centos 6.9安装mysql的实例教程

1、确认mysql是否已安装,有下面的代码可知

[root@cdh1 zjl]# yum list installed mysql*Loaded plugins: fastestmirror, refresh-packagekit, security  Loading mirror speeds from cached hostfile * base: mirrors.zju.edu.cn * extras: mirrors.aliyun.com * updates: mirrors.aliyun.com  Installed Packages  MySQL-python.x86_64 1.2.3-0.3.c1.1.el6 @base                          mysql-libs.x86_64   5.1.73-8.el6_8     @anaconda-centos-201703281317.x86_64/6.9

2、卸载已安装的mysql,建议使用yum命令,因为yum命令可以自动删除与mysql相关的依赖;如果使用rpm命令,则还需要手动去删除和mysql相关的文件,比较麻烦

[root@cdh1 zjl]# yum remove MySQL-python.x86_64 mysql-libs.x86_64  Loaded plugins: fastestmirror, refresh-packagekit, security  Setting up Remove Process  Resolving Dependencies--> Running transaction check---> Package MySQL-python.x86_64 0:1.2.3-0.3.c1.1.el6 will be erased--> Processing Dependency: MySQL-python for package: cloudera-manager-agent-5.11.1-1.cm5111.p0.9.el6.x86_64---> Package mysql-libs.x86_64 0:5.1.73-8.el6_8 will be erased--> Processing Dependency: libmysqlclient.so.16()(64bit) for package: 2:postfix-2.6.6-8.el6.x86_64--> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16)(64bit) for package: 2:postfix-2.6.6-8.el6.x86_64--> Processing Dependency: mysql-libs for package: 2:postfix-2.6.6-8.el6.x86_64--> Running transaction check---> Package cloudera-manager-agent.x86_64 0:5.11.1-1.cm5111.p0.9.el6 will be erased---> Package postfix.x86_64 2:2.6.6-8.el6 will be erased--> Processing Dependency: /usr/sbin/sendmail for package: redhat-lsb-core-4.0-7.el6.centos.x86_64--> Processing Dependency: /usr/sbin/sendmail for package: cronie-1.4.4-16.el6_8.2.x86_64--> Running transaction check---> Package cronie.x86_64 0:1.4.4-16.el6_8.2 will be erased--> Processing Dependency: cronie = 1.4.4-16.el6_8.2 for package: cronie-anacron-1.4.4-16.el6_8.2.x86_64---> Package redhat-lsb-core.x86_64 0:4.0-7.el6.centos will be erased--> Processing Dependency: redhat-lsb-core(x86-64) = 4.0 for package: redhat-lsb-printing-4.0-7.el6.centos.x86_64--> Processing Dependency: redhat-lsb-core(x86-64) = 4.0-7.el6.centos for package: redhat-lsb-4.0-7.el6.centos.x86_64--> Processing Dependency: redhat-lsb-core(x86-64) = 4.0 for package: redhat-lsb-graphics-4.0-7.el6.centos.x86_64--> Running transaction check---> Package cronie-anacron.x86_64 0:1.4.4-16.el6_8.2 will be erased---> Package redhat-lsb.x86_64 0:4.0-7.el6.centos will be erased--> Processing Dependency: redhat-lsb(x86-64) = 4.0-7.el6.centos for package: redhat-lsb-compat-4.0-7.el6.centos.x86_64---> Package redhat-lsb-graphics.x86_64 0:4.0-7.el6.centos will be erased---> Package redhat-lsb-printing.x86_64 0:4.0-7.el6.centos will be erased--> Running transaction check---> Package redhat-lsb-compat.x86_64 0:4.0-7.el6.centos will be erased--> Processing Dependency: /etc/cron.d for package: crontabs-1.10-33.el6.noarch--> Processing Dependency: /etc/cron.d for package: sysstat-9.0.4-33.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 0:9.0.4-33.el6 will be erased--> Finished Dependency Resolution    Dependencies Resolved====================================================================   Package                Arch   Version                  Repository                                                                 Size====================================================================Removing:   MySQL-python           x86_64 1.2.3-0.3.c1.1.el6       @base 246 k   mysql-libs             x86_64 5.1.73-8.el6_8           @anaconda-CentOS-201703281317.x86_64/6.9  4.0 M  Removing for dependencies:   cloudera-manager-agent x86_64 5.11.1-1.cm5111.p0.9.el6 @/cloudera-manager-agent-5.11.1-1.cm5111.p0.9.el6.x86_64                                                               71 M   cronie                 x86_64 1.4.4-16.el6_8.2         @anaconda-CentOS-201703281317.x86_64/6.9  174 k   cronie-anacron         x86_64 1.4.4-16.el6_8.2         @anaconda-CentOS-201703281317.x86_64/6.9   43 k   crontabs               noarch 1.10-33.el6              @anaconda-CentOS-201703281317.x86_64/6.9  