Questions tagged [ip-address]
An IP address is a numerical address given to any device connected to a network.
48
questions with no upvoted or accepted answers
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Can the newest IPAD-pro run Ubuntu as a VM under an app such as VMware?
We just got a new IPAD-Pro and would like to run Ubuntu on it. Previous posts have very much negated this possibility, however the newest IPAD seems to have all of the speed needed; BTW, there is a ...
2
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0
answers
189
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weird DNS resolution problem
I am running Ubuntu 18.04, all updates. I encounter a consistent DNS resolution problem with exactly ONE web address, namely that of my university. It occurs when the following conditions are met:
[...
2
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1
answer
267
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Ubuntu Server 16.04 ismissing enp3s0 section in ifconfig
This morning our server encountered an error. The IP Add was changed to dhcp, and I tried to set it as a static IP, the one we reserved for the server to be accessible by the local network. After ...
2
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0
answers
643
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network profiles in ubuntu 12.04
I use a wired connection at home and in college. But at home i set my ipV4 settings to automatic DHCP whereas in college I need to manually enter the ip address, subnet and gateway and i also need to ...
1
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0
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When does ubuntu initiate a DHCP lease renewal?
After doing some research. I found out that some DHCP clients initiate a lease renew when 50% of the lease time has elapsed. And I need to know if this is valid for ubuntu 20 and later DHCP clients. I ...
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0
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How to add 500 IP address (Range of IP) in Network File for single interface
Ubuntu 20.04.4 LTS was what I was using.
How can a single interface be configured with a 500 IP address ( Ranges of IP address) ?
For example
I need to configure 101.23.151.0/24 and 101.24.152.0/24
...
1
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0
answers
430
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Auto assign link-local IP address if DHCP not present?
In Ubuntu 22.04 network settings I have the option to manually choose to use a link-local address (which will be configured automatically if I do). I'm looking for the equivalent of the link-local ...
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0
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361
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How to Set mac address as host name and hosts 127.0.1.1
I'm using Ubuntu for my OS and I'm struggling to set my host name and hosts to a mac address automatically any help on this would be great.
NAME=$GATEWAY_MAC| sed s/://g
hostnamectl set-hostname $NAME
...
1
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0
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913
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Ubuntu 20.04.2....Bonded NICs as TRUNK interface...assign IP from a specific VLAN to the bonded NICs?
I am attempting to setup BONDED NICs (2x 10G). We have 6 total NICs, 4x 1G and 2x 10G, do not plan to use the 1G connections at this time.
Looks like I have the NICs bonded (no errors in networkctl ...
1
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0
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300
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Connect Linux Ubuntu to network via Ethernet
I have a laptop with Linux Ubuntu 16.04 on it and I would like to have an Ethernet connection in order to access Internet. The problem is - in 95% of tries to connect via Ethernet, laptop takes VERY ...
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0
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Ubuntu 16.04 Multiple Network Adapters, Same Network
I need to configure a gateway PC working with Ubuntu 16.04 so that multiple LAN adapters (eth0,eht1,wlan0) communicate within one same network addressing scheme.
How can such a configuration be made ...
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0
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Ping LAN computer with hostname
I have setup my LAN and there are a couple of computers connected through a router. Every computer gets their IP address automatically by DHCP running in the router. Each computer has their own unique ...
1
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0
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74
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I've rented a subnet and assigned the IPs to my server. Why aren't they working?
like I said I've rented a subnet and I've set them up with a host on an Ubuntu 14.04 server. I was told I need to change the interfaces file to get the new IP addresses to work, I have tried this and ...
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0
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Scan IP addresses on a wired network
My computer is connected to two wired networks and a wireless network, as you can see in the network settings:
The currently selected network is actually a Raspberry Pi Zero connected via a USB cable....
1
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0
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317
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Error: java.io.IOException: Communications link failure
I am doing a small project to achieve auto-completion on ubuntu.
I run the code in Docker with hadoop. I also use Ampps downloaded from http://ampps.com/download.
But I have a problem that I can't ...
