GUI.
Applying the new setting stopped almost everything.

Ping to the new address was working. But anything else not. No WebGUI, no nothing.

Had to restore a Checkpoint.

How can I do this change ?

Please help !

 

[dcsapak]

did you also change the ip resolution in /etc/hosts ?
there needs to be at least one ip address that the hostname resolves to, so if you completely changed the ip (and not just added one for example) you have
to adapt the /etc/hosts file to point to the new ip address

for pve, we already have an editor in the gui, but pmg we did not do that yet, if you want, you can open an enhancement request for it here: https://bugzilla.proxmox.com

 

[paul.maechler]

Yes I did change IP address in hosts.
But https://ipaddress:8006 ist not working anymore.
Any other place where I need to change something to make it work ?

An editor for changing pve but not pmg is not really useful. It ruins more than it helps....

By the way I receive this errors when I start :



Normal behavior ?

 

[dcsapak]

do you have a floppy drive (maybe from your idrac/ikvm/ilo/etc. ?)

Any other place where I need to change something to make it work ?

should not be necessary. can you connect via ssh? if yes, can you post the logs? (journalctl)

 

[paul.maechler]

 

[paul.maechler]

SSH access works.
Where can I find journalctl ?

 

[dcsapak]

Where can I find journalctl ?

thats the installed command to access the log

could you execute the following commands via ssh and post their output here?

cat /etc/network/interfaces
cat /etc/hosts
hostname
ss -tlpn
journalct -b -u pmgproxy -u pmgdaemon
curl -k https://localhost:8006/

 

[paul.maechler]

Hi
After deleting hosts and interfaces and recreate them it seems to work.

Only minor poblem is that the hostname is mail2 but the webserver show mail6.
How can I change this banner ?

 

[dcsapak]

Only minor poblem is that the hostname is mail2 but the webserver show mail6.
How can I change this banner ?

which banner? (i don't see it in your screenshots?)

 

[paul.maechler]

This shows mail6

 

[dcsapak]

ah thanks ^^

that should normally be the hostname of the machine, if you changed it, it probably just needs a restart of the pmgproxy

 

[paul.maechler]

I did restart the pmgproxy and the whole VM.
No change. Still "mail6" instead of "mail2".

Try yourself https://mail2.suxeed.com:8006

 

[paul.maechler]

Now the users also get links with the old name. (mail6.suxeed.com instead of mail2.suxeed.com)
Need a solution urgently !!!
Is you product really v7.1 ? For me it looks more then v0.7.
Such a basic job like renaming an appliance must work.
I'm disappointed.

 

[dcsapak]

can you please post the output of

cat /etc/hosts
cat /etc/hostname
hostname

 

[paul.maechler]

 

[dcsapak]

your hostname is still set to 'mail6', see https://wiki.debian.org/Hostname

 

[paul.maechler]

It's working now.
Thanks for your assistance.
You should create "Ho-To" article for non Linux people like me.
Pauö

 

[birdy]

https://pmg.proxmox.com/wiki/index.php/Change_FQDN

 

[Neobin]

Is you product really v7.1 ? For me it looks more then v0.7.
Such a basic job like renaming an appliance must work.
I'm disappointed.

You should create "Ho-To" article for non Linux people like me.

And I'm disappointed of people experimenting with critical, productive systems without knowledge.

 

[birdy]

And I'm disappointed of people experimenting with critical, productive systems without knowledge.

Not only that. Messing up, because of lack of knowledge, and then blaming the product/company.