Why I can t access remote Jupyter Notebook server

Question

I have started a Jupyter Notebook server on my centos6 5 server And jupyter is running like   I 17 40 59 649 NotebookApp  Serving notebooks from local directory   root  I 17 40 59 649 NotebookApp  0 active kernels   I 17 40 59 649 NotebookApp  The Jupyter Notebook is running at https    all ip addresses on your system  8045   I 17 40 59 649 NotebookApp  Use Control-C to stop this server and shut down all kernels  twice to skip confirmation     When I want to access Jupyter remotely in the same local area network  say open http   192 168 1 111 8045   I can t open a Jupyter page at all  By the way  I can access remote centos server successfully   What s the possible reason

User · Answer

I got the same problem but none of workarounds above work for me. But if I setup a docker version jupyter notebook, with the same configuration, it works out for me.

For my stituation, it might be iptables rule issues. Sometimes you may just using ufw to allow all route to your server. But mine just iptables -F to clear all rule. Then check iptables -L -n to see if its works.

Problem fixed.

User · Answer

James023 already stated the correct answer  Just formatting it   if you have not configured  jupyter notebook config py   file already   Step1  generate the file by typing this line in console  jupyter notebook --generate-config   Step2  edit the values  gedit   home koushik  jupyter jupyter notebook config py     add the following two line anywhere because the default values are commented anyway   c NotebookApp allow origin        allow all origins   c NotebookApp ip    0 0 0 0    listen on all IPs  Step3  once you closed the gedit  in case your port is blocked   sudo ufw allow 8888    enable your tcp 8888 port  which is ur default jupyter port  Step4  set a password  jupyter notebook password   it will prompt for password  Step5  start jupyter   jupyter notebook   and connect like http   xxx xxx xxx xxx 8888 login

User · Answer

If you are still having trouble and you are running something like EC2 AWS instance  it may just be a case of opening the port through the AWS console   see this answer

User · Answer

Anyone who is still stuck - follow the instructions on this page   Basically    Follow the steps as initially described by AWS    Open SSH as normal     source activate python3    Jupyter Notebook    Don t cut and paste anything  Instead open a new terminal window without closing the first one  In the new window enter enter the SSH command as described in the above link    Open a web browser and go to http   127 0 0 1 8157

User · Answer

I faced a similar issue  and I solved that after doing the following   check your jupyter configuration file  this is described here in details  https   testnb readthedocs io en stable examples Notebook Configuring 20the 20Notebook 20and 20Server html  -- you will simply need from the link above to learn how to make jupyter server listens to your local machin IP -- you will need to know your local machin IP  i use  quot ifconfig -a quot  on ubuntu to find that out  - please check for centos6 after you finish setting your configuration  you can run jupyter notebook at your local IP  jupyter notebook --ip   --no-browser please replace   with your IP address for example  jupyter notebook --ip 192 168 x x --no-browser you can now access your jupyter server from any device connected to the router using this ip port  the port is usually 8888  so for my case for instance I used  quot 192 168 x x 8888 quot  to access my server from other devices  now if you want to access this server from public IP  you will have to   find your public IP  simply type on google what is my IP  use this IP address instead of your local IP to access the server from any device not connected to the same router kindly note  if your linux server runs on Virtual machine  you will need to set your router to allow accessing your VB from public IPs  settings depends on the router type  otherwise  you should be able to access the server using the public IP and the port set for it from any device not connected to your router  or using your local IP and the port set from any device connected to the same router

User · Answer

Alternatively you can just create a tunnel to the server   ssh -i  lt your key gt   lt user server-instance gt  -L 8888 127 0 0 1 8888   Then just open 127 0 0 1 8888 in your browser   You also omit the -i  lt your key gt  if you don t have an identity file

User · Answer

Have you configured the jupyter notebook config py file to allow external connections  By default  Jupyter Notebook only accepts connections from localhost  eg  from the same computer that its running on   By modifying the NotebookApp allow origin option from the default     to      you allow Jupyter to be accessed externally  c NotebookApp allow origin        allow all origins You ll also need to change the IPs that the notebook will listen on  c NotebookApp ip    0 0 0 0    listen on all IPs   Also see the details in a subsequent answer in this thread   Documentation on the Jupyter Notebook config file

User · Answer

edit the following on jupyter notebook config file  enter actual computer IP address  c NotebookApp ip    192 168 x x   c NotebookApp allow origin        on the client side launch jupyter notebook with login password  jupyter notebook password  after setting password login on browser and then type the remote server ip address followed by the port  example 192 168 1 56 8889

User · Answer

I m using Anaconda3 on Windows 10  When you install it rembember to flag  add to Enviroment Variables      Prerequisite  A notebook configuration file  Check to see if you have a notebook configuration file  jupyter notebook config py  The default location for this file is your Jupyter folder located in your home directory    Windows  C   Users  USERNAME   jupyter  jupyter notebook config py OS X   Users USERNAME  jupyter jupyter notebook config py Linux   home USERNAME  jupyter jupyter notebook config py   If you don t already have a Jupyter folder  or if your Jupyter folder doesn t contain a notebook configuration file  run the following command     jupyter notebook --generate-config  This command will create the Jupyter folder if necessary  and create notebook configuration file  jupyter notebook config py  in this folder     By default  Jupyter Notebook only accepts connections from localhost   Edit the jupyter notebook config py file as following to accept all incoming connections   c NotebookApp allow origin        allow all origins   You ll also need to change the IPs that the notebook will listen on   c NotebookApp ip    0 0 0 0    listen on all IPs

User · Answer

if you are using Conda environment  you should set up config file again  And file location will be something like this  I did not setup config file after I created env in Conda and that was my connection problem   C  Users syurt AppData Local Continuum anaconda3 envs myenv share jupyter jupyter notebook config py

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Is that your private IP address  If so you ll need to use your public one  Go to ipchicken to find out what it is  I know you are in the same LAN  but try this to see if it resolves any issues

User · Answer

From your command line  we can see your jupyter server is running normally The reason you can t access your remote jupyter server is that your remote centos6 5 server s firewall rules block the incoming request from your local browser i e  block your tcp 8045 port  sudo ufw allow 80    enable http server sudo ufw allow 443    enable https server sudo ufw allow 8045    enable your tcp 8045 port then try to access your jupyter again     Maybe you also need to uncomment and edit that place in your jupyter notebook config py file      c NotebookApp allow remote access   True   and even shut down your VPN if you have one

User · Answer

Try doing below step  Following command fixes the read write     sudo chmod -R a rw  home ubuntu certs mycert pem

User · Answer

I managed to get the access my local server by ip using the command shown below   jupyter notebook --ip xx xx xx xx --port 8888   replace the xx xx xx xx by your local ip of the jupyter server

User · Answer

jupyter notebook --ip 0 0 0 0 --port 8888 will work

User · Answer

The other reason can be a firewall  We had same issue even with   jupyter notebook --ip xx xx xx xxx --port xxxx    Then it turns out to be a firewall on our new centOS7

User · Answer

In RedHat 7  we need to allow the specific port before running the Jupiter command  Say the port is 8080   iptables -I INPUT 1 -p tcp --dport 8080 -j ACCEPT   Then we can run it normally  For instance  using   jupyter notebook --ip 0 0 0 0 --no-browser --port 8080 --allow-root   or whatever you like

[jupyter-notebook] Why I can't access remote Jupyter Notebook server?

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