1
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1
answer
54
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Windows connects, Ubuntu doesn't
I'm trying to connect to a school network that uses MAC filtering (and other restrictions?). I've been given an IP address specific to this machine, and it connects without problem in Windows 10. ...
1
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1
answer
3k
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local network: how to change broadcast address (with GUI)
Is there a way, to change the broadcast address for network config via GUI?
if I set my network config to "auto", connection establishes with following information for IPv4:
IP-Address: 192....
1
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1
answer
936
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Internet sharing with static mac-addr to IP mapping
I can create a network between my ubuntu 14.04 and another machine by connecting ethernet cable between my ubuntu machine and second machine, and then setting "IPv4" to "share to other computers". ...
1
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1
answer
343
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Unable to connect to router-goes to web server instead
When I type 192.168.1.1 which is supposed to open up router configuration page, i'm being sent to apache web server's default "it works" page. How to resolve this IP conflict?
This is happening on ...
0
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1
answer
36
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ip addr does not chage
I am trying to change my wifi router.
The old one (zz-home-tm) uses subnet 192.168.12.*, the new one (zz-home) - 192.168.0.*.
At the moment both routers are running.
Even if I switch to zz-home, the ...
0
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0
answers
24
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Can't transport Ubuntu to another machine - fails dhcp connection
I have an application running under Ubuntu 18.04 server which I've always been able to clone and move to another machine. When I create a 20.04 drive, I can move it to another machine with the same ...
0
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1
answer
378
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Get up address of all devices connected to a Netgear switch
I have a Netgear switch that has 8 Ethernet ports. I connected 4 devices to that switch and then I connected the switch to my Ubuntu 22.04 PC using Ethernet cables. Now, I see only the IP address of ...
0
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0
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348
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Netplan AP bridge not applying any IP addresses to any interface
I'm trying to set up an Ubuntu server as a wireless access point but having some difficulty getting it all to work. I'm using the following netplan config:
network:
version: 2
renderer: ...
0
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0
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227
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Assigning IP addresses to eth0
I'm totally new to both linux and pentesting. I'm following the HTB academy, but I'm stuck on assigning IP addresses to eth0 (enp1s0 on my machine).
I started with sudo ifconfig enp1s0 up, then assign ...
0
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1
answer
415
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Changing the IP address in a VM and pinging it from another VM?
I have 2 machines in a VM, I want to change the IP address in one machine and ping it with the other. I changed the IP address through wired connections in settings for both the machine (10.0.2.20 and ...
0
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0
answers
827
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How do I show all ipv4 and ipv6 addresses by using grep
I'm trying to grep inet addr and inet 6 addr from ifconfig. I can grep inet addr or inet6 addr alone only.
How can I show both IPV4 and IPV6 addresses in one command?
0
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0
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182
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Why do I have 2 network addresses for one interface?
I logged onto my home server through SSH today and noticed that I now had 2 local addresses for the same Ethernet interface, enp5s0:
IPv4 address for docker0: 172.17.0.1
IPv4 address for enp5s0: 192....
0
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0
answers
178
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How to give a name to a specific interface in a local network? (Ubuntu 20.04)
I am currently trying to set up (as a total noob) a small home server running Ubuntu 20.04. The server is a Minisforum mini PC (U820 model) with two Ethernet ports. The first port is connected to my ...
0
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1
answer
30
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Static IP address option on first time run of Ubuntu - Who do I ask?
I've installed many versions on Linux and the latest is Ubuntu on a Raspberry PI.
Is there any way that static IP settings can be an option when you install the OS for the first time?
Not having this ...
0
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1
answer
521
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Where does dhcpclient store address
I have recently had to replace my motherboard (don't ask, if you don't want to see a grow-up cry ;-) )
New motherboard -> new ethernet -> new MAC address -> new IP address via DHCP.
As I had ...
0
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1
answer
505
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Multiple public IP's assignment on same server Ubuntu 18.04
Is it possible to assign multiple public IP's to a single ubuntu server? Below is my requirement and need your valuable inputs.
My application is a platform where my clients connect to and they have ...
