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Questions tagged [dynamic-ip]

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Whitelisting friends' dynamic IPs w/o much extra effort from them

I'm running a small https webserver using a Javascript-based program that I've heard isn't super secure. Fortunately, I only want a couple of friends to be able to access it - unfortunately they're ...
Matthew Whitlock's user avatar
1 vote
0 answers
274 views

Unable to disable dynamic IPv6 address

I have a bridge interface named vms with one IPv4 and one IPv6 address statically assigned via netplan. I have configured radvd to send router advertisements on this interface to assign dynamic IPv6 ...
Sebastian J. Bronner's user avatar
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How to get a dynamic IP adress Kubuntu

I don't understand how can I get dynamic IP, so it will change sometimes. How can I do it? Some outputs that shall help: :~$ ifconfig -a enp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> ...
Fuga Pufferfish's user avatar
2 votes
1 answer
2k views

How to SSH to Ubuntu with dynamic IP

I want to be able to SSH to my home computer with lubuntu 18.04 from my tablet computer when I am not at home. I need this access to practice in programming when I cannot be in front of computer. I ...
vasilyv's user avatar
  • 21
2 votes
1 answer
17k views

find out external ip and use to access ssh server

I would like to scp some large files from my lubuntu laptop to windows desktop. The ip address retrieved with ip -a command however only allows me connect from the laptop to itself. Router or modem is ...
Se Bo's user avatar
  • 143
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0 answers
783 views

Ubuntu as IPv6 router

Draw of network is here. How can I configure Ubuntu server (A) to generate dynamic IP for new end points (like B) but C server should have static IP? (Firewall: A and C server accessible via SSH only ...
gergelymolnarpro's user avatar
0 votes
0 answers
1k views

Ubuntu server 18.04, Dynamic DNS w/google domains - mydomain.com resolves, www.mydomain.com does not

My problem is this - I don't know the best way to end-to-end troubleshoot this dynamic dns setup and hosting. Essentially what I want to is use the google domains dynamic dns service to forward http ...
jconnors's user avatar
1 vote
1 answer
2k views

ssh'ing into my home machine without a static IP address

I currently have a static ip address with Comcast. I'd like to switch to Sonic, but they don't offer static IP's in my area. I'm wondering if I would still be able to get into my machine from ...
Leo Simon's user avatar
  • 1,529
4 votes
2 answers
1k views

Restrict ddclient updates to home network

I already have ddclient 3.8.2 working with OpenDNS. I'm running it on my laptop. I may travel with my laptop, and so I don't want to update the IP if I'm not home. How do I restrict ddclient to ...
Asclepius's user avatar
  • 939
1 vote
1 answer
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Own DynDNS on virtual server?

Is there any simple way to configure say an Apache web server to handle a subdomain say mysubdomain.example.com to forward dynamic IPs? I had troubles finding a good stepwise instruction on the ...
Socrates's user avatar
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0 votes
1 answer
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why can i not ssh using my domain name but works with ip address?

so i have a computer i am trying to set up as a server at home. i have ssh server installed on it, and ssh client running on my laptop. ssh works fine, i am using public keys for security and have ...
user74091's user avatar
  • 175
6 votes
2 answers
24k views

How do I set up No-IP as a proper service?

There is an example service shell script in the download, but it seems limited and relies on killproc which doesn't exist by default on Ubuntu 16 LTS.
Walf's user avatar
  • 400
2 votes
0 answers
2k views

Why does my dynamic dns alias fail in local network?

I have a server and a laptop in my LAN. The LAN is connected to the internet via router. I forward port 22 to the server and have a dynamic DNS provider (namely "no-ip") alias my router's internet IP ...
con-f-use's user avatar
  • 18.9k
1 vote
1 answer
3k views

Get dynamic and static IPv6 address

I'm trying to make my Ubuntu 16.04.1 home server have (at least) two IPv6 addresses for its bonding interface of two physical network interfaces: A static local one from the fd:: range (for a Samba4 ...
Gunnar Arndt's user avatar
1 vote
2 answers
917 views

Postfix mail boundes due to dynamic IP

I am attempting to set up a send-only mail server on my ubuntu machine to send emails to one of my email accounts to notify me of jobs finishing. I followed this guide https://www.digitalocean.com/...
user3728501's user avatar
  • 1,054
4 votes
1 answer
18k views

ddclient with google domains dynamic DNS to ssh into my desktop

So I want to be able to SSH into my home desktop. I set up port forwarding on my router, and was able to ssh into my machine ssh alex@2601:647:4802:b000:e938:d8b5:6111:e0fb When I restart the ...
Alex Lenail's user avatar
2 votes
0 answers
2k views

How to show the reserved leases that dhcp has on file?

