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  • Keepalived 的使用

    1.什么是keepalived Keepalived的作用是检测web服务器的状态,如果有一台web服务器死机,或工作出现故障,Keepalived将检测到,并将有故障的web服务器从系统中剔除,当web服务器工作正常后Keepalived自动将web服务器加入到服务器群中,这些工作全部自动完成,不需要人工干涉,需要人工做的只是修复故障的web服务器。

    2. keepalived 安装

    wget http://www.keepalived.org/software/keepalived-1.1.12.tar.gz
    tar -zxvf keepalived-1.1.12.tar.gz
    cd keepalived-1.1.12
    ./configure --prefix=/usr/local/keepalived
    make && make install 
    !如果出现: configure: error: Popt libraries is required
    yum  -y install popt-devel

    3. 配置

    1. 主 vrrp_instance VI_1 { state MASTER interface eth0 virtual_router_id 51 priority 100 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.200.18 } } 

    2. 备 vrrp_instance VI_1 { state BACKUP interface eth0 virtual_router_id 51 priority 50 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.200.18 } }

    4. keepalived启用 /usr/local/keepalived/sbin/keepalived -D -f /usr/local/keepalived/etc/keepalived/keepalived.conf

    5. 查看ip ip add show eth0

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  • 原文地址:https://www.cnblogs.com/aqicheng/p/10299498.html
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