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Create local network

2 min read
Last update: November 28, 2021

How to establish a local network between two computers with Python.

1. On host computer

1. a. Create network

This will share my-directory/ directory on network:

cd my-directory/

python3 -m http.server
You can use `python -m SimpleHTTPServer` if you haven't Python 3.

2. b. Check IP of machine

ip a

You will have this output with some variations:

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: enp3s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
    link/ether 6c:2b:59:70:38:4d brd ff:ff:ff:ff:ff:ff
3: wlp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether ec:5c:68:48:9f:fb brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.36/24 brd 192.168.1.255 scope global dynamic noprefixroute wlp4s0
       valid_lft 83517sec preferred_lft 83517sec
    inet6 fe80::c8b6:69c0:eb8f:a11c/64 scope link noprefixroute
       valid_lft forever preferred_lft forever

About this output:

  • 1: lo: loopack, it's not important here
  • 2: enp3s0: ethernet, in this example we can note NO-CARRIER because no ethernet cable is connected
  • 3: wlp4s0 wifi, in this example we can note 192.168.1.36

The url of your network depending of your connection type. If you use ethernet, take ethernet IP and if you use wifi, take wifi IP.

2. On guest computer

In any browser, just try to access to 192.168.1.36:8000 (for this example) and you will see list of files into shared directory. When you click on any file, you will can download it.