How to install Nginx and integrate Lua on Centos7

Preparation

If the installed Linux can connect to the Internet and the Linux port can be used normally externally, then you can ignore the following two steps

1 .Set up to automatically obtain ip

(1) Enter the command

[root@localhost ~]ip addr  #查看ip
[root@localhost ~]nmcli connection show

on Linux to view the current network card information

Mine is ens33

(2) Modify the information

[root@localhost ~]vi /etc/sysconfig/network-scripts/ifcfg-ens33

Change the last line onboot=no to onboot=yes

(3) Restart the network service

[root@localhost ~]# systemctl restart network

2. Turn off the firewall

systemctl stop firewalld.service #停止firewall
systemctl disable firewalld.service #禁止firewall开机启动

3. When preparing to install, you find that there is no wget command. You can first follow the line If there is no wget command when prompted below, you can perform this step

[root@localhost ~]#yum -y install wget

Installation

1. Install dependent environment

[root@localhost ~]#yum -y install gcc zlib zlib-devel pcre-devel openssl openssl-devel

2. Install luajit

I created the luajit folder in the /usr/local path

[root@localhost luajit]#wget http://luajit.org/download/luajit-2.0.2.tar.gz
[root@localhost luajit]#tar –xvf luajit-2.0.2.tar.gz
[root@localhost luajit]#cd luajit-2.0.2
[root@localhost luajit-2.0.2]#make install

3. Install nginx

(1) Download ngx_devel_kit, lua-nginx-module, nginx

I created the nginx folder under the /usr/local path

[root@localhost nginx]#wget https://github.com/simpl/ngx_devel_kit/archive/v0.3.0.tar.gz
[root@localhost nginx]#wget https://github.com/openresty/lua-nginx-module/archive/v0.10.9rc7.tar.gz
[root@localhost nginx]#wget http://nginx.org/download/nginx-1.12.1.tar.gz 
#注意下载后的压缩包没有文件名称，但是根据版本号能区分是哪个文件
[root@localhost nginx]#tar -xvf v0.3.0.tar.gz
[root@localhost nginx]#tar -xvf v0.10.9rc7.tar.gz
[root@localhost nginx]#tar -xvf nginx-1.12.1.tar.gz

(2)Compile nginx

[root@localhost nginx]# cd nginx-1.12.1
[root@localhost nginx-1.12.1]#./configure --prefix=/usr/local/nginx --add-module=../ngx_devel_kit-0.3.0 --add-module=../lua-nginx-module-0.10.9rc7

(3)Install

[root@localhost nginx-1.12.1]#make
[root@localhost nginx-1.12.1]#make install

(4)Start nginx

nginx may fail when starting Error

./nginx: error while loading shared libraries: libluajit-5.1.so.2: cannot open shared object file: n

libluajit-5.1 not found .so.2 file

Solution

1. Find the two files libluajit-5.1.so.2 and libluajit-5.1.so.2.0.2 Copy to the corresponding lib

64 bit is /usr/lib64

32 bit is /usr/lib

[root@localhost nginx-1.12.1]#find / -name libluajit-5.1.so.2

found

The file is installed under /usr/local/lib/libluajit-5.1.so.2 by default

[root@localhost nginx-1.12.1]#cp /usr/local/lib/libluajit-5.1.so.2 /usr/lib64/
[root@localhost nginx-1.12.1]#cp /usr/local/lib/libluajit-5.1.so.2.0.2 /usr/lib64

In the nginx installation directory, modify nginx. conf file

Add the following code under the server code block

location /hello{
    default_type 'text/plain';
    content_by_lua 'ngx.say("hello,lua")';
  }

Start nginx

[root@localhost nginx-1.12.1]#./configure

Access the virtual corresponding address http://xxx.xxx.xxx/hello

in the browser and the display will be as follows

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