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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29 views

Setup static ipv6 address in /etc/network/interfaces

After changing to a new ISP last week I got a new IPV6 address at home. The IPV6 address is global so not just for my home connection. Because of this address my mail server isn't working properly ...
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13 views

Edit wired connections: IPv4 settings: Manual: Routes button

There is a "Routes" button in my Ubuntu 12.04LTS here: Edit Connections>Wired>Edit>Ipv4 Settings>Manual>Routes button Inside the Routes button I can add IP address, Netmask, Gateway, etc. I wonder ...
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2answers
37 views

How to find ip address for the apache2 server on ubuntu?

I have downloaded ubuntu on virtualbox , and I installed apache2 on it ,i did configured the server and it works on "localhost" ,the problem is that i need the ip address of the server ,the command ...
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2answers
37 views

Ssh safe enough?

This question is about ssh Hi i web server for my site, I use ssh :). I know i can port forward port 22 but is it safe enough? Let's say i use a password that takes a million years to crack or ...
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1answer
46 views

Permission denied on start-dfs.sh

I am trying to create a 2-node Hadoop cluster, following this guide. The one node is my Ubuntu laptop and the slave node, the 2nd one, is a virtualbox that also runs Ubuntu. I am doing in the master ...
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2answers
36 views

Assign IP Address on DNS

I am a new user in Linux,just started and was given this project to install a new DNS server. I have already installed the server using Ubuntu 14.04.04. Now I need to assign the IP address to the DNS ...
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1answer
17 views

Binding a list of IPv4 addresses to Ubuntu Server quickly

Is there a bash script or tool to automatically bind a list of IPv4 addresses to an Ubuntu server quickly? For example, let's say I have a text file named /root/iplist.txt and in iplist.txt, I have ...
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13 views

What is the best way to handle multiple ips safely on a single Ubuntu server?

Previously, I used to add virtual interfaces when I needed to to have multiple ips on a machine. Now, I need to a sign 29 ips to a single machine and virtual interfaces just doesn't seem like such a ...
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1answer
56 views

Disable ipv6 in ubuntu 14.04

I found that post How to disable IPv6 on Ubuntu? but i couldn't comment because i need to have 50 reputation I need to ask about this file /etc/default/bind9 ,I couldn't find this file How can i ...
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47 views

How can it bind port with ip address not 0.0.0.0?

I'm new to ubuntu also in networking so if you need more details i can provide you with it I binded port number 7700 , I got error in binding it like error in binding 0.0.0.0/0.0.0.0:7700 I read ...
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2answers
76 views

How to ssh into a server running on a home network, behind a router?

Okay, so I have a PC in my home network, running Ubuntu on a VM with openssh server installed. How can I remotely access it from another computer outside the home network, using the internet? What ...
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34 views

Access to a service hosted on multiple AP with the same IP/domain

I have a pretty strange problem to solve here. I need to connect to three Access Points at the same time from a single machine with a single WiFi adapter. As you can see here I've done it with a very ...
0
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1answer
38 views

Mask ip on ubuntu

I wat to mask my ubuntu station in the following way:I am having an internet connection with dynamic ip (PPPoE).I want to make some static ip and dns over that connection and use them when I go out.I ...
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16 views

LTSP/xRDP foreign IP address

Is it possible to get the foreign IP address of a user when they connect to the server via LTSP/xRDP - the client IP address? When they are connecting from home their home IP address. Thanks for ...
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12 views

ip rule problem

i have a weird problem with policy based routing in rule 0, there is some lines appearing and disappearing constantly. below, the output of the command (ip rule list | grep "0:") executed several time ...
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1answer
45 views

Trying to set up a web server, but my IP address looks very strange

I want to use a raspberry pi as a web server. For this I need my public IP address. When I ask google what is my ip, I get: 3b01:302:kr18:9847:b40c:mn93:4567:3d91 NOTE: only the shape of my actual ...
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0answers
15 views

Resolve domain names to IP's based on physical adapter

System Configuration eth0 NIC to the LAN/WAN/Internet (working, don't want to mess with it) eth1 NIC eth2 NIC Objectives Assign a static IP to eth1 and eth2 and assign IPs (DHCP) on separate ...
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2answers
131 views

How to trace the IP of a Tox user?

