Questions tagged [networking]
Managing and using network connectivity on a unix system
8,132 questions
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Automatically connect to ethernet when available
I want my Linux laptop to connect to ethernet automatically when the ethernet cable is plugged in. Right now, if the laptop is connected to wifi, it will stay connected to wifi even after the ethernet ...
- 111
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Why is Arch Linux blocking all external connections, even without any firewall enabled?
I've recently installed Arch Linux on my PC, and am having a very hard time hosting any network services from it. I have the firewall disabled, but still, every connection appears to be completely ...
- 11
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Is it perfectly safe for the host to build any network structure of bridge type under a Docker container?
I'm thinking about using a Docker container to present complex networks, some causing some trouble, being misconfigured or else: it's for testing purpose.
networks:
frontend:
driver: bridge
...
- 2,385
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Ubuntu server can't get networking set up in university data center
I'm trying to set up an IBM Power 8 server in my university's data center to be used by my department. This is great for us because we don't have to pay for electricity or colocation. However, this is ...
- 123
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What is a bond port queue ID?
In Network Manager, there is a property for bond ports bond-port.queue-id. I suspect it's an optimisation setting used by the kernel, but this is just an educated (barely) guess.
What does this ...
- 957
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Why is the root distance to my router 2 minutes when pinging it takes 300μs?
I have an Arch Linux system and I am using systemd-timesyncd.service to poll my router for time sync.
My router is a MikroTik one with NTP server set up. The router and Arch are connected directly via ...
- 55
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Troubleshooting iwctl / networking , unable to start on arch linux (wlan)
I am unable to start iwdctl on newly installed arch linux. I have both wireless and wired connection. But i want to make sure the wired one is properly working.
Here is what i found,
[plasma@narayana ...
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manage route redirects received from the default gateway
tldr;
where does a Linux system store route redirects from its default gateway?
First some context:
network1 192.168.1.0/24
default gw: 192.168.1.1
host1: 192.168.1.10
host2: 192.168.1.20
network2: ...
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Ubuntu 24.04.3LTS server lost network access
I've a simple server running as an backup server for my work laptop. It runs Ubuntu 24.04.3LTS with an added LXQt-desktop.
A few weeks ago, I couldn't SSH into it anymore. After inspection, I noticed ...
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Service on raspberry pi only starts working after ssh
I have a rather weird and repeatable issue. I have 3 pi's, left, right, and base. The left and right have cameras and perform computer vision. They regularly send UDP packets to the base. The program ...
- 111
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nmcli - attempt a connection using a list of APNs
I do not know before hand which network provider's SIM card is going to be inserted into my device, so my current method is to just have a python script create multiple connections while iterating ...
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dhcpcd does not send hostname, reverse DNS does not work
I am using Debian Trixie on a server. I have installed it using ZFSBootMenu documentation, without a desktop environment. The installation is quite minimal in term of packages.
My motherboard has 2 ...
- 1,448
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No LAN or WAN access from Podman container with manually created network
I migrated a few Podman containers through these changes:
Host: Debian 12 -> Debian 13
Podman exec: podman run -> quadlet units
Network config: NetworkManager -> /etc/network/interfaces (...
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Internet disconnects sometimes when downloading large files
For some reason my wifi network just keeps disconnecting. It always goes like this:
It disconnects, then I get a notification from the System saying that the connection failed. It tries to reconnect ...
- 43
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How do I make my browser/desktop environment to visit the WiFi terms page upon connection?
When we travel with a laptop, we often find ourselves in an airport, train station, or other establishment which offers free Wirless network access. But - these often require, upon connection, ...
- 11k