Cannot install LXC MySpeed : Failed to connect to deb.nodesource.com

[hyzteric]

Server : Proxmox 9.0.5
Info worth noting : Tailscale was installed on the proxmox host but it seems to be troublesome so I did a "tailscale down"
Content of /etc/resolv.conf :

#search comet-stairs.ts.net
nameserver 192.168.0.1
nameserver 8.8.8.8
nameserver 9.9.9.9

I am trying to install LXC MySpeed : https://community-scripts.github.io/ProxmoxVE/scripts?id=myspeed
I have the following error :

⠹ Setup Node.js 22curl: (7) Failed to connect to deb.nodesource.com port 443 after 857 ms: Couldn't connect to server
gpg: no valid OpenPGP data found.
   ✖️   Failed to download or import NodeSource GPG key

[ERROR] in line 1353: exit code 0: while executing command lxc-attach -n "$CTID" -- bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/install/${var_install}.sh)"

Here is the output :

[MickLesk]

Thats Not the only issue on your system. Its very slow in all pings and curls. Maybe hard missconfigured.

[hyzteric]

I think the Tailscale install screwed up everything. I think I'll try to erase the server and start over fresh tomorrow.
I guess tailscale is ok in containers etc; but not on the proxmox host itself.
Thanks for your time. I'll come back here to tell if it fixed it.

[MickLesk]

The issue is not from the Host (or you can Check it manually), the issue appears in an new LXC after the LXC get an ip and Network Connection. Something block the gpg calls. (Like adguard or tailscale)

[hyzteric]

But tailscale is stopped and I have nothing else on that server.
Proxmox firewall has no rule.
I did not enable any other firewall or blocking stuff. I installe pihole just to try the install script but I turned it off and did not configure it

[hyzteric]

Disabling tailscale was not enough.
I completely uninstalled it and it worked now!
Edit: I also needed to enable ipv6 on my network