LAN is short for local area network. Commonly refers to cable bound networks.

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Cannot connect to any networks after spoofing MAC address

So I want to spoof my MAC address. However when I do so I am unable to connect to any networks. After changing it back to the physical MAC address of the network card, it works just fine. It worked ...
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Cannot connect to internal IP on interface

I am running Ubuntu Server 16.04. I have a static IP assigned to the network interface on the server. This IP is routable from outside the LAN I am wanting to access the same server from the internal ...
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Ubuntu Server 14 connects on LAN but not WAN

Every time I boot my newly installed Ubuntu 14.0.4, it always says "Waiting for network configuration". When I log in, I have to type sudo ifconfig enp3s8 up to activate my adapter (for some reason it ...
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how to change default lan connection in ubuntu 12.04 server

I want to change eth1 as default connection but in my server the default connection is eth0. To change default lan connection in ubuntu 12.04 server please help me.
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How can I set up a simple FTP site using Apache on Ubuntu 14.04?

I have Lubuntu 14.04 on two laptops, a Lenovo (booo) and an HP (ehhh). Both have Apache2 installed, and I use ssh and scp and rsync and gigolo and all that stuff without issue. So, I've got my Apache ...
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Problem related to ethernet port

I can connect to internet only via WiFi and USB dongle. My LAN port doesn't seem to be working. When I connect my ethernet wire the lights of the port blink. And system detects it. But is never able ...
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23 views

Trying to make a “server” for flashdrives and HDDs. Using lubuntu, open for changing Distros

Good moment everyone, I'm trying to make a network shared folder for all my flashdrives and HDD's. It would be something like, when anyone plugs a new device it would show on all pcs in lan, so anyone ...
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27 views

Wired LAN is connected to computer but internet is not working

I'm using a Ubuntu live USB to install something to another drive but I can't get the internet to work. I've tried connecting a wired LAN, wifi, my phone as a hotspot but it never works. Oftentimes, ...
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Connecting 5 servers to a cluster with 1000 Base T

I have 5 Servers for a MPI parallelized program. Running 16 treads each, a total of 80 threads interact with each other and write files of potentially unlimited size. Which thread talks with which ...
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With Kernel 3.5.0-21 the wireless card Realtek RTL8723AE-BT stop working

Yesterday, I updated my Ubuntu 12.04 to the Kernel 3.5.0-21 and the wireless card stop working... In other threads I saw the same problem with another kernels. Anyone have the new driver? I sent a ...
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Which port do I need to open so that others can connect to my “www” folder?

I want to follow this solution, but... I specifically want to let others access a site on a LAN that would be stored in the default "/var/www/html" system folder AKA 127.0.0.1 So I guess I just need ...
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60 views

Connect network server location in Filezilla in Ubuntu

I am using Ubuntu 15.04 now. But i am facing problem to add my network path (Shared folder in my network) in the Local path while using Filezilla. SO is there any way to add these locations in ...
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how to make a wired connection to wifi hotspot [duplicate]

i have lan connection to my laptop now i want to share this as the hotspot i am unable to this now can any please tell ... thanks in advance...
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Why Google ping (DNS server 8.8.8.8) in windows is faster than ubuntu 16.04 and Other Linux distribution?

I've read all the solutions regarding to similar problems existing in all the community and I've performed these options but none of theme work! I've checked the google ping both in linux and windows ...
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1answer
55 views

How to access multiple webpage on Ubuntu 16.04 webserver from Local area network

I have search long enough but can't bump into the answer. I have ubuntu 16.04 installed for local web development in one machine on a local area network. I have done installing LAMP etc. I have ...
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Brother device in LAN not detected as a scanner but as a printer only since 16.04

I have two computerrs in the same LAN, where computer A is running Ubuntu 15.10 and computer B is running Ubuntu 16.04. There is a Brother MFC-8860DN multi function center device connected to the ...
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43 views

How to Switch to Wifi if LAN internet is not working

I am using LUBUNTU. I need to switch to WIFI internet(if available) if LAN internet is not working. What I mean is that LAN cable is connected to local router has local ip address. But Internet is ...
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shared folder no access permission denied

ubuntu 14.04 64bit on computer A and B. Lan crossover cable connected. Made manual ip address settings. Disabled firewalls. Wired connection works. I have read posts also here. It will not work. ...
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Ubuntu to Windows remote desktop problem

I just got a desktop PC recently, and installed Ubuntu. Problem is the desktop had to be put in the basement, and I have satellite internet so I have to watch my data usage. I have a laptop upstairs ...
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128 views

Not able to update netmask in ubuntu 16.04

I am trying to set netmask, as I am using Internet under a proxy connection. I am setting netmask to 255.255.255.0, then I save it. When I reopen it shows 26 as the netmask value.
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SECURE LAN for File Transfer, 3 machines, upload/download from any machine to any machine

I would like to be able to access 3 different Ubuntu based machines securely, both upload and download, all on the same LAN. I need either written resources or step-by step instructions to setup all ...
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13 views

Stop access of LAMP localhost files through LAN

I have made LAMP setup on Ubuntu 14.04 system. My system is connected with LAN. Also other systems are also connected to the same LAN system. So in the router there are IP are showing like 192.168.0....
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68 views

Can't resolve hostname by ip address over nslookup

Hope, someone can help me. I've already searched the web for hours, but I can't solve this problem: I've got an Ubuntu Server on my LAN. I can fully use it (samba, ssh, apache2, xmpp...) by using it'...
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32 views

Unsupported device type 772 for “lo”

I don't know what's wrong happen to make eth0 stop working! Everything was working great, I installed php5 beside php7 on Ubuntu Server 16, modified /etc/network/interfaces and restarted machine then ...
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How can I make Ubuntu 16.04 tell that my connection to internet is limited

