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Questions tagged [ip]

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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2answers
32 views

Routing IP addresses in Ubuntu 18.04

I have been scratching my head about this all day. Basically, I have several servers on a private network, each with a private IPv6 address assigned and a public IPv4 and IPv6 assigned. I want the ...
0
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0answers
11 views

How to reload the routing table?

I messed up my routing table so I have duplicates and relics of tun1,tun2 etc for VPNs which are no longer alive. I just want to reload the routing table using ip, without restarting the machine. ...
3
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0answers
64 views
+100

How to establish IP connection for WWAN on 18.04

How do I establish and IP connection to the WWAN of a Sierra Wireless MC7354? I have a system with a Sierra Wireless MC7354 modem running Ubuntu 18.04. ModemManager can see and control the modem. $...
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0answers
28 views

Files being transfered to Public IP

I have a bit of an issue. Every night my Ubuntu server is sending data to an external IP: How can I see what is being transferred and how do I stop it?
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0answers
33 views

OpenVPN connecting, but not changing public IP

When i log into the VPN, i get a pop up saying that the connection is successful. The nm-applet icon in my (i3) status bar appears with a lock, as if i am connected to a VPN. My VPN connection gets a ...
1
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2answers
58 views

How do I setup network connection between two Ubuntu computers using patch cable?

I am attempting to ssh into an intel NUC mini computer from my laptop. They are connected directly using a Cat5e ethernet cable. Both systems are running Ubuntu 18.04. I have tried setting static IP ...
1
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1answer
208 views

Why don't I see my IP address?

I looked up few sites to know how to check my ip address and they asked me to open network panel and then open th wheel button and look up the address mention against ipv4.. but I don't see any ipv4 ...
1
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0answers
31 views

traceroute is not showing ip's instead it showing stars

I have installed traceroute in my ubuntu 18.04. Now when I want to trace a website's ip route then in the first line it shows a ip (may be my ip address) but in the fext following address it prints ...
0
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1answer
41 views

ip neigh display a mac address at a coffee store

I am working at a coffee store and tried command ip user@host:~$ ip neigh 192.168.1.1 dev wlp3s0 lladdr 5c:dd:70:96:80:52 REACHABLE I am aware that 192.168.1.1 is the router address, How about ...
1
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2answers
96 views

How to connect to a certain port on SSH [duplicate]

So, I am setting up an ssh server. I have installed the ssh-server program on my server. However, I didn't want to connect to it through port 22, because reasons, so I set the server to listen through ...
0
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1answer
28 views

Spontaneous change of IP address

I desktop computer with wired internet connection. IP is static, defined in /etc/network/interfaces. However once in a while I observe that my IP has changed without any reboot. Is there a way to find ...
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0answers
22 views

Device eth0 doesnt exist but network is up!

I have a script running for long time and suddenly it started giving error : "Device "eth0" does not exist." network is up and when I restart it I dont get errors "service network restart" also, ...
0
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0answers
53 views

How to to update link between Apache tomcat and PostgreSQL server

My company got 2 Ubuntu server (ver 18 ) svr-erpdb (IP :192.168.2.1/24 & GW : 192.168.2.254) svr-erapp (IP :192.168.2/2/24 & GW : 192.168.2.254) url 192.168.2.2 to access erp. Now we setup ...
0
votes
1answer
283 views

openvpn not changing IP address

I have set up an openvpn VPN on my ubuntu laptop, and everything seemed to be working fine, but when I connect my IP address does not change. I have tried to use the same procedure on my Mac (using a ...
4
votes
1answer
34 views

ip route multiple entries

I have a list of 60k CIDRs to block and I am planning to do this using the following command. ip route add blackhole 1.0.1.0/24 Is there a way I can import the whole list on my Ubuntu 18 server or ...
1
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0answers
27 views

Can't etablish connection with Owncloud and Docker

I created a cloud with owncloud run in docker. I download and extract this : https://github.com/owncloud-docker/server I open terminal in the folder and I type this : sudo docker-compose up So ...
0
votes
1answer
47 views

Network drops eveytime I change my IP

Every time I change my IP with the command ifconfig wlp2s0 192.168.132.118 I lose internet connection and the only way to get it back is if I run sudo service network-manager restart but then the IP ...
1
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0answers
14 views

