[most complete] install MySQL on a Linux server

take mysql Download to ：/user/local/

cd /usr/local/

wget https://dev.mysql.com/get/Downloads/mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz

Here for download 8.0 edition , You can copy the corresponding version on the official website , Modify corresponding position , Such as ： download 5.7 edition ：

wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.24-linux-glibc2.12-x86_64.tar.gz

Unzip in this directory ; 

tar -xzf mysql-5.7.24-linux-glibc2.12-x86_64.tar.gz

 1、*.tar use tar -xvf decompression  
2、*.gz use gzip -d perhaps gunzip decompression  
3、.tar.gz and .tgz use tar -xzf decompression  
4、*.bz2 use bzip2 -d Or use bunzip2 decompression  
5、*.tar.bz2 use tar -xjf decompression  
6、*.Z use uncompress decompression  
7、*.tar.Z use tar -xZf decompression  
8、*.rar use unrar e decompression  
9、*.zip use unzip decompression  
10.*.tar.xz use tar -xJf decompression

Change the name of the extracted folder , Note: none here .tar.gz suffix , Otherwise, change the file name of the compressed package

mv mysql-5.7.24-linux-glibc2.12-x86_64 mysql

add to mysql The user group and user to which the folder belongs

1. groupadd mysql

2. useradd -r -g mysql mysql

Create a database directory and authorize , Be careful to execute cd / Create in the root directory

1. cd /

2. mkdir -p /data/mysql

To configure my.cnf file , Execute... In the root directory ：

vim /etc/my.cnf

After opening, paste the following configuration code , Press Enter Key to exit INSERT Pattern , Input :wq Then press enter to save and exit ：（ Here, pay attention to press i Get into INSERT Mode editor ）

1. [mysqld]

2. bind-address=0.0.0.0

3. port=3306

4. user=mysql

5. basedir=/usr/local/mysql

6. datadir=/data/mysql

7. socket=/tmp/mysql.sock

8. log-error=/data/mysql/mysql.err

9. pid-file=/data/mysql/mysql.pid

10. #character config

11. character_set_server=utf8mb4

12. symbolic-links=0

13. explicit_defaults_for_timestamp=true

Initialize database , Get into mysql Of bin Catalog ：

cd /usr/local/mysql/bin

Perform initialization and view mysql Account password ：

./mysqld --defaults-file=/etc/my.cnf --basedir=/usr/local/mysql/ --datadir=/data/mysql/ --user=mysql --initialize

  View the initial password of the database under the root directory ： Pay attention to the end of the printed log    [email protected]:XXXXXXXXXXXXXX The following string is mysql Administrator temporary login password .

1. cd /

2. cat /data/mysql/mysql.err

  take mysql.server Placed in /etc/init.d/mysql in

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

start-up mysql, And check to see if it started successfully

service mysql start

Next, modify the initial password of the database

Get into mysql Of bin Catalog ：

1. cd /usr/local/mysql/bin

2. ./mysql -u root -p

Enter the initial password of the acquired database , Carry out the following 3 An order , Change password and refresh permissions ;

1. ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';

3. ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;

5. FLUSH PRIVILEGES;