IP or Internet Protocol. Use this tag for questions about IP addresses or configuration, or the protocol as applied to Ubuntu.

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3answers
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Setting a static IP address.

I'm trying to set a static IP address in 12.10. When I run ifconfig, I find that both lo and wlan0 have downloaded packets. In my /etc/network/interfaces file it says auto lo. Which should I be ...
19
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1answer
4k views

Public IP Address for LXC container

Ok, so I want to know how to do networking on LXC containers. Not just the sort of vague information you get from the other websites, but a true beginner's guide to making them work.. Since most ...
4
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1answer
1k views

IP Messenger Error on Ubuntu 12.04

I installed IP Messenger (GNOME 2) from Ubuntu software center but its not working. It's always showing an error message on Ubuntu 12.04. FileName:ipmsg.c Function:create_lock_file Line:157 Can not ...
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6answers
4k views

How to control an Ubuntu PC from another Ubuntu PC over Internet, using mobile broadband connections?

There are two Ubuntu PCs called A and B. A and B are connected to the Internet using two separated Internet connections. (In my case, two mobile broadband connections ppp0 x2 ) Each connection has a ...
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2answers
8k views

I need to reset my computer's ip address to dhcp from static

I have been running a file server on Ubuntu for a couple of years now. Recently I had to take the network down. When I brought it back up, my server lost its ip address from the router. I can't ...
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3answers
161 views

Connecting Two Computers Together: Assigning IP doesnt work

I messed up. I have two network cards in one machine and one in the second. I tried to connect two computers together by setting a static IP on two machines like this: comp1: sudo ip ad add ...
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0answers
2k views

Install Network Printer Manually (Router : TP-Link TL-WR842ND)

Router Model No. : TL-WR842ND After reading this article, I carry on the installation but it does not work. This is the properties page : I have attempted to print test page but the status shows ...
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2answers
9k views

How to set a static IP address?

apt-get fail to resolve the mirror. I am using my server as a backup server to one of my website servers. So I had to initially set a static IP address... How can I do it?
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1answer
261 views

Multiple IPs for a single WIRELESS NIC

I would like to have both a static IP or two (different locally routable subnets) and a DHCP virtual interface on a single physical wireless NIC. Any suggestion on how to address that? Ubuntu ...
1
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1answer
46 views

Multiple IPs on different subnets on one interface

I have managed to configure two IPs from different subnets on the same card. I changed /etc/network/interfaces to have: auto eth0 iface eth0 inet static address 172.16.4.254 netmask ...
0
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1answer
68 views

pptpd VPN: No internet access after connecting

I've followed the instructions in this tutorial to set up a vpn server, so that I can connect to that and surf the internet virtually from another location. So far from windows, I can connect to it ...
0
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1answer
204 views

how can i use grep to find IPV4 Number in a pcap file with regx syntac?

I'm new in ubuntu. I have this IP regex '\b((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.|$)){4}\b' I have a network pcap file, I want to use this regex and the grep -e to find all IP address in the ...
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0answers
831 views

Second NIC on dual homed server not working

I'm trying to set up a server with two IP addresses on different connections. The first NIC works fine (since I removed the gateway from the second), but I can't ping out or to the second NIC. ...