Clean install Connection error - not loading WEB GUI

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mrmdemic

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Apr 27, 2026
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Hi All,

To begin i am totally new with Proxmox, i have seen a lot of videos on what you can do with it so i decided to grab some hardware and start my adventure.
Before i had created multiple setups with VMWare ESXi Clusters but since i have seen so much videos about Proxmox i would like to expand my horizon and see if i can work with Proxmox as well :D
Now below i have tried to draw out the setup that i have created.
Proxmox-Setup.jpg
The Proxmox installation i have done on the 240GB Raid1 setup.
When the installation was complete (the first time - yes i had it re-installed 3 times now) i could login, after a long time waiting, and i have setup the 960GB as a ZFS (tried it before with LVM but i thought i was given the issues ill describe below).

After a long time searching on google and other posts i could add the V5030 disks (i see them double but i could add them).
Proxmox-GUI-not-fully-loaded.jpg
As you can see as well the site should be in Dark Mode but is not loading at all.
When i try to press F5 to reload the page it wont load at all!
Proxmox-GUI-not-loaded.jpg

Now when i am lucky and the page is loaded in dark mode and i can click around (that did not happen for the last 3 hours) i get a lot of "Connection error" - "Server not connected" when clicking.

Now i know i am new, i tried to follow lots of guides and did perform the "PVE Post Install" but still have lots of issues with my Proxmox installation.

What i want to create is a Nextckoud VM/LXC with the now 10TB that will increase in the future to like 20TB or 30TB.
When i have the Nextcloud working i will get Nginx Proxy Manager installed with Authentix and others like Immich.
After that all is working i want to use this server as my offside Backup for the Proxmox cluster i want to create at home.

But since i already have issues even opening and installing a relative simple application (VM or LXC) i tried to google my issue but it seems i cannot find it.
So that is why i am here now writing to you all hoping someone here can assist me and let me know what i do wrong or what i broke :)

With SSH i have no problem connecting to the machine and that is working without issue!

If you have Specific questions please let me know and i will answer to my best ability.

Thank you for reading <3
 
Onslow said:
Do these "community scripts" mention removing "nag screen" (or similar wording), by chance?
Click to expand...
You mean like this part taken from the linked script?

Bash: 
post_routines_common() {
  CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "SUBSCRIPTION NAG" --menu "This will disable the nag message reminding you to purchase a subscription every time you log in to the web interface.\n \nDisable subscription nag?" 14 58 2 \
    "yes" " " \
    "no" " " 3>&2 2>&1 1>&3)
  case $CHOICE in
 
@fba That's possible. It's not me who have used them ;-).
There are many reports on the Forum that community/helper scripts which disable subscription nag sooner or later cause problems with the GUI. That's why I asked :-).
 
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Yes - that script did ask that!
I will try to re-install it again in a couple of days :)

Do you know if that also will fix the "connection error" that I see Every couple seconds on the vms/lxc?
 
mrmdemic said:
Do you know if that also will fix the "connection error" that I see Every couple seconds on the vms/lxc?
Click to expand...
That I don't know.

Anyway, I can see that your setup isn't quite basic. As you are - in your own words - "totally new with Proxmox", I suggest you start with a very basic, simple setup and gradually add features and services. Then you'll be able to know which change has caused an issue.

On the other hand, when you blindly execute not official scripts taken from Internet, you are at their authors' mercy and skills. You are also unsafe because of supply chain vulnerabilities.

See e.g. https://en.wikipedia.org/wiki/Supply_chain_attack
and google for software supply chain vulnerabilities examples

You'd better never execute (especially as root) scripts directly from Internet.

The approach given by the "PVE Post Install" you linked, is especially risky (I mean curl or wget piped into bash or other shell). It's like jumping headfirst into the water which may be too shallow.
 
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Onslow said:
That I don't know.

Anyway, I can see that your setup isn't quite basic. As you are - in your own words - "totally new with Proxmox", I suggest you start with a very basic, simple setup and gradually add features and services. Then you'll be able to know which change has caused an issue.

On the other hand, when you blindly execute not official scripts taken from Internet, you are at their authors' mercy and skills. You are also unsafe because of supply chain vulnerabilities.

See e.g. https://en.wikipedia.org/wiki/Supply_chain_attack
and google for software supply chain vulnerabilities examples

You'd better never execute (especially as root) scripts directly from Internet.

The approach given by the "PVE Post Install" you linked, is especially risky (I mean curl or wget piped into bash or other shell). It's like jumping headfirst into the water which may be too shallow.
Click to expand...
Thanks - and i totally agree with your statement on going headfirst :D
In my defence ;) i have read lots of people comments on the script and looked on how many times it was used :)

I will scale down the setup to the server only and see if i can scale up eventually
 
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