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Questions tagged [linux-networking]

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Linux Networking refers to any networking function performed by a server running Linux. A Linux server operating as a router or firewall are the most common applications.

3,412 questions
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Score of 6
1 answer
267 views

The server is running the latest version of Debian 13. It has an Intel X540-AT2 10Gbps network adapter. The server is not running systemd-networkd or networkmanager. I have had a VLAN working on this ...
Score of 4
2 answers
424 views

I have an old Windows 2012 server which saves daily DB backups off to a share on linux. The automated backup script is intermittently failing. When I manually copy files as a domain admin user, I get ...
Score of 4
2 answers
692 views

If LACP declaration (server side) will still send traffic when one of the NICs fails, is there any advantage to declaring a bond as one primary one slave? Other than having the backup on a financially ...
Score of 1
1 answer
85 views

I'm trying to access my MySQL database server from a Linux network namespace called application, using a veth pair named veth-application-root and veth-application-ns, located in root and in the ...
Score of 0
0 answers
104 views

I have a Linux system with three network interfaces. Two interfaces are native (eth0, eth1) on the board and one interface is connected via a USB adapter (enu1). Because of the application, I needed ...
Score of 6
1 answer
587 views

I'm debugging a very strange issue on a Proxmox server (running on Debian 12). It is connected via a 10G link (SFP+ DAC) to a switch. Another 10G link goes to another very similar server: SrvA -- 10G ...
Score of 3
1 answer
299 views

I’m looking for expert feedback on a lab setup I’m building for high-throughput “modem refurbishment” testing, and whether a Linux network-namespace approach is the right long-term solution. What I’m ...
Score of 2
1 answer
438 views

OS: Ubuntu 20.04 OpenVPN client (tun0): 10.8.0.0/24 LAN: eth0 -> ISP local (must stay default) VLAN20: vlan20 -> 192.168.80.0/24 (gateway 192.168.80.1) Goal: Only traffic from 192.168.80.0/24 ...
Score of 3
0 answers
221 views

So I have been trying to set this up for the past two days non-stop to no avail. Basically I have a computer running Ubuntu 24.04 LTS on an i5 8600T which I plan to always leave running. What I want ...
Score of 0
0 answers
464 views

I am trying to log into a copyparty server. When I try to log in with my credentials admin:admin, the website returns No module named 'argon2' URL: Copyparty IP: 10.0.1.5 Reverse Proxy IP: 10.0.0.2 ...
Score of 0
1 answer
533 views

I am trying to get copyparty to hash passwords so I can add them to my config files. I built my copyparty server from the ground up using a Proxmox LXC container. I am using the username and password ...
Score of -2
1 answer
155 views

I have two hosts: A and B. Both are behind different NATs and B is mobile and can change location and IP address. I also have a relay R, but connecting through it is incurs latency and can be unstable ...
Score of 0
0 answers
57 views

I have a problem with a REST module in FreeRADIUS. The error : ERROR: (171572) rest: ERROR: Server returned no data Can FreeRADIUS bypass the REST module, say if the REST module failed/errored etc., ...
Score of 0
1 answer
144 views

I'm exploring how to control or restrict file attachments and file transfers at the VPN level, using WireGuard or OpenVPN, to prevent users from uploading or downloading certain files while connected ...
Score of 0
0 answers
141 views

I have an Android 15 device with root access and LinuxDeploy and LAN-interface. The device is connected to a router via eth0 (192.168.1.128). Inside LinuxDeploy, I’m running QEMU with Debian 12, ...

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