0
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1
answer
2k
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What is the difference between hostname -i and ip addr linux command
I wasted almost an entire day figuring out why my newly created vm hasn't been allocated an ip address. I was using the command hostname -i which returned 127.0.1.1, however, after using ip addr I ...
0
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1
answer
751
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Internet only connects to certain websites (Google, Wikipedia, Facebook, Twitter)
I didn't change anything before this problem happened. I try to go to any other websites besides the ones listed in the title and it tells me the site's IP address could not be found.
I tried looking ...
0
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3
answers
746
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how to find a valid Private ip address of the machine out of all the interfaces?
My main objective is to find out the valid interface's private IP address in Linux machine.
e.g. I have 7 interfaces and out of 7 I have two interfaces docker0 with IP address of 172.12.2.1 and eth0 ...
0
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1
answer
612
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Remote desktop conection from Ubuntu 18.04 to Windows 8
I am trying to establish a connection from my Ubuntu 18 to a client's machine via Internet (for support purposes). My problem is how to specify the remote machine using IP address since they share one ...
0
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0
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265
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no IP address for certain MAC
Please assist-
I have a wifi radio that will not obtain an IP via DHCP. Basically, a DISCOVER packet is sent to the DHCP server, the DHCP server receives the packet, then responds with an OFFER but ...
0
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0
answers
508
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How can I add an IP adress to a network interface on Ubuntu Server?
I'm currently using Ubuntu Server 16.04.2 in Virtualbox and I'm trying to set up a web server. It seems like my server or rather the network interface "enp0s3" doesn't have an IP address or an "inet ...
0
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0
answers
401
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How to assign two different interface name on the same NIC card (Hardware MAC address)
I am using a Ubuntu Linux system. For my task I have to run some modules by executing the respective scripts. All the modules must run at the same time in the background but all have different ...
0
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1
answer
566
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SSH myself using public IP address does not always work
I am running Lubuntu 14.04 and have set up an SSH server. It has taken me ages to troubleshoot because of a confusing fact.
At home I can SSH my laptop from itself using either my local IP address (...
0
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1
answer
2k
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Ubuntu Server IP Static error to restart with ifdown and RTNETLINK: file exists
I gave static IP on ubuntu server, by adding the IP configuration in /etc/network/interfaces
the contents is
auto lo
iface lo inet loopback
# Static IP to eth0
auto eth0
iface eth0 inet ...
0
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1
answer
656
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How can cilents get ip addresses during booting time via dhcp server
I have installed a dhcp server and it is working fine. When I open the terminal on the clients side, they have got the address. The problem is that when I booted the client machines they didn't get ...
0
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2
answers
213
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Network Issues ubuntu server
I have a question in regards to network connectivity. I have a mac mini that is running ubuntu server 14.04 and I'm have difficulty not only using apt-get to update and download but for some reason ...
0
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1
answer
450
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Conneted to wlan0, but have no internet
I have a problem that only occurs on my home network. If I log on to Ubuntu, I get a wifi connection, I have an IP-address, everything looks right, but I have no internet connection.
I can use the ...
0
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1
answer
166
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Ubuntu server remote access?
Hi i'm pretty new to the use of ubuntu server. i had a spare computer laying around and i figured i'd make it into a storage device.
I have been able to get the server to work on my home network but ...
0
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1
answer
206
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Ubuntu Server several network ip config?
I have one ubuntu server
and i want config that with several IP address!
is it possible or no?
if yes how I can do that?
0
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1
answer
2k
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How to prevent non-root user from changing IP address and network parameters?
As I wrote in subject - How to prevent non-root user from changing IP address and network parameters?
It's on Ubuntu 12.04.
I followed instructions on Sitepoint's link http://www.sitepoint.com/...
0
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1
answer
2k
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How do I change the IP adress given for the shared connection?
I currently have my desktop PC dual booting Windows 7 and Ubuntu. The PC has a wireless card installed. I run a LAN cable from the PC to my Xbox 360. In Windows 7, I can bridge the wireless and ...
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2
answers
2k
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How to set ip address correctly?
I apologize in advance if my english is bad
i want to ask how to set the ip address, i have written this command, and then saved ctrl + x > Y > enter
but the result doesn't match
I've been ...