报错内容
15373:20230325:011421.820 database is down: reconnecting in 10 seconds
15373:20230325:011431.821 [Z3001] connection to database 'zabbix' failed: [2002] Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
15373:20230325:011431.821 database is down: reconnecting in 10 seconds

解决方法

查找文件mysql.sock

find / -name mysql.sock

把mysql 的文件链接到/tmp下面

ln -s /usr/local/mysql/mysql.sock /tmp/

重新启动zabbix，正常启动

整个操作如下图