set up jupyter lab in AWS lightsail

Question

I want to run a Jupyterlab server in AWS lightsail. I create a lightsail instance (bitnami LAMP), install anaconda, install jupyter -- everything goes well. If I edit

```
~/htdocs/index.html
```

I can see the result in an external browser by going to

```
http://34.345.3.190
```

(pretending that 34.345.3.190 is my lightsail instance's IP address), so apache is working and port 80 is open. If I run

```
jupyter-lab --no-browser
```

from inside the lightsail instance (having ssh'd in), everything appears to be fine, so no problem with jupyterlab. It tells me to access jupyter at `http://localhost:8888/lab`

Now I go to Networking in my lightsail instance and "add a rule" choosing Custom, TCP, 8888 to open the 8888 port, but this is where things go wrong.

```
http://34.345.3.190:8888/lab

```

gives me "unable to connect" in my external browser.

If I run

```
ss -tuln | grep 8888
```

I get

```
tcp   LISTEN 0      128                           127.0.0.1:8888        0.0.0.0:*
```

If I run

```
sudo nmap -sT -O localhost
```

I get

```
PORT     STATE SERVICE
22/tcp   open  ssh
80/tcp   open  http
443/tcp  open  https
3306/tcp open  mysql
8888/tcp open  sun-answerbook
Device type: general purpose
```

If I run

```
netstat -antop | grep 8888
```

I get

```
tcp        0      0 127.0.0.1:8888          0.0.0.0:*               LISTEN      6911/python3.9       off (0.00/0/0)
```

This sounds relevant, but it's EC2 specific and I couldn't get it to work in lightsail:

[https://docs.aws.amazon.com/dlami/latest/devguide/setup-jupyter-configure-client-linux.html]()

Answer

Jupyter needs additional configuration in order to receive connections from origins other than localhost. Have you tried the solution described here? https://stackoverflow.com/a/43500232

set up jupyter lab in AWS lightsail

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