一、关闭服务,备份数据库 Systemctl stop zabbix-server,然后备份数据库,备份原有配置文件等 二、添加 Zabbix 软件仓库,升级软件包 rpm -Uvh https://repo.zabbix.com/zabbix/4.2/rhel/7/x86_64/zabbix-release-4.2-1.el7.noarch.rpm yum upgrade zabbix-server-mysql zabbix-web-mysql 三、重新启动Zabbix服务 systemctl start zab…