centos7 安装nginx做tcp代理转发

[root@localhost src]# cd /usr/local/src/
[root@localhost src]# wget http://nginx.org/packages/centos/7/x86_64/RPMS/nginx-1.18.0-1.el7.ngx.x86_64.rpm
[root@localhost src]# rpm -ivh nginx-1.18.0-1.el7.ngx.x86_64.rpm 

[root@localhost src]# nginx -V
nginx version: nginx/1.18.0
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-39) (GCC) 
built with OpenSSL 1.0.2k-fips  26 Jan 2017
TLS SNI support enabled
configure arguments: --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx --modules-path=/usr/lib64/nginx/modules --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid --lock-path=/var/run/nginx.lock --http-client-body-temp-path=/var/cache/nginx/client_temp --http-proxy-temp-path=/var/cache/nginx/proxy_temp --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx --group=nginx --with-compat --with-file-aio --with-threads --with-http_addition_module --with-http_auth_request_module --with-http_dav_module --with-http_flv_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_mp4_module --with-http_random_index_module --with-http_realip_module --with-http_secure_link_module --with-http_slice_module --with-http_ssl_module --with-http_stub_status_module --with-http_sub_module --with-http_v2_module --with-mail --with-mail_ssl_module --with-stream --with-stream_realip_module --with-stream_ssl_module --with-stream_ssl_preread_module --with-cc-opt=‘-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -fPIC‘ --with-ld-opt=‘-Wl,-z,relro -Wl,-z,now -pie‘
[root@localhost src]# 

[root@localhost ~]# cd /etc/nginx/
[root@localhost nginx]# vim nginx.conf 
user  nginx;
worker_processes  8;

error_log  /var/log/nginx/info.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections 65536;
}

stream{

    #access_log /var/log/nginx/tcp-access.log proxy ;
    open_log_file_cache off;

    upstream cmpp7890{
        server xxx.xxx.xxx.xxx:7890;
        server xxx.xxx.xxx.xxx:7890 backup; #备服务器,当主down掉，nginx自动切换到备机，当主服务器重新启动后，需要手动断掉备机才会切回主服务器
    }

    server{
        listen 7890;
        proxy_connect_timeout 500s;
        proxy_timeout 500s;
        proxy_pass cmpp7890;
    }
}

[root@localhost tcpConf]# systemctl start nginx  

[root@localhost tcpConf]# netstat -ano|grep 7890          
tcp        0      0 0.0.0.0:7890            0.0.0.0:*               LISTEN      off (0.00/0/0)
[root@localhost tcpConf]#