Centos 6.9 detailed tutorial on installing mysql, centosmysql

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Centos 6.9 detailed tutorial on installing mysql, centosmysql

1. Check whether mysql is installed. See the following code.

[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

2. Uninstall installed mysql. We recommend that you use the yum command because the yum command can automatically delete mysql-related dependencies. If you use the rpm command, you also need to manually delete mysql-related files.

[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!

3. Run the whereis command to find mysql-related files. Because step 2 is uninstalled using yum, mysql is cleaned up. If rpm is used, it will be very troublesome, many files need to be manually cleared.

[root@cdh1 zjl]# whereis mysqlmysql:

4. view the mysql installation package in the system

[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

5. select mysql-server for installation.

[Root @ cdh1 zjl] # yum install mysql-serverLoaded plugins: fastestmirror, refresh-packagekit, securitySetting up Install ProcessLoading mirror speeds from cached hostfile * base: Role * extras: Role * 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: my SQL = 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 transactio N check ---> Package mysql. x86_64 0: 5. 1.73-8. el6_8 will be installed ---> Package mysql-libs.x86_64. 1.73-8. el6_8 will be installed ---> Package perl-DBD-MySQL.x86_64. 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. Choose y to continue to install Is this OK [y/N]: yDownloading Packages :( 1/5 ): mysql-5.1.73-8.el6_8.x86_64.rpm | 895 kB (2/5): mysql-libs-5.1.73-8.el6_8.x86_64.rpm | 1.2 MB (3/5): mysql-server-5.1.73-8.el6_8.x86_64.rpm | 8.6 MB (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 too large Total 2.2 MB/s | 12 MB 00:05 Running rpm_check_debugRunning Transaction TestTransaction Test SucceededRunning Transaction In Stalling: 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. 609-4.el6 Complete!

7. Start the mysql Service

[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 ]

8. Try connecting to mysql and close the connection by \ q.

[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

9. Set mysql startup

[root@cdh1 zjl]# chkconfig mysqld on

10. enable port 3306 and save

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

11. Connect to mysql and set the password

[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

12. Restart the mysql service.

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

The above is a detailed tutorial on installing mysql in centos 6.9. I hope it will be helpful to you. If you have any questions, please leave a message and I will reply to you in a timely manner. Thank you very much for your support for the help House website!

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