• 检查MySQL及相关RPM包,是否安装,如果有安装,则移除(rpm –e 名称)
 
[root@localhost share]# rpm -qa | grep -i mysql
MySQL-client-5.6.28-1.el6.x86_64
MySQL-devel-5.6.28-1.el6.x86_64
mysql-libs-5.1.71-1.el6.x86_64
[root@localhost share]# yum -y remove mysql-libs*
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Remove Process
Resolving Dependencies
--> Running transaction check
---> Package mysql-libs.x86_64 0:5.1.71-1.el6 will be erased
--> Processing Dependency: libmysqlclient.so.16()(64bit) for package: 2:postfix-2.6.6-2.2.el6_1.x86_64
--> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16)(64bit) for package: 2:postfix-2.6.6-2.2.el6_1.x86_64
--> Processing Dependency: mysql-libs for package: 2:postfix-2.6.6-2.2.el6_1.x86_64
--> Running transaction check
---> Package postfix.x86_64 2:2.6.6-2.2.el6_1 will be erased
--> Processing Dependency: /usr/sbin/sendmail for package: cronie-1.4.4-12.el6.x86_64
--> Running transaction check
---> Package cronie.x86_64 0:1.4.4-12.el6 will be erased
--> Processing Dependency: cronie = 1.4.4-12.el6 for package: cronie-anacron-1.4.4-12.el6.x86_64
--> Running transaction check
---> Package cronie-anacron.x86_64 0:1.4.4-12.el6 will be erased
--> Processing Dependency: /etc/cron.d for package: crontabs-1.10-33.el6.noarch
--> Processing Dependency: /etc/cron.d for package: sysstat-9.0.4-22.el6.x86_64
--> Restarting Dependency Resolution with new changes.
--> Running transaction check
---> Package crontabs.noarch 0:1.10-33.el6 will be erased
---> Package sysstat.x86_64 0:9.0.4-22.el6 will be erased
--> Finished Dependency Resolution
 
Dependencies Resolved
 
==============================================================================================================================
 Package                 Arch            Version                      Repository                                         Size
==============================================================================================================================
Removing:
 mysql-libs              x86_64          5.1.71-1.el6                 @anaconda-CentOS-201311272149.x86_64/6.5          4.0 M
Removing for dependencies:
 cronie                  x86_64          1.4.4-12.el6                 @anaconda-CentOS-201311272149.x86_64/6.5          174 k
 cronie-anacron          x86_64          1.4.4-12.el6                 @anaconda-CentOS-201311272149.x86_64/6.5           43 k
 crontabs                noarch          1.10-33.el6                  @anaconda-CentOS-201311272149.x86_64/6.5          2.4 k
 postfix                 x86_64          2:2.6.6-2.2.el6_1            @anaconda-CentOS-201311272149.x86_64/6.5          9.7 M
 sysstat                 x86_64          9.0.4-22.el6                 @anaconda-CentOS-201311272149.x86_64/6.5          824 k
 
Transaction Summary
==============================================================================================================================
Remove        6 Package(s)
 
Installed size: 15 M
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Erasing    : sysstat-9.0.4-22.el6.x86_64                                                                                1/6
  Erasing    : cronie-1.4.4-12.el6.x86_64                                                                                 2/6
  Erasing    : cronie-anacron-1.4.4-12.el6.x86_64                                                                         3/6
  Erasing    : crontabs-1.10-33.el6.noarch                                                                                4/6
  Erasing    : 2:postfix-2.6.6-2.2.el6_1.x86_64                                                                           5/6
  Erasing    : mysql-libs-5.1.71-1.el6.x86_64                                                                             6/6
  Verifying  : cronie-anacron-1.4.4-12.el6.x86_64                                                                         1/6
  Verifying  : 2:postfix-2.6.6-2.2.el6_1.x86_64                                                                           2/6
  Verifying  : mysql-libs-5.1.71-1.el6.x86_64                                                                             3/6
  Verifying  : crontabs-1.10-33.el6.noarch                                                                                4/6
  Verifying  : sysstat-9.0.4-22.el6.x86_64                                                                                5/6
  Verifying  : cronie-1.4.4-12.el6.x86_64                                                                                 6/6
 
Removed:
  mysql-libs.x86_64 0:5.1.71-1.el6                                                                                           
 
Dependency Removed:
  cronie.x86_64 0:1.4.4-12.el6             cronie-anacron.x86_64 0:1.4.4-12.el6         crontabs.noarch 0:1.10-33.el6       
  postfix.x86_64 2:2.6.6-2.2.el6_1         sysstat.x86_64 0:9.0.4-22.el6               
 
Complete!
 
