Linux系统下安装Mysql全过程(mysql.tar.gz)

rpm -qa|grep mysql

rpm -e --nodeps 程序名

mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz

tar -zxvf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz
mv mysql-5.7.22-linux-glibc2.12-x86_64 /usr/local/mysql
cd /usr/local/mysql

groupadd mysql

useradd -r -g mysql mysql

mkdir /usr/local/mysql/data

 chown -R mysql:mysql ./
 chown -R mysql:mysql data

yum install -y libaio
bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data

cd support-files/

cp /usr/local/mysql/support-files/mysql.server  /etc/init.d/mysqld

vim /etc/init.d/mysqld

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

bin/mysqld_safe --user=mysql &
//或者
service mysqld start 

chkconfig --add mysqld
//查看开机启动項
chkconfig --list

/etc/init.d/mysqld restart

./mysql -uroot -p 临时密码

ln -s /usr/local/mysql/bin/mysql /usr/bin

set password= password('root');
//或者
alter user 'root'@'localhost' identified by 'root'; 
//刷新权限
flush privileges;
//授权新用户
GRANT ALL PRIVILEGES ON *.* TO 'root1'@'%' IDENTIFIED BY 'root' WITH GRANT OPTION;  

vi /etc/profile
//加入
PATH=/data/mysql/bin:/data/mysql/lib:$PATH
export PATH
//配置文件立即生效
source /etc/profile

# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html

[client]

# pipe
# # socket=0.0
port=3306
default-character-set=utf8
[mysql]
port=3306
default-character-set=utf8
#
[mysqld]
#
# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M
#
# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin
#
# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M
datadir=/usr/local/mysql/data
#socket=/var/lib/mysql/mysql.sock
server_id=1
expire_logs_days=3
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
port=3306
character-set-server=utf8

log-error=/var/log/mysqld.log
#pid-file=/var/run/mysqld/mysqld.pid
pid-file=/usr/local/mysql/data/localhost.localdomain.pid