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vasilyv
Asked: 2020-06-15 08:54:07 +0800 CST

How to SSH to Ubuntu with dynamic IP

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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 live at student apartment and ISP provides Ethernet connection to my room and I do not have any router. Alternatively I can connect to Internet by sharing Mobile data from phone. So I do not have dedicated IP on my computer.

All the instructions that I found in internet says that I must:

  1. Install Open SSH server on my Ubuntu and open port 22- I have done that.
  2. Get static domain from DNS service such as www.noip.net - I have done also that, now my lubuntu updates an ip to noip.net every 5 seconds.
  3. Set port forwarding on the router - I cannot set port forwarding on router as I do not have any router in my scenario.

How to set SSH to my ubuntu if I do not have static IP neither a router at my place?

server ssh dns dynamic-ip

1 Answers

  1. Have you looked at ngrok? ( https://ngrok.com )

    Basically run

    ngrok tcp 22

    on your local machine that you want to ssh into.

    You will get a hostname and port that you can ssh into from remote machines that is forwarded to your local machine running ngrok.

    ngrok by @inconshreveable                                                                              
(Ctrl+C to quit)                                                                                                                        
Session Status                online                                                                                    
Account                       Dwayne Moore (Plan: Free)                                                                 
Version                       2.3.35                                                                                    
Region                        United States (us)                                                                        
Web Interface                 http://127.0.0.1:4040                                                                     
Forwarding                    tcp://0.tcp.ngrok.io:12048 -> localhost:22                                                                                                                                                                        
Connections                   ttl     opn     rt1     rt5     p50     p90                                                                             
15      1       0.16    0.04    2.30    2.31

    For example:

    ssh [email protected] -p 12048

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