在centos中安装mysql详细步骤说明
Last login: Sun Dec 24 04:55:59 2017
1、安装依赖
[root@node001 ~]# yum install -y perl
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
base | 3.7 kB 00:00
extras | 3.4 kB 00:00
updates | 3.4 kB 00:00
Setting up Install Process
Package 4:perl-5.10.1-144.el6.x86_64 already installed and latest version
Nothing to do
2、 卸载旧版本的mysql及插件
[root@node001 ~]# rpm -qa | grep mysql
mysql-5.1.73-8.el6_8.x86_64
mysql-libs-5.1.73-8.el6_8.x86_64
mysql-server-5.1.73-8.el6_8.x86_64
[root@node001 ~]# rpm -e mysql-5.1.73-8.el6_8.x86_64 --nodeps
[root@node001 ~]# rpm -e mysql-libs-5.1.73-8.el6_8.x86_64 --nodeps
[root@node001 ~]# rpm -e mysql-server-5.1.73-8.el6_8.x86_64 --nodeps
(--nodeps:忽略其他依赖,直接卸载)
3、 安装rpm(4个)
安装包
[root@node001 ~]# tar zxvf mysql.tar.gz
MySQL-client-5.6.28-1.el6.x86_64.rpm
MySQL-devel-5.6.28-1.el6.x86_64.rpm
MySQL-server-5.6.28-1.el6.x86_64.rpm
numactl-2.0.9-2.el6.x86_64.rpm
[root@node001 ~]# rpm -ivh MySQL-client-5.6.28-1.el6.x86_64.rpm
warning: MySQL-client-5.6.28-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ########################################### [100%]
1:MySQL-client ########################################### [100%]
[root@node001 ~]# rpm -ivh MySQL-devel-5.6.28-1.el6.x86_64.rpm
warning: MySQL-devel-5.6.28-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ########################################### [100%]
1:MySQL-devel ########################################### [100%]
[root@node001 ~]# rpm -ivh numactl-2.0.9-2.el6.x86_64.rpm
Preparing... ########################################### [100%]
1:numactl ########################################### [100%]
[root@node001 ~]# rpm -ivh MySQL-server-5.6.28-1.el6.x86_64.rpm
warning: MySQL-server-5.6.28-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ########################################### [100%]
1:MySQL-server ########################################### [100%]
2017-12-24 05:39:08 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestam
p server option (see documentation for more details).2017-12-24 05:39:08 0 [Note] /usr/sbin/mysqld (mysqld 5.6.28) starting as process 1287 ...
2017-12-24 05:39:08 1287 [Note] InnoDB: Using atomics to ref count buffer pool pages
2017-12-24 05:39:08 1287 [Note] InnoDB: The InnoDB memory heap is disabled
2017-12-24 05:39:08 1287 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2017-12-24 05:39:08 1287 [Note] InnoDB: Memory barrier is not used
2017-12-24 05:39:08 1287 [Note] InnoDB: Compressed tables use zlib 1.2.3
2017-12-24 05:39:08 1287 [Note] InnoDB: Using Linux native AIO
2017-12-24 05:39:08 1287 [Note] InnoDB: Using CPU crc32 instructions
2017-12-24 05:39:08 1287 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2017-12-24 05:39:08 1287 [Note] InnoDB: Completed initialization of buffer pool
2017-12-24 05:39:08 1287 [Note] InnoDB: The first specified data file ./ibdata1 did not exist: a new database to be created
.............................
The latest information about MySQL is available on the web at
http://www.mysql.com
Support MySQL by buying support/licenses at http://shop.mysql.com
New default config file was created as /usr/my.cnf and
will be used by default by the server when you start it.
You may edit this file to change server settings
4、上传mysql配置文件my.cnf
[root@node001 ~]# cd /etc
上传文件
[root@node001 etc]# ls /etc/my.cnf
/etc/my.cnf
5、初始化
[root@node001 etc]# /usr/bin/mysql_install_db
Installing MySQL system tables...2017-12-24 05:41:57 0 [Note] /usr/sbin/mysqld (mysqld 5.6.28-log) starting as process 1353 ...
2017-12-24 05:41:57 1353 [Note] InnoDB: Using atomics to ref count buffer pool pages
2017-12-24 05:41:57 1353 [Note] InnoDB: The InnoDB memory heap is disabled
2017-12-24 05:41:57 1353 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2017-12-24 05:41:57 1353 [Note] InnoDB: Memory barrier is not used
2017-12-24 05:41:57 1353 [Note] InnoDB: Compressed tables use zlib 1.2.3
2017-12-24 05:41:57 1353 [Note] InnoDB: Using Linux native AIO
2017-12-24 05:41:57 1353 [Note] InnoDB: Using CPU crc32 instructions
2017-12-24 05:41:57 1353 [Note] InnoDB: Initializing buffer pool, size = 64.0M
2017-12-24 05:41:57 1353 [Note] InnoDB: Completed initialization of buffer pool
2017-12-24 05:41:57 1353 [Note] InnoDB: Highest supported file format is Barracuda.
2017-12-24 05:41:57 1353 [Warning] InnoDB: Resizing redo log from 2*3072 to 3*2048 pages, LSN=1625987
....................
WARNING: Default config file /etc/my.cnf exists on the system
This file will be read by default by the MySQL server
If you do not want to use this, either remove it, or use the
--defaults-file argument to mysqld_safe when starting the server
6、 启动mysql
[root@node001 etc]# service mysql start
Starting MySQL....... SUCCESS!
7、重置密码
查看初始化密码
[root@node001 etc]# cat /root/.mysql_secret
# The random password set for the root user at Sun Dec 24 05:39:11 2017 (local time): DMBe85LznCxRo16N
[root@node001 etc]# mysql -u root -pDMBe85LznCxRo16N
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.28-log
Copyright (c) 2000, 2015, 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> set password=password('mysql');
Query OK, 0 rows affected (0.00 sec)
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
4 rows in set (0.00 sec)
8、远程授权
原因:默认远程无法连接
授权命令:
mysql> grant all privileges on *.* to 'root'@'%' identified by 'mysql' with grant option;
Query OK, 0 rows affected (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)
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