mysql操作

查看mysql端口

 如何查看mysql 默认端口号和修改端口号 2015-03-19 17:42:18
 
 
1. 登录mysql
 
[root@test /]# mysql -u root -p
Enter password:
 
 
2. 使用命令show global variables like 'port';查看端口号
 
mysql> show global variables like 'port';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| port | 3306 |
+---------------+-------+
1 row in set (0.00 sec)
 
 
3. 修改端口,编辑/etc/my.cnf文件,早期版本有可能是my.conf文件名,增加端口参数,并且设定端口,注意该端口未被使用,保存退出。
 
[root@test etc]# vi my.cnf
[mysqld]
port=3506
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
 
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
 
"my.cnf" 11L, 261C written
[root@test etc]#
 
4. 重新启动mysql
 
[root@test ~]# /etc/init.d/mysqld restart
Stopping mysqld: [ OK ]
Starting mysqld: [ OK ]
 
5.再次登录后检查端口已修改为’3506’.
 
[root@test etc]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.1.66 Source distribution
 
Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
 
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
 
mysql> show global variables like 'port';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| port | 3506 |
+---------------+-------+
1 row in set (0.00 sec)
 
mysql>
 
总结:注意修改的端口不要被占用,而且要有规划,不要轻意的总是调整数据库端口。还有就是安全保障,记得与负责网络的人提前通知,以免端口无法正常使用。 
posted @ 2023-05-16 06:15  胡安  阅读(12)  评论(0编辑  收藏  举报