Linux 7.x.安装 MySQL
环境：
linux是安装在虚拟机中的，宿主机是：win10系统。安装MySQL的时候，首先需要网络是通的（宿主机和虚拟机之间通信）。相关配置，参见：虚拟机和宿主机通信
安装：
查看Linux版本号：
cat /etc/redhat-release
Linux版本号，如果是6.x ,参见：《Linux 6.x 安装MySQL》
执行指令：yum install -y mysql mysql-server mysql-devel
Linux版本号，如果是7.x
执行指令：yum groups install -y mariadb mariadb-client
（yum groups install -y mariadb mariadb-server）
执行上述命令，如果出现yum源问题，如下所示，需要进行配置yum源。参见：《Linux配置yum源》
yum源配置完成后，在此执行指令：yum groups install -y mariadb mariadb-client ，日志信息如下：
1 [root@localhost yum.repos.d]# yum groups install mariadb mariadb-client -y 2 Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager 3 This system is not registered with an entitlement server. You can use subscription-manager to register. 4 There is no installed groups file. 5 Maybe run: yum groups mark convert (see man yum) 6 Resolving Dependencies 7 --> Running transaction check 8 ---> Package MySQL-python.x86_64 0:1.2.5-1.el7 will be installed 9 ---> Package mariadb.x86_64 1:5.5.56-2.el7 will be installed 10 ---> Package mariadb-server.x86_64 1:5.5.56-2.el7 will be installed 11 --> Processing Dependency: perl-DBD-MySQL for package: 1:mariadb-server-5.5.56-2.el7.x86_64 12 ---> Package mysql-connector-odbc.x86_64 0:5.2.5-6.el7 will be installed 13 --> Processing Dependency: libodbc.so.2()(64bit) for package: mysql-connector-odbc-5.2.5-6.el7.x86_64 14 --> Processing Dependency: libodbcinst.so.2()(64bit) for package: mysql-connector-odbc-5.2.5-6.el7.x86_64 15 --> Running transaction check 16 ---> Package perl-DBD-MySQL.x86_64 0:4.023-5.el7 will be installed 17 ---> Package unixODBC.x86_64 0:2.3.1-11.el7 will be installed 18 --> Finished Dependency Resolution 19 20 Dependencies Resolved 21 22 ================================================================================================================================== 23 Package Arch Version Repository Size 24 ================================================================================================================================== 25 Installing for group install "MariaDB Database Client": 26 MySQL-python x86_64 1.2.5-1.el7 base 90 k 27 mariadb x86_64 1:5.5.56-2.el7 base 9.1 M 28 mysql-connector-odbc x86_64 5.2.5-6.el7 base 146 k 29 Installing for group install "MariaDB Database Server": 30 mariadb-server x86_64 1:5.5.56-2.el7 base 11 M 31 Installing for dependencies: 32 perl-DBD-MySQL x86_64 4.023-5.el7 base 140 k 33 unixODBC x86_64 2.3.1-11.el7 base 413 k 34 35 Transaction Summary 36 ================================================================================================================================== 37 Install 4 Packages (+2 Dependent packages) 38 39 Total download size: 21 M 40 Installed size: 109 M 41 Downloading packages: 42 ---------------------------------------------------------------------------------------------------------------------------------- 43 Total 45 MB/s | 21 MB 00:00:00 44 Running transaction check 45 Running transaction test 46 Transaction test succeeded 47 Running transaction 48 Installing : 1:mariadb-5.5.56-2.el7.x86_64 1/6 49 Installing : perl-DBD-MySQL-4.023-5.el7.x86_64 2/6 50 Installing : unixODBC-2.3.1-11.el7.x86_64 3/6 51 Installing : mysql-connector-odbc-5.2.5-6.el7.x86_64 4/6 52 Installing : 1:mariadb-server-5.5.56-2.el7.x86_64 5/6 53 Installing : MySQL-python-1.2.5-1.el7.x86_64 6/6 54 Verifying : mysql-connector-odbc-5.2.5-6.el7.x86_64 1/6 55 Verifying : unixODBC-2.3.1-11.el7.x86_64 2/6 56 Verifying : MySQL-python-1.2.5-1.el7.x86_64 3/6 57 Verifying : 1:mariadb-server-5.5.56-2.el7.x86_64 4/6 58 Verifying : perl-DBD-MySQL-4.023-5.el7.x86_64 5/6 59 Verifying : 1:mariadb-5.5.56-2.el7.x86_64 6/6 60 61 Installed: 62 MySQL-python.x86_64 0:1.2.5-1.el7 mariadb.x86_64 1:5.5.56-2.el7 mariadb-server.x86_64 1:5.5.56-2.el7 63 mysql-connector-odbc.x86_64 0:5.2.5-6.el7 64 65 Dependency Installed: 66 perl-DBD-MySQL.x86_64 0:4.023-5.el7 unixODBC.x86_64 0:2.3.1-11.el7 67 68 Complete! 69 [root@localhost yum.repos.d]#
看到 Complete ，说明安装成功。
如有问题，欢迎纠正！！！
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