摘要:
未设置远程访问,会报如下的错 [root@cenots7 ~]# mysql -h192.168.30.20 -uroot -p Enter password: ERROR 1045 (28000): Access denied for user 'root'@'192.168.30.90' (us 阅读全文
摘要:
建表语句 -- !/usr/bin/env bash -- this source code form is subject to the terms of the mozilla public -- license, v. 2.0. if a copy of the mpl was not dis 阅读全文
摘要:
[root@node218 ~]# hadoop fs -du -h /inventory5g 8.0 G 8.0 G /inventory5g/inventory.dat 261.2 M 261.2 M /inventory5g/inventory_1_30.dat 261.6 M 261.6 M 阅读全文