#chown -R mysql:mysql mysqldata
#su - mysql
8.配置my.cnf文件
$vi /data/mysqldata/3306/my.cnf
[client]
port = 3306
socket = /data/mysqldata/3306/mysql.sock
# The MySQL server
[mysqld]
port = 3306
user = mysql
socket = /data/mysqldata/3306/mysql.sock
pid-file = /data/mysqldata/3306/mysql.pid
basedir = /usr/local/mysql
datadir = /data/mysqldata/3306/data
tmpdir = /data/mysqldata/3306/tmp
open_files_limit = 60000
explicit_defaults_for_timestamp
server-id = 1203306
lower_case_table_names = 1
character-set-server = utf8
federated
#sql_mode=STRICT_TRANS_TABLES
max_connections = 1000
max_connect_errors = 100000
interactive_timeout = 86400
wait_timeout = 86400
sync_binlog=0
back_log=100
default-storage-engine = InnoDB
log_slave_updates = 1
#*********** Logs related settings ***********
log-bin = /data/mysqldata/3306/binlog/mysql-bin
binlog_format= mixed
binlog_cache_size=32m
max_binlog_cache_size=64m
max_binlog_size=512m
long_query_time = 1
log_output = FILE
log-error = /data/mysqldata/3306/mysql-error.log
slow_query_log = 1
slow_query_log_file = /data/mysqldata/3306/slow_statement.log
#log_queries_not_using_indexes
general_log = 0
general_log_file = /data/mysqldata/3306/general_statement.log
#expire-logs-days = 14
binlog_expire_logs_seconds = 1728000
relay-log = /data/mysqldata/3306/binlog/relay-bin
relay-log-index = /data/mysqldata/3306/binlog/relay-bin.index
#****** MySQL Replication New Feature*********
master-info-repository=TABLE
relay-log-info-repository=TABLE
relay-log-recovery
#*********** INNODB Specific options ***********
innodb_buffer_pool_size = 2048M
transaction-isolation=REPEATABLE-READ
innodb_buffer_pool_instances = 8
innodb_file_per_table = 1
innodb_data_home_dir = /data/mysqldata/3306/innodb_ts
innodb_data_file_path = ibdata1:2048M:autoextend
innodb_thread_concurrency = 8
innodb_log_buffer_size = 16M
innodb_log_file_size = 128M
innodb_log_files_in_group = 3
innodb_log_group_home_dir = /data/mysqldata/3306/innodb_log
innodb_flush_log_at_trx_commit = 2
innodb_max_dirty_pages_pct = 70
innodb_flush_method=O_DIRECT
[mysql]
no-auto-rehash
default-character-set=gbk
prompt = (\\u@\h) [\d]>\_
9.初始化MySQL數據庫
$/usr/local/mysql/bin/mysqld --defaults-file=/data/mysqldata/3306/my.cnf --initialize --user=mysql
10.啟動mysql服務
$/usr/local/mysql/bin/mysqld_safe --defaults-file=/data/mysqldata/3306/my.cnf --user=mysql &
11.登陸數據庫
備註:密碼來自於error log日誌，明細如下:
2018-05-16T07:17:57.335486Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: j $/usr/local/mysql/bin/mysql -uroot -p'j 12.數據庫一些基本權限配置 •修改root賬號密碼: ALTER USER 'root'@'localhost' IDENTIFIED WITH sha256_password BY 'zsd@7101' PASSWORD EXPIRE INTERVAL 360 DAY; •查看目前的用戶賬號 (root@localhost) [(none)]> select user,host from mysql.user; +------------------+-----------+ | user | host | +------------------+-----------+ | mysql.infoschema | localhost | | mysql.session | localhost | | mysql.sys | localhost | | root | localhost | +------------------+-----------+ 原文來自：https://www.linuxprobe.com/centos-install-mysql.html
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