Zabbix Serve升级成7.4，之前的proxy是6.4的，发现无法获取到监控的host的状态，进入7.4界面查询proxy状态，提示不兼容6.4先删除之前的安装sudo systemctl stop zabbix-proxysudo rm /etc/zabbix/zabbix_proxy.confsudo apt autoremove zabbix-proxy-mysql zabbix-s
系统提示硬盘有坏道需要更换更换硬盘有一些基本原则The Replace Drive button only appears when all the following criteria are met:Your Synology NAS must contain at least one unused drive. Your storage pool must be in one of the
GUI版本，这里有2个有意思的选项Deny和Reject，查询后发现Deny是直接drop掉来访，Reject是拒绝但是会回告对方详细解析：Deny (or Drop):When a rule is set to "deny," the firewall silently discards the incoming packets without sending any response to t
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