I am a user of Tox, my client is qTox (if that makes any difference), and I was just reading their FAQs section when I came across these sections: How does Tox Protect My Privacy? Tox ...
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18 views

How to prevent IP stealing when starting up an interface?

This behavior is found on our Ubuntu virtual machines. Basically, when we boot a snapshot of another VM, the new VM automatically steals the IP of its original. We then modify the IP through ...
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80 views

How I assign a new internal IP address to my eth0 adapter on Ubuntu Desktop 14.04 LTS?

Sorry if my english is not soo good. I hope someone can help. I installed and configured an Ubuntu Desktop 14.04 LTS system. I configured a home network, manually, assigning static IP to the GUI ...
2
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1answer
75 views

iproute2 and NetworkManager on Ubuntu15.04

Is there a way to "properly" configure a default route using the iproute2 suite of tools on an Ubuntu system? My desktop/server is connected via ethernet to a switch; when the system boots and ...
0
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1answer
77 views

Can't ping my IP address

I cant ping my own IP address for my machine running Ubuntu. I have tried to ping the machine with an external VPS but I still have had no luck. I have opened port 80 (TCP) even though I don't think ...
0
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1answer
42 views

PC to router to router, what's the IP of the first router?

Tl;dr: PC connect do router that is connected to the service provider's router. I can access the service provider router (192.168.1.1) but I can't connect to my own router. I live in a rented with a ...
3
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1answer
119 views

ip addr show is showing me two IP address on one interface

I am seeing two IP address on a single interface in a weird way. This is my output of ifconfig -a eth0 Link encap:Ethernet HWaddr b8:27:eb:26:b1:c8 inet addr:10.0.0.22 ...
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1answer
193 views

Ethernet not working after update 14.04 (64 bit)

After updating Ubuntu a few days back my ethernet has stopped working. The wifi works fine. I even managed to make my ethernet work once using sudo dhclient eth0 but could not replicate it after ...
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19 views

My Server IP is redirecting to /mail

Recently, I installed iRedMail and Round cube on my server. As it was using 90% of my RAM, I just backup "www" folder and re-installed the operating system. After that, I again backed up my www ...
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2answers
61 views

Which IP to use for localhost in Ubuntu virtual box- installing hadoop

I am trying to install hadoop single node on a Ubuntu 14 Virtual machine( on VMWare) on a windows 7 host. One of the steps says : Get IP address using: ifconfig You get xxx.xxx.xxx.xxx Edit ...
2
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1answer
151 views

Multi gateway routing in ubuntu

I want to setup Multi gateway on my Ubuntu Machine. 1 for ethernet and another for USB tethering. After browsing, from the below reference ...
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20 views

Web server & ICMP question

Im am very new here in askubuntu.com and pretty new to ubuntu server system. at our church we have a ubuntu control server which is in charge of internal network(DHCP) and all that related. the ...
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44 views

Cannot connect to printer — reports ip of 0.0.0.0

I have just started with Ubuntu. After a successful installation, I attempted to configure a Brother HL2170W for use, that was already installed on a local Windows 7 machine. The printer is wired to ...
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27 views

I can't reach outside ubuntu(VM) from ip netns

Ubuntu 14.04 VM is on oracle VM BOX on windows Host. I have two netns ns1 and ns2 . I have established connectivity between ns1, ns2 and global name space using a Openvswitch. Now that i am able to ...
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64 views

Why is my computer trying to connect to 127.0.0.1 port 9150?

