http://blog.csdn.net/wb96a1007/article/details/51559741 查看mysql连接数 netstat -an | grep 8080|wc -l 导出 ./mysqldump -uroot -proot db_yy_recover > ./db_yy_recover.sql 复制 scp ./db_account.sql [email protected]:/var/lib/mysql 恢复 mysql -uroot -proot; mysql -u root -p db_account < db_account.sql 创建数据库 create database db_yy_recover charset utf8; 更新数据库字符集 alter database db_message charset utf8mb4; 安装MySQL 5.7.9(安装用户root, 目标目录/opt/mysql) 1 查看安装 rpm -qa | grep mysql 2 移除安装 rpm -e mysql-libs-5.1.73-7.el6.x86_64 --nodeps 3 安装 bin/mysql_install_db --user=mysql --basedir=/opt/mysql/ --datadir=/opt/mysql/data/ 4 复制配置文件 [root@localhost mysql]# cp -a ./support-files/my-default.cnf /etc/my.cnf [root@localhost mysql]# cp -a ./support-files/mysql.server /etc/init.d/mysqld 5 修改配置文件 如果改变默认安装路径,则需要 1)/etc/my.cnf、/etc/init.d/mysqld中修改 basedir='/apps/mysql' datadir='/apps/mysql/data' 2)创建ln mkdir -p /usr/local/mysql/bin ln -s /apps/mysql/bin/mysqld /usr/local/mysql/bin/mysqld 6 启动 cd /opt/mysql/bin ./mysqld_safe --user=mysql & /etc/init.d/mysqld restart 设置开机启动 chkconfig --level 35 mysqld on 查看初始密码 cat /root/.mysql_secret # Password set for user 'root@localhost' at 2016-12-28 09:31:17 ;c2Yhshz6l7> 重置密码 ./mysql -uroot -p mysql>SET PASSWORD = PASSWORD('123456'); mysql>flush privileges; mysql>use mysql; mysql>update user set host = '%' where user = 'root'; mysql>select host, user from user; mysql>flush privileges; mysql>quit; 重启MySQL /etc/init.d/mysqld restart
Linux安装MySQL
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转载自jis117.iteye.com/blog/2347772
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