nginx安装

Nginx的安装
版本区别
常用版本分为四大阵营
Nginx开源版
http://nginx.org/
Nginx plus 商业版
https://www.nginx.com
openresty
http://openresty.org/cn/
Tengine
http://tengine.taobao.org/
编译安装

./configure --prefix=/usr/local/nginx
make
make install

如果出现警告或报错
提示
checking for OS
+ Linux 3.10.0-693.el7.x86_64 x86_64
checking for C compiler ... not found
./configure: error: C compiler cc is not found

安装gcc

yum install -y gcc

提示：./configure: error: the HTTP rewrite module requires the PCRE library.
You can either disable the module by using --without-http_rewrite_module
option, or install the PCRE library into the system, or build the PCRE library
statically from the source with nginx by using --with-pcre=<path> option.
安装perl库
yum install -y pcre pcre-devel
提示：
./configure: error: the HTTP gzip module requires the zlib library.
You can either disable the module by using --without-http_gzip_module
option, or install the zlib library into the system, or build the zlib library
statically from the source with nginx by using --with-zlib=<path> option.
安装zlib库
yum install -y zlib zlib-devel
接下来执行
make
make install

启动Nginx
进入安装好的目录 /usr/local/nginx/sbin

./nginx 启动
./nginx -s stop 快速停止
./nginx -s quit 优雅关闭，在退出前完成已经接受的连接请求
./nginx -s reload 重新加载配置

关于防火墙
关闭防火墙

systemctl stop firewalld.service

禁止防火墙开机启动

systemctl disable firewalld.service放行端口
firewall-cmd --zone=public --add-port=80/tcp --permanent

重启防火墙

firewall-cmd --reload

安装成系统服务
创建服务脚本

vi /usr/lib/systemd/system/nginx.service

服务脚本内容

[Unit]
Description=nginx - web server
After=network.target remote-fs.target nss-lookup.target
[Service]
Type=forking
PIDFile=/usr/local/nginx/logs/nginx.pid
ExecStartPre=/usr/local/nginx/sbin/nginx -t -c /usr/local/nginx/conf/nginx.conf
ExecStart=/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
ExecReload=/usr/local/nginx/sbin/nginx -s reload
ExecStop=/usr/local/nginx/sbin/nginx -s stop
ExecQuit=/usr/local/nginx/sbin/nginx -s quit
PrivateTmp=true
[Install]
WantedBy=multi-user.target

重新加载系统服务

systemctl daemon-reload

启动服务

systemctl start nginx.service

开机启动

systemctl enable nginx.service