 
  • 下载rpm安装包
[root@localhost src]# cd /usr/local/src/
[root@localhost src]# ll
total 76224
-rw-r--r--. 1 root root 18633576 Jan  6  2016 MySQL-client-5.6.28-1.el6.x86_64.rpm
-rw-r--r--. 1 root root  3421028 Jan  6  2016 MySQL-devel-5.6.28-1.el6.x86_64.rpm
-rw-r--r--. 1 root root 55991256 Jan  6  2016 MySQL-server-5.6.28-1.el6.x86_64.rpm
 
  • 安装mysql
 
[root@localhost src]# rpm -ivh MySQL-server-5.6.28-1.el6.x86_64.rpm 
[root@localhost src]# rpm -ivh MySQL-client-5.6.28-1.el6.x86_64.rpm
[root@localhost src]# rpm -ivh MySQL-devel-5.6.28-1.el6.x86_64.rpm
[root@localhost src]# cp /usr/share/mysql/my-default.cnf /etc/my.cnf
 
  • 初始化MySQL及设置密码
 
[root@localhost src]# /usr/bin/mysql_install_db
[root@localhost src]# service mysql start
Starting MySQL. SUCCESS!
[root@localhost src]# cat /root/.mysql_secret
# The random password set for the root user at Sat Jan  7 19:43:53 2017 (local time): boYCenylJSR0j0hQ
[root@localhost src]# mysql -uroot -pboYCenylJSR0j0hQ
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.28
 
Copyright (c) 2000, 2015, 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> SET PASSWORD = PASSWORD('xiaojf');
mysql> exit;
Bye
[root@localhost src]# mysql -uroot -pxiaojf
 
 
  • 允许远程登陆
 
mysql> user mysql;
mysql> select host,user,password from user;
+-----------------------+------+-------------------------------------------+
| host                  | user | password                                  |
+-----------------------+------+-------------------------------------------+
| localhost             | root | *106F597EE6049BC770FAE0656C3DB58BBA2F444B |
| localhost.localdomain | root | *81AF1E1D22B506785504F88874E314CE6AA1C173 |
| 127.0.0.1             | root | *81AF1E1D22B506785504F88874E314CE6AA1C173 |
| ::1                   | root | *81AF1E1D22B506785504F88874E314CE6AA1C173 |
+-----------------------+------+-------------------------------------------+
4 rows in set (0.00 sec)
 
mysql> update user set password=password('xiaojf') where user = 'xiaojf';
Query OK, 0 rows affected (0.00 sec)
Rows matched: 0  Changed: 0  Warnings: 0
 
mysql> update user set host='%' where user='root' and host='localhost';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0
 
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
 
mysql> exit;
Bye
[root@localhost src]# mysql -uroot -pxiaojf;
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.6.28 MySQL Community Server (GPL)
 
Copyright (c) 2000, 2015, 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>
 
  • MySQL的默认安装位置
1 /var/lib/mysql/               #数据库目录
2 /usr/share/mysql              #配置文件目录
3 /usr/bin                     #相关命令目录
4 /etc/init.d/mysql              #启动脚本
 
  • 创建普通用户,并允许远程访问
 
[root@localhost src]# vi /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
 
[root@localhost src]# service iptables restart
iptables: Setting chains to policy ACCEPT: filter          [  OK  ]
iptables: Flushing firewall rules:                         [  OK  ]
iptables: Unloading modules:                               [  OK  ]
iptables: Applying firewall rules:                         [  OK  ]
 
[root@localhost src]# mysql -uroot -pxiaojf;
mysql> grant all privileges on *.* to 'xiaojf'@'%' identified by 'xiaojf';
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
 
  • 修改字符集
 
[mysqld]
port            = 3306
character_set_server=utf8
character_set_client=utf8
collation-server=utf8_general_ci
lower_case_table_names=1
max_connections=1000
  • 检查MySQL及相关RPM包,是否安装,如果有安装,则移除(rpm –e 名称)
 
