[root@wallet01 ~]# lsb_release -a
LSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch
Distributor ID: CentOS
Description: CentOS release 6.5 (Final)
Release: 6.5
Codename: Final
[root@wallet01 ~]# cat >> /etc/hosts <<EOF
192.168.40.34 wallet01
EOF
[root@wallet01 ~]# useradd mysql
[root@wallet01 ~]# id mysql
uid=500(mysql) gid=500(mysql) groups=500(mysql)
[root@wallet01 ~]# cat >> /etc/security/limits.conf <<EOF
mysql soft nproc 4096
mysql hard nproc 65535
mysql soft nofile 4096
mysql hard nofile 65535
EOF
使用官方Yum Repository安装MySQL 5.7
[root@wallet01 ~]# yum install -y libaio
[root@wallet01 ~]# rpm -ivh mysql80-community-release-el6-3.noarch.rpm
[root@wallet01 ~]# yum-config-manager --disable mysql80-community
[root@wallet01 ~]# yum-config-manager --enable mysql57-community
[root@wallet01 ~]# yum repolist all | grep mysql
[root@wallet01 ~]# yum install -y mysql-community-server
[root@wallet01 ~]# vim /etc/my.cnf
[mysqld]
user = mysql
port = 3306
datadir = /var/lib/mysql
socket = /var/lib/mysql/mysql.sock
character-set-server = utf8
open-files-limit = 65535
validate_password=off
sql_mode = STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION
secure_file_priv = /var/lib/mysql
transaction_isolation = READ-COMMITTED
innodb_buffer_pool_size = 4G
innodb_buffer_pool_instances = 4
innodb_log_file_size = 256M
innodb_log_files_in_group = 3
innodb_log_buffer_size = 16M
innodb_undo_logs= 128
innodb_undo_tablespaces = 3
innodb_data_file_path = ibdata1:2048M:autoextend
tmp_table_size = 256M
max_heap_table_size = 256M
key_buffer_size = 32M
max_allowed_packet = 32M
lower_case_table_names=1
slow_query_log = 1
long_query_time = 2
log-error = /var/lib/mysql/error.log
log_timestamps = SYSTEM
wait_timeout=43200
interactive_timeout=43200
max_connections = 500
max_connect_errors = 10000
server_id = 3030
log_bin = mysql-bin
binlog_format = row
binlog_cache_size = 8M
max_binlog_cache_size = 4G
max_binlog_size = 64M
expire_logs_days = 7
relay_log = relay-bin
relay_log_recovery = 1
master_info_repository = table
relay_log_info_repository = table
[mysql]
socket = /var/lib/mysql/mysql.sock
[root@wallet01 ~]# mysqld --initialize --user=mysql
......
2019-08-19T02:42:34.290832Z 1 [Note] A temporary password is generated for root@localhost: I9ro5DtK:5sN
[root@wallet01 ~]# service mysqld start
Logging to '/var/lib/mysql/wallet01.err'.
Starting mysqld: [ OK ]
[root@wallet01 ~]# service mysqld status
mysqld (pid 12093) is running...
[root@wallet01 ~]# netstat -tunlp | grep mysqld
tcp 0 0 :::3306 :::* LISTEN 12093/mysqld
[root@wallet01 ~]# mysql_secure_installation
##修改root密码
Enter password for user root:
The existing password for the user account root has expired. Please set a new password.
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.
##删除匿名用户
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.
##禁止root远程登录
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.
##删除测试库
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.
##刷新权限
Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y
Success.
[root@wallet01 ~]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 6
Server version: 5.7.27 MySQL Community Server (GPL)
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> select version();
+-----------+
| version() |
+-----------+
| 5.7.27 |
+-----------+
1 row in set (0.00 sec)
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