For the installation of mysql database, we have many options to complete. The most commonly used ones are binary installation and source code installation. The binary installation method includes rpm version and glibc version. The rpm version is compiled under a specific Linux version. If your Linux version matches, you can install it. For example, if you have compiled an rpm package for RedHat6 or RedHat7, just download the corresponding installation. There is another binary installation package compiled based on a specific glibc version. This article mainly describes the installation of mysql based on glibc.
1. Prepare the installation environment
###准备安装介质下载地址：http://mirrors.sohu.com/mysql/MySQL-5.7/mysql-5.7.12-linux-glibc2.5-x86_64.tar.gz ###或者使用wget方式直接下载对应的版本 # wget http://www.php.cn/# mkdir -pv /u01/app# mkdir -pv /u01/soft# mkdir -pv /u02/mysqldata# cd /u01/soft# wget http://www.php.cn/ # tar -xf mysql-5.7.12-linux-glibc2.5-x86_64.tar.gz# ln -sv /u01/soft/mysql-5.7.12-linux-glibc2.5-x86_64 /u01/app/mysql`/u01/app/mysql' -> ` /u01/soft/mysql-5.7.12-linux-glibc2.5-x86_64'###下面添加mysql用户# useradd -r mysql -s /sbin/nologin# chown -R mysql:mysql /u01/app/mysql # chown -R mysql:mysql /u02/mysqldata
2. Initialize mysql
###使用以下的方式来初始化# cd /u01/app/mysql/bin# ./mysqld --initialize --basedir=/u01/app/mysql --datadir=/u02/mysqldata --user=mysql
--explicit_defaults_for_timestamp2016-06-28T02:18:23.437852Z 0 [Warning] InnoDB: New log files created, LSN=457902016-06-28T02:18:23.718104Z 0
[Warning] InnoDB: Creating foreign key constraint system tables.2016-06-28T02:18:23.866501Z 0 [Warning] No existing UUID has been found,
so we assume that this is the first time that this
server has been started. Generating a new UUID: 9731b834-3cd6-11e6-8654-fcaa14e34b30.2016-06-28T02:18:23.896540Z 0
[Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.2016-06-28T02:18:23.898416Z
1 [Note] A temporary password is generated for root@localhost: )%%D0pr,mU.Y# ls /u02/mysqldata/auto.cnf client-cert.pem
ibdata1 performance_schema sys
ca-key.pem client-key.pem ib_logfile0 server-cert.pem
ca.pem client-req.pem ib_logfile1 server-key.pem
ca-req.pem ib_buffer_pool mysql server-req.pem###从上面的结果可以看出 mysql 5.7多出了证书相关文件，安全较5.6有较大提升
###mysql_install_db方式初始化数据已经被废弃# ./mysql_install_db --basedir=/u01/app/mysql --datadir=/u02/mysqldata --user=mysql2016-06-28 10:04:56
[WARNING] mysql_install_db is deprecated.
Please consider switching to mysqld --initialize2016-06-28 10:05:15 [WARNING] The bootstrap log isn't empty:2016-06-28 10:05:15 [WARNING]
2016-06-28T02:04:56.688237Z 0 [Warning] --bootstrap is deprecated. Please consider using --initialize instead2016-06-28T02:04:56.688654Z 0
[Warning] Changed limits: max_open_files: 1024 (requested 5000)2016-06-28T02:04:56.688657Z 0 [Warning] Changed
limits: table_open_cache: 431 (requested 2000)###如上书提示，mysql_install_db方式初始化数据已经被废弃，建议使用mysqld --initialize，同时也给出了参数限制的警告
# cp /u01/app/mysql/support-files/my-default.cnf /etc/my.cnf# cp /u01/app/mysql/support-files/mysql.server /etc/init.d/mysqld# vim /etc/my.cnf [mysqld]
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
basedir=/u01/app/mysql
datadir=/u02/mysqldata
user=mysql
port=3306# vim /etc/profile.d/mysql.shexport MYSQL_HOME=/u01/app/mysql
export PATH=$PATH:$MYSQL_HOME/bin# source /etc/profile.d/mysql.sh# service mysqld startStarting MySQL. [ OK ]3. Configure security options
###使用初始化时得到的密码配置安全选项 # /u01/app/mysql/bin/mysql_secure_installation -p)%%D0pr,mU.Y mysql_secure_installation: [Warning] Using a password on the command line interface can be insecure. Securing the MySQL server deployment. The existing password for the user account root has expired. Please set a new password. New password: Re-enter new password: VALIDATE PASSWORD PLUGIN can be used to test passwordsand improve security. It checks the strength of passwordand allows the users to set only those passwords which aresecure enough. Would you like to setup VALIDATE PASSWORD plugin? Press y|Y for Yes, any other key for No: y ###是否校验密码插件 There are three levels of password validation policy: LOW Length >= 8MEDIUM Length >= 8, numeric, mixed case, and special characters STRONG Length >= 8, numeric, mixed case, special characters and dictionary file Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 2 ###设定密码策略等级Using existing password for root. Estimated strength of the password: 100 Change the password for root ? ((Press y|Y for Yes, any other key for No) : ... skipping.By default, a MySQL installation has an anonymous user, allowing anyone to log into