#ngx_lua module项目地址
https://github.com/chaoslawful/lua-nginx-module
在LNMP安装包后，重编译nginx，并添加ngx_lua模块
1」Download
wget http://luajit.org/download/LuaJIT-2.0.2.tar.gz
wget https://github.com/simpl/ngx_devel_kit/archive/v0.2.19.tar.gz
wget https://github.com/chaoslawful/lua-nginx-module/archive/v0.9.1.tar.gz
nginx最新稳定版是1.4.3,get下来
wget http://nginx.org/download/nginx-1.4.3.tar.gz
2」安装LuaJIT
tar -zxvf LuaJIT-2.0.2.tar.gz
make
make install
export LUAJIT_LIB=/usr/local/lib
3」copy模块
解压 下载 下来的ngx_devel_kit以及lua-nginx-module到/usr/local/src目录下，即
/usr/local/src/lua-nginx-module-0.9.1/
/usr/local/src/ngx_devel_kit-0.2.19/
3」重新编译Nginx
解压nginx包，configure一下（参考LNMP安装包，未加其他修改）
./configure --user=www --group=www --prefix=/usr/local/nginx --with-ld-opt="-Wl,-rpath,$LUAJIT_LIB" --with-http_stub_status_module --with-http_ssl_module --with-http_gzip_static_module --with-ipv6 \
--add-module=/usr/local/src/lua-nginx-module-0.9.1/ \
--add-module=/usr/local/src/ngx_devel_kit-0.2.19/
OK后make，别make install，否则就覆盖安装
4」备份替换
make完后在objs目录下多了个nginx，即新版本的程序
备份旧的nginx程序
cp /usr/local/nginx/sbin/nginx /usr/local/nginx/sbin/nginx.bak
新nginx程序覆盖旧的
cp objs/nginx /usr/local/nginx/sbin/nginx
测试新的nginx程序是否正确
/usr/local/nginx/sbin/nginx -t
nginx: theconfiguration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx:configuration file /usr/local/nginx/conf/nginx.conf test issuccessful
平滑重启nginx
/usr/local/nginx/sbin/nginx -s reload
查看ngixn版本及其编译参数
/usr/local/nginx/sbin/nginx -V
「问题解决」
1.如遇到找不到库文件
echo [/usr/local/lib] > /etc/ld.so.conf.d/usr_local_lib.conf
ldconfig
即可
2./usr/local/nginx/sbin/nginx: error while loading shared libraries: libluajit-5.1.so.2: cannot open shared object file: No such file or directory
在 Nginx 编译时，需要指定 RPATH，记得加入下面选项：
./configure --with-ld-opt="-Wl,-rpath,$LUAJIT_LIB"
或者export LD_LIBRARY_PATH=/usr/local/lib/:$LD_LIBRARY_PATH
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