設置 Linux 服務器中 MySQL 允許遠程訪問
開啓 MySQL 遠程訪問權限： 在linux系統上登陸mysql服務。
– root 是用戶名
Enter password: – 輸入密碼
創建遠程連接 MySQL 的用戶：
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– 創建用戶、密碼及權限範圍 第一個 roo t爲用戶名 @後爲適用的主機，‘%’表示所有電腦都可以訪問連接，第二個 root 爲密碼
mysql> GRANT ALL PRIVILEGES ON . TO ‘root’@’192.168.0.2’ IDENTIFIED
BY ‘root’ WITH GRANT OPTION; Query OK, 0 rows
affected (1.57 sec)
– 立即生效
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
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查看數據庫用戶：
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– 使用 mysql 庫
mysql> use mysql; Reading table information for completion of table
and column names You can turn off this feature to get a quicker
startup with -A
Database changed
– 查看用戶
mysql> SELECT DISTINCT CONCAT(‘User: [‘, user, ”’@”’, host, ‘];’) AS
USER_HOST FROM user;
+—————————————+ | USER_HOST |
+—————————————+ | User: [root’@’127.0.0.1]; | | User: [root’@’192.168.0.2]; | | User: [root’@’::1];
| | User: [root’@’localhost]; | | User:
[root’@’localhost.localdomain]; |
+—————————————+ 5 rows in set (0.00 sec)
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創建成功。
查看端口：
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mysql> show global variables like ‘port’;
+—————+——-+ | Variable_name | Value |
+—————+——-+ | port | 3306 |
+—————+——-+ 1 row in set (0.01 sec)
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開啓3306端口：
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[root@localhost ~]# vim /etc/sysconfig/iptables
Firewall configuration written by system-config-firewall
Manual customization of this file is not recommended.
*filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0]
-A INPUT -m state –state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m state –state NEW -m tcp -p tcp –dport 22 -j ACCEPT
-A INPUT -m state –state NEW -m tcp -p tcp –dport 3306 -j ACCEPT
-A INPUT -j REJECT –reject-with icmp-host-prohibited
-A FORWARD -j REJECT –reject-with icmp-host-prohibited COMMIT“/etc/sysconfig/iptables” 14L, 543C
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注意：一定要加在後兩行的前面。
重啓防火牆：
[root@localhost ~]# service iptables restart iptables：將鏈設置爲政策
ACCEPT：filter [確定]
iptables：清除防火牆規則： [確定]
iptables：正在卸載模塊： [確定]
iptables：應用防火牆規則： [確定]
查看服務器ip地址：
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[root@localhost ~]# ifconfig eth0 Link encap:Ethernet HWaddr
00:0C:29:16:F4:E6
inet addr:192.168.0.123 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: hjjj:jjji::iii:oooo:oooo:ioio/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2931 errors:0 dropped:0 overruns:0 frame:0
TX packets:1631 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:322681 (315.1 KiB) TX bytes:266043 (259.8 KiB)lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
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連接測試：