Since last few days I'm facing connectivity issues as my service provider is changing the fibre cables. As a result, my connection keeps toggling between " connected" and "Connected but No Internet". ...
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Ubuntu 12.04 dropping LAN connection

I have a Ubuntu 12.04 machine that has two Ethernet interfaces, both are static. eth0 is sitting on a network like: xxx.xxx.169.xxx with a 255.255.255.0 mask It's static address is: xxx.xxx.169.14 ...
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How to reduce Bandwidth using squid delay pools in a LAN

I have a LAN with user PCs that managed by linux squid proxy server. IP ranges : User1 category : 192.168.1.2-192.168.1.12 User2 catogory : 192.168.1.13-192.168.1.23 User3 catogory ; 192.168.1.24-...
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How to release all IP addresses in my LAN network

I have ~100 clients on my LAN. When they get turned on simultaneously many seem to get assigned the same IP addresses. - I use dhcp How can I get them get ubuntu to release all the currently ...
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Squid LAN network Per user Bandwidth monitoring

I have made a small LAN network with a ubuntu squid proxy server. The proxy server runs in my laptop with VMware where it is placed in between the ADSL router and 4 port switch. I have added 3 user ...
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29 views

Cant connect to LAN after moving to an optical fiber connection

I use Ubuntu Server via VirtualBox. We have just changed the office internet to an optical fiber connection and the internet on UBUNTU stopped getting recognized, even though when I open the browser ...
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Very Strange - Ubuntu messing up Windows LAN

I am helping my friend migrate to Linux from Windows. So we installed Ubuntu 15.10 on his system. His current setup is Windows 10 + Ubuntu. Everything is going well except a very strange issue. ...
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Why can't my machine resolve local windows hostnames?

When I ping any local windows hostname from my Ubuntu machine I get "unable to resolve host", but when I ping from a windows machine it works fine. Why would this be? OS: Ubuntu 10.04 Samba & ...
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Errors with USB device during boot?

Explanation I just built a new computer. Here are the specs: Motherboard: Gigabyte 990FXA-UD3 CPU: AMD FX 8350 SSD: SAMSUNG 840 Pro Series MZ-7PD256BW RAM: G.SKILL F3-1600C9Q-32GXM Initially I ...
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92 views

+Sharing wireless via ethernet. Problem

I have a computer running Ubuntu 12.04 connected to our house wireless network and I would like to share this connection with a Lubuntu machine I'm setting up via direct ethernet. I have connected the ...
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Can't acces Ubuntu Server 14.04 outsided LAN anymore

I am a lawyer not a Computer Science guy, please go easy on me! I set up an Ubuntu Server with a no-IP account and ownCloud. The first few days it was working great and I was able to access it from ...
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LAN Card behaving inconsistently

I have a system with Ubuntu Server 14.04 installed on it. The onboard ethernet port is faulty. As I want to setup DHCP server on it, I have installed two external LAN cards. I also have a leased line. ...
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Kernel problem, how to downgrade

I am using Ubuntu 15.10. uname -r 4.2.0.30-generic. But this kernel is installed partially with errors and my boot loader got default updated to that. I have Linux image 4.2.0.16,4.2.0.27,4.2.0.30,...
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LAN port or LAN driver problem Ethernet Wirelan

I am having Ubuntu 15.10. yesterday after power shutdown I disconnected LAN wire from modem and connected to LAN port of Dell laptop. But my connection is not detected. I can connect through wifi. ...
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Installing lan drivers (no linux versions)

Stuck with ubuntu 14.04 unable to work as the drivers for my lan are in a .exe and cant download anything onto the machine. I was wondering if their is a way i may install just the inf files or if i ...
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Cant connect to Ethernet after system installation (Ubuntu Server)

I have installed Ubuntu server edition on a computer. During the installation I skipped the network configuration, and now I don't know how to connect to the internet via LAN / Ethernet.
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72 views

How to get pc-name from IP address?

Anyone can tell me how to resolve pc-name for a given IP address on local area network ? I went through many answers but no one helped me :/ I am mentioning all tricks I used below :: netstat -a &...
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52 views

Run a bash script over network

I have a LAN which contains more than 50 ubuntu machines. I want to change entire LAN authorization with a centralized ldap server. I have a working LAN server, and i wrote a script to do all the ...
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Internet through WiFi, LAN through ethernet

How can I have my Ubuntu system simultaneously access the internet through its own WiFi adapter (not sharing) and have the wired ethernet connection be used to access the LAN? Where LAN means it's ...
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how do I block other computers in LAN like 'net cut' in windows

i used 'net cut' in school to block other computers in LAN. How can I do the same in Ubuntu? I am looking for a program or terminal commands.
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24 views

Lan connection off after upgrades [duplicate]

My lan connection is not working after my ubuntu 14.04 asked for routine upgrades of software. Kindly help
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164 views

Creating a VPN without a router for gaming

I am a noob and don't have much experience in network related stuff. I am trying to Create my own VPN for gaming purpose. I keep coming across port forwarding in forums. I use ubuntu 14.04 lts and ...
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660 views

Can /etc/hosts be set up automatically?

I need to automatically add mac-addresses to some file and manually add the hostnames assigned to them. A script will then scan my home LAN for those mac-addresses and populate the /etc/hosts file, ...
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rc.local getting invalid values from sysfs

I'm trying to get LAN cable status in rc.local file (ubuntu.14.04). But I'm always getting invalid value for the carrier, even if the cable is connected. echo $(cat /sys/class/net/eth0/carrier) If ...
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Unable to connect to 'openconnect' through LAN

I am trying to access 'openconnect' VPN through my WiFi and it works perfectly fine. The steps that I had followed were first "sudo /sbin/modprobe tun" and then second "sudo apt-get install ...