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安装keepalived软件包:在Linux系统中使用包管理工具安装keepalived软件包,例如在CentOS系统中可以使用yum install keepalived命令安装。
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配置keepalived主配置文件:主配置文件通常位于/etc/keepalived/keepalived.conf,用户需要编辑此文件来配置keepalived的全局参数、VRRP实例和邮件通知等。
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配置VRRP实例:在主配置文件中配置VRRP实例,包括定义虚拟IP地址、设置优先级、指定备份节点等。
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启动keepalived服务:保存并退出主配置文件后,通过启动keepalived服务来应用配置更改,可以使用systemctl start keepalived命令来启动keepalived服务。
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设置keepalived服务开机自启动:为了在系统启动时自动启动keepalived服务,需要使用systemctl enable keepalived命令将keepalived服务添加到系统启动项中。
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监控keepalived日志:定期监控keepalived日志文件(通常位于/var/log/messages或/var/log/syslog),以了解keepalived的运行状态和可能的问题。