1, download the tar package, where the use wget to download from the official website
https://dev.mysql.com/downloads/mysql/
2, installed to the mysql / usr / local / mysql
# Unzip
tar -xvf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz
mv /usr/local/mysql-5.7.22-linux-glibc2.12-x86_64 /usr/local/mysql
3, the new data directory
mkdir /usr/local/mysql/data
4, the new mysql user, user group mysql
# Mysql user group
groupadd mysql
# Mysql user
useradd mysql -g mysql
5, / usr / local / mysql belongs to the owner and group changed mysql
chown -R mysql.mysql /usr/local/mysql
6, configuration
/usr/local/mysql/bin/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data
If the following error:
2018-07-14 06:40:32 [WARNING] mysql_install_db is deprecated. Please consider switching to mysqld --initialize 2018-07-14 06:40:32 [ERROR] Child process: /usr/local/mysql/bin/mysqldterminated prematurely with errno= 32 2018-07-14 06:40:32 [ERROR] Failed to execute /usr/local/mysql/bin/mysqld --bootstrap --datadir=/usr/local/mysql/data --lc-messages-dir=/usr/local/mysql/share --lc-messages=en_US --basedir=/usr/local/mysql
Use the following command (recall the data files generated by the above command contents deleted): /
usr / local / MySQL / bin / MySQL --basedir mysqld --user = = / usr / local / MySQL / --datadir = / usr / local / mysql / data --initialize
If the following error:
/usr/local/mysql/bin/mysqld: error while loading shared libraries: libnuma.so.1: cannot open shared object file: No such file or directory
Execute the following command:
yum -y install numactl
After the completion of the previous step is repeated to continue the installation (similar to the above content data file deleted):
/usr/local/mysql/bin/mysqld --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data --initialize
编辑/etc/my.cnf
[mysqld] datadir=/usr/local/mysql/data basedir=/usr/local/mysql socket=/tmp/mysql.sock user=mysql port=3306 character-set-server=utf8 # 取消密码验证 skip-grant-tables # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 # skip-grant-tables [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid
7, open service
# Mysql join the service
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
# Boot from Kai
chkconfig mysql on
# Open
service mysql start
( Sometimes returns the following error:
1.service mysql start;
报错：mysql is neither service nor target!?
2.systemctl start mysql:
报错：sysemctl start mysql ： Failed to star mysql.service: Unit mysql.service failed to load: No such file ....)
Solution: Perform the following command
systemctl unmask mysql.service
service mysql start
8, set a password
# Log (canceled due /etc/my.cnf set up password authentication, so any password here)
/usr/local/mysql/bin/mysql -u root -p
# Mysql database operations
>>use mysql;
# change Password
>>update user set authentication_string=password('你的密码') where user='root';
>>flush privileges;
>>exit;
9, the skip-grant-tables /etc/my.cnf of deleted
10, login password again (do not know why not set a password if you can not operate the database again)
/usr/local/mysql/bin/mysql -u root -p
>> ALTER USER 'root' @ 'localhost' IDENTIFIED BY 'modified password';
>>exit;
11, allow remote connections
/usr/local/mysql/bin/mysql -u root -p
>>use mysql;
>>update user set host='%' where user = 'root';
>>flush privileges;
>>eixt;
If not, directly off linux firewall. This still does not work, check the server stack stack rules.
12, add shortcuts
ln -s /usr/local/mysql/bin/mysql /usr/bin