I am not able to connect to internet under bridge adapter in ubuntu using vbox

I have used Bridge Adapter in Vbox Earlier I could connect but over a period of time IP address of Vbox kept increasing by 1 and then it displayed no IP address Now after reinstalling Vbox, I got a IP ...
0
votes
1answer
61 views

How can I find the IP addresses of devices on my local network? [duplicate]

Is there any way I can find out the IP addresses on my network? For example my home router is 192.168.5.1 and it is connected to an airos device the IP of which is 192.168.1.20, and the airos device ...
0
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0answers
16 views

Adding ip route deletes ip from network interface

I've got two computers connected to each other with a ethernet crossover cable. I then assign each computer for an IP address for the corresponding network interface with ip a add 192.168.100.1 dev ...
0
votes
0answers
128 views

Apache webserver showing IP instead of domain name

I put together a website hosted on apache2, with a domain name bought through GoDaddy. I can visit the website via my domain name or IP, but the address bar populates my IP address instead of keeping ...
0
votes
1answer
108 views

Assigning 2 Permanent IP Addresses In 18.04 Desktop

There are 2 themes of IP addresses on my network: 192.168.0.### 10.#.#.# 10.1.1.# 10.2.1.# 10.3.1.# ... 10.12.1.# How do I assign permanent IP addresses to access the services in the 10.#.#.# I ...
0
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1answer
28 views

Different IP - Ubuntu Server on Win10 (Oracle VM)

Iam running Ubunutu Server in Oracle VM on Win 10. I checked ifconfig and my inet adress is 10.2.X.XX for eth0 On my Windows Pc is my Ip is 91.51.XXX.XXX Shouldnt both IPs be the same? And how to ...
0
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0answers
14 views

Apache2 doesn't post anything on client's side

I copied my webpage indexes on apache's default directory (in this case /var/www/html) and when I want to access my website with the VPS-s IP, it doesn't post anything. Question: Has anyone ...
0
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0answers
23 views

Add additional IP to LAN that is on a VLAN via CLI for Ubuntu 16.04.5 LTS

I've tried to add an additional IP to my one physical NIC following the manpages. I've sudo apt-get install vlan sudo modprobe 8021q sudo sh -c 'grep -q 8021q /etc/modules || echo 8021q >> /...
1
vote
1answer
94 views

How can I create a local DNS that is seen from other computers on my local network?

I'm trying to create a local DNS on my computer so I can access it locally with a DNS address instead of an IP. The first thing that I did was to configure my hostname on the files /etc/hosts and /etc/...
0
votes
1answer
307 views

Unable to set public static IP ubuntu 18.04.1 amd 64 during install

I am trying to install 18.04.1. I have a block of 8 static IP addresses from my isp. My subnet is 255.255.255.248/29 when i input my static IP (using 192.168.0.x for example and lets assume my network ...
0
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0answers
50 views

how to send requests with floating ip instead of actual ip linux

I am using Heztner server for running my application, which owns IP as 95.216.167.191. Then I added a floating Ip which was 159.69.100.75. I added this floating IP to network settings as well as ...
0
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1answer
75 views

How can I configure Tomcat 9 without apt-get installation?

I have installed my Tomcat 9 from this source. Just downloaded the tar.gz file and extracted it. Then I went into the ../conf/server.xml file to change the port from 8080 to 80. And then I started ...
0
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0answers
58 views

Slow connection with multiple IP alias on Ubuntu 18.04

On my home server, when I configure multiple IP alias on Ubuntu 18.04 using netplan my SSH connection becomes really slow. Here's my customized /etc/netplan/50-cloud-init.yml: network: ethernets: ...
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0answers
44 views

Remmina can't ssh to machine by hostname

I am using ubuntu 18 with remmina to manage my ssh sessions. I can connect to my machine (on local network) using: remmina with ip regular ssh with ip regular ssh with hostname When trying to ...
3
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0answers
423 views

Setup usbip on Ubuntu 18.04 server

I'm running Ubuntu 18.04 server on an intel nuc an try to setup usbip to have remote access to a ZWave USB device connected to a raspberry pi. I loaded kernel modules with modprobe usbip-core ...
1
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0answers
19 views

My Nic is using two different IPs. I do not want one of them

Recently I changed my network from 192.168.1.0 to 192.168.100.0. My ubuntu desktop seemed to cope well but after a restart, wouldn't get out to the internet, but I could ssh to it and ping it on the ...
1
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1answer
25 views

