while installing jykell i got this error. jekyll 3.3.1 | Error: Cannot assign requested address - bind(2) for

aditya@aditya:~/www$ jekyll serve --host= Configuration file: /home/aditya/www/_config.yml Configuration file: /home/aditya/www/_config.yml Source: /home/aditya/www Destination: /home/aditya/www/_site Incremental build: disabled. Enable with --incremental Generating… done in 0.24 seconds. Auto-regeneration: enabled for ‘/home/aditya/www’ Configuration file: /home/aditya/www/_config.yml jekyll 3.3.1 | Error: Cannot assign requested address - bind(2) for

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Make sure you don’t have anything running on your server with same port. If you have anything other running in same time on port 4000, it can’t assign port. You can use following command to check above:

  1. sudo lsof -i :4000

Also look at this GitHub Issue and answer, it could be helpful.