一、优化部分
1、操作系统参数调优
2、数据库参数调优
3、防火墙设置等
二、安装部分
1、创建用户和组
# groupadd mysql # useradd -g mysql mysql2、到安装目录，解压安装文件
#cd /data #tar -zxvf mysql-5.7.19-linux-glibc2.12-x86_64.tar.gz #mv mysql-5.7.19-linux-glibc2.12-x86_64 mysql3、创建数据库安装目录、授权
#mkdir /data/mysql/data /data/mysql/log #chown -R mysql:mysql /data/mysql4、验证权限
# ls -l mysqltotal 52 drwxr-xr-x 2 mysql mysql 4096 Aug 8 04:06 bin -rw-r--r-- 1 mysql mysql 17987 Jun 22 22:13 COPYING drwxr-xr-x 2 mysql mysql 4096 Aug 8 04:06 docs drwxr-xr-x 3 mysql mysql 4096 Aug 8 04:06 include drwxr-xr-x 5 mysql mysql 4096 Aug 8 04:06 lib drwxr-xr-x 4 mysql mysql 4096 Aug 8 04:06 man -rw-r--r-- 1 mysql mysql 2478 Jun 22 22:13 README drwxr-xr-x 28 mysql mysql 4096 Aug 8 04:06 share drwxr-xr-x 2 mysql mysql 4096 Aug 8 04:06 support-files5、编辑参数文件
vim /etc/my.cnf [client] port = 3306 socket = /data/mysql/data/mysql.sock [mysqld] server_id=10 port = 3306 user = mysql character-set-server = utf8mb4 default_storage_engine = innodb log_timestamps = SYSTEM socket = /data/mysql/data/mysql.sock basedir = /data/mysql datadir = /data/mysql/data pid-file = /data/mysql/data/mysql.pid max_connections = 1000 max_connect_errors = 1000 table_open_cache = 1024 max_allowed_packet = 128M open_files_limit = 65535 #####====================================[innodb]============================== innodb_buffer_pool_size = 1024M innodb_file_per_table = 1 innodb_write_io_threads = 4 innodb_read_io_threads = 4 innodb_purge_threads = 2 innodb_flush_log_at_trx_commit = 1 innodb_log_file_size = 512M innodb_log_files_in_group = 2 innodb_log_buffer_size = 16M innodb_max_dirty_pages_pct = 80 innodb_lock_wait_timeout = 30 innodb_data_file_path=ibdata1:1024M:autoextend innodb_undo_tablespaces=3 #####====================================[log]============================== log_error = /data/mysql/log/mysql-error.log slow_query_log = 1 long_query_time = 1 slow_query_log_file = /data/mysql/log/mysql-slow.log sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES6、安装数据库
# yum -y install libaio # ./bin/mysqld --initialize --user=mysql --basedir=/data/mysql --datadir=/data/mysql/data --innodb_undo_tablespaces=3 --explicit_defaults_for_timestamp7、配置启动文件
cp support-files/mysql.server /etc/init.d/mysqld chkconfig --add mysqld chkconfig mysqld on service mysqld start8、配置环境变量
vi /etc/profile #for mysql mysql_home=/data/mysql PATH=$PATH:$mysql_home/bin source /etc/profile9、查看默认密码
grep -i password /mysql/log/mysql-error.log10、初始化密码
mysql -uroot -p‘xxxxx‘ SET PASSWORD=PASSWORD('root'); flush privileges;11、数据库常规启停
#mysqladmin -uroot -proot shutdown #mysqld_safe --defaults-file=/etc/my.cnf & #ps -ef|grep mysql12、安全配置
# mysql_secure_installation Securing the MySQL server deployment. Enter password for user root: VALIDATE PASSWORD PLUGIN can be used to test passwords and improve security. It checks the strength of password and allows the users to set only those passwords which are secure enough. Would you like to setup VALIDATE PASSWORD plugin? Press y|Y for Yes, any other key for No: y There are three levels of password validation policy: LOW Length >= 8 MEDIUM 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 Using existing password for root. Estimated strength of the password: 25 Change the password for root ? ((Press y|Y for Yes, any other key for No) : y New password: Re-enter new password: Sorry, passwords do not match. New password: Re-enter new password: Sorry, passwords do not match. New password: Re-enter new password: Estimated strength of the password: 50 Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : y ... Failed! Error: Your password does not satisfy the current policy requirements New password: Re-enter new password: Estimated strength of the password: 100 Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : y 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 for testing, 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 Success. Normally, root should only be allowed to connect from ‘localhost‘. This ensures that someone cannot guess at the root password from the network. Disallow root login remotely? (Press y|Y for Yes, any other key for No) : y 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 - 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 Success. All done!相关阅读：
Mysql在各个系统的安装教程
Mysql 5.7.19 免安装版配置方法教程详解(64位)
Mysql 5.7.19 免安装版遇到的坑(收藏)
MySQL 5.7.19安装目录下创建my.ini文件的方法
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