RedHat7.2上通过RPM包安装MySQL5.7.20的详细步骤-创新互联
下面讲讲关于RedHat 7.2上通过RPM包安装MySQL 5.7.20的详细步骤，文字的奥妙在于贴近主题相关。所以，闲话就不谈了，我们直接看下文吧，相信看完RedHat 7.2上通过RPM包安装MySQL 5.7.20的详细步骤这篇文章你一定会有所受益。
一、安装环境
1、操作系统版本：Red Hat Enterprise Linux Server release 7.2 (Maipo)
2、Mysql版本：mysql-5.7.20-1.el7.x86_64.rpm-bundle.tar
二、安装说明
1、官网上关于mysql 5.7的各个rpm包的说明如下：
2、官网上关于mysql5.7用rpm包安装的各个路径说明如下：
3、官网上关于标准安装需要安装哪些rpm包的说明如下：
4、官网上关于安装后初始化的说明：使用rpm包安装后会在第一次启动服务时自动完成初始化，无需再手动执行初始化操作
三、安装过程
1、解压mysql-5.7.20-1.el7.x86_64.rpm-bundle.tar
2、卸载掉系统中的mariadb-libs
3、按照下图顺序依次安装各个rpm包，各个rpm包之间有依赖关系，最后安装mysql-community-server-5.7.20-1.el7.x86_64.rpm时报缺少相关依赖包，使用yum装上，再安装就没问题了
4、查看mysql的相关目录，是空的
5、安装完后mysql服务已经enable，但是没有启动，启动它
6、启动mysql服务后，日志如下：其中记录了随机生成的初始root密码“A temporary password is generated for root@localhost: urq2&OKwZd,t”
2018-04-18T10:31:46.894089Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2018-04-18T10:31:50.089964Z 0 [Warning] InnoDB: New log files created, LSN=45790 2018-04-18T10:31:50.319434Z 0 [Warning] InnoDB: Creating foreign key constraint system tables. 2018-04-18T10:31:50.380647Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: b44683a6-42f3-11e8-8b54-000c29ffe62f. 2018-04-18T10:31:50.382406Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened. 2018-04-18T10:31:50.383390Z 1 [Note] A temporary password is generated for root@localhost: urq2&OKwZd,t 2018-04-18T10:31:54.678495Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2018-04-18T10:31:54.679697Z 0 [Note] /usr/sbin/mysqld (mysqld 5.7.20) starting as process 2954 ... 2018-04-18T10:31:54.685450Z 0 [Note] InnoDB: PUNCH HOLE support available 2018-04-18T10:31:54.685476Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 2018-04-18T10:31:54.685479Z 0 [Note] InnoDB: Uses event mutexes 2018-04-18T10:31:54.685481Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier 2018-04-18T10:31:54.685483Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.3 2018-04-18T10:31:54.685486Z 0 [Note] InnoDB: Using Linux native AIO 2018-04-18T10:31:54.685708Z 0 [Note] InnoDB: Number of pools: 1 2018-04-18T10:31:54.685812Z 0 [Note] InnoDB: Using CPU crc32 instructions 2018-04-18T10:31:54.739376Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M 2018-04-18T10:31:54.753795Z 0 [Note] InnoDB: Completed initialization of buffer pool 2018-04-18T10:31:54.758522Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority(). 2018-04-18T10:31:54.772576Z 0 [Note] InnoDB: Highest supported file format is Barracuda. 2018-04-18T10:31:54.793537Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables 2018-04-18T10:31:54.793646Z 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ... 2018-04-18T10:31:54.952587Z 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB. 2018-04-18T10:31:54.955544Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active. 2018-04-18T10:31:54.955610Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active. 2018-04-18T10:31:54.957052Z 0 [Note] InnoDB: Waiting for purge to start 2018-04-18T10:31:55.007837Z 0 [Note] InnoDB: 5.7.20 started; log sequence number 2565523 2018-04-18T10:31:55.009136Z 0 [Note] Plugin 'FEDERATED' is disabled. 2018-04-18T10:31:55.018932Z 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool 2018-04-18T10:31:55.027051Z 0 [Note] InnoDB: Buffer pool(s) load completed at 180418 18:31:55 2018-04-18T10:31:55.036775Z 0 [Note] Found ca.pem, server-cert.pem and server-key.pem in data directory. Trying to enable SSL support using them. 2018-04-18T10:31:55.037779Z 0 [Warning] CA certificate ca.pem is self signed. 2018-04-18T10:31:55.092734Z 0 [Note] Server hostname (bind-address): '*'; port: 3306 2018-04-18T10:31:55.092981Z 0 [Note] IPv6 is available. 2018-04-18T10:31:55.093007Z 0 [Note] - '::' resolves to '::'; 2018-04-18T10:31:55.093031Z 0 [Note] Server socket created on IP: '::'. 2018-04-18T10:31:55.107483Z 0 [Note] Event Scheduler: Loaded 0 events 2018-04-18T10:31:55.108147Z 0 [Note] /usr/sbin/mysqld: ready for connections. Version: '5.7.20' socket: '/var/lib/mysql/mysql.sock' port: 3306 MySQL Community Server (GPL) 2018-04-18T10:31:55.108170Z 0 [Note] Executing 'SELECT * FROM INFORMATION_SCHEMA.TABLES;' to get a list of tables using the deprecated partition engine. You may use the startup option '--disable-partition-engine-check' to skip this check. 2018-04-18T10:31:55.108186Z 0 [Note] Beginning of list of non-natively partitioned tables 2018-04-18T10:31:55.124516Z 0 [Note] End of list of non-natively partitioned tables
7、此时再查看mysql的目录，相关文件已经自动生成
8、使用日志中记录的初始密码登录，并修改root密码
9、使用新密码成功登录，安装完毕
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