network-interface

Unable to Connect to Internet After Deleting NetworkManager on Artix Linux

Unable to Connect to Internet After Deleting NetworkManager on Artix Linux I recently deleted NetworkManager from my Artix Linux system running Runit, and now I’m unable to connect to the internet. I’ve tried several solutions but haven’t been successful. Here’s what I’ve attempted so far: I don’t have DHCP installed nor IWD. I tried installing …

Total answers: 1

Configure two network cards persistently

Configure two network cards persistently I have two NICs and want to set the system up so the second one is the main/default one. First one is a 1Gb unit and its built into. The second one which is a 2.5gb NIC is attached over USB3, this one I did not have when I installed …

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How does the Linux Kernel store hardware TX and RX filter modes?

How does the Linux Kernel store hardware TX and RX filter modes? I am working on a C program which gets the timestamping information for a given network interface, like my own version of ethtool. My goal is to get the information printed by $ ethtool -T myNetIf. Something like: Time stamping parameters for myNetIf: …

Total answers: 2

Machine MAC address with Ubuntu on top of WSL2

Machine MAC address with Ubuntu on top of WSL2 Running Ubuntu 22.04.3 LTS on top of WSL2 Output of ifconfig: eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1492 inet 172.28.193.11 netmask 255.255.240.0 broadcast 172.28.207.255 inet6 fe80::215:5dff:fe3e:7ffa prefixlen 64 scopeid 0x20<link> ether 00:15:5d:3e:7f:fa txqueuelen 1000 (Ethernet) RX packets 1402 bytes 590609 (590.6 KB) RX errors 0 dropped 0 overruns 0 …

Total answers: 2

How to find unspoofed MAC address of NIC

How to find unspoofed MAC address of NIC In Red Hat Enterprise Linux (RHEL) 8, if someone does ifconfig eth0 hw ether abcd12341234, all I know is ifconfig and ip -a, so then is there a way to reliably get the real MAC address of that eth0 interface and if so how? … other than …

Total answers: 3

iptables: Reroute incoming TCP traffic on port to IP inside VPN network

iptables: Reroute incoming TCP traffic on port to IP inside VPN network I have a remote server with an open port. This server is connected to a VPN network. My local computer is also connected to this VPN network. So, the two computers can communicate. What I’d like to do is: I’d like to host …

Total answers: 1

Setting MTU does not work from systemd-networkd, but works from 'ip link set mtu'

Setting MTU does not work from systemd-networkd, but works from 'ip link set mtu' I’m trying to change an MTU of an interface. I’ve noticed it does not change correctly when using systemd-networkd, but it works when I use the ip link set mtu command. Current MTU is 1500: 3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc …

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raise network interfaces – debian 12

raise network interfaces – debian 12 I’m trying to add one main IP, two extra IP and one IP6. Here is my interfaces file located at /etc/network/interfaces: source /etc/network/interfaces.d/* auto lo iface lo inet loopback allow-hotplug ens192 iface ens192 inet static address 23.227.198.250/26 gateway 23.227.198.194 dns-nameservers 8.8.8.8 dns-search deb12.domain.com auto ens192:0 iface ens192:0 inet static …

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Communicate With Multiple Devices Using One IP

Communicate With Multiple Devices Using One IP I am working on a project where I have to communicate with multiple devices (same manufacturer, same model) from my Linux (Ubuntu 20.04) computer. For simplicity, I will stick to two devices, named A and B, with static IPs [192.168.0.A] and [192.168.0.B]. The Linux computer (Called the Host) …

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docker complain I have a bridge name conflict with a invisible network

docker complain I have a bridge name conflict with a invisible network When I reboot machine disabled the docker.service, I do not have br1 in my ip a output. However, after start docker, the br1 appears. But sudo docker network inspect does not show any related network. Error response from daemon: cannot create network 33618cb1603a773a11d97750182fde9d8feb98c03a9882bb0c4539c3ea3fbe1d …

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Driver installation (Intel PRO/1000) – Solaris 10 1/13

Driver installation (Intel PRO/1000) – Solaris 10 1/13 I have installed Solaris 10 1/13 on a computer containing an Intel PRO/1000 card. My problem is that the OS don’t seem to recognize the device, ifconfig -a gives me only the loopback adapter (lo0), I can find information that suggests that the driver should be included, …

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Can't ping devices on LAN

Can't ping devices on LAN I’ve got 2 Access Points attached to my laptop’s ethernet port via a PoE switch. I’ve assigned static IPs & names to them with dnxmasq (successfully, I believe). However, ping and ssh say they’re unreachable. So what have I missed, and how can I successfully ping 10.0.0.10? More info: The …

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Two identical network cards, one unclaimed

Two identical network cards, one unclaimed I got two identical network cards in my server that I run Proxmox VE on. One of them is unclaimed, the other one is running fine. Can anyone help with this? I understand that unclaimed usually is a hint for a missing driver. But why does the second card …

Total answers: 2

Dedicated network interface for OpenVPN

Dedicated network interface for OpenVPN I’m trying to use an OpenVPN client service to serve a vpn connection over specific application. In my case I want to setup my tor and only tor connection to go over vpn. Should How would I achieve this? I tried to add a link with ip link add, including …

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Raspbian static IP on Wifi without DCHP service

Raspbian static IP on Wifi without DCHP service I’ve tried to set up a static IP on a RPi4 running the latest Raspbian Lite (Bullseye), so I can remove DHCP entirely. My /etc/network/interfaces file looks like: # Include files from /etc/network/interfaces.d: auto lo iface lo inet loopback I also have /etc/network/interfaces.d/wlan0, which looks like: auto …

Total answers: 2

Router configuration. Sharing the same network over two interfaces

Router configuration. Sharing the same network over two interfaces I have a router, R, and two hosts, A and B. They are all running Ubuntu 22.04. I have both physical access and necessary permissions to all machines involved in the setup and I would like to ssh from B to A. My initial setup involved: …

Total answers: 1