Questions tagged [networking]
Managing and using network connectivity on a unix system
8,136 questions
1 vote
1 answer
32 views
Add second host ethernet device to KVM virtual network
I'm setting up a lab environment for a relatively large distributed systems class next term. While we have a relatively beefy server(64cores, 256GB, 4TB Disk) that does run VMs for the 3rd year OS ...
- 11
0 votes
0 answers
20 views
There's no ping between two local Wi-Fi interfaces created by mac80211_hwsim and using NetworkManager as hotspot and client
1.-I've run sudo modprobe mac80211_hwsim radios=2 in a system to create wlan0 and wlan1 interfaces 2.-I've created the "/etc/NetworkManager/dnsmasq-shared.d/blabla.conf" file with this ...
- 228
-1 votes
0 answers
53 views
Accessing files on network device via USB port [closed]
I have a network device (USB cable modem) connected to a Linux laptop via USB port: is it possible to access underlying OS file system (eCos real-time OS) running on the modem via USB port? I tried to ...
- 1,471
1 vote
1 answer
62 views
Is it safe for my OS to run containernet docker image in privileged mode with /var/run/docker.sock:/var/run/docker.sock volume?
I have installed Containernet on Docker it suggests to run a sample with that command: docker run --name containernet -it --rm --privileged --pid='host' -v /var/run/docker.sock:/var/run/docker.sock ...
- 2,499
0 votes
0 answers
64 views
Are my ports closed to outside network?
I have a Fedora server with some ports opened on the machine firewall, namely the ssh (22), ftp (21, 30000-31000 for passive). ftp ports only accepts connections coming from within the LAN (192.168.0....
- 103
0 votes
0 answers
50 views
Cannot ssh from laptop to Kali Virtual server on desktop
I just install a Kali server on my desktop using VMWare. The VMWare image has been setup to us a NAT network. Using the ifconfig command on the Kali server, I know my IP address of the Kali server, it'...
1 vote
1 answer
78 views
Is there a way to set up a random delay after the kernel is loaded?
I suspect four machines in a Raspberry Pi Zero W cluster running the default OS coming online at the same time are overwhelming my router's network service - of the four machines, I usually see two ...
- 1,242
0 votes
1 answer
102 views
WSL2 not connecting to internet
First: This is not a duplicate --> I have read and tried about a thousand different answers to similar problems today, but none of them seem to work in my particular case. Also: I originally posed ...
2 votes
6 answers
811 views
Detect if any ping succeeds
I am trying to ping several IP addresses / hostnames, and determine whether any of them respond. Starting from this question, I'm using the echo host1 host2 host3 | xargs -n1 -P0 ping -c1 -w2 approach....
- 383
2 votes
0 answers
63 views
I'm trying to share a folder, but Fedora displays:- Failed to enable unit: Unit samba.service does not exist
I'm trying to follow the instructions on the Fedora site, to create a Samba share:- sudo dnf install samba Package "samba-2:4.23.3-1.fc43.x86_64" is already installed. Nothing to do. sudo ...
- 21
3 votes
1 answer
144 views
How to find the IP address of a service listed in the "avahi-browse" output?
I can very happily list the systems on my local net with the avahi-browser command: $ avahi-browse --all --verbose Server version: avahi 0.8; Host name: mylinux.local E Ifce Prot Name ...
- 10.5k
0 votes
0 answers
42 views
Docker + Create AP setup
I know this will be a bit of a stretch but... So I'm running ArchLinux on a Desktop PC with an i5, RX 6800, and a Realtek Wifi card from TP Link. I installed the linux wifi hotspot AUR package and ...
1 vote
1 answer
97 views
Debian 12 CLI - Static IP for a 5 Year Old
I've set up a little headless home server on RaspPi Ubuntu and now also a headless Debian 12 PC but remain confused as to the proper way to configure the network (Ethernet, Static IP, DNS[1.1.1.1/8.8....
- 13
0 votes
0 answers
37 views
NetworkManager: configure a network interface with MAC address X to have an IP address Y
nmcli device set expects ifname. Is there a way to use a MAC address instead (configure [network interface having MAC address X] to have an IP address Y)? If I disable the long interface names (so I ...
- 1
0 votes
1 answer
54 views
How to block network access for a specific command in a limited K8s container (no CAP_NET_ADMIN / iptables)?
I need to safely run open-source tools inside a Linux container that may contain sensitive data. To prevent any potential data exfiltration, I want to block only this specific tool from accessing the ...
- 1