Ubuntu – How to connect two laptops with ethernet patch cable to share files

14.04ethernetnetwork-managernetworkingwindows 8

I have the same problem as this question( How do I connect my desktop and my laptop using an ethernet cable to transfer files? ).

I could not comment on the answer selected by OP, because of not having enough reputation. That's why I am posting my query as another question for clear answer.

My question is: How do I set the ip address for each machine? Because I have connected the windows laptop with ubuntu laptop with ethernet cat6 patch cable, but the windows laptop shows it to be an unidentified network. So, then I tried to change my ipv4 addresses for the ethernet connection on both machines and did this respectively with no luck(I could not post images directly because of not enough reputation and so, gave the links instead)

Windows 8.1,
Ubuntu 14.04.3

P.S: I am fairly new to networking and Linux. So, any detailed help on this will be much appreciated. Moreover, yes, I have googled, but could not find/understand a solution or got a solution to work for my problem.

Best Answer

On the Linux machine run this command:

sudo ifconfig address 169.254.5.1 netmask 255.255.0.0

On the windows machine, you will need to run a command prompt as Administrator and run this command:

netsh interface ip set address name="Local Area Connection" static 169.254.5.2 255.255.0.0 169.254.5.1 1

You can replace the 169.254.*.* with whatever almost address you want, although it is highly recommended to stay in the 169.254.*.* block.

Keep in mind that Windows will always say Unknown Network for an ad-hoc connection like this. The only way to get around it is to buy a router or a switch. If you want to enable Homegroup, then you'll need to change your network location (multiple ways to do so in Windows, covered here) to private/Home.

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Ubuntu – Problem connecting to wirless internet – computer will not boot with networking unless ethernet cable is connected

I'm facing the same problem and haven't got to a full solution yet, but I have a workaround:

Let computer boot without network configuration, then after you log in, run terminal and run the following command: sudo service network-manager restart

If I find a permanent solution, I'll post it here. Hope it helps.

I finally got to a solution:

Edit file /etc/network/interfaces
Example:
```
$ sudo nano /etc/network/interfaces
```
Remove all network interfaces, except the loopback interface

In the end your file may look like this:

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

It worked for me. I hope it helps.

Ubuntu – How to connect two ubuntu computers with ethernet cable

The addresses 192.168.1.2 and 192.168.2.1 cannot talk to each other if you use the subnet 255.255.255.0. Notice the third octet (number) of your IP addresses is different, in the answer you linked to they are they same.

You need to either change the subnet mask to 255.255.0.0 or change the IP address of the 192.168.2.1 machine to 192.168.1.1 so that the third octet matches (1). You will then be able to ping one computer from the other.

A crossover cable is not needed. Ethernet devices made in the last 10 or so years support auto MDI-X which eliminates the need for a crossover cable.

Best Answer

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Ubuntu – Problem connecting to wirless internet – computer will not boot with networking unless ethernet cable is connected

Ubuntu – How to connect two ubuntu computers with ethernet cable

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