centos使用yum安装mysql

王朝学院·作者佚名  2016-08-27
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参考:http://dev.MySQL.com/doc/mysql-yum-repo-quick-guide/en/

1.增加yum数据源

(1.1)从http://dev.mysql.com/downloads/repo/yum/ 获取合适的数据源

(1.2)安装数据源包

shell>sudorpm -Uvh platform-and-version-specific-package-name.rpm

eg:安装 Red Hat EnterPRiselinux7 /OracleLinux 7 (Architecture Independent), RPM Package

shell>wgethttp://repo.mysql.com/mysql57-community-release-el7-7.noarch.rpmshell>sudorpm-Uvh mysql57-community-release-el7-7.noarch.rpm

2.选择合适的安装版本

(2.1)查看mysql数据源中存在的包

shell>sudoyumrepolist all |grepmysql

(2.2)编辑 /etc/yum.repos.d/mysql-community.repo,启用相应的mysql版本

# Enable to use MySQL5.6[mysql56-community]

name=MySQL5.6Community Server

baseurl=http://repo.mysql.com/yum/mysql-5.6-community/el/7/$basearch/enabled=0gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql[mysql57-community]

name=MySQL5.7Community Server

baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/7/$basearch/enabled=1gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

ps: "enabled=1" 启用,"enabled=0" 禁用,上述配置则是安装"mysql 5.7",禁用"mysql 5.6"

(2.3)查看mysql启用列表

shell >sudoyumrepolist enabled |grepmysql

mysql-connectors-community/x86_64 MySQL Connectors Community17mysql-tools-community/x86_64 MySQL Tools Community27mysql57-community/x86_64 MySQL5.7Community Server20

3.安装mysql

shell>sudoyuminstallmysql-community-server

注意:在使用yum 安装 mysql 5.7过程中,会随机生成一个临时的root密码保存到错误日志("/var/log/mysqld.log"),可以使用如下命令进行查看:

shell >sudogrep'temporary passWord'/var/log/mysqld.log

因此安装mysql 5.7后,需要尽快修改密码。

4.启动mysql服务器

shell>yum--disablerepo=\* --enablerepo='mysql*-community*'list available

(4.1)启动命令

shell>sudoservice mysqld start

(4.2)查看mysql状态

shell>sudoservice mysqld status

5.mysql_secure_installation

使用mysql_secure_installation设置root密码,删除匿名用户等重要操作

shell> mysql_secure_installation

ps: 更多操作参考

http://dev.mysql.com/doc/refman/5.7/en/mysql-secure-installation.html

http://dev.mysql.com/doc/refman/5.7/en/default-privileges.html

6.安装mysql额外工具

(6.1)查看可用包名

shell> mysql_secure_installation

(6.2)安装包

shell>sudoyuminstall包名

如:安装 mysql-workbench-community

shell>sudoyuminstallmysql-workbench-community

7.升级mysql

(7.1)编辑 /etc/yum.repos.d/mysql-community.repo

(7.2)执行update

shell>sudoyumupdate mysql-server

或者使用下述命令更新所有包

shell>sudoyumupdate

8. centos7默认使用mariadb数据库代替mysql,先将mariadb相关包卸载

(8.1)查询 maridb 包命令

shell>sudorpm -qa |grep-i mariadb

(8.2)删除

shell>sudorpm -e 相关包名

 
 
 
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