Linux下yum安装MySQL yum安装MySQL指定版本
2017-01-05 00:00
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yum安装MySQL
1. 查看有没有安装过yum list installed MySQL* (有存在要卸载yum remove MySQL*)
rpm -qa | grep mysql*
查看有没有安装包:
yum list mysql*
2. 安装mysql客户端
yum -y install mysql
安装mysql 服务器端
yum -y install mysql-server mysql-devel
3. 启动&&停止 数据库字符集设置
mysql配置文件/etc/my.cnf中加入default-character-set=utf8
启动mysql服务: service mysqld start或者/etc/init.d/mysqld start
开机启动:
添加开机启动:chkconfig --add mysqld;
开机启动:chkconfig mysqld on;
查看开机启动设置是否成功chkconfig --list | grep mysql* mysqld 0:关闭 1:关闭 2:启用 3:启用 4:启用 5:启用 6:关闭停止:
停止
service mysqld stop
4. 登陆等权限设置
登录mysql数据库:mysq -u root password 123456
首次使用创建root管理员和密码
(mysql -u root -p输入密码即可?)
mysql -u root;
use mysql ;
update user set password=password("123456") where user="root";
flush privileges;
忘记密码
service mysqld stop;
mysqld_safe --user=root --skip-grant-tables;
这一步骤执行的时候不会出现新的命令行,你需要重新打开一个窗口执行下面的命令
mysql -u root;
use mysql ;
update user set password=password("123456") where user="root";
flush privileges;
如果需要外网可以访问需要再做如下设置
授权用户可以从远程登陆
grant all PRIVILEGES on *.* to root@'%' identified by '123456';
flush privileges ;
5. 远程访问 开放防火墙的端口号mysql
增加权限:mysql库中的user表新增一条记录Host为“%”,User为“root”。
一般开发测试直接把防火墙关闭
1 2 3 4 5 6 | su root service iptablesstop #关闭防火墙 service iptablesstatus #验证是否关闭 chkconfig iptablesoff #关闭防火墙的开机自动运行 chkconfig –list | grep iptables #验证防火墙的开机自动运行 vim /etc/sysconfig/selinux # 禁用selinux,将SELINUX=disabled |
数据库目录 /var/lib/mysql/
配置文件 /usr/share /mysql(mysql.server命令及配置文件)
相关命令 /usr/bin(mysqladmin mysqldump等命令)
启动脚本 /etc/rc.d/init.d/(启动脚本文件mysql的目录)
7. 删除 mysql 数据库
如果使用的是 yum 安装的 mysql,需要删除的话,就使用如下命令:
yum -y remove mysql*
然后将 /var/lib/mysql文件夹下的所有文件都删除干净
最后再重新执行上面的安装步骤。
yum安装MySQL指定版本
默认yum只能安装mysql 5.1,我们可以自己配置通过yum安装5.6或者其他版本。1. 查看系统里面有没有mysql 的repo(可以参考上面第一步卸载)
yum repolist all | grep mysql
2. 如果没有发现,则需要配置repo
只能有一个是 enabled=1的,其他的都得enabled=0。
vim/etc/yum.repos.d/mysql-community.repo
输入如下内容
[mysql-connectors-community] name=MySQL Connectors Community baseurl=http://repo.mysql.com/yum/mysql-connectors-community/el/6/$basearch/ enabled=1 gpgcheck=1 gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql [mysql-tools-community] name=MySQL Tools Community baseurl=http://repo.mysql.com/yum/mysql-tools-community/el/6/$basearch/ enabled=1 gpgcheck=1 gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql # Enable to use MySQL 5.5 [mysql55-community] name=MySQL 5.5 Community Server baseurl=http://repo.mysql.com/yum/mysql-5.5-community/el/6/$basearch/ enabled=0 gpgcheck=1 gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql # Enable to use MySQL 5.6 [mysql56-community] name=MySQL 5.6 Community