Bind port 80 for normal user in Linux

To bind port 80 for normal user in Linux, use 'authbind'

Steps:

1. sudo apt get authbind

2. sudo touch /etc/authbind/byport/80

3. sudo chown user:user /etc/authbind/byport/80

4. chmod 500 /etc/authbind/byport/80

5. authbind --deep <command to run> (e.g. quasar dev)