Hostname different from ip address

I have two VMs in a private cloud. Lets call them A(1.2.3.90) and B (1.2.3.91) (not actual ips). I used one of them(A) as a template and cloned the second one(B) only changing the ips (static ips). ...
1
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0answers
14 views

VM (created through Vagrant) is not listing the inet in eth1

I created a vm through vagrant with the following in vagrant file: config.vm.box = "ubuntu/trusty64" ...... ..... .. config.vm.network "public_network" Note the warnings here : default: Warning: ...
-1
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3answers
78 views

How to understand the MAC address [closed]

MAC addressing is set by the manufacturer so can it be changed? I can kind of understand that MAC addresses talk to one machine and use ARP somehow to turn that MAC into an IP address so it can go ...
-1
votes
1answer
57 views

How to set world wide IP in Ubuntu server? [duplicate]

How can I set an IP that I can have access to my server around the world with the Internet I mean something like global IP (maybe!)? I just want to know how to do that in Ubuntu server.
0
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0answers
21 views

Can't connect to internet via bluetooth using on console

I have been using Xubuntu 16.04 on my up board device. I bought a USB Bluetooth adapter, and everything was working. But, I should connect to the internet while booting of my device. I used bt-...
1
vote
4answers
343 views

How can I find the IP address of my router?

I have read 4-5 articles about it they all tell almost same steps to reset a password of my router. They tend to start with an instruction along the following lines at which I'm stuck already: ...
0
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0answers
26 views

Clean output from IP like ifconfig gave

Is there a way to get a clean/well formatted output from ip? I know I'm still learning to us it but compared to what ifconfig used to print 'ip a' is just a mess and takes far longer for your eye to ...
0
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1answer
194 views

LXD Connect to a container on public ip

So I've setup a Ubuntu server 18.04.01 64bit can connect to it and all that with SSH. Installed LXD/LXC I also created a bridge br0 in netplan with DHCP at first an to connect to the containers with ...
1
vote
1answer
872 views

Ubuntu Server 18.04.1 Cannot Keep Static IP Address After Assigned

I am trying to assign a series of static IP addresses to my homelab server so that I can run a media service. I edited /etc/netplan/ with the following: 01-netcfg.yaml: network: version: 2 renderer:...
2
votes
2answers
326 views

Change network mac address using “ip” command

Usually I would be able to change my wifi mac address with the ifconfig command like : ifconfig <iface> hw ether XX:XX:XX:XX:XX:XX Ubuntu have however deprecated ifconfig in behalf of the "ip" ...
0
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0answers
35 views

Public IP Address [duplicate]

Is there any command which I can use in terminal (Ubuntu 16.04 LTS) to see my public IP address? May be there are a lot many ways. Which is the shortest one?
0
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2answers
656 views

Ubuntu (Desktop + Server) 16.04: adding Ethernet network (LAN)

Situation: I have a PC and a server (not virtual machine). I'm completely new to configuring hardware. I need to setup Ethernet network using LAN cable. Ethernet cable is connected directly from PC ...
0
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1answer
62 views

What is the equivalent of ifconfig interface ip_address for ip command?

I'm looking for an exact replacement of ifconfig <interface> <ip_address> command using the ip command. For example, if I want to change eth0's IP address to 10.0.0.1 (not caring about ...
0
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0answers
34 views

Ubuntu 16.04, GTKMM, C++, H.264: Display video supplied frame-by-frame on widget

I have a closed-source video capture API -with C headers- from a third party which supports some specific IP camera hardware. I can successfully make calls on this API and get back results like API ...
0
votes
1answer
17 views

Vbox and IP, bridged addapter

I have a few computrers connected to one network, they are running Oracle Virtual box with linux and host is windows, will they have a IP conflict or someting like that, (they are using bridged ...
0
votes
2answers
65 views

Understand which IP accesses more my server via terminal

I occasionally use this line in my terminal to see which user-agent is using my server more. cat /var/log/apache2/access.log | awk -F\" '{print $6}' | sort | uniq -c | sort -n Scans the access.log ...
0
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0answers
58 views

Getting errors when trying to statically define IP address on multiple interfaces

I have an ubuntu VM which has 3 interfaces(ens33, ens34, and ens35). What I want to do i have ens33 be on one subnet and receive its ip through dhcp and ens34 and ens35 will be on different subnets ...