下载并解压Mysql
下载地址http://dev.mysql.com/downloads/mysql/ (选择Linux - Generic版本的Linux - Generic (glibc 2.5) (x86, 64-bit), Compressed)
# 检查库文件是否存在,如有删除。
rpm -qa | grep mysql
rpm -e mysql-libs-5.1.52.x86_64 --nodeps
# 下载mysql
wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz
# 解压
tar zxvf mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz
mv mysql-5.7.18-linux-glibc2.5-x86_64 /usr/local/mysql
添加用户及用户组
# 检查mysql用户及用户组是否存在
cat /etc/group | grep mysql
cat /etc/passwd | grep mysql
# 创建mysql用户及用户组
groupadd mysql
useradd -r -g mysql mysql
授权
# 授权
cd /usr/local
chown -R mysql:mysql mysql/
安装
cd mysql
# 初始化(这里要记录下密码,后续会用到)
bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data
# 创建执行程序软连接
ln -s /usr/local/mysql/bin/mysql /usr/bin/mysql
#启动mysql
./support-files/mysql.server start
# 拷贝文件到开机启动
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
chmod 755 /etc/init.d/mysqld
chkconfig --list mysqld # 如果不存在则执行下面命令,存在则不执行下面命令
chkconfig --add mysqld
配置my.cnf
vi /etc/my.cnf
[mysqld]
datadir=/usr/local/mysql/data
user=mysql
character-set-server=utf8
collation-server=utf8_general_ci
# Disabling symbolic-links is recommended to prevent assorted security
risks symbolic-links=0
初始化密码
mysql -u root -h 127.0.0.1 -p
# 这里的密码是刚才初始化时生成的随机密码
ALTER USER 'root'@'localhost' IDENTIFIED BY 'new_password';
flush privileges;
常用命令
service mysqld start
service mysqld stop
service mysqld restart
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