[root@localhost share]# rpm -qa | grep -i mysql
MySQL-client-5.6.28-1.el6.x86_64
MySQL-devel-5.6.28-1.el6.x86_64
mysql-libs-5.1.71-1.el6.x86_64
[root@localhost share]# yum -y remove mysql-libs*
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Remove Process
Resolving Dependencies
--> Running transaction check
---> Package mysql-libs.x86_64 0:5.1.71-1.el6 will be erased
--> Processing Dependency: libmysqlclient.so.16()(64bit) for package: 2:postfix-2.6.6-2.2.el6_1.x86_64
--> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16)(64bit) for package: 2:postfix-2.6.6-2.2.el6_1.x86_64
--> Processing Dependency: mysql-libs for package: 2:postfix-2.6.6-2.2.el6_1.x86_64
--> Running transaction check
---> Package postfix.x86_64 2:2.6.6-2.2.el6_1 will be erased
--> Processing Dependency: /usr/sbin/sendmail for package: cronie-1.4.4-12.el6.x86_64
--> Running transaction check
---> Package cronie.x86_64 0:1.4.4-12.el6 will be erased
--> Processing Dependency: cronie = 1.4.4-12.el6 for package: cronie-anacron-1.4.4-12.el6.x86_64
--> Running transaction check
---> Package cronie-anacron.x86_64 0:1.4.4-12.el6 will be erased
--> Processing Dependency: /etc/cron.d for package: crontabs-1.10-33.el6.noarch
--> Processing Dependency: /etc/cron.d for package: sysstat-9.0.4-22.el6.x86_64
--> Restarting Dependency Resolution with new changes.
--> Running transaction check
---> Package crontabs.noarch 0:1.10-33.el6 will be erased
---> Package sysstat.x86_64 0:9.0.4-22.el6 will be erased
--> Finished Dependency Resolution
 
Dependencies Resolved
 
==============================================================================================================================
 Package                 Arch            Version                      Repository                                         Size
==============================================================================================================================
Removing:
 mysql-libs              x86_64          5.1.71-1.el6                 @anaconda-CentOS-201311272149.x86_64/6.5          4.0 M
Removing for dependencies:
 cronie                  x86_64          1.4.4-12.el6                 @anaconda-CentOS-201311272149.x86_64/6.5          174 k
 cronie-anacron          x86_64          1.4.4-12.el6                 @anaconda-CentOS-201311272149.x86_64/6.5           43 k
 crontabs                noarch          1.10-33.el6                  @anaconda-CentOS-201311272149.x86_64/6.5          2.4 k
 postfix                 x86_64          2:2.6.6-2.2.el6_1            @anaconda-CentOS-201311272149.x86_64/6.5          9.7 M
 sysstat                 x86_64          9.0.4-22.el6                 @anaconda-CentOS-201311272149.x86_64/6.5          824 k
 
Transaction Summary
==============================================================================================================================
Remove        6 Package(s)
 
Installed size: 15 M
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Erasing    : sysstat-9.0.4-22.el6.x86_64                                                                                1/6
  Erasing    : cronie-1.4.4-12.el6.x86_64                                                                                 2/6
  Erasing    : cronie-anacron-1.4.4-12.el6.x86_64                                                                         3/6
  Erasing    : crontabs-1.10-33.el6.noarch                                                                                4/6
  Erasing    : 2:postfix-2.6.6-2.2.el6_1.x86_64                                                                           5/6
  Erasing    : mysql-libs-5.1.71-1.el6.x86_64                                                                             6/6
  Verifying  : cronie-anacron-1.4.4-12.el6.x86_64                                                                         1/6
  Verifying  : 2:postfix-2.6.6-2.2.el6_1.x86_64                                                                           2/6
  Verifying  : mysql-libs-5.1.71-1.el6.x86_64                                                                             3/6
  Verifying  : crontabs-1.10-33.el6.noarch                                                                                4/6
  Verifying  : sysstat-9.0.4-22.el6.x86_64                                                                                5/6
  Verifying  : cronie-1.4.4-12.el6.x86_64                                                                                 6/6
 
Removed:
  mysql-libs.x86_64 0:5.1.71-1.el6                                                                                           
 
Dependency Removed:
  cronie.x86_64 0:1.4.4-12.el6             cronie-anacron.x86_64 0:1.4.4-12.el6         crontabs.noarch 0:1.10-33.el6       
  postfix.x86_64 2:2.6.6-2.2.el6_1         sysstat.x86_64 0:9.0.4-22.el6               
 
Complete!
 
