mysql 5.7.17 二进制安装

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我下载的是版本是mysql5.7.17社区版，具体的下载方法就不介绍，在官网就可以找到。

解压拷贝

#tar xvf mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz

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

创建mysql用户

#groupadd mysql

#useradd -r -g mysql -s /bin/false mysql

创建mysql的数据目录，该目录在初始化数据库的时候会用到

#mkdir /data /data/mysql /data/mysql/log

创建my.cnf文件

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

[mysqld]
server_id=10
port = 3306
user = mysql
character-set-server = utf8mb4
default_storage_engine = innodb
log_timestamps = SYSTEM
socket = /tmp/mysql.sock
basedir = /usr/local/mysql
datadir = /data/mysql/
pid-file = /data/mysql/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 = /data/log/mysql-error.log
slow_query_log = 1
long_query_time = 1
slow_query_log_file = /data/log/mysql-slow.log

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

初始化数据库

在5.7.6之前初始化的方法是：bin/mysql_install_db --user=mysql

我下载的是最新的5.7.17，5.7.6之后的版本初始化数据库不再使用mysql_install_db

#./mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql --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。

配置启动文件

#cp support-files/mysql.server /etc/init.d/mysql
#chkconfig --add mysql
#chkconfig mysql on
#service mysql start

配置环境变量

mysql_home=/usr/local/mysql
PATH=$PATH:$mysql_home/bin
source /etc/profile

修改密码

从log-error 日志中找到密码后登陆进去，执行

#SET PASSWORD = PASSWORD('123456');

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