一、安装keepalived

sudo apt update
sudo apt install keepalived
sudo systemctl start keepalived
sudo systemctl enable keepalived
sudo systemctl status keepalived

#配置Keepalived
sudo cp /etc/keepalived/keepalived.conf.sample /etc/keepalived/keepalived.conf
nano /etc/keepalived/keepalived.conf
==================================================
global_defs {
   router_id LVS_DEVEL
}
 
vrrp_instance VI_1 {
    state MASTER
    interface enp0s3
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
		192.168.31.183
    }
}
==================================================
#重启
sudo service keepalived start

通过keepalived提拱的虚拟Ip访问haproxy代理的网站

http://192.168.31.183:5001/swagger/index.html