How to solve the problem when nginx prompts that the port is occupied when starting

Problem: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)

nginx: [emerg] still could not bind()

1.The first method: Check the port occupancy and try to kill the process

Enter the command on the port: netstat -ntpl The following will be displayed:

Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name

tcp 0 0 127.0.0.1:631 0.0.0.0:*                                                                                                                                                                                                                                                to

# TCP 0 0.0.0.0:80 0.0.0.0:* Listen -

## TCP 0 0 127.0.1.1:53 0.0.0.0:* Listen -

## TCP6 0 0: :1:631                                                                                                                                                                                                                 

#2.

The second solution is to edit the nginx configuration file

zhouchang@zhouchang-CW65S:~$ sudo gedit /etc/nginx/sites-available/default

Just change the following paragraph:

listen 80;listen [::]:80 default_server;

to:

listen 80;

listen [::]:80 ipv6only=on default_server;

That’s it

3.

（1）

First check what is occupying port 80

:

fuser -n tcp 80

For example: root@zhouchang-CW65S:/home/zhouchang# fuser -n tcp 80

There will be something like: 80/tcp:       16829 (2)

Kill the occupied port

kill -9 1116

Like this again Just start sudo /etc/init.d/nginx start

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