centos 6.9安装mysql的详细教程

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, securityLoading mirror speeds from cached hostfile * base: mirrors.zju.edu.cn * extras: mirrors.aliyun.com * updates: mirrors.aliyun.comInstalled PackagesMySQL-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

[root@cdh1 zjl]# yum remove MySQL-python.x86_64 mysql-libs.x86_64Loaded plugins: fastestmirror, refresh-packagekit, securitySetting up Remove ProcessResolving 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 ResolutionDependencies 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 MRemoving 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 kTransaction Summary====================================================================Remove  13 Package(s)Installed size: 86 MIs this ok [y/N]: yDownloading Packages:Running rpm_check_debugRunning Transaction TestTransaction Test SucceededRunning TransactionWarning: 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!

[root@cdh1 zjl]# whereis mysqlmysql:

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

[root@cdh1 zjl]# yum install mysql-serverLoaded plugins: fastestmirror, refresh-packagekit, securitySetting up Install ProcessLoading mirror speeds from cached hostfile * base: mirrors.zju.edu.cn * extras: mirrors.aliyun.com * updates: mirrors.aliyun.comResolving Dependencies--> Running transaction check---> Package mysql-server.x86_64 0:5.1.73-8.el6_8 will be installed--> Processing Dependency: mysql = 5.1.73-8.el6_8 for package: mysql-server-5.1.73-8.el6_8.x86_64--> Processing Dependency: perl-DBI for package: mysql-server-5.1.73-8.el6_8.x86_64--> Processing Dependency: perl-DBD-MySQL for package: mysql-server-5.1.73-8.el6_8.x86_64--> Processing Dependency: perl(DBI) for package: mysql-server-5.1.73-8.el6_8.x86_64--> Processing Dependency: libmysqlclient_r.so.16(libmysqlclient_16)(64bit) for package: mysql-server-5.1.73-8.el6_8.x86_64--> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16)(64bit) for package: mysql-server-5.1.73-8.el6_8.x86_64--> Processing Dependency: libmysqlclient_r.so.16()(64bit) for package: mysql-server-5.1.73-8.el6_8.x86_64--> Processing Dependency: libmysqlclient.so.16()(64bit) for package: mysql-server-5.1.73-8.el6_8.x86_64--> Running transaction check---> Package mysql.x86_64 0:5.1.73-8.el6_8 will be installed---> Package mysql-libs.x86_64 0:5.1.73-8.el6_8 will be installed---> Package perl-DBD-MySQL.x86_64 0:4.013-3.el6 will be installed---> Package perl-DBI.x86_64 0:1.609-4.el6 will be installed--> Finished Dependency ResolutionDependencies Resolved================================================================================================================================================================================================================= Package            Arch           Version            Repository         Size=================================================================================================================================================================================================================Installing: mysql-server           x86_64           5.1.73-8.el6_8           base           8.6 MInstalling for dependencies: mysql             x86_64           5.1.73-8.el6_8           base           895 k mysql-libs            x86_64           5.1.73-8.el6_8           base           1.2 M perl-DBD-MySQL           x86_64           4.013-3.el6           base           134 k perl-DBI            x86_64           1.609-4.el6           base           705 kTransaction Summary=================================================================================================================================================================================================================Install  5 Package(s)Total download size: 12 MInstalled size: 33 MIs this ok [y/N]:6、选择y继续安装Is this ok [y/N]: yDownloading 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_debugRunning Transaction TestTransaction Test SucceededRunning 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!

[root@cdh1 zjl]# service mysqld startInitializing MySQL database: Installing MySQL system tables...OKFilling help tables...OKTo start mysqld at boot time you have to copysupport-files/mysql.server to the right place for your systemPLEASE 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 testdatabases and anonymous user created by default. This isstrongly 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.plcd /usr/mysql-test ; perl mysql-test-run.plPlease report any problems with the /usr/bin/mysqlbug script!               [ OK ]Starting mysqld:           [ OK ]

[root@cdh1 zjl]# mysqlWelcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 2Server version: 5.1.73 Source distributionCopyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> \qBye

[root@cdh1 zjl]# chkconfig mysqld on

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

[root@cdh1 zjl]# mysqlWelcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 3Server version: 5.1.73 Source distributionCopyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.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 namesYou can turn off this feature to get a quicker startup with -ADatabase changedmysql> 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> \qBye

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

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