MySql5.7免安装版配置过程(ubuntu16.04)

一、安装环境:

  操作系统:ubuntu16.04

  数据库:mysql-5.7.17-linux-glibc2.5-x86_64 (免安装版)

二、解压

  tar -xzvf mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz

  mv mysql-5.7.17-linux-glibc2.5-x86_64   /usr/local/mysql

三、增加用户和组

  groupadd mysql;

  useradd -g mysql mysql;

四、创建目录及目录权限:

  mkdir /mysql /mysql/data /mysql/log

  修改目录权限

   chown -R mysql:mysql /usr/local/mysql /mysql
五、在/etc目录下创建文件: my.cnf

  直接使用 vi my.cnf创建

[client]
port = 3306
socket = /tmp/mysql.sock

[mysqld]
server_id=10
port = 3306
user = mysql
socket = /tmp/mysql.sock
basedir = /usr/local/mysql
datadir = /mysql/data
pid-file = /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

#####====================================[log]==============================
log_error = /mysql/log/mysql-error.log 
slow_query_log = 1
long_query_time = 1 
slow_query_log_file = /mysql/log/mysql-slow.log

sql_mode=ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

六、初始化数据库及配置

  注意:5.7.6之后的版本初始化数据库不再使用mysql_install_db

  bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/mysql/data  --innodb_undo_tablespaces=3 --explicit_defaults_for_timestamp

 如果配置了my.cnf的log_error,那么初始密码在log_error文件中,否则会打印出来。

  bin/mysql_ssl_rsa_setup --datadir=/mysql/data

  修改目录权限

 chown -R mysql:mysql /usr/local/mysql /mysql

  配置启动文件

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

  配置环境变量

  mysql_home=/usr/local/mysql
  PATH=$PATH:$mysql_home/bin

七、配置数据库密码及远程访问:

  使用初始化密码进行登录:

  密码存储在日志文件中:sudo vi mysql-error.log

  mysql -u root -p *******

 初次使用,设置root密码:
   SET PASSWORD=PASSWORD('root');
  然后才可以使用和操作数据库进行修改:

   update mysql.user set authentication_string=password('root') where user='root';

  修改远程访问权限

       mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'root_password' WITH GRANT OPTION;
       mysql> FLUSH PRIVILEGES ;
八、ubuntu下增加mysql到系统默认启动

  sudo update-rc.d mysql defaults

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