Django Error: That port is already in use.

When trying to start/run Django server on your MAC machine getting this error –

Error: That port is already in use.

Solution?

1. find out which service or application is using the default port 8000?

Spotlight on Network Utility to List Ports

1. Press Command+Spacebar.
2. Type the name of utilities that are buried, such as Network Utility.
3. Click the keyboard return/enter key to launch the Network Utility app.
4. Select the “Port Scan” tab.
5. Enter the IP (such as 127.0.0.1), localhost, or domain name you wish to scan for open ports.
6. Click scan button.

note – On mac machines by default the port 8000–8999 TCP is used by irdmi.

https://support.apple.com/en-us/HT202944

Port	TCP or UDP	Service or protocol name1	RFC2	Service name3	Used by
8000–8999	TCP	—	—	irdmi	Web service, iTunes Radio streams

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