Questions tagged [lan]

A local area network, or LAN for short, is a computer network that connects computers in a small area.

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How can I ping my Linux system by name without manually typing hosts files?

If I install Windows on a computer, and plug it into my LAN, I can immediately ping it by name from any other computer. If I install MacOS on a Mac, and plug it into my LAN, I can immediately ping it ...
Sod Almighty's user avatar
1 vote
1 answer
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iptables rule not working as expected

I cannot get this one rule working right. My interfaces: #WAN auto wan0 iface wan0 inet dhcp #LAN auto lan0.7 iface lan0.7 inet static address 172.17.7.1 netmask 255.255.255.0 vlan-raw-...
Lee's user avatar
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Set up wired ethernet LAN to coexist with wireless WAN using NetworkManager

I have two network interfaces on a client PC, one wired, one wireless. The wired is connected directly to a server PC running DHCP, which gives the client PC a 10.0... address. The client PC also ...
tomoverlund's user avatar
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PopOS LAN not working but WiFi works

LAN not working on my Pop OS. The wifi still works though, it's been a day since this happened. I changed ports and all of the cable and the cable works for others as well but not on my laptop l.
Rohan's user avatar
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Find out what MAC addresses are connected to each physical LAN port of router

I'm managing a router running Linux 3.10.87-rt80-Cavium-Octeon On the router's GUI, there's a "Switch ports" page where I can see all ethernet ports (4 LAN - 2 WAN) and their corresponding ...
mariano-daniel's user avatar
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190 views

How to redirect all traffic through a proxy without a loop?

I want to redirect all traffic from my apps and programs (including those that do not support proxy or VPNs in their app configuration) to a local HTTP/SOCKS proxy server, which will then redirect the ...
Farel Reski Aditiya's user avatar
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1 answer
117 views

How to access files shared from Windows on FreeBSD?

I have a desktop with windows 10 on it, and I have another desktop with FreeBSD on it. No virtualization. I have shared some folders on Win desktop, which I can access on LAN with other Win10 laptops. ...
rohit4444's user avatar
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How to configure bird 1.6 router to reject local LAN traffic?

I am setting up CI environment where I have two subnets connected by two peered bird routers. My current ipv4 config on one of the routers is as follows: protocol device { } protocol direct { ...
Wojciech J. Migda's user avatar
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1 answer
131 views

Remove internet access without losing LAN

I have a small cluster (all nodes run Debian 10) and need to remove the internet connections of all slave nodes. The internet cable connection connects to a computer that acts as a firewall, then, ...
Carlos Andrés del Valle's user avatar
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UFW apparently causing SSH to timeout despite specific rule

I'm new to SSH and ufw and would like to understand why one type of rule works between two Linux Mint computers on the same home LAN but another does not seem to work. I just wanted to allow one ...
Puffin's user avatar
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Device connected to local network with IPv6 despite noipv6 setting

In dhcpconf.conf file I have set noipv6 in the section of interface used for the connection, in past this apparently worked, now the device has assigned both IPv4 and IPv6 as I can se from inet6 ...
AndreaF's user avatar
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Wired network loses connectivity, gets fixed after restart

I'm using Fedora 37 on a desktop computer. More detailed system info at the end of the question. The system randomly loses connectivity (shows a yellow excalamation mark with "limited connecivity&...
Alireza's user avatar
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1 answer
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Unable to turn on Wake on LAN (WoLAN / WoWLAN) using ethtool

sudo ethtool <devicename> Settings for <devicename>: Link detected: yes No details regarding Supports Wake-on show up.
Hrishikesh Kadam's user avatar
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1 answer
391 views

How do I move (a) file(s) from Windows to headless Ubuntu Server without retaining the original copy(ies) in Windows?

question title pretty much sums it up but for more background; I set up an Ubuntu Server to host Plex on for myself and family members. Currently to add movies I will extract files from a disc or ...
Ego's user avatar
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lan1: Link is Down from time to time in OpenWrt

I have two identical Redmi AC2100 routers with OpenWrt on them. Devices is configured as "dumb" access points, connected to network with LAN interface. One device is having the following ...
Dims's user avatar
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Can't get server to make use of 1000Mb/s

I've build my detain 11 home-server with a gigabyte b550 gaming x motherboard. On that board there is a realtek RTL8111/8168/8411 Lan chip. At home I've everywhere cat 6A cables and everywhere I can ...
Martijn Bakker's user avatar
-1 votes
1 answer
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How to connect to the four Ethernet ports on a wireless router?

Let's say we are happy with our typical wireless router. But one day we notice it has four LAN ports. We connect an Ethernet cable from one of them to our computer. On our computer do we use: ...
Dan Jacobson's user avatar
4 votes
2 answers
3k views

What is my LAN IP (ubuntu and missing eth0)?