MySQL without having to have a user account created for them. This is intended only fortesting, and to make the installation go a bit smoother. You should remove them before moving into a production environment. Remove anonymous users? (Press y|Y for Yes, any other key for No) : y ###是否移除匿名用户 Success. Normally, root should only be allowed to connect from'localhost'. This ensures that someone cannot guess atthe root password from the network. Disallow root login remotely? (Press y|Y for Yes, any other key for No) : y ###是否关闭root远程登陆功能 Success.By default, MySQL comes with a database named 'test' that anyone can access. This is also intended only for testing,and should be removed before moving into a production environment. Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y ###是否移除测试数据库 - Dropping test database... Success. - Removing privileges on test database... Success. Reloading the privilege tables will ensure that all changes made so far will take effect immediately. Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y ###是否立即生效权限表 Success.All done! ###以下为安全增强相关的部分参数 mysql> show variables like 'valid%';+--------------------------------------+--------+| Variable_name | Value | +--------------------------------------+--------+| validate_password_dictionary_file | | | validate_password_length | 8 | | validate_password_mixed_case_count | 1 | | validate_password_number_count | 1 | | validate_password_policy | STRONG | | validate_password_special_char_count | 1 | +--------------------------------------+--------+
4. Configure other configurations on the same host Example
###按上面描述的步骤创建其对应的目录及授权后，再执行初始化###使用新的配置文件，如下文本示例使用的为3317# mkdir -pv /u02/mysqldata3317# chown -R mysql:mysql
/u02/mysqldata 3317# grep -v ^# /etc/my3317.cnf[mysqld]
basedir=/u01/app/mysql
datadir=/u02/mysqldata3317
user=mysql
port=3317socket=/tmp/mysql3317.sock# cd /u01/app/mysql/bin# ./mysqld --defaults-file=/etc/my3317.cnf --initialize --user=mysql
--explicit_defaults_for_timestamp# 2016-06-30T08:32:52.497519Z 0 [Warning] InnoDB: New log files created, LSN=457902016-06-30T08:32:52.852457Z 0
[Warning] InnoDB: Creating foreign key constraint system tables.2016-06-30T08:32:53.042621Z 0 [Warning] No existing UUID has been found,
so we assume that this is the first time that this server has been started.
Generating a new UUID: 3cb1686d-3e9d-11e6-a71f-fcaa14e34b30.2016-06-30T08:32:53.081210Z 0 [Warning] Gtid table is not ready to be used.
Table 'mysql.gtid_executed' cannot be opened.2016-06-30T08:32:53.082538Z 1 [Note] A temporary password is generated for root@localhost: :8
#l!MCYoCNY### Author : Leshami### Blog : http://www.php.cn/# mysqld_safe --defaults-file=/etc/my3317.cnf &[1] 58252016-06-30T08:11:49.468176Z
mysqld_safe Logging to '/u02/mysqldata3317/ydq4.err'.2016-06-30T08:11:49.480379Z mysqld_safe The file /usr/local/mysql/bin/mysqld
does not exist or is not executable. Please cd to the mysql installation
directory and restart this script from there as follows:
./bin/mysqld_safe&
See http://dev.mysql.com/doc/mysql/en/mysqld-safe.html for more information###如果执行mysqld_safe出现上述错误，可以创建软链。
这个地方有问题，对于安装在非缺省目录时出现了这个问题。# mkdir -pv /usr/local/mysql/bin/# ln -sv /u01/app/mysql/bin/mysqld /usr/local/mysql/bin/mysqld
"/usr/local/mysql/bin/mysqld" -> "/u01/app/mysql/bin/mysqld"# ./mysqld_safe --defaults-file=/etc/my3317.cnf &[1] 82872016-06-30T08:38:38.455961Z
mysqld_safe Logging to '/u02/mysqldata3317/ydq4.err'.2016-06-30T08:38:38.471542Z mysqld_safe Starting mysqld daemon with databases from
/u02/mysqldata3317###配置安全选项# /u01/app/mysql/bin/mysql_secure_installation -P3317 -S /tmp/mysql3317.sock -p5. More mysql installation and uninstallation reference
Installing MySQL 5.6 under Linux 5 (RPM mode)
Uninstalling MySQL 5 under Linux
Installing MySQL 5.6 based on source code under Linux
Full version of MySQL source code installation under Linux
Some notes on MySQL source code scr.rpm installation
For the installation of mysql database, we There are many options to accomplish this. The most commonly used ones are binary installation and source code installation. The binary installation method includes rpm version and glibc version. The rpm version is compiled under a specific Linux version. If your Linux version matches, you can install it. For example, if you have compiled an rpm package for RedHat6 or RedHat7, just download the corresponding installation. There is another binary installation package compiled based on a specific glibc version. This article mainly describes the installation of mysql based on glibc.
