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Thanks, I'll look at that link. I can't tell what the Gbps specs are for the router (Google Fiber Network Box GFRG200); I know max speeds in and out from the Internet are about 1000 Mbps. So...

Fu, thanks for the additional advice.

Turned out that although the machine was saying that it 'Failed to raise network interfaces' on all startups,' after installing PCI device network interface...

Okay, I went out and bought this NIC and installed -

https://www.microcenter.com/product/360498/intel-expi9301ct-gigabit-pcie-x1-adapter

I still could not get the rig to auto-raise network...

TheFU & aljames2 - thanks for these tips. I will continue with this advice and find out what happens.


TheFU - regarding that post you link to - I have been through that thread over and over...

TheFU & aljames2 - thanks for these tips. I will continue with this advice and find out what happens.

TheFU - regarding that post you link to - I have been through that thread over and over...

LHammonds - thanks for the tips regarding refining of Netplan. I have updated per your recommendations. Netplan Generate and Netplan Apply reveal no issues.

Because I have some kind of...

sudo lshw -C network
[sudo] password for USER:
*-network
description: Wireless interface
product: Intel Corporation
vendor: Intel Corporation
...

Running a recently built server rig on 18.04.04 with a Gigabyte Aorus Z490 AX motherboard. I've had nothing but trouble with networking compatibility between this motherboard and 18.04 from the...

Thanks guys, the netplan and the itpables are in proper order on the new server rig now.

Darko (or others), while I have your ear, curious if this netplan config looks alright (please be as nit-picky as you like, syntax and all):


network: version: 2
renderer: networkd
...

Thanks for that tip. Since I like to shell into the server from inside my VPN tunnel, I have added that line to the rules.v4 file and all seems well.

I'm sure we're getting closer. The server kept Internet connectivity, and the VPN clients would successfully connect. But there was no SSH/SFTP into the server.

Pasting these again as they were...

Thanks for the tip. I was wondering about that too (10.8.0.0/24. Not 10.8.0.1/24). I corrected that typo and tried rebooting with these as /etc/iptables/rules.v4:


*filter
:INPUT DROP [0:0]...

Hi Darko, and others. So to continue with this troubleshoot, I began transferring the server configs to a newly-built rig. I had been planning this for some time anyway. Darko, months ago you gave me...

Nothing worked, or I'm too limited in my knowledge of under-the-hood Ubuntu and networking that I could not apply any suggestions. I've already began putting together a new server with mostly...

Sensei -

I have just shelled into the server using the outside DNS. I raised the VPN on this laptop. From the terminal shell, it successfully pings this laptop while I'm off-site.


ping...

Yessir, always times out even directed to the non-standard port number. It's a command I've used numerous times before, but definitely not working for now.

Client desktop box cannot SSH into the server with
ssh user@10.8.0.1, even sitting on the same LAN.

The Ubuntu desktop is rigged up to automatically log into the VPN upon boot, with its...

Darko, pasted below. Thanks.





1) Clients include one Linux Ubuntu 18 Desktop machine, one MAC OSX client, and one Android phone. No Windows machines for now.

2) server.conf file.

I have been trying something else but am still at an impasse.

entering

sudo mount -t ecryptfs ~/secret ~/secret


runs me through a few steps where I come to this...

To update from my last post: still no dice. When logging into the server with physical on-site access at the terminal, I still see "Signature not found in user keyring. Perhaps try the interactive...

I don't even understand what is going on here or how I caused this.


Client can connect through its .ovpn client config file and maintain a stable tunnel. However there is no connectivity to the...

Thanks for the tip, I have applied this fix from that second URL link: https://askubuntu.com/a/602559

I expect I won't know if this has fully corrected the problem until I get back to physical...

I spoke to soon - "Signature not found in user keyring" is still there upon reboot from the connected monitor.

So, somehow this thing worked itself out. I don't know what I did other than force an additional security update that was held back
sudo apt-get upgrade && sudo apt-get upgrade

and then running ...