一、mysql版本:
5.7.16
二、依赖包:
mysql-5.7.16-linux-glibc2.5-x86_64.tar.gz
libaio-0.3.107-10.el6.x86_64.rpm
三、安装步骤
3.1安装libaio
将libaio-0.3.107-10.el6.x86_64.rpm文件存放任意目录下执行命令:
rpm -ivh libaio-0.3.107-10.el6.x86_64.rpm
提示success则说明成功。
3.2安装mysql
groupadd mysql useradd -r -g mysql -s /bin/false mysql cd /usr/local tar zxvf /path/to/mysql-VERSION-OS.tar.gz mv full-path-to-mysql-VERSION-OS mysql cd mysql chown -R mysql . chgrp -R mysql . mkdir data bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql -- datadir=/usr/local/mysql/data
上步生成随机密码,记住A temporary password is generated for root@localhost: aMrp.=ybu8Pr
mkdir tmp chown -R mysql:mysql tmp chown -R root . chown -R mysql data cp support-files/my-default.cnf /etc/my.cnf 提示是否覆盖,输入y回车 cp support-files/mysql.server /etc/init.d/mysql chmod +x /etc/init.d/mysql chkconfig --add mysql
修改/etc/my.cnf文件内容如下:
vi /etc/my.cnf
[mysqld] basedir = /usr/local/mysql datadir = /usr/local/mysql/data port = 3306 socket = /tmp/mysql.sock sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
加入环境变量:
vi /etc/profile
PATH=$PATH:/usr/local/mysql:/usr/local/mysql/bin export PATH
执行生效命令:
source /etc/profile
执行启动命令:
/etc/init.d/mysql start 或者 service mysql start
3.3登录MySQL服务
mysql –uroot -p生成的密码
提示:ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
执行
alter user 'root'@'localhost' identified by 'xxxxxxx';
3.4重置mysql密码
停止mysql服务
service mysql stop
执行安全模式
mysqld_safe --skip-grant-tables &
再开一个ssh窗口
执行mysql连接命令
mysql -u root
执行修改密码命令
update mysql.user set authentication_string=password('root') where user='root'
执行刷新命令
flush privileges;
执行命令
set password for 'root'@'localhost'=password('root');
退出
quit
当前用户名为root,密码为root
PS:
rpm -ivh *.rpm --nodeps --force rpm强制安装
yum install --downloadonly --downloaddir=/opt/python-virtualenv/ python-virtualenv yum只下载不安装命令
./env/bin/pip install --no-index --find-links=pythonEnv/ -r pip_requirements.txt