1. Prepare the installation environment
###准备安装介质下载地址：http://mirrors.sohu.com/mysql/MySQL-5.7/mysql-5.7.12-linux-glibc2.5-x86_64.tar.gz ###或者使用wget方式直接下载对应的版本 # wget http://www.php.cn/# mkdir -pv /u01/app# mkdir -pv /u01/soft# mkdir -pv /u02/mysqldata# cd /u01/soft# wget http://www.php.cn/ # tar -xf mysql-5.7.12-linux-glibc2.5-x86_64.tar.gz# ln -sv /u01/soft/mysql-5.7.12-linux-glibc2.5-x86_64 /u01/app/mysql`/u01/app/mysql' -> ` /u01/soft/mysql-5.7.12-linux-glibc2.5-x86_64'###下面添加mysql用户# useradd -r mysql -s /sbin/nologin# chown -R mysql:mysql /u01/app/mysql # chown -R mysql:mysql /u02/mysqldata
2. Initialize mysql
###使用以下的方式来初始化# cd /u01/app/mysql/bin# ./mysqld --initialize --basedir=/u01/app/mysql --datadir=/u02/mysqldata
--user=mysql --explicit_defaults_for_timestamp2016-06-28T02:18:23.437852Z 0 [Warning] InnoDB: New log files created,LSN=457902016-06-28T02:18:23.718104Z 0
[Warning] InnoDB: Creating foreign key constraint system tables.2016-06-28T02:18:23.866501Z 0 [Warning]
No existing UUID has been found, so we assume that this is
the first time that this
server has been started. Generating a new UUID: 9731b834-3cd6-11e6-8654-fcaa14e34b30.2016-06-28T02:18:23.896540Z 0
[Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.2016-06-28T02:18:23.898416Z 1 [Note] A
temporary password is generated for root@localhost: )%%D0pr,mU.Y# ls /u02/mysqldata/auto.cnf client-cert.pem ibdata1 performance_schema sys
ca-key.pem client-key.pem ib_logfile0 server-cert.pem
ca.pem client-req.pem ib_logfile1 server-key.pem
ca-req.pem ib_buffer_pool mysql server-req.pem###从上面的结果可以看出 mysql 5.7多出了证书相关文件，安全较5.6有较大提升
###mysql_install_db方式初始化数据已经被废弃# ./mysql_install_db --basedir=/u01/app/mysql --datadir=/u02/mysqldata --user=mysql2016-06-28 10:04:56 [WARNING]
mysql_install_db is deprecated.
Please consider switching to mysqld --initialize2016-06-28 10:05:15 [WARNING] The bootstrap log isn't empty:2016-06-28 10:05:15 [WARNING]
2016-06-28T02:04:56.688237Z 0 [Warning] --bootstrap is deprecated. Please consider using --initialize instead2016-06-28T02:04:56.688654Z 0 [Warning]
Changed limits: max_open_files: 1024 (requested 5000)2016-06-28T02:04:56.688657Z 0 [Warning] Changed limits: table_open_cache: 431 (requested 2000)
###如上书提示，mysql_install_db方式初始化数据已经被废弃，建议使用mysqld --initialize，同时也给出了参数限制的警告
# cp /u01/app/mysql/support-files/my-default.cnf /etc/my.cnf# cp /u01/app/mysql/support-files/mysql.server /etc/init.d/mysqld# vim /etc/my.cnf [mysqld]
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
basedir=/u01/app/mysql
datadir=/u02/mysqldata
user=mysql
port=3306# vim /etc/profile.d/mysql.shexport MYSQL_HOME=/u01/app/mysql
export PATH=$PATH:$MYSQL_HOME/bin# source /etc/profile.d/mysql.sh# service mysqld startStarting MySQL.
