怎么yum更新mysql mysql更新
如何使用MySQL yum源来安装更新MySQL相关软件包
MySQL yum库支持的平台有:
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Red Hat Enterprise Linux 7 / Oracle Linux 7
Red Hat Enterprise Linux 6 / Oracle Linux 6
Red Hat Enterprise Linux 5 / Oracle Linux 5
Fedora 18, 19, and 20
MySQL yum库包括最新的软件包有:
MySQL 5.6 (GA)
MySQL 5.7 (Development Release)
MySQL 5.5 (GA - Red Hat Enterprise Linux and Oracle Linux Only)
MySQL Workbench
MySQL Fabric
MySQL Utilities
MySQL Connector / ODBC
MySQL Connector / Python
RHEL7/CentOS7/Oracle linux7:
# rpm -Uvh dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm
1
# rpm -Uvh dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm
RHEL6/CentOS6/Oracle linux6:
# rpm -Uvh dev.mysql.com/get/mysql-community-release-el6-5.noarch.rpm
1
# rpm -Uvh dev.mysql.com/get/mysql-community-release-el6-5.noarch.rpm
RHEL5/CentOS5/Oracle linux5:
# rpm -Uvh dev.mysql.com/get/mysql-community-release-el5-5.noarch.rpm
1
# rpm -Uvh dev.mysql.com/get/mysql-community-release-el5-5.noarch.rpm
Fedora
# Fedora20
# rpm -Uvh dev.mysql.com/get/mysql-community-release-fc20-5.noarch.rpm
#Fedora19
# rpm -Uvh dev.mysql.com/get/mysql-community-release-fc19-5.noarch.rpm
# Fedora18
# rpm -Uvh dev.mysql.com/get/mysql-community-release-fc18-5.noarch.rpm
# Fedora20
# rpm -Uvh dev.mysql.com/get/mysql-community-release-fc20-5.noarch.rpm
#Fedora19
# rpm -Uvh dev.mysql.com/get/mysql-community-release-fc19-5.noarch.rpm
# Fedora18
# rpm -Uvh dev.mysql.com/get/mysql-community-release-fc18-5.noarch.rpm
如何从MySQL官方Yum仓库安装MySQL5.6
下载完成后将Yum库导入到你的本地:
sudo yum localinstallmysql-community-release-el6-*.noarch.rpm
这个Yum库包含了MySQLServer,MySQL工作台管理工具以及ODBC驱动,现在可以通过下面的命令简单地安装MySQLServer:
sudo yum install mysql-community-server
至此我就可以使用Yum简单地管理MySQL更新,并能确保总是从官网软件库得到最新的发布版。
附录:
1、root password update failed
ERROR 1290 (HY000): The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement.
解决办法:
[**@localhost ~]# mysql
mysql set global read_only=0;
Query OK, 0 rows affected (0.00 sec)
mysql flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql quit
[**@localhost ~]# /usr/bin/mysql_secure_installation
如此便可以重新更新root密码了!
2、[ERROR] InnoDB: Cannot create log files because data files are corrupt or the database was not shut down cleanly after creating the data files.
解决办法:进入你的mysql数据存放目录,删除ibdata1文件即可,例如在我的环境下
#cd /var/lib/mysql
#mv ibdata1 ibdata1.bak
3、[ERROR] InnoDB: space header page consists of zero bytes in data file ./ibdata1
解决办法:修改配置文件my.cnf
根据个人环境空间大小和需求调节如下参数的值
innodb_buffer_pool_size = 256M
innodb_log_file_size = 256M
innodb_thread_concurrency = 16
innodb_flush_log_at_trx_commit = 2
添加一条:
innodb_flush_method=normal
4、ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
解决办法:Google上有很多,我遇到这个情况的时候只是使用/usr/bin/mysql_secure_installation 重新设置一次。
怎么样使用yum来安装mysql
1、安装
查看有没有安装过:
yum list installed mysql*
rpm -qa | grep mysql*
查看有没有安装包:
yum list mysql*
安装mysql客户端:
yum install mysql
安装mysql 服务器端:
yum install mysql-server
yum install mysql-devel
2、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:
chkconfig -add mysqld,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:
service mysqld stop
3、登录
创建root管理员:
mysqladmin -u root password 123456
登录:
mysql -u root -p输入密码即可。
忘记密码:
service mysqld stop
mysqld_safe --user=root --skip-grant-tables
mysql -u root
use mysql
update user set password=password("new_pass") where user="root";
flush privileges;
4、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”。
5、Linux MySQL的几个重要目录
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)
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标题名称:怎么yum更新mysql mysql更新
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