部署环境:
centos7:192.168.59.130 keepalived+nginx
centos7:192.168.59.131 web服务
centos7:192.168.59.132 web服务
centos7:192.168.59.133 keepalived+nginx
一、NGINX负载均衡
NGIN版本1.18
安装相关依赖(四台安装)
yum -y install gcc gcc-c++ pcre-devel zlib-devel openssl-devel
安装NGINX
tar xzf nginx-1.18.0.tar.gz
cd nginx-1.18.0
./configure
make && make install
二、设置代理机
vim /usr/local/nginx/conf/nginx.conf
三、web端设置
配置:
192.168.59.131
192.168.59.132
vim /usr/local/nginx/html/index.html
三台nginx开机
/usr/local/nginx/sbin/nginx
访问代理服务器192.168.59.130
如果刷新能刷出两个网站那就证明负载均衡成功
四、keepalived高可用
192.168.59.133在做一遍二代理设置
两台代理机安装keepalived并设置配置文件
192.168.59.130
192.168.59.133
yum -y install keepalived
vim /etc/keepalived/keepalived.conf
master配置文件:
backup配置文件:
重启keepalived
systemctl restart keepalived
查看VIP
ip a
显示VIP代表成功了
关闭一台keepalived测试是否漂移
另一台查看
浏览器访问VIP测试
如果开启防火墙请设置(关闭请无视)
iptables -I INPUT -i Eth0 -d IP/24 -p vrrp -j ACCEPT
iptables -I OUTPUT -o eth0 -d IP/24 -p vrrp -j ACCEPT
测试成功,keepalived高可用+nginx负载均衡至此完成!!!