1.简单的正向代理
#正向代理http
server {
# access_log /home/bingchenglin/logs/nginx/access.log; 日志一般最上面配置全局
listen 8082;
location / {
resolver 8.8.8.8;#DNS解析 可以用这个
proxy_pass $scheme://$http_host$request_uri;
proxy_buffers 256 4k;
proxy_max_temp_file_size 0k;
}
}
该访问会默认访问80端口 有些网址不是80端口或者图片不能加载
2.通过加入Lua模块对非80端口进行访问
这里有个地址:https://www.cnblogs.com/aoeiuv/p/6856056.html
找到的一个配置文件
if ($http_host ~ "(:(\d){4})$"){
set_by_lua $port "
local host = ngx.req.get_essay-headers()[\"host\"];
local port = string.sub(host,-4);
return port ";
set $passport $port ;
proxy_pass http://$host:$passport$request_uri;
}
if ($http_host ~ "(:(\d){3})$"){
set_by_lua $port "
local host = ngx.req.get_essay-headers()[\"host\"];
local port = string.sub(host,-3);
return port ";
set $passport $port ;
proxy_pass http://$host:$passport$request_uri; }
if ($http_host ~ "(:(\d){2})$"){
set_by_lua $port "
local host = ngx.req.get_essay-headers()[\"host\"];
local port = string.sub(host,-2);
return port ";
set $passport $port ;
proxy_pass http://$host:$passport$request_uri;
} if ($http_host !~ :){
proxy_pass http://$host$request_uri;
}
Nginx安装lua支持
需要LuaJIT-2.0.4.tar.gz,ngx_devel_kit,lua-nginx-module
1.下载安装LuaJIT-2.0.4.tar.gz
wget -c http://luajit.org/download/LuaJIT-2.0.4.tar.gz
tar xzvf LuaJIT-2.0.4.tar.gz
cd LuaJIT-2.0.4
make install PREFIX=/usr/local/luajit
#注意环境变量!
export LUAJIT_LIB=/usr/local/luajit/lib
export LUAJIT_INC=/usr/local/luajit/include/luajit-2.0
2.下载解压ngx_devel_kit
wget https://github.com/simpl/ngx_devel_kit/archive/v0.3.0.tar.gz
tar -xzvf v0.3.0.tar.gz
3.下载解压lua-nginx-module
wget https://github.com/openresty/lua-nginx-module/archive/v0.10.8.tar.gz
tar -xzvf v0.10.8.tar.gz
4.下载安装nginx-1.10.3.tar.gz
wget http://nginx.org/download/nginx-1.10.3.tar.gz
tar -xzvf nginx-1.10.3.tar.gz
cd nginx-1.10.3
./configure --add-module=/opt/soft/ngx_devel_kit-0.3.0 --add-module=/opt/soft/lua-nginx-module-0.10.8
#注意ngx_devel_kit和lua-nginx-module以实际解压路径为准
make -j2
make install
注:报错gcc需要安装,可以执行
yum install -y gcc g++ gcc-c++
依赖报错,可以执行
yum -y install zlib zlib-devel openssl openssl--devel pcre pcre-devel
5.验证
#将nginx做成命令
ln -s /usr/local/nginx/sbin/nginx /usr/bin/nginx
cd /usr/local/nginx/conf/
vi nginx.conf
#lua指令方式
#在server 中添加一个localtion
location /hello {
default_type 'text/plain';
content_by_lua 'ngx.say("hello, lua")';
}
#lua文件方式
#在server 中添加一个localtion
location /lua {
default_type 'text/html';
content_by_lua_file conf/lua/test.lua; #相对于nginx安装目录
}
#test.lua文件内容
ngx.say("hello world");
#启动nginx(已经做了软连接了,可以在任何目录启动)
nginx
注:
报错nginx: error while loading shared libraries: libluajit-5.1.so.2: cannot open shared object file: No such file or directory 可以执行
ln -s /usr/local/luajit/lib/libluajit-5.1.so.2 /lib64/libluajit-5.1.so.2
具体source的路径已实际安装路径为准
访问:
http://127.0.0.1/hello
显示:hello, lua
http://127.0.0.1/lua
显示:hello world
到这里确定安装成功。
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