發(fā)送郵件給
david
，默認的發(fā)送者是
root
123.
.
[root@localhost ~]#
tail /var/spool/mail/david //
查看
david
郵箱，收到郵件
Delivered-To: david@david.cn
Received: by mailsrv.david.cn (Postfix, from userid 0)
id 5B3A7143211; Fri, 5 Oct 2018 21:33:34 0800 (CST)
Message-Id: <20181005133334.5B3A7143211@mailsrv.david.cn>
Date: Fri, 5 Oct 2018 21:33:29 0800 (CST)
From: root@david.cn (wejie)
To: undisclosed-recipients:;
123.
2
）指定發(fā)送者
[root@localhost ~]#
sendmail -f weijie david //weijie
發(fā)送郵件給
david
hehe
.
You have new mail in /var/spool/mail/root
[root@localhost ~]#
tail /var/spool/mail/david //
查看
david
郵箱，發(fā)送者是魏杰
Delivered-To: david@david.cn
Received: by mailsrv.david.cn (Postfix, from userid 0)
id 3544314308F; Fri, 5 Oct 2018 21:37:11 0800 (CST)
Message-Id: <20181005133711.3544314308F@mailsrv.david.cn>
Date: Fri, 5 Oct 2018 21:37:07 0800 (CST)
From: weijie@david.cn (wejie)
To: undisclosed-recipients:;
hehe
3
）查看表中有哪些字段
[root@localhost ~]#
mysqlshow -u root -p test wj //
顯示數(shù)據(jù)庫
test
中的表
wj
的信息
Enter
Database: test Table: wj
------- --------- ------------------- ------ ----- --------- ------- --------------------------------- ---------
| Field | Type | Collation | Null | Key | Default | Extra | Privileges | Comment |
------- --------- ------------------- ------ ----- --------- ------- --------------------------------- ---------
| id | int(11) | | NO | | | | select,insert,update,references | |
| name | text | latin1_swedish_ci | NO | | | | select,insert,update,references | |
------- --------- ------------------- ------ ----- --------- ------- --------------------------------- ---------
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