I am trying to download GIMP and my computer won't connect download because it cannot establish a connection with 127.0.0.1 9150. But why is it trying to connect to the Tor IP and port. How do I ...
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536 views

How to fix the error: “An inet prefix is expected rather than [path spec]”

I have run into a Catch 22. After a sector fault had corrupted my / partition (and possibly /boot as well) by "removing empty inodes" (which in fact meant that an uncountable number of files got ...
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3answers
147 views

How to monitor public ip and the location(country, state, city) simultaneously in terminal

I am trying to monitor my public ip and the location. I found some command which could help me to find what is my public ip but I could not find any command which can tell me the location( Country, ...
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0answers
21 views

Ubuntu Server Not Booting After Changing DHCP Settings

I'm currently running an Ubuntu Server with 14.04LTS at home. I've recently had issues with the network and wanted to set the server to a static IP address internally. To do this I followed the guide ...
2
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1answer
61 views

No internet connection over cable (but wifi works) [closed]

I have Ubuntu Desktop 14.04 installed on MSI GT660. I am Linux newb. I can connect to internet using wifi but not over cable. contents of /etc/network/interfaces: # interfaces(5) file used by ...
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1answer
171 views

How to make static IP address dynamic in /etc/network/interfaces

I need to set the IP address of a ubuntu device() to be read from an EEPROM. The user has he option to change the IP address as well. I know the commands to read and write to the EEPROM. But how ...
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39 views

vidalia and tor works but doesn't hide my Ip?

i have recently installed vidalia from the software center and hopefully it works well and was connected to the tor network but when i google about my IP it stays the same .so how can i point tor to ...
2
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1answer
537 views

How to change the default TTL of TCP/IP packets?

I need to change the default TTL of TCP/IP packets sent from my Ubuntu computer. I found the solution for Windows: To make reg-file: Windows Registry Editor Version 5.00 ...
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45 views

Cannot connect to ethernet

I have a dual boot laptop. In Windows I can connect to ethernet without a problem but in Ubuntu Trusty it cannot get an IP address. Doesn't seem to be the network's fault because I've had this problem ...
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1answer
70 views

cannot ping localhost

I am not able to ping localhost ashish@ashishk:~$ ping localhost PING localhost (127.0.0.1) 56(84) bytes of data. ^C --- localhost ping statistics --- 16 packets transmitted, 0 ...
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65 views

Change virtual box ip from 10.2.x.x to 192.168.x.x

I have applications and xampp setup on virtual box with ubuntu 12. The ip address for virtual machine 192.168.x.x but after installing vmware ,ip change for virtual box to 10.2.x.x I want to change ...
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2answers
80 views

While installing this code i am getting an error IP address not found [closed]

I am using Ubuntu 10.04 LTS. While using this code i am getting an error. why so? sudo cp /usr/local/lib/libgraph.*/usr/lib
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1answer
32 views

Giving Ubuntu Desktop a domain name to ssh into [duplicate]

I know absolutely nothing about remote access to a desktop. I've just set up a machine with Ubuntu installed which I wish to run calculations on remotely. I've installed openssh-server and opened ...
0
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0answers
49 views

usb0 networking route randomly disappearing on 14.04 PC, connected to Beaglebone w/ Ubuntu-armhf

Let me rephrase that: seemingly randomly. So I have a PC and a Beaglebone Black. The PC is running Ubuntu 14.04 and the Beaglebone Ubuntu-armhf. With the help of the following (well structured, I ...
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1answer
51 views

Internet access through another computer

I have two PCs with Ubuntu 14.04 on both of them and I want to have internet access for the second one through the first one. I tried to put first one's ip addresss as default gateway for second one ...
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2answers
220 views

change inet addr:192.168.2.2

wlan0 Link encap:Ethernet HWaddr 28:e3:47:81:6e:06 inet addr:192.168.2.2 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::2ae3:47ff:fe81:6e06/64 Scope:Link ...
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2answers
68 views

How to share my files via LAN? [duplicate]

I would like to share my files via LAN. How to know IP address of mine and other's one by using terminal or anything else but without using Internet? I'm using Ubuntu 14.04LTS
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2answers
33 views

Use laptop wifi on desktop

I have had some wireless USB problems and I have decided to just try and use the piggyback-a-laptop method.I have an Ethernet cord, a Ubuntu 15.04 Desktop and a Peppermint 5 laptop.I have tried the ...
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1answer
30 views

Piggyback Ubuntu Desktop on Peppermint laptop wifi [duplicate]

As of late,i have had some real wireless USB problems and i've decided to just try and use the piggyback-a-laptop method, i have an Ethernet cord, a ubuntu 15.04 Desktop and a Peppermint 5 laptop. ...