Server baseurl=http://repo.mysql.com/yum/mysql-5.6-community/el/6/$basearch/ enabled=1 gpgcheck=1 gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql # Note: MySQL 5.7 is currently in development. For use at your own risk. # Please read with sub pages: https://dev.mysql.com/doc/relnotes/mysql/5.7/en/ [mysql57-community-dmr] name=MySQL 5.7 Community Server Development Milestone Release baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/6/$basearch/ enabled=0 gpgcheck=1 gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
3. 再看看是否存在mysql的repo
yum repolist enabled | grep mysql
可以看到已经有了
4. 签名
vim/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
写入如下内容
-----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.4.9 (SunOS) mQGiBD4+owwRBAC14GIfUfCyEDSIePvEW3SAFUdJBtoQHH/nJKZyQT7h9bPlUWC3 RODjQReyCITRrdwyrKUGku2FmeVGwn2u2WmDMNABLnpprWPkBdCk96+OmSLN9brZ fw2vOUgCmYv2hW0hyDHuvYlQA/BThQoADgj8AW6/0Lo7V1W9/8VuHP0gQwCgvzV3 BqOxRznNCRCRxAuAuVztHRcEAJooQK1+iSiunZMYD1WufeXfshc57S/+yeJkegNW hxwR9pRWVArNYJdDRT+rf2RUe3vpquKNQU/hnEIUHJRQqYHo8gTxvxXNQc7fJYLV K2HtkrPbP72vwsEKMYhhr0eKCbtLGfls9krjJ6sBgACyP/Vb7hiPwxh6rDZ7ITnE kYpXBACmWpP8NJTkamEnPCia2ZoOHODANwpUkP43I7jsDmgtobZX9qnrAXw+uNDI QJEXM6FSbi0LLtZciNlYsafwAPEOMDKpMqAK6IyisNtPvaLd8lH0bPAnWqcyefep rv0sxxqUEMcM3o7wwgfN83POkDasDbs3pjwPhxvhz6//62zQJ7Q2TXlTUUwgUmVs ZWFzZSBFbmdpbmVlcmluZyA8bXlzcWwtYnVpbGRAb3NzLm9yYWNsZS5jb20+iGkE ExECACkCGyMGCwkIBwMCBBUCCAMEFgIDAQIeAQIXgAIZAQUCUwHUZgUJGmbLywAK CRCMcY07UHLh9V+DAKCjS1gGwgVI/eut+5L+l2v3ybl+ZgCcD7ZoA341HtoroV3U 6xRD09fUgeq0O015U1FMIFBhY2thZ2Ugc2lnbmluZyBrZXkgKHd3dy5teXNxbC5j b20pIDxidWlsZEBteXNxbC5jb20+iG8EMBECAC8FAk53Pa0oHSBidWlsZEBteXNx 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jHGNO1By4fUUmwCbBYr2+bBEn/L2BOcnw9Z/QFWuhRMAoKVgCFm5fadQ3Afi+UQl AcOphrnJ =443I -----END PGP PUBLIC KEY BLOCK-----
5. 安装
yum install mysql-community-server
6. 启动
service mysqld start
其他操作可以参考上面第一节的介绍。
参考
A Quick Guide to Using the MySQL Yum Repository
Installing MySQL on Linux Using the MySQL Yum Repository
2.1.3.2 Signature Checking Using GnuPG
centos 6.5 yum安装 mysql 5.6
4. 登陆等权限设置
登录mysql数据库:mysq -u root password 123456
首次使用创建root管理员和密码
(mysql -u root -p输入密码即可?)
mysql -u root;
use mysql ;
update user set password=password("123456") where user="root";
flush privileges;
忘记密码
service mysqld stop;
mysqld_safe --user=root --skip-grant-tables;
这一步骤执行的时候不会出现新的命令行,你需要重新打开一个窗口执行下面的命令
mysql -u root;
use mysql ;
update user set password=password("123456") where user="root";
flush privileges;
如果需要外网可以访问需要再做如下设置
授权用户可以从远程登陆
grant all PRIVILEGES on *.* to root@'%' identified by '123456';
flush privileges ;
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