CentOS7使用YUM安装keepalived

查看是否可以YUM安装

yum list keepalived

YUM安装

yum install -y keepalived

查看IP和网卡

ifconfig  例如下图红框部分即为IP和网卡

编辑配置文件

vi /etc/ keepalived/ keepalived.conf

主服务器配置：

vrrp_instance VI_1 {
    state BACKUP
    interface ens33
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass RedisKeepalivedPass2019
    }

    virtual_ipaddress {
        192.168.35.139
    }
}

备服务器配置：

vrrp_instance VI_1 {
    state BACKUP
    interface ens33
    virtual_router_id 51
    priority 99
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass RedisKeepalivedPass2019
    }

    virtual_ipaddress {
        192.168.35.139
    }
}

设置开机自启动

systemctl enable keepalived

启动

systemctl start keepalived

查看启动结果

ps aux | grep keepalived

查看VIP

ip addr show