/bin,/sbin,/usr/bin,/usr/sbin区别 / : this is root directory root 用户根目录 /bin : commands in this dir are all system installed user commands 系统的一些指令 /sbin: commands in this dir are all system installed super user commands 超级用户指令 系统管理
/bin,/sbin,/usr/bin,/usr/sbin区别 / : this is root directory root 用户根目录 /bin : commands in this dir are all system installed user commands 系统的一些指令 /sbin: commands in this dir are all system installed super user commands 超级用户指令 系统管理
错误信息:ERROR 1044: Access denied for user: '@localhost' to database 'mysql' linux下解决方案: mysql> use mysql ERROR 1044 (42000): Access denied for user 'root'@'localhost' to database 'mysql' mysql> exit Bye [root@testtest ~]# service mysqld stop如果该命令不能执行可