linux備份和mysql登錄自動輸入密碼

1.mysql自動登錄，系統本身輸入密碼

(1)安裝億須要的軟件

[root@db2 ~]# yum install expect-*

(2)在腳本中寫入命令

#!/usr/bin/expect -f             --使用expect軟件
set timeout 2                   --輸出密碼時延時2秒
spawn mysql -u root -p           --mysql登錄命令
expect "system"               --mysql的密碼
send "system\n"                 --mysql的密碼
interact                           --進入mysql

(3)測試

[root@db2 ~]# ./1.sh
spawn mysql -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 23
Server version: 5.1.47-log Source distribution

Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
This software comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to modify and redistribute it under the GPL v2 license

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

2.遠程登錄