[ OK ]3. Configure security options
###使用初始化时得到的密码配置安全选项 # /u01/app/mysql/bin/mysql_secure_installation -p)%%D0pr,mU.Y mysql_secure_installation: [Warning] Using a password on the command line interface can be insecure. Securing the MySQL server deployment. The existing password for the user account root has expired. Please set a new password. New password: Re-enter new password: VALIDATE PASSWORD PLUGIN can be used to test passwordsand improve security. It checks the strength of passwordand allows the users to set only those passwords which aresecure enough. Would you like to setup VALIDATE PASSWORD plugin? Press y|Y for Yes, any other key for No: y ###是否校验密码插件 There are three levels of password validation policy: LOW Length >= 8MEDIUM Length >= 8, numeric, mixed case, and special characters STRONG Length >= 8, numeric, mixed case, special characters and dictionary file Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 2 ###设定密码策略等级Using existing password for root. Estimated strength of the password: 100 Change the password for root ? ((Press y|Y for Yes, any other key for No) : ... skipping.By default, a MySQL installation has an anonymous user, allowing anyone to log into MySQL without having to have a user account created for them. This is intended only fortesting, and to make the installation go a bit smoother. You should remove them before moving into a production environment. Remove anonymous users? (Press y|Y for Yes, any other key for No) : y ###是否移除匿名用户 Success. Normally, root should only be allowed to connect from'localhost'. This ensures that someone cannot guess atthe root password from the network. Disallow root login remotely? (Press y|Y for Yes, any other key for No) : y ###是否关闭root远程登陆功能 Success.By default, MySQL comes with a database named 'test' that anyone can access. This is also intended only for testing,and should be removed before moving into a production environment. Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y ###是否移除测试数据库 - Dropping test database... Success. - Removing privileges on test database... Success. Reloading the privilege tables will ensure that all changes made so far will take effect immediately. Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y ###是否立即生效权限表 Success.All done! ###以下为安全增强相关的部分参数 mysql> show variables like 'valid%';+--------------------------------------+--------+| Variable_name | Value | +--------------------------------------+--------+| validate_password_dictionary_file | | | validate_password_length | 8 | | validate_password_mixed_case_count | 1 | | validate_password_number_count | 1 | | validate_password_policy | STRONG | | validate_password_special_char_count | 1 | +--------------------------------------+--------+
4. Configure other configurations on the same host Example
###按上面描述的步骤创建其对应的目录及授权后，再执行初始化###使用新的配置文件，如下文本示例使用的为3317# mkdir -pv /u02/mysqldata3317 # chown -R mysql:mysql /u02/mysqldata 3317# grep -v ^# /etc/my3317.cnf[mysqld] basedir=/u01/app/mysql datadir=/u02/mysqldata3317 user=mysql port=3317socket=/tmp/mysql3317.sock# cd /u01/app/mysql/bin# ./mysqld --defaults-file=/etc/my3317.cnf --initialize --user=mysql --explicit_defaults_for_timestamp # 2016-06-30T08:32:52.497519Z 0 [Warning] InnoDB: New log files created, LSN=457902016-06-30T08:32:52.852457Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.2016-06-30T08:32:53.042621Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 3cb1686d-3e9d-11e6-a71f-fcaa14e34b30.2016-06-30T08:32:53.081210Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.2016-06-30T08:32:53.082538Z 1 [Note] A temporary password is generated for root@localhost: :8 #l!MCYoCNY### Author : Leshami### Blog : http://www.php.cn/# mysqld_safe --defaults-file=/etc/my3317.cnf &[1] 58252016-06-30T08:11:49.468176Z mysqld_safe Logging to '/u02/mysqldata3317/ydq4.err'.2016-06-30T08:11:49.480379Z mysqld_safe The file /usr/local/mysql/bin/mysqld does not exist or is not executable. Please cd to the mysql installation directory and restart this script from there as follows: ./bin/mysqld_safe& See http://dev.mysql.com/doc/mysql/en/mysqld-safe.html for more information###如果执行mysqld_safe出现上述错误，可以创建软链。这个地方有问题， 对于安装在非缺省目录时出现了这个问题。# mkdir -pv /usr/local/mysql/bin/# ln -sv /u01/app/mysql/bin/mysqld /usr/local/mysql/bin/mysqld "/usr/local/mysql/bin/mysqld" -> "/u01/app/mysql/bin/mysqld"# ./mysqld_safe --defaults-file=/etc/my3317.cnf &[1] 82872016-06-30T08:38:38.455961Z mysqld_safe Logging to '/u02/mysqldata3317/ydq4.err'.2016-06-30T08:38:38.471542Z mysqld_safe Starting mysqld daemon with databases from /u02/mysqldata3317 ###配置安全选项# /u01/app/mysql/bin/mysql_secure_installation -P3317 -S /tmp/mysql3317.sock -p
5. More mysql installation and uninstallation reference
Installing MySQL 5.6 under Linux 5 (RPM method)
Uninstalling MySQL 5 under Linux
Installing MySQL based on source code under Linux 5.6
Install the complete version of MySQL source code under Linux
Some notes on the installation of MySQL source code scr.rpm
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MySQL: Building Your First DatabaseApr 17, 2025 am 12:22 AMThe steps to build a MySQL database include: 1. Create a database and table, 2. Insert data, and 3. Conduct queries. First, use the CREATEDATABASE and CREATETABLE statements to create the database and table, then use the INSERTINTO statement to insert the data, and finally use the SELECT statement to query the data.
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