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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How to assign IP when a machine is connected to the same network via two interfaces?

I have a Ubuntu 14.04 machine connected to the same subnet via two different interfaces, wlan0 and eth0. The machine is used for normal browsing of internet only. I am to manually assign IP addresses ...
4
votes
1answer
22 views

Setting up a server with IPv6

I have just upgraded my internet and my ISP (Comcast) sent me a new modem/router in one. I have managed to set the static IP of the server but after searching all over I can't figure out how to do the ...
0
votes
1answer
21 views

Why am I getting multiple IPs in Hostname -I

I am trying to get the local ip of the system using hostname -I. However, it is showing three IP addresses, instead of one. So, I would like to know what does more than one IP address signify? Also, ...
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0answers
15 views

Having Linux not automatically mirror services between IPs [closed]

I'm trying to run a docker container with its own IP address, but if I make a virtual internet card to get the IP address for the container, the kernel decides "Oooh, new IP address! I'm going to ...
0
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1answer
36 views

Get IPv6 address from IPv4? [closed]

Is it possible to do this? I don't care what tool, ping, nmap, nslookup. Hell, i'll even write a bash script. I just need to figure this out. Edit: All I know are IPv4 addresses and I want to see ...
1
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1answer
25 views

Why is my ubuntu ip always changing?

I have my ubuntu running in a hyper-v vm instance which I access the default apache website from the windows 10 host. everything works great but very often the ubuntu ip is changing I dont know ...
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0answers
10 views

How to achieve resolving of the same hostname to different IP addresses based on location

I have personal webserver with ownCloud installed. This webserver has no public IP address because my internet connection does not offer it. I ordered virtual linux webserver with a public IP address ...
0
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2answers
3k views

Set static IP Ubuntu 16.04

I am a new with Linux, having years experience with Windows servers/desktops and am having issues setting a static IP. I am using a method used for previous versions of Ubuntu, which doesn't seem to ...
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1answer
21 views

Can I use two differetnt IP addresses for same system

I have created one Ubuntu server for online examination the IP for this is 192.168.104.3 so my clients have range within 192.168.104.1 to 192.168.104.255 this is not internet ip.. I want that same ...
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2answers
646 views

MySQL istallation problem on Ubuntu 16.04 (my.cnf public ip problem)

I follow these instructions to install mysql in Ubuntu 14.04 and it works great. But I make a clean installation of Ubuntu 16.04 and make the same steps to install MySQL and I have problems. The ...
0
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2answers
26 views

IP Address Command Line [duplicate]

What is the command that shows your computer's personal IP address? I have tried ip addr show But that shows much more than I want to see.
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1answer
45 views

Cannot set IPv4 address

I am trying to install Ubuntu 14.04 in HP EliteDesk 800 G2 SFF, in which Windows 7 is also installed. While wired network connection works well on Windows, it doesn't on DVD-booted Ubuntu. Then I ...
1
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1answer
54 views

Ifconfig does not show my IP [closed]

When i'm putting the code on: ifconfig ifconfig results in a terminal shows: eth0 Link encap:Ethernet HWaddr: f8:a9:63:64:3f:1c UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets: 0 errors:0 ...
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0answers
8 views

Alcatel SIP on ubuntu

I want to know if is possible to connect to an alcatel IPX I know that the IPX server that I'm trying to connect use a codec that only the alcatel softphone and phisical phones has...
-3
votes
1answer
37 views

DDNS workaround

I just configured a ts3-server on an Ubuntu-machine and want it to be available all the time on the internet, but i don't have a static IP and my router doesn't support DDNS. Is it somehow possible to ...
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0answers
26 views

iface order and influence of empty line

case: # eth0.cfg The primary network interface auto eth0 iface eth0 inet static address IP-1 netmask 255.255.255.255 broadcast IP-1 post-up ip addr add 192.168.100.254/24 dev ...
0
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0answers
10 views

How to route external traffic via mobile-phone usb modem and use ethernet for internal traffic?

Suppose my internal traffic all goes through some ip like 10.0.0.1 for example. I want to tether internet connection from my mobile phone to my desktop while still have the access to internal network. ...
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0answers
20 views

How can I have the same IP address for Django and WordPress application?

I am currently developing a Python/Django based application on Ubuntu. It is hosted on a dedicated server in a docker. Let's say the IP for this application is www.myapp.com. I also have 10 landing ...
1
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1answer
21 views

How to supernet Class C IP address with isc-dhcp server?

Is this possible? subnet 192.168.1.0 netmask 255.255.248.0 { range 192.168.5.1 192.168.5.254; }
0
votes
1answer
42 views

Why can I only choose 1 IP instead of using 2 at the same time?

I've setted up multiple virtual IP's , but I can only choose either eth0, eth0:1 or eth0:2 . It wont use all IP's at the same time, so I can access my server only with the IP active at this moment. ...
0
votes
1answer
28 views

unable to give static IP to my machine

I have an issue while assigning static IP to my Machine. I am new to this forum and in Linux world as well, just now I installed Ubuntu Desktop LTS 14.04 on Virtual Machine. When I checked ifconfig in ...
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0answers
85 views

How can i add additional ip on ubuntu?

I have some problem with adding additional IP on Ubuntu. My interfaces file: auto lo iface lo inet loopback auto ens160 iface ens160 inet static address 10.201.120.213 netmask ...
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0answers
6 views

nm.d already present while launching multiple lxc application containers. Not able to launch more than 1 container

I want to launch lxc application containers on ubuntu. Am able to launch one container with an application. As am trying to launch second container with same application its giving nm.d daemon already ...
1
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1answer
72 views

How can I dynamically determine the IP mask to use for dynamic ranges?

I have a list of ranges for IP addresses that I want to block, the ranges are like 210.80.32.0 to 210.80.63.255 How can I dynamically determine the right 210.80.32.0/NUMBER to capture the full range? ...
0
votes
1answer
66 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 ...
0
votes
1answer
33 views

How to add multiple ips to ubuntu 12.04 server?

i hope that some can help me here. I have bought 6 additional IP:S and i need to run two gaming servers at same time for same game. So i need to add another ip so i can run these two servers at same ...
1
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1answer
142 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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0answers
54 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
172 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 ...
0
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2answers
46 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 ...
0
votes
1answer
205 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
39 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 ...
0
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1answer
36 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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0answers
23 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 ...
1
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1answer
115 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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0answers
123 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
402 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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0answers
36 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
votes
1answer
48 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 ...
0
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0answers
26 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 ...
0
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0answers
22 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 ...
1
vote
1answer
67 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
35 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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votes
2answers
214 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 ...
0
votes
0answers
28 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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0answers
122 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 ...
3
votes
1answer
122 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
votes
1answer
138 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
votes
1answer
50 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
votes
1answer
223 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 ...