Nginx代理
#cd /usr/local/nginx/conf/vhost
#vim proxy.conf //加入以下內容
server { listen 80; server_name ask.apelearn.com; //定義訪問的目的域名 location / { proxy_pass http://121.201.9.155/; //目的域名的ip地址 proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } }
#/usr/local/nginx/sbin/nginx -t //測試語法
#/usr/local/nginx/sbin/nginx -s reload //從新加載
#curl ask.apelearn.com/robots.txt //索引列表,可以正常訪問
#curl -x127.0.0.1:80 ask.apelearn.com/robots.txt //本機去訪問也能正常訪問,說明代理成功
Nginx 負載均衡
咱們能夠用代理qq.com來進行實驗,咱們須要知道qq.com的域名解析的ip有哪些,能夠藉助dig工具,當沒有dig命令時,須要安裝bind-utils包nginx
#yum install -y bind-utils
#dig qq.com
#vim /usr/local/nginx/conf/vhost/load.conf // 寫入以下內容,它藉助了一個模塊upstream
upstream qq.com //upstream來指定多個web server { ip_hash; //爲了讓同一個用戶始終保持在同一個機器上 server 61.135.157.156:80; //能夠定義多個ip server 125.39.240.113:80; } server { listen 80; server_name www.qq.com; //定義域名,不能寫多個 location / { proxy_pass http://qq.com; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } }
#curl -x127.0.0.1:80 www.qq.com //測試,負載均衡功能正常