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[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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