I want to check on the reserved leases (called "fixed-address" in the config files) of my dhcpd. To get all the info about the free dynamic ips is no problem, but the reserved one that get written to ...
KRAER's user avatar
  • 41
1 vote
1 answer
60 views

Does Ubuntu need a FQDN to get internet and email working?

I want to replace Win XP on a computer with Ubuntu. Do I have to buy a domain name to get email to send/receive and get internet working? Because on my Ubuntu 14.04 at work, I had to buy a domain name ...
Bulrush's user avatar
  • 782
0 votes
1 answer
990 views

configuring dhcp with dynaminc ipv4 and ipv6 address

i just want to know that is that possible to configure dynamic ipv4 and ipv6 address on eth1. i tried ipv4 is working but ipv6 doesn't. if yes then how. If not then what should i do. Because i want ...
singh's user avatar
  • 27
0 votes
1 answer
8k views

uninstalling 'no-ip' from the terminal - how?

I've tried to install the no-ip client but i couldn't complete the task via the terminal. I want to know how to go back and delete all its files? Thank you.
fistr's user avatar
  • 11
0 votes
1 answer
404 views

How to add DNS server in icinga/nagios server on ubuntu?

I already install and configure icinga on ubuntu.All host configure IP in manually.Now I want to add DNS in my icinga server. Actually, I want to add that keep to dynamic IP address in host. Now all ...
Eng. Johor's user avatar
2 votes
0 answers
2k views

Port redirection for a specific (dynamic) IP using iptables script

What I want: Incoming TCP and UDP connections on port 900 from the resolving IP address of myip.dyndns.org (dynamic IP) should redirect to port 5050 on the local machine. All other IP addresses ...
viriol's user avatar
  • 21
2 votes
1 answer
931 views

Is there a way to pause ddclient?

I use ddclient to update my OpenDNS account for my home network (the router doesn't have this capability). Recently, I've been traveling and, at times, when my laptop joins another network it ...
Majal's user avatar
  • 7,807
0 votes
1 answer
575 views

cannot ssh via inadyn and freedns

I am having trouble getting ssh to work with a dynamic IP address. I have two laptops, one host and one guest. I have ssh set up on the host and I can ssh in from the guest as long as I know the ...
ohnoplus's user avatar
  • 758
0 votes
1 answer
318 views

How to make WLAN server accessible on the internet

I'm using Ubuntu 14.04 desktop. I've installed LAMP and I believe a DNS program and a mail server. Since my ISP is dynamic IP I am using noip.com's free dynamic DNS service (which I know works because ...
Erik Stagg's user avatar
0 votes
1 answer
82 views

Dynamic Internet IP Ubuntu 12.04 Desktop Setup

Installed dual boot with Ubuntu 12.04 desktop and Win XP. On XP can/have set up my internet access to be on demand - click desktop shortcut/enter UN & PW/connects via router which is set to ...
user269039's user avatar
0 votes
1 answer
1k views

Dynamic DNS advice for a home server on a .co.uk domain

I have the following setup: A home server running Ubuntu Server 12.04 A D-Link DSL-2780 capable of Dynamic DNS routing to www.dyndns.org, www.no-ip.com, zoneedit.com A domain purchased with Gandi.com ...
Huw's user avatar
  • 1,603
9 votes
6 answers
37k views

server script that sends an email every time the global ip changes

I'm setting up a web server that won't have a static global IP. It will be at my parents house and I won't be able to SSH into it when the global IP changes. The global IP will change every time ...
Alvar's user avatar
  • 17.1k
3 votes
5 answers
8k views

How to set up FQDN with Dynamic IP?

Can I setup my www.example.com address when I have a dynamic external ip adress (no router) and if so whats needed to make it work? The server is already installed with Ubuntu Server 12.04.3 and LAMP ...
user212469's user avatar
0 votes
1 answer
429 views

how do I convert dyn dynamic external ip-address to ubuntu 13.04 internal ip-address

how do I convert dyn dynamic external ip-address to ubuntu 13.04 internal ip-address I have isc-dhcp-server apache2 dns ubuntu 13.04 netcomm 3G-sim card router I am using ddclient to obtain the ...
user164536's user avatar
1 vote
1 answer
433 views

Two web servers on a LAN with dynamic IP with ubuntu server 12.04

My situation is so that I have two different ubuntu server with apache and DNS server installed on them each of which serves and hosts a couple of websites. Before I had static IP's for them with port ...
artashkan's user avatar
2 votes
2 answers
3k views

How to opendns on router with dynamic ip

OpenDNS is almost completely useless with a dynamic ip and most people have dynamic ip addresses. There isn't even a decent client for Linux to update your IP. There is a script you can install ...
Joshua Robison's user avatar
0 votes
1 answer
455 views

Setting up a remote mail server

I have an Ubuntu server running at a remote location which I log into with putty My dynamic ip is maintained using a NoIP account. I am trying to learn about php dynamic websites and as a result I ...
Jim Clark's user avatar