10 2023 档案
摘要：systemctl操作firewalld 启动 # 启动 systemctl start firewalld # 关闭 systemctl stop firewalld # 重启 systemctl restart firewalld # 查看状态 systemctl status firewall
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摘要：创建MySQL表 创建数据库test和表t1,并向t1表中插入几条数据 CREATE database test ; use test; CREATE table t1( id int, name varchar(100) ); INSERT INTO t1 values (1, 'a'),(2,
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