Running 20.04 I am trying to figure out what my LAN IP is on my laptop. If I run ifconfig I get (trimmed down): $ ifconfig docker0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 inet 172....
u123's user avatar
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1 answer
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How to automatically update new hostnames inside local network?

I'm trying to make some simple decentralized DNS for my local network. The trouble is that every time I add a new machine, the other machines on the net can't find its name automatically because it ...
Lerian Acosenossa's user avatar
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How to connect a CUPS printer to a Fedora box through a firewall?

I have bought a new printer and connected it to my LAN/wifi with an Ethernet cable and I can access the printer from my phone. But when I try to add the printer to CUPS on a Fedora box that is also ...
Martin Ellison's user avatar
1 vote
0 answers
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Raspberry Pi Wlan Connection Crash/ Multiple networks in parallel

I have a raspberry pi 3 model b which uses LAN to connect to my router (fritz box, internet, ...) and in parallel a wlan connection to a different wlan router (a tello drone providing a wlan network). ...
user2353870's user avatar
1 vote
0 answers
51 views

mint mate 20.2 network stops working after restart since change

my system stopped working right, maybe last patch maybe i did something wrong. please look into it,and maybe somebody has a solution,what or how i can change it to get it working again the main isuse ...
Noal's user avatar
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1 vote
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Unable To Access Port Forwarded Content via Domain Name/Public IP Address From Within LAN

I have iptables setup to forward Traefik ports 80 and 443 to WAN, and am able to view the content via my public IP address and registered domain name from outside of my LAN (tested on mobile with WiFi ...
Mike B's user avatar
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1 vote
4 answers
550 views

Is it possible to distinguish between needing a regular cable and crossover cable from the CLI?

The value of /sys/class/net/ethX/carrier can be used to determine if the computer is connected or not. Is it possible to make the destinction between being connected to a hub/switch are another ...
ViToni's user avatar
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1 vote
2 answers
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udev without LAN access?

I am running a RPi 4b with Raspbian (Bullseye), Logitech Media Server (LMS) 8.2.0 and Squeezelite 1.9.9. For automated startup of the Squeezelite process whenever a certain USB device is connected, I ...
Sven Rüberg's user avatar
0 votes
1 answer
244 views

How does ping command work internally

I have Ubuntu 18.04 and two network interfaces (eth0 & wlan0) attached to it. So, I have effectively two LAN's (say LAN1 and LAN2) When I fire a ping command simply like ping followed by some IPv4/...
Network_starter's user avatar
0 votes
1 answer
933 views

When connected to Wifi I am unable to ping directly connected computer

I'm running the latest version of Pop! Os. I have a laptop connected to my main computer via an ethernet cable. The laptop IP is 169.254.83.40 and my main computer IP is 169.254.83.50 on the connected ...
user489128's user avatar
0 votes
2 answers
97 views

Connecting two different networks through wifi routers [closed]

I am trying to connect two different networks by using the following layout: On the network 1 I have a computer/laptop with ip address 10.0.0.2/24 connected by Ethernet interface (eth0) through a ...
talionis's user avatar
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1 answer
432 views

Bad Internet Causes Bad Local SSH connect

I'm running into an issue that has me scratching my head a bit and can't seem to find the right information online to clear things up for me. networking has never been strongest subject, but hopefully,...
Dylan's user avatar
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1 answer
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Trouble connecting to a LAN device

I have a measurement device (an Agilent frequency counter) that I want to communicate with directly via it's LAN interface. However, my Ubuntu 20.04 laptop does not seem to want to establish a ...
nivk's user avatar
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0 answers
130 views

Can I force router changes from linux CLI, like port forwarding with UPNP?

I have seen that I can use miniupnp to apply port forwarding on my router, and I would like to find another tool to apply DNS and/or DHCP settings on the router. Is this possible? My goal is to have a ...
xiki's user avatar
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0 votes
2 answers
465 views

How is the LAN IP connected to the machine name?

I can't find how/where the LAN ip is connected to my machine name such that anyone typing the machine name (host name) will be directed to the IP. I know the machine name is under /etc/hostname/ but ...
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1 vote
0 answers
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Share apt upgrade packages between systems on the same lan [duplicate]

I have a bunch of clusters of Raspberry with Raspberry OS installed, they have all the same configuration and the same packages installed. I want to keep them updated but they are connected to ...
Ripper346's user avatar
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0 votes
1 answer
154 views

Can Access LAMP over LAN, CANNOT Access Sites

I can view a directory of my LAMP server running on Ubuntu 20.04 over my LAN using my mobile phone's web browser, when I type http://192.168.X.XXX. However, I can not access any of the sites/...
Time-Bandit's user avatar
0 votes
0 answers
42 views

How to know on which LAN a machine is connected?

