技术共享

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理论部分

一：Keepalived双机热备基础知识

1.1：keepalived概述及安装

1：keepalived的热备方式

2：keepalived的安装与服务控制

[root@localhost ~]# systemctl stop NetworkManager

[root@localhost ~]# setenforce 0

[root@localhost ~]# systemctl stop firewalld

[root@localhost ~]# yum -y install keepalived ipvsadm

[root@localhost ~]# systemctl enable keepalived

1.2：使用keepalived实现双机热备

1：主服务器的配置

[root@localhost ~]# cd /etc/keepalived/

[root@localhost keepalived]# cp keepalived.conf keepalived.conf.bak

[root@localhost keepalived]# vi keepalived.conf

global_defs {