2.4 k   postfix                x86_64 2:2.6.6-8.el6            @anaconda-CentOS-201703281317.x86_64/6.9  9.7 M   redhat-lsb             x86_64 4.0-7.el6.centos         @anaconda-CentOS-201703281317.x86_64/6.9  0.0     redhat-lsb-compat      x86_64 4.0-7.el6.centos         @anaconda-CentOS-201703281317.x86_64/6.9  0.0     redhat-lsb-core        x86_64 4.0-7.el6.centos         @anaconda-CentOS-201703281317.x86_64/6.9   22 k   redhat-lsb-graphics    x86_64 4.0-7.el6.centos         @anaconda-CentOS-201703281317.x86_64/6.9  0.0     redhat-lsb-printing    x86_64 4.0-7.el6.centos         @anaconda-CentOS-201703281317.x86_64/6.9  0.0     sysstat                x86_64 9.0.4-33.el6             @anaconda-CentOS-201703281317.x86_64/6.9  826 k    Transaction Summary====================================================================Remove       13 Package(s)    Installed size: 86 M  Is this ok [y/N]: y  Downloading Packages:  Running rpm_check_debug  Running Transaction Test  Transaction Test Succeeded  Running Transaction  Warning: RPMDB altered outside of yum.    Erasing    : redhat-lsb-compat-4.0-7.el6.centos.x86_64       1/13     Erasing    : redhat-lsb-4.0-7.el6.centos.x86_64              2/13     Erasing    : cloudera-manager-agent-5.11.1-1.cm5111.p0.9.    3/13 warning: /etc/cloudera-scm-agent/config.ini saved as /etc/cloudera-scm-agent/config.ini.rpmsave    Erasing    : redhat-lsb-graphics-4.0-7.el6.centos.x86_64     4/13     Erasing    : redhat-lsb-printing-4.0-7.el6.centos.x86_64     5/13     Erasing    : redhat-lsb-core-4.0-7.el6.centos.x86_64         6/13 /var/tmp/rpm-tmp.jLbJUk: line 1: lsb_release: command not found    Erasing    : MySQL-python-1.2.3-0.3.c1.1.el6.x86_64          7/13     Erasing    : sysstat-9.0.4-33.el6.x86_64                     8/13     Erasing    : crontabs-1.10-33.el6.noarch                     9/13     Erasing    : cronie-anacron-1.4.4-16.el6_8.2.x86_64         10/13     Erasing    : cronie-1.4.4-16.el6_8.2.x86_64                 11/13     Erasing    : 2:postfix-2.6.6-8.el6.x86_64                   12/13     Erasing    : mysql-libs-5.1.73-8.el6_8.x86_64               13/13     Verifying  : redhat-lsb-printing-4.0-7.el6.centos.x86_64     1/13     Verifying  : cronie-anacron-1.4.4-16.el6_8.2.x86_64          2/13     Verifying  : cronie-1.4.4-16.el6_8.2.x86_64                  3/13     Verifying  : 2:postfix-2.6.6-8.el6.x86_64                    4/13     Verifying  : redhat-lsb-4.0-7.el6.centos.x86_64              5/13     Verifying  : redhat-lsb-core-4.0-7.el6.centos.x86_64         6/13     Verifying  : cloudera-manager-agent-5.11.1-1.cm5111.p0.9.    7/13     Verifying  : crontabs-1.10-33.el6.noarch                     8/13     Verifying  : redhat-lsb-compat-4.0-7.el6.centos.x86_64       9/13     Verifying  : MySQL-python-1.2.3-0.3.c1.1.el6.x86_64         10/13     Verifying  : redhat-lsb-graphics-4.0-7.el6.centos.x86_64    11/13     Verifying  : sysstat-9.0.4-33.el6.x86_64                    12/13     Verifying  : mysql-libs-5.1.73-8.el6_8.x86_64               13/13 Removed:    MySQL-python.x86_64 0:1.2.3-0.3.c1.1.el6                              mysql-libs.x86_64 0:5.1.73-8.el6_8                                    Dependency Removed:    cloudera-manager-agent.x86_64 0:5.11.1-1.cm5111.p0.9.el6              cronie.x86_64 0:1.4.4-16.el6_8.2                                      cronie-anacron.x86_64 0:1.4.4-16.el6_8.2                              crontabs.noarch 0:1.10-33.el6                                         postfix.x86_64 2:2.6.6-8.el6                                          redhat-lsb.x86_64 0:4.0-7.el6.centos                                  redhat-lsb-compat.x86_64 0:4.0-7.el6.centos                           redhat-lsb-core.x86_64 0:4.0-7.el6.centos                             redhat-lsb-graphics.x86_64 0:4.0-7.el6.centos                         redhat-lsb-printing.x86_64 0:4.0-7.el6.centos                         sysstat.x86_64 0:9.0.4-33.el6                                         Complete!

