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I set up VNC server thanks to this tutorial but I realized that I can access to my r-pi only on the same network. So, I would like know how to access my r-pi while I am on another network and how to set a fixed IP for each r-pi I wish to monitor

closed as off-topic by Milliways, Steve Robillard, Aurora0001, Dmitry Grigoryev, PNDA Jul 8 '18 at 3:11

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question does not appear to be specific to the Raspberry Pi within the scope defined in the help center." – Milliways, Steve Robillard, PNDA
If this question can be reworded to fit the rules in the help center, please edit the question.

  • an rpi-related problem. It's a networking problem. If you have a couple of networks that you want to interconnect.. on the simplest scenario, if you set up a router and you use it as the default gateway on both networks, with just that, interconnection will work (there could be other details.... like if it's a linux router you need to make sure that netfilter is allowing said traffic to traverse FORWARD chain and that net.ipv4.ip_forward has the value of 1 on sysctl). – eftshift0 Jun 29 '18 at 15:19
  • I use TeamViewer for this – Joe S Jun 29 '18 at 17:34
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1) Go to the RealVNC Raspberry Pi sign up page and enter your email address in sign up box.

2) Follow the on-screen instructions to set up your account.

3) Back on your Raspberry Pi, click the VNC icon in the right corner of the screen to open VNC. Then click the status menu and select Licensing.

4) Enter your email address and password you created in step one. When prompted, select “Direct and cloud connectivity.” Your Raspberry Pi is now accessible online.

5)Download the VNC Viewer application on the computer you want to control the Raspberry Pi from, like the laptop or smartphone you’ll have when you travel.

6)Open the VNC Viewer application and enter the credentials you created in step one. Your Raspberry Pi will pop up as an option automatically. Select it to open up the connection. When prompted, enter your Raspberry Pi’s username and password (by default this is the username pi and password raspberry). Within a few second it’ll connect.

You’re now able to log into your Raspberry Pi’s graphic desktop from anywhere as long as your Raspberry Pi has internet access. This means you can take control of any security software, check on the status of any projects you’ve set up, or play Minecraft on your private server.

for more info visit this

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You interconnect some networks so you must have a router and you have to configure it for example with static routes and/or a default gateway so it knows to what network it has to send addressed packets. If you do not have access to the router you can fake it with NAT (network address translation) so it means the raspi is on the same network. But this works only in one direction. You can also setup a VPN (virtual private network). With this you can safely connect through the internet from everywhere.

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