配置yum源

mkdir -p /etc/yum.repos.d/repo_bak/
mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/repo_bak/
cd /etc/yum.repos.d
wget http://mirrors.myhuaweicloud.com/repo/mirrors_source.sh && sh mirrors_source.sh

清除原有yum缓存
yum clean all

执行生成新的缓存
yum makecache

安装
yum -y install nginx

启动
systemctl start nginx

查看状态
systemctl status nginx

yum方式安装后默认配置文件的路径
/etc/nginx/nginx.conf

nginx网站默认存放目录
/usr/share/nginx/html

网站默认主页路径
/usr/share/nginx/html/index.html

查到nginx master 进程的pid为2160805
ps aux | grep nginx

pid 为上面查询出来的nginx master进程号
netstat -anp | grep 2160805