MySQL Linux Installation mysql-5.7.24

Related to the environment

Linux: CentOS 7 64 position
Jdk: 1.8.0_231
MySQL: 5.7.24

Check before installation

Insist on whether it is installed mysql/mariadb

rpm -e mysql
rpm -qa | grep mysql
rpm -qa | grep mariadb
whereis mysql #  see mysql Catalog 

return error: package mysql is not installed That is no mysql;
If you have any , Delete it ：

rpm -e --nodeps  The name of the document found 
rpm -e --nodeps mariadb-libs-5.5.52-1.el7.x86_64
rm -rf  Directory name 
yum remove mysql-libs #yum Delete by , If you use yum Installation mode 

install mysql May be with MariaDB There are conflicts , So it needs to be deleted .

 

download 、 Upload 、 Unzip the relevant files

Download from the official website ( Or download according to your own needs )
mysql-5.7.24-linux-glibc2.12-x86_64.tar.gz

Upload to Linux, decompression , Move to /usr/local/：

rz -E
tar zxvf mysql-5.7.24-linux-glibc2.12-x86_64.tar.gz
mv mysql-5.7.24-linux-glibc2.12-x86_64 /usr/local/mysql

 

To configure

1. establish data

   mkdir /usr/local/mysql/data
   

2. Create user groups and users , modify mysql Authority

   groupadd mysql
   useradd mysql -g mysql
   chown -R mysql:mysql mysql/
   

   

3. initialization MySQL, Record the returned password

   /usr/local/mysql/bin/mysqld --initialize --user=mysql --datadir=/usr/local/mysql/data --basedir=/usr/local/mysql
   

   
   password ：h4jgn7s&aKz!

4. Create soft link

   Make global use of mysql command ：

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

   Make available service Command to start-up ：

   ln -s /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
   service mysql restart
   

5. Sign in MySQL

   mysql -u root -p
   

   

6. After logging in , Change Password , Open remote permissions ：

   alter user 'root'@'localhost' identified by '123456';
   use mysql;
   update user set user.Host='%' where user.User='root';
   grant all privileges on *.* to root@'%' identified by '123456';
   flush privileges;
   quit
   

7. Modify the configuration file /etc/my.cnf

   vim /etc/my.cnf
   

   [mysqld]
   character_set_server=utf8
   basedir=/usr/local/mysql
   datadir=/usr/local/mysql/data
   port=3306
   socket=/tmp/mysql.sock
   sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
   symbolic-links=0
   max_connections=600
   innodb_file_per_table=1
   lower_case_table_names=1
    
   ####################  other   Can not add  ####################
   #  China standard time ,  Will be output 08:00
   # default-time_zone = '+8:00'
   # default-storage-engine=INNODB
   # collation-server=utf8_general_ci
   #  Query settings 
   #  Open slow query log （ Or set 1）
   # slow_query_log=1
   # #  Specify the path to save the log file , If not specified, it will be in the database file directory by default    Note that files must be created manually   And authority 
   # slow_query_log_file=/var/log/mysql_slow.log
   # #  Specify how many seconds to slow a query   subtle 
   # long_query_time=5
   #  Record queries that do not use indexes 
   # log_queries_not_using_indexes=on
   #  It shows that it is allowed to record every minute slow log Not indexed sql Number of statements 
   # log_throttle_queries_not_using_indexes=10
   #  How to store logs 
   # log_output=FILE
   # sql_mode="STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"
   

   restart mysql, Sign in , Use the following command to check lower_case_table_names Is it 1, by 1 Indicates that the configuration is modified successfully

   show variables like "%case%";
   

8. Set power on self start

   chkconfig mysql on
   

9. Turn off firewall ( Or expose the port )

   systemctl stop firewalld.service
   

   installation is complete .
    

start-up MySQL

/usr/local/mysql/support-files/mysql.server start
service mysql start
service mysql restart
service mysql stop
ps -ef | grep mysql

Use navicat Successful connection ：

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If there is something wrong , Please understand and criticize , thank you ~
Reprint please indicate ：
https://blog.csdn.net/vihem/article/details/123171414