3、用whereis命令查找mysql相关的文件,因为步骤2用yum来卸载,所以mysql被清理得很干净;如果使用rpm将会很麻烦,有很多的文件需要手动清除

[root@cdh1 zjl]# whereis mysql  mysql:

4、查看系统中的mysql安装包

[root@cdh1 zjl]# yum list mysql*Loaded plugins: fastestmirror, refresh-packagekit, security  Loading mirror speeds from cached hostfile * base: mirrors.zju.edu.cn * extras: mirrors.aliyun.com * updates: mirrors.aliyun.com  Available Packages  MySQL-python.x86_64                                                                                        1.2.3-0.3.c1.1.el6                                                                                base  mysql.x86_64                                                                                               5.1.73-8.el6_8                                                                                    base  mysql-bench.x86_64                                                                                         5.1.73-8.el6_8                                                                                    base  mysql-connector-java.noarch                                                                                1:5.1.17-6.el6                                                                                    base  mysql-connector-odbc.x86_64                                                                                5.1.5r1144-7.el6                                                                                  base  mysql-devel.i686                                                                                           5.1.73-8.el6_8                                                                                    base  mysql-devel.x86_64                                                                                         5.1.73-8.el6_8                                                                                    base  mysql-embedded.i686                                                                                        5.1.73-8.el6_8                                                                                    base  mysql-embedded.x86_64                                                                                      5.1.73-8.el6_8                                                                                    base  mysql-embedded-devel.i686                                                                                  5.1.73-8.el6_8                                                                                    base  mysql-embedded-devel.x86_64                                                                                5.1.73-8.el6_8                                                                                    base  mysql-libs.i686                                                                                            5.1.73-8.el6_8                                                                                    base  mysql-libs.x86_64                                                                                          5.1.73-8.el6_8                                                                                    base  mysql-server.x86_64                                                                                        5.1.73-8.el6_8                                                                                    base  mysql-test.x86_64                                                                                          5.1.73-8.el6_8                                                                                    base

5、选择mysql-server来安装

[root@cdh1 zjl]#   mysql--***-->---> Package mysql-server.x86_64 :.---> Processing Dependency: mysql = .-.el6_8  package: mysql-server-.---> Processing Dependency: -DBI  package: mysql-server-.---> Processing Dependency: -DBD-MySQL  package: mysql-server-.---> Processing Dependency: (DBI)  package: mysql-server-.---> Processing Dependency: libmysqlclient_r.so.(libmysqlclient_16)(64bit)  package: mysql-server-.---> Processing Dependency: libmysqlclient.so.(libmysqlclient_16)(64bit)  package: mysql-server-.---> Processing Dependency: libmysqlclient_r.so.()(64bit)  package: mysql-server-.---> Processing Dependency: libmysqlclient.so.()(64bit)  package: mysql-server-.--->---> Package mysql.x86_64 :.----> Package mysql-libs.x86_64 :.----> Package -DBD-MySQL.x86_64 :----> Package -DBI.x86_64 :--->==================================================================================================================================================================================================================================================================================================================================================================================================================================-server                                           x86_64                                         .-.el6_8                                         base                                         .-.el6_8                                         base                                         -libs                                             x86_64                                         .-.el6_8                                         base                                         -DBD-MySQL                                         x86_64                                         -.el6                                            base                                         -DBI                                               x86_64                                         -.el6                                            base                                         =================================================================================================================================================================================================================/

