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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22 views

open port for ip from outside local network

I am very new to the world of ubuntu so I hope my explanation of the issue comes across correctly... I am trying to connect to my Cassandra instance from outside the network of my ubuntu instance. ...
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0answers
12 views

Ping request returns DUP! error with 8.8.8.8 server

If my information is correct, DUP! error, happenes when there is an IP conflict or simply when two devices respond together to ping request. But here the Google Public DNS itself returns DUP! ...
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1answer
135 views

Disable ipv6 in ubuntu 14.04

I found that post How to disable IPv6 on Ubuntu? I need to ask about this file /etc/default/bind9. I couldn't find this file. Where can i find it?
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7answers
9k views

Displaying IP address on eth0 interface

How can I display the IP address shown on eth0 using a script ?
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2answers
126 views

Ubuntu can't set IP to static

Despite my greatest efforts I failed to set my destinated IP on my Ubuntu machine. I did the following: This is my ifconfig result: enp4s0 Link encap:Ethernet HWaddr 28:d2:44:f9:03:a1 ...
4
votes
2answers
8k views

eth0 NO-CARRIER, ifconfig shows no IP address

I left Ubuntu and came back after a while so I don't remember much. Now I'm trying to get my IP address. All I'm getting from running ifconfig is eth0 Link encap:Ethernet HWaddr 3c:97:0e:11:22:...
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2answers
11k 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 ...
0
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1answer
31 views

Ways to find if a server is infected by a bot

Seeking a method to discover if & where any malicious bot could be running on my Ubuntu desktop and server...and how to safely remove any.
24
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2answers
11k 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 ...
3
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1answer
54 views

Iptables block all incoming IPs

Is it possible block all incoming IP addresses, allowing only one or two IP addresses access on Ubuntu server?
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0answers
26 views

IP connections times out after “Internet usage”

let's start with the typicall: My computer is behaving weird :-( I have been looking for the source of the re-occuring error for weeks, hopefully you guys can help me figure it out :-) What is the ...
0
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0answers
14 views

How to find IP addresses of devices connected to a bridge?

I have created a bridge name called 'mybridge'. I have added some devices to mybridge. Now how to get IP addresses of the devices connected to this mybridge?
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0answers
21 views

Use endpoint instead of IP in iptables

I am using AWS ElastiCache and I am trying to configure it so that I can access it outside of AWS. Long story short, I have to execute the following command on an Ubuntu instance (AWS NAT instance), ...
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2answers
101 views

issue with settingup multiple ipaddresses on ubuntu desktop (v14.04 and v16.04)

I am trying to setup my desktop such that I have multiple IP addresses using a single NIC. First, I tried to do this temporarily using ip, this works fine, however is only temporarily. To try to set ...
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0answers
36 views

How do I connect to my dns server (via gui)?

I'm on lubuntu 16.04 LTS, and want to connect using both ipv4 and ipv6. I'm a linux noob and don't understand the answer given here I prefer to change settings via gui, if thats possible. edit: ...
0
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1answer
47 views

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 ...
0
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1answer
26 views

Why am I getting multiple IPs in Hostname -I [duplicate]

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, ...
4
votes
1answer
12k 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 ...
4
votes
1answer
25 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
53 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
27 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 why......
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0answers
12 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 ...
-1
votes
1answer
22 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
1k 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 my....
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1answer
48 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 ...
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2answers
28 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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3answers
16k views

How can I hide or show a different IP to a website?

I'd like to watch BBC Iplayer...but it only works in the UK. I am currently living in Spain. Is there a way to hide my ID and make the bbc website believe that I have a UK IP or something?
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vote
1answer
62 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 ...
4
votes
4answers
12k views

Issue with setting up multiple IP addresses on Ubuntu Server

I want to set up two IP addresses on my system for access through LAN. This is my config on my other system. Desktop Installation My desktop installation runs with multiple IPs added through ...
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0answers
9 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...
1
vote
2answers
800 views

How can I bring down this tun interface?

I can neither bring down nor delete this tun interface which is added on startup. Here's the output when I run ifconfig: eth0 Link encap:Ethernet HWaddr 50:b7:c3:92:38:e2 UP ...
1
vote
2answers
2k 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 ...
0
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0answers
31 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 ...
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0answers
13 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
21 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
34 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
49 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 ...
0
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3answers
25k views

Genymotion virtual device got no IP adress

when I try to run HTC Evo 4.3 (or other devices, it doesn't matter) in Genymotion (2.3.0 x64) (with VirtualBox 4.3.10) on Ubuntu 14.04, I get: The virtual device got no IP address. The VirtualBox ...
4
votes
2answers
4k 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 ...
0
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0answers
109 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 255....
1
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1answer
79 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
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0answers
8 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 ...
0
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1answer
70 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
43 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 ...
0
votes
1answer
9k views

How can I setup an Internal Network with Virtualbox? (Ubuntu 14.04)

Hi I've been trying to setup an Internal Network with two Ubuntu 14.04 virtual machines. But I've been unsuccessful so far. They both have the Internal Network adapters with the same network name, now ...
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1answer
187 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
74 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
300 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 ...