1、安装依赖包

# yum install readline-devel pcre-devel openssl-devel gcc curl

Loaded plugins: fastestmirror

Determining fastest mirrors

Could not retrieve mirrorlisthttp://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stockerror was

14: curl#6 - "Could not resolve host:mirrorlist.centos.org;Unknown error"

Could not get metalinkhttps://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=x86_64error was

14: curl#6 - "Could not resolve host:mirrors.fedoraproject.org;Unknown error"

Could not retrieve mirrorlisthttp://mirrorlist.centos.org/?release=7&arch=x86_64&repo=extras&infra=stockerror was

这是由于DNS服务器错误。修改一下 /etc/resolv.conf 文件，添加一个nameserver 8.8.8.8完成

# yum install readline-devel pcre-devel openssl-devel gcc curl

Loaded plugins: fastestmirror

Existing lock /var/run/yum.pid: another copy is running as pid 121648.

Another app is currently holding the yum lock; waiting for it to exit...

 The other application is: yum

   Memory :  25 M RSS (1.4 GB VSZ)

   Started: Thu Feb 28 09:05:55 2019 - 05:44 ago

   State  : Traced/Stopped, pid: 121648

执行yum时报错，进程已被占用，执行以下命令，强制删除yum进程

# rm -r /var/run/yum.pid

rm: remove regular file ‘/var/run/yum.pid’? y

2、下载Openresty安装包

# wget https://openresty.org/download/openresty-1.13.6.1.tar.gz

# tar -zxvf openresty-1.13.6.1.tar.gz

3、安装LuaJIT

# cd openresty-1.13.6.1/bundle/LuaJIT-2.1-20171103/

# make clean && make && make install

# ln -sf luajit-2.1.0-beta3 /usr/local/bin/luajit

4、安装openresty1.13.6.1

# cd openresty-1.13.6.1/

# ./configure  -j2  --prefix=/usr/local/openresty  --with-pcre  --with-luajit

（注： --prefix是配置Openresty的安装路径，默认是安装在/usr/local/openresty目录）

# gmake

# gmake install

5、配置环境变量

Add the following line to your ~/.bashrc or ~/.bash_profile file. 

Finally, you need to add the command-line utilities provided by OpenResty to your PATH environment, as in

# vim ~/.bash_profile

export PATH=/usr/local/openresty/bin:/usr/local/openresty/nginx/sbin:$PATH

# source ~/.bash_profile

6、测试配置是否正确

# nginx  -v

nginx version: openresty/1.13.6.1

# nginx  -t

nginx: the configuration file /usr/local/openresty/nginx/conf/nginx.conf syntax is ok

nginx: configuration file /usr/local/openresty/nginx/conf/nginx.conf test is successful