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随笔-3-6

一 RAC集群

  优势:高可用,平衡负载

二 虚拟机

  挂载共享文件夹 mount -t vboxsf share /mnt/shared

  初始化root用户密码:

jady@jady-VirtualBox:/$ sudo passwd
[sudo] password for jady:
Sorry, try again.
[sudo] password for jady:
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully
jady@jady-VirtualBox:/$ su root
Password:

  

随笔-3-6