小编给大家分享一下MySQL如何部署，希望大家阅读完这篇文章之后都有所收获，下面让我们一起去探讨吧！

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1.Download
[root@ruozehadoop000 ~]# cd /usr/local
#选择win7的mysql软件包
[root@ruozehadoop000  local]# rz 导入软件包

2.Check isnot install
[root@ruozehadoop000  local]# ps -ef|grep mysqld
root      2493  2423  0 19:48 pts/3    00:00:00 grep mysqld
[root@ruozehadoop000  local]# rpm -qa |grep -i mysql

3.tar and mv
[root@ruozehadoop000  local]# tar -xzvf mysql-5.6.23-linux-glibc2.5-x86_64.tar.gz       解压
[root@ruozehadoop000  local]# mv mysql-5.6.23-linux-glibc2.5-x86_64 MySQL 改名

4.Create group and user
[root@ruozehadoop000  local]# groupadd -g 101 dba  创建dba group
[root@ruozehadoop000  local]# useradd -u 514 -g dba -G root -d /usr/local/mysql mysqladmin    创建mysqladmin用户，添加uid，gid以及组和家目录。

为什么要创建mysqladmin/dba？
1）一个用户只对一个组件

important：copy 环境变量配置文件至mysqladmin用户的home目录中,
为了以下步骤配置个人环境变量
[root@ruozehadoop000  local]# cp /etc/skel/.* /usr/local/mysql   复制环境变量到家目录

5.Create /etc/my.cnf(640) 
[root@sht-sgmhadoopnn-01 ~]# vi /etc/my.cnf     配置cnf文件
[client]
port            = 3306
socket          = /usr/local/mysql/data/mysql.sock
[mysqld]
port            = 3306
socket          = /usr/local/mysql/data/mysql.sock

skip-external-locking
key_buffer_size = 256M
sort_buffer_size = 2M
read_buffer_size = 2M
read_rnd_buffer_size = 4M
query_cache_size= 32M
max_allowed_packet = 16M
myisam_sort_buffer_size=128M
tmp_table_size=32M

table_open_cache = 512
thread_cache_size = 8
wait_timeout = 86400
interactive_timeout = 86400
max_connections = 600

# Try number of CPU's*2 for thread_concurrency
thread_concurrency = 32

#isolation level and default engine
default-storage-engine = INNODB
transaction-isolation = READ-COMMITTED

server-id  = 1
basedir     = /usr/local/mysql
datadir     = /usr/local/mysql/data
pid-file     = /usr/local/mysql/data/hostname.pid

#open performance schema
log-warnings
sysdate-is-now

binlog_format = MIXED
log_bin_trust_function_creators=1
log-error  = /usr/local/mysql/data/hostname.err
log-bin=/usr/local/mysql/arch/mysql-bin
#other logs
#general_log =1
#general_log_file  = /usr/local/mysql/data/general_log.err
#slow_query_log=1
#slow_query_log_file=/usr/local/mysql/data/slow_log.err

#for replication slave
#log-slave-updates
#sync_binlog = 1

#for innodb options
innodb_data_home_dir = /usr/local/mysql/data/
innodb_data_file_path = ibdata1:500M:autoextend
innodb_log_group_home_dir = /usr/local/mysql/arch
innodb_log_files_in_group = 2
innodb_log_file_size = 200M

innodb_buffer_pool_size = 2048M
innodb_additional_mem_pool_size = 50M
innodb_log_buffer_size = 16M

innodb_lock_wait_timeout = 100
#innodb_thread_concurrency = 0
innodb_flush_log_at_trx_commit = 1
innodb_locks_unsafe_for_binlog=1

#innodb io features: add for mysql5.5.8
performance_schema
innodb_read_io_threads=4
innodb-write-io-threads=4
innodb-io-capacity=200
#purge threads change default(0) to 1 for purge
innodb_purge_threads=1
innodb_use_native_aio=on

#case-sensitive file names and separate tablespace
innodb_file_per_table = 1
lower_case_table_names=1

[mysqldump]
quick
max_allowed_packet = 16M

[mysql]
no-auto-rehash

[mysqlhotcopy]
interactive-timeout

[myisamchk]
key_buffer_size = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M

6.chown and chmod privileges and try first install
[root@ruozehadoop000  local]# chown  mysqladmin:dba /etc/my.cnf  修改my.cnf的用户及用户组
[root@ruozehadoop000  local]# chmod  640 /etc/my.cnf   修改其权限

[root@ruozehadoop000  local]# chown -R mysqladmin:dba /usr/local/MySQL 修改MySQL文件夹的用户及用户组 
[root@ruozehadoop000  local]# chmod -R 755 /usr/local/mysql  修改其权限
[root@ruozehadoop000  local]# su - mysqladmin  进入mysqladmin用户
[mysqladmin@ruozehadoop000  ~]$ mkdir arch 创建arch文件夹

安装
[mysqladmin@ruozehadoop000  ~]$ scripts/mysql_install_db  --user=mysqladmin --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data 

7.Configure mysql service and boot auto start
[root@ruozehadoop000  ~]# cd /usr/local/mysql
#将服务文件拷贝到init.d下，并重命名为mysql
[root@ruozehadoop000  mysql]# cp support-files/mysql.server /etc/rc.d/init.d/mysql
#赋予可执行权限
[root@ruozehadoop000  mysql]# chmod +x /etc/rc.d/init.d/mysql
#删除服务
[root@ruozehadoop000  mysql]# chkconfig --del mysql
#添加服务
[root@ruozehadoop000  mysql]# chkconfig --add mysql
[root@ruozehadoop000  mysql]# chkconfig --level 345 mysql on

8.Start mysql and to view process and listening

[root@ruozehadoop000  mysql]# su - mysqladmin
[mysqladmin@ruozehadoop000  ~]$ pwd
/usr/local/mysql
[mysqladmin@ruozehadoop000  ~]$ rm -rf my.cnf       删除同名文件避免混淆
[mysqladmin@ruozehadoop000  ~]$ bin/mysqld_safe &   
不要忘记，按回车键

[mysqladmin@ruozehadoop000  ~]$ ps -ef|grep mysqld     查看mysqld的进程

[mysqladmin@ruozehadoop000  ~]$ netstat -tulnp | grep MySQL  查看端口号

[root@ruozehadoop000  local]# service mysql status 查看mysql的状态

9.Login mysql
[mysqladmin@ruozehadoop000  ~]$ mysql 直接回车1次  空账号 空密码
[mysqladmin@ruozehadoop000  ~]$ mysql -uroot -p 直接回车2次 root 空密码

mysql> show databases;查看数据库

10.Update password and Purge user
mysql> use mysql
Database changed

mysql> select user,host,password from user;查看用户

mysql> update user set password=password('123456') where user='root'; 修改用户密码

mysql> delete from user where user=''; 删除指定用户
mysql> flush privileges;刷新权限

11.Configure .bash_profile
[mysqladmin@sht-sgmhadoopnn-01 ~]$ cat .bash_profile 修改环境变量

export MYSQL_BASE=/usr/local/mysql
export PATH=${MYSQL_BASE}/bin:$PATH

PS1=`uname -n`":"'$USER'":"'$PWD'":>"; export PS1

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