 
  • 下载rpm安装包
[root@localhost src]# cd /usr/local/src/
[root@localhost src]# ll
total 76224
-rw-r--r--. 1 root root 18633576 Jan  6  2016 MySQL-client-5.6.28-1.el6.x86_64.rpm
-rw-r--r--. 1 root root  3421028 Jan  6  2016 MySQL-devel-5.6.28-1.el6.x86_64.rpm
-rw-r--r--. 1 root root 55991256 Jan  6  2016 MySQL-server-5.6.28-1.el6.x86_64.rpm
 
  • 安装mysql
 
[root@localhost src]# rpm -ivh MySQL-server-5.6.28-1.el6.x86_64.rpm 
[root@localhost src]# rpm -ivh MySQL-client-5.6.28-1.el6.x86_64.rpm
[root@localhost src]# rpm -ivh MySQL-devel-5.6.28-1.el6.x86_64.rpm
[root@localhost src]# cp /usr/share/mysql/my-default.cnf /etc/my.cnf
 
  • 初始化MySQL及设置密码
 
[root@localhost src]# /usr/bin/mysql_install_db
[root@localhost src]# service mysql start
Starting MySQL. SUCCESS!
[root@localhost src]# cat /root/.mysql_secret
# The random password set for the root user at Sat Jan  7 19:43:53 2017 (local time): boYCenylJSR0j0hQ
[root@localhost src]# mysql -uroot -pboYCenylJSR0j0hQ
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.28
 
Copyright (c) 2000, 2015, 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> SET PASSWORD = PASSWORD('xiaojf');
mysql> exit;
Bye
[root@localhost src]# mysql -uroot -pxiaojf
 
 
  • 允许远程登陆
 
mysql> user mysql;
mysql> select host,user,password from user;
+-----------------------+------+-------------------------------------------+
| host                  | user | password                                  |
+-----------------------+------+-------------------------------------------+
| localhost             | root | *106F597EE6049BC770FAE0656C3DB58BBA2F444B |
| localhost.localdomain | root | *81AF1E1D22B506785504F88874E314CE6AA1C173 |
| 127.0.0.1             | root | *81AF1E1D22B506785504F88874E314CE6AA1C173 |
| ::1                   | root | *81AF1E1D22B506785504F88874E314CE6AA1C173 |
+-----------------------+------+-------------------------------------------+
4 rows in set (0.00 sec)
 
mysql> update user set password=password('xiaojf') where user = 'xiaojf';
Query OK, 0 rows affected (0.00 sec)
Rows matched: 0  Changed: 0  Warnings: 0
 
mysql> update user set host='%' where user='root' and host='localhost';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0
 
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
 
mysql> exit;
Bye
[root@localhost src]# mysql -uroot -pxiaojf;
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.6.28 MySQL Community Server (GPL)
 
Copyright (c) 2000, 2015, 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>
 
  • MySQL的默认安装位置
1 /var/lib/mysql/               #数据库目录
2 /usr/share/mysql              #配置文件目录
3 /usr/bin                     #相关命令目录
4 /etc/init.d/mysql              #启动脚本
 
  • 创建普通用户,并允许远程访问
 
[root@localhost src]# vi /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
 
[root@localhost src]# service iptables restart
iptables: Setting chains to policy ACCEPT: filter          [  OK  ]
iptables: Flushing firewall rules:                         [  OK  ]
iptables: Unloading modules:                               [  OK  ]
iptables: Applying firewall rules:                         [  OK  ]
 
[root@localhost src]# mysql -uroot -pxiaojf;
mysql> grant all privileges on *.* to 'xiaojf'@'%' identified by 'xiaojf';
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
 
  • 修改字符集
 
[mysqld]
port            = 3306
character_set_server=utf8
character_set_client=utf8
collation-server=utf8_general_ci
lower_case_table_names=1
max_connections=1000

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