Keepalived 安装 配置 Nginx 高可用

Keepalived 安装 配置 Nginx 高可用

Keepalived 安装

yum install -y keepalived

配置文件位置

/etc/keepalived/keepalived.conf

配置nginx高可用

vi /etc/keepalived/keepalived.conf

# /etc/keepalived/keepalived.conf

vrrp_script chk_nginx {
    script "pidof nginx"
    interval 2
}

vrrp_instance VI_1 {
    state MASTER # 在一台服务器上设置为 MASTER，另一台设置为 BACKUP
    interface eth0 # 修改网口为你的网口名称
    virtual_router_id 51
    priority 101 # 在 MASTER 上设置为更高的优先级，BACKUP 设置为较低的优先级
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass YourAuthenticationPassword # 替换 YourAuthenticationPassword 为你的认证密码。
    }
    virtual_ipaddress {
        192.168.1.130 # 替换为你的虚拟 IP 地址
    }
    track_script {
        chk_nginx
    }
}

启动服务

systemctl start keepalived

配置开机自启动

systemctl enable keepalived