Does nginx require root to install?

When started with non-root permissions, nginx: [emerg] bind() to 0.0.0.0:80 failed (13: Permission denied) error will appear.

Reason: Only root users in Linux can use ports below 1024 (Recommended learning: nginx tutorial)

Solution Method:

1. Start with root privileges

2. Change port 80 in the nginx.conf file to above 1024

Verify nginx installation Started successfully:

sbin/nginx -v View version

##View the page according to the configured IP:

Note: If there is a firewall configured and the nginx service cannot be accessed through the web after it is opened, you can try the following solutions (for example, the port number is 10000):

1 .Open the firewall file

sudo vim /etc/sysconfig/iptables
//新增行  开放10000端口
-A INPUT -p tcp -m state --state NEW -m tcp --dport 10000 -j ACCEPT

Save and exit

sudo service iptables restart//重启防火墙

2.Open the web port

firewall-cmd --permanent --add-port=10000/tcp

Restart firewall

firewall-cmd –reload

3.Or close the firewall systemctl stop firewalld

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