I have two LANs (192.168.1.0/24 and 192.168.2.0/24) linked by VPN. I have one machine (RPI3b+) that I can be connected on the first or the second LAN (I move it). How can I know where is the machine ...
jpc's user avatar
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1 vote
3 answers
198 views

How to measure entire! LAN load for example with ntopng?

Is it possible to measure LAN load in the same way as it possible to measure CPU usage with top, i.e. in percent? For example, if I have 1 gigabit network, then how to know, how much of these bits are ...
Dims's user avatar
  • 3,255
-1 votes
1 answer
69 views

lan intranet only Ubuntu 18.04.4 - wordpress under apache2 is not available to android or IOS but is completely available from WIN10 client

I have recently installed Apache2 on a stable installation of Ubuntu server 18.04.4 and completely installed a working version of wordpress which is working for internal development work. I can't ...
Wayne S. Smith's user avatar
5 votes
3 answers
21k views

Can't resolve hostname.local on LAN

I used to be able to ssh [email protected] between machines on my LAN but it is no longer working. I can ssh using the IP of course, but it's DHCP so it may change from time to time. Both machines ...
Manumie's user avatar
  • 91
2 votes
1 answer
2k views

dnsmasq behaving strangely: dig returns result for dns lookup, yet ping reports "host not found"

Since my router does not resolve hostnames of LAN devices, I setup my server to act as a DNS using DNSMASQ. DNS Server Specs ---------------- OS: Ubuntu Server LAN IP: 192.168.1.4 I have a ...
turf's user avatar
  • 1,441
1 vote
0 answers
74 views

Ehternet LAN not working at full speed

I have a PC and a Laptop connected with a ethernet cable. Using ethtool, i found that my speed is 1000Mb/s which is 125MB/s. But, when i am transferring 6GB file i get ~30MB/sec speed. How do i ...
Tayyab Mazhar's user avatar
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0 answers
183 views

Cannot understand behaviour of ifup/ifdown and /etc/init-d/networking

I want to connect an IP camera to my laptop which runs Ubuntu. The set up looks like this: Once I have the physical connections, I change my /etc/network/interfaces file from: auto lo iface lo inet ...
Chani's user avatar
  • 418
3 votes
1 answer
2k views

Debian 10 intel i211 LAN not working

I have a newly built computer with MSI MEG X399 CREATION Motherboard, which includes two Ethernet ports with Intel i211 Gigabit Ethernet. I am running Debian 10, but the Ethernet doesn't work. I can't ...
Tom Atix's user avatar
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0 votes
1 answer
2k views

Stream microphone audio to LAN IP/ PoE speakers?

I have several IP PoE speakers and regular speakers with IP converters connected to common network switch on LAN. What can I use or how can I set up my network so that microphone recorded audio from ...
Armen's user avatar
  • 359
1 vote
0 answers
23 views

Sync multiple PCs every boot via home LAN (local files update old version on server)

I need your precious support and advices for a kind of setup for my home computing. So... I have two laptops and a desktop that I use same (or different) times. Every computer has a different distro (...
betoniera's user avatar
1 vote
1 answer
1k views

If you ssh to another device in your LAN, can you accidentally connect through a less direct pathway (WAN)?

My question regards ssh, sftp, scp, rsync, etc. commands where you connect to another machine which can be in your Local Area Network (LAN) or at some remote location you would typically connect via ...
T. Zack Crawford's user avatar
0 votes
1 answer
503 views

Nginx Domain name setup for LAN

I have a web application running on my linux machine that is accessible at all other network machines via IP address x.x.x.x:3001. I want to use a domain name like myfun.fun so that it can be ...
mubasher chaudhary's user avatar
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0 answers
1k views

CentOS 7 : ip addresses in ifconfig and in network-script are different

Given the CentOS server-like machine: $ uname -a Linux labsm 3.10.0-693.21.1.el7.x86_64 #1 SMP Wed Mar 7 19:03:37 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux EDIT My initial problem was that local ...
Ivan Lobzenko's user avatar
1 vote
2 answers
3k views

Disable Ethernet connection on Mac terminal

I am trying to write an alias for disabling ethernet connection and use the wifi using a command line. I can't access stackoverflow.com and other sites using ethernet due to corporate policies. Is ...
Brr Switch's user avatar
0 votes
2 answers
7k views

How to access a device connected to local network with its hostname?

I tried accessing a webpage in a server within the local network with the hostname of the device followed by its folder path and the name of the file (it is a basic PHP-file). In the first system it ...
Ruban Raj's user avatar
0 votes
1 answer
464 views

How do I connect to a QNAP [closed]

BACKGROUND DETAILS: I've inhereted a QNAP TS-459U-RP. I currently have it connected to my home router via an ethernet/rj45 cable. My computer is connected to the same router. How do I access the ...
oshirowanen's user avatar
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