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  • 开放Fedora10自带的MySQL5.0.67的对外数据库服务

    MySQL5.0.67是Fedora10安装时的可选项目。

    测试的笔记本IP为192.168.0.100,作为安装Fedora10和MySQL5.0.67的服务器BlackMachine的IP地址为192.168.0.104.

    以下是对MySQL的配置过程。

    查看/etc/my.cnf文件

    [root@blackmachine ~]# cd /etc/
    [root@blackmachine etc]# vi my.cnf


    my.cnf文件内容如下,可作为参照,不需要进行修改。
    [mysqld]
    datadir=/var/lib/mysql
    socket=/var/lib/mysql/mysql.sock
    user=mysql
    # Default to using old password format for compatibility with mysql 3.x
    # clients (those using the mysqlclient10 compatibility package).
    old_passwords=1

    # To allow mysqld to connect to a MySQL Cluster management daemon, uncomment
    # these lines and adjust the connectstring as needed.
    #ndbcluster
    #ndb-connectstring="nodeid=4;host=localhost:1186"

    [mysqld_safe]
    log-error=/var/log/mysqld.log
    pid-file=/var/run/mysqld/mysqld.pid

    [ndbd]
    # If you are running a MySQL Cluster storage daemon (ndbd) on this machine,
    # adjust its connection to the management daemon here.
    # Note: ndbd init script requires this to include nodeid!
    connect-string="nodeid=2;host=localhost:1186"

    [ndb_mgm]
    # connection string for MySQL Cluster management tool
    connect-string="host=localhost:1186"

    设定Root的密码:

    [root@blackmachine etc]# /usr/bin/mysqladmin -u root password '123456'

    进入/usr/bin目录

    [root@blackmachine etc]# cd /usr/bin

    进入MySQL管理,进行授权
    [root@blackmachine bin]#  ./mysql -u root -p
    Enter password:
    Welcome to the MySQL monitor.  Commands end with ; or g.
    Your MySQL connection id is 4
    Server version: 5.0.67 Source distribution

    Type 'help;' or 'h' for help. Type 'c' to clear the buffer.

    mysql> grant all privileges on *.* to root@'%' identified by "root";
    Query OK, 0 rows affected (0.00 sec)

    mysql> flush privileges;
    Query OK, 0 rows affected (0.00 sec)

    mysql> grant select,update,insert,delete on *.* to root@192.168.0.100 identified by "root";
    Query OK, 0 rows affected (0.00 sec)

    mysql> flush privileges;
    Query OK, 0 rows affected (0.00 sec)

    mysql> quit
    Bye

    重启下mysqld服务是否正常

    [root@blackmachine bin]# service mysqld restart
    Stopping MySQL:                                            [  OK  ]
    Starting MySQL:                                            [  OK  ]

    很好,然后再次进入数据库管理界面,又一次设定root的密码。

    [root@blackmachine bin]# mysql -u root -p
    Enter password:
    Welcome to the MySQL monitor.  Commands end with ; or g.
    Your MySQL connection id is 2
    Server version: 5.0.67 Source distribution

    Type 'help;' or 'h' for help. Type 'c' to clear the buffer.

    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
    mysql> update user set password=password('12345678') where user='root';
    Query OK, 5 rows affected (0.00 sec)
    Rows matched: 5  Changed: 5  Warnings: 0

    mysql> flush privileges;
    Query OK, 0 rows affected (0.00 sec)

    mysql> quit
    Bye

    修改/etc/sysconfig/iptables文件,增加3306对外端口。

    [root@blackmachine bin]# vi /etc/sysconfig/iptables

    /etc/sysconfig/iptables的内容,其中粗体一行为新加的。
    # 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

    重启下防火墙

    [root@blackmachine bin]# service iptables restart
    iptables: Flushing firewall rules:                         [  OK  ]
    iptables: Setting chains to policy ACCEPT: filter          [  OK  ]
    iptables: Unloading modules:                               [  OK  ]
    iptables: Applying firewall rules:                         [  OK  ]

    查看系统中已经启动的网络连接和对应的端口信息,3306应该在列

    [root@blackmachine bin]# netstat -tlnpu
    Active Internet connections (only servers)
    Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name   
    tcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN      6786/mysqld         
    tcp        0      0 0.0.0.0:111                 0.0.0.0:*                   LISTEN      1473/rpcbind        
    tcp        0      0 0.0.0.0:38098               0.0.0.0:*                   LISTEN      1486/rpc.statd      
    tcp        0      0 0.0.0.0:22                  0.0.0.0:*                   LISTEN      1886/sshd           
    tcp        0      0 127.0.0.1:631               0.0.0.0:*                   LISTEN      1974/cupsd          
    tcp        0      0 127.0.0.1:25                0.0.0.0:*                   LISTEN      1903/sendmail: acce
    tcp        0      0 :::111                      :::*                        LISTEN      1473/rpcbind        
    tcp        0      0 :::22                       :::*                        LISTEN      1886/sshd           
    udp        0      0 0.0.0.0:800                 0.0.0.0:*                               1473/rpcbind        
    udp        0      0 0.0.0.0:34732               0.0.0.0:*                               1486/rpc.statd      
    udp        0      0 0.0.0.0:814                 0.0.0.0:*                               1486/rpc.statd      
    udp        0      0 0.0.0.0:68                  0.0.0.0:*                               1846/dhclient       
    udp        0      0 0.0.0.0:36057               0.0.0.0:*                               1964/avahi-daemon:  
    udp        0      0 0.0.0.0:5353                0.0.0.0:*                               1964/avahi-daemon:  
    udp        0      0 0.0.0.0:111                 0.0.0.0:*                               1473/rpcbind        
    udp        0      0 0.0.0.0:631                 0.0.0.0:*                               1974/cupsd          
    udp        0      0 :::800                      :::*                                    1473/rpcbind        
    udp        0      0 :::111                      :::*                                    1473/rpcbind        
    [root@blackmachine bin]#

    看到3306在列后,就可以通过192.168.0.100上的数据库客户端软件进行连接测试了

    以上画面表征测试通过。

    《全文完,纰漏不足之处烦请指出,谢谢!》

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  • 原文地址:https://www.cnblogs.com/heyang78/p/3302332.html
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