數據庫_MySQL(1)-Linux下安裝MySQL5.7.3

1.下載並解壓
下載安裝包
mysql-5.7.3-m13-linux-glibc2.5-x86_64.tar.gz

解壓至/usr/local目錄

tar zxvf mysql-5.7.3-m13-linux-glibc2.5-x86_64.tar.gz
mv mysql-5.7.3-m13-linux-glibc2.5-x86_64 mysql

2.創建用戶組和用戶

groupadd mysql
useradd -g mysql mysql

3.創建數據目錄

cd /usr/local/mysql
mkdir -p data
chown -R mysql:mysql /usr/local/mysql

4.安裝perl相關,否則報錯

yum install perl
yum install 'perl(Data::Dumper)'

5.執行安裝

./scripts/mysql_install_db --user=mysql --datadir=/usr/local/mysql/data

6.配置系統服務

cp support-files/mysql.server /etc/init.d/mysqld
chmod 755 /etc/init.d/mysqld
cp support-files/my-default.cnf /etc/my.cnf

7.修改啓動腳本
vi /etc/init.d/mysqld

basedir=/usr/local/mysql/
datadir=/usr/local/mysql/data

8.修改環境變量
vi .bashrc

export PATH=$PATH:/usr/local/mysql/bin

source .bashrc

9.啓停

#啓動
service mysqld start
#關閉
service mysqld stop
#查看狀態
service mysqld status

10.授權遠程連接
mysql -uroot

grant all privileges on *.* to 'root'@'%' identified by 'root' with grant option;