6、选择y继续安装

Is this ok [y/N]: y  Downloading Packages:  (1/5): mysql-5.1.73-8.el6_8.x86_64.rpm                                                                                                                                                    | 895 kB     00:00     (2/5): mysql-libs-5.1.73-8.el6_8.x86_64.rpm                                                                                                                                               | 1.2 MB     00:00     (3/5): mysql-server-5.1.73-8.el6_8.x86_64.rpm                                                                                                                                             | 8.6 MB     00:02     (4/5): perl-DBD-MySQL-4.013-3.el6.x86_64.rpm                                                                                                                                              | 134 kB     00:00     (5/5): perl-DBI-1.609-4.el6.x86_64.rpm                                                                                                                                                    | 705 kB     00:00     -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Total                                                                                                                                                                            2.2 MB/s |  12 MB     00:05     Running rpm_check_debug  Running Transaction Test  Transaction Test Succeeded  Running Transaction    Installing : mysql-libs-5.1.73-8.el6_8.x86_64                                                                                                                                                              1/5     Installing : perl-DBI-1.609-4.el6.x86_64                                                                                                                                                                   2/5     Installing : perl-DBD-MySQL-4.013-3.el6.x86_64                                                                                                                                                             3/5     Installing : mysql-5.1.73-8.el6_8.x86_64                                                                                                                                                                   4/5     Installing : mysql-server-5.1.73-8.el6_8.x86_64                                                                                                                                                            5/5     Verifying  : perl-DBD-MySQL-4.013-3.el6.x86_64                                                                                                                                                             1/5     Verifying  : mysql-libs-5.1.73-8.el6_8.x86_64                                                                                                                                                              2/5     Verifying  : mysql-server-5.1.73-8.el6_8.x86_64                                                                                                                                                            3/5     Verifying  : mysql-5.1.73-8.el6_8.x86_64                                                                                                                                                                   4/5     Verifying  : perl-DBI-1.609-4.el6.x86_64                                                                                                                                                                   5/5 Installed:    mysql-server.x86_64 0:5.1.73-8.el6_8                                                                                                                                                                               Dependency Installed:    mysql.x86_64 0:5.1.73-8.el6_8                    mysql-libs.x86_64 0:5.1.73-8.el6_8                    perl-DBD-MySQL.x86_64 0:4.013-3.el6                    perl-DBI.x86_64 0:1.609-4.el6                       Complete!

7、启动mysql服务

[root@cdh1 zjl]# service mysqld start  Initializing MySQL database:  Installing MySQL system tables...  OK  Filling help tables...  OK    To start mysqld at boot time you have to copy  support-files/mysql.server to the right place for your system    PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !To do so, start the server, then issue the following commands:/usr/bin/mysqladmin -u root password 'new-password'/usr/bin/mysqladmin -u root -h cdh1.zjl.com password 'new-password'Alternatively you can run:/usr/bin/mysql_secure_installationwhich will also give you the option of removing the test  databases and anonymous user created by default.  This is  strongly recommended for production servers.    See the manual for more instructions.    You can start the MySQL daemon with:  cd /usr ; /usr/bin/mysqld_safe &You can test the MySQL daemon with mysql-test-run.pl  cd /usr/mysql-test ; perl mysql-test-run.pl    Please report any problems with the /usr/bin/mysqlbug script!   [  OK  ]  Starting mysqld:                                           [  OK  ]

8、连接一下试一下,直接mysql然后q关闭连接

[root@cdh1 zjl]# mysql  Welcome to the MySQL monitor.  Commands end with ; or g.  Your MySQL connection id is 2Server version: 5.1.73 Source distribution    Copyright (c) 2000, 2013, 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> q  Bye

9、设置mysql开机启动

[root@cdh1 zjl]# chkconfig mysqld on

10、开启3306端口,并保存

[root@cdh1 zjl]# /sbin/iptables -I INPUT -p tcp --dport 3306 -j ACCEPT  [root@cdh1 zjl]# /etc/rc.d/init.d/iptables save

11、连接mysql设置密码

[root@cdh1 zjl]# mysql  Welcome to the MySQL monitor.  Commands end with ; or g.  Your MySQL connection id is 3Server version: 5.1.73 Source distribution    Copyright (c) 2000, 2013, 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> 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('123') where user='root';  Query OK, 3 rows affected (0.02 sec)  Rows matched: 3  Changed: 3  Warnings: 0mysql> flush privileges;  Query OK, 0 rows affected (0.02 sec)    mysql> q  Bye

12、重启mysql服务

[root@cdh1 zjl]# service mysqld restart  Stopping mysqld:                                           [  OK  ]  Starting mysqld:                                           [  OK  ]

 

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