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centos脚本编译安装及初始化mysql教程

分类:Mysql教程 来源:网络收集 发布:学长源码 时间:2017-12-17

本文为centos7.3自动化编译安装mysql5.3.6的脚本及后续初始化操作,话不多少,直接上脚本。

安装脚本install.py如下:

#coding=utf-8
#!/usr/bin/python
import os,commands
#定义变量

install_dir = '/data/mysql'
data_dir = '/data/mysql/data'
package_dir = '/data/mysql'
log_dir = '/data/mysql/logs'
current_dir = os.getcwd()
cmake = 'cmake -DCMAKE_INSTALL_PREFIX=%s -DMYSQL_UNIX_ADDR=%s/mysql.sock -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DMYSQL_DATADIR=%s -DMYSQL_TCP_PORT=3306' % (install_dir, install_dir, data_dir)

#安装依赖包
os.system('yum install gcc gcc-c++ gcc-g77 autoconf automake zlib* fiex* libxml* ncurses-devel libmcrypt* libtool-ltdl-devel* make cmake perl -y')
#安装函数
def install_mysql():
 if os.system('groupadd mysql') == 0:
  print 'group mysql add success!'
 else:
  exit('group mysql add failed!')
 if os.system('useradd -r -g mysql -s /bin/false mysql') == 0:
  print 'user mysql add success!'
 else:
  exit('user mysql add failed!')

 if not os.path.exists(install_dir):
  os.system('mkdir -p %s' % install_dir)
 if not os.path.exists(data_dir):
  os.system('mkdir -p %s' % data_dir)
 if not os.path.exists(package_dir):
  os.system('mkdir -p %s' % package_dir)
 if not os.path.exists(log_dir):
  os.system('mkdir -p %s' % log_dir)

 if os.system('tar zxvf mysql-5.6.36.tar.gz') == 0:
  print 'uncompress v success!'
 else:
  exit('uncompress mysql-5.6.36.tar.gz failed!')
 os.chdir('mysql-5.6.36')
 if os.system(cmake) == 0:
  print '编译成功'
 else:
  exit('编译mysql失败')
 if os.system('make && make install') == 0:
  print '编译安装mysql成功'
 else:
  exit('编译安装mysql失败')

 if os.system('chown -R mysql:mysql %s' % install_dir) == 0:
  print '安装目录权限配置成功'
 else:
  exit()
 os.system('chown -R mysql:mysql %s' % data_dir)
 os.system('cd %s && touch mysql-error.log' % log_dir)
 os.system('chown -R mysql:mysql %s' % log_dir)
 os.chdir(install_dir)

 if os.system('./scripts/mysql_install_db --user=mysql --datadir=%s' % data_dir) == 0:
  print 'mysql初始化成功'
 else:
  exit('mysql初始化失败')
  
 os.system('cp support-files/mysql.server /etc/init.d/mysqld')
 os.system('mv /etc/my.cnf /etc/my.cnf.bak')
 os.chdir(current_dir)
 os.system('cp my.cnf /etc/my.cnf')
 os.system('service mysqld start')
 os.system('chkconfig mysqld on')

install_mysql()

if os.path.exists('/etc/profile'):
 os.system('cp /etc/profile /etc/profile.bak')
if os.system('echo "PATH=%s/bin:%s/lib:$PATH" >> /etc/profile' % (install_dir, install_dir)) == 0:
 print '修改/etc/profile成功'
else:
 exit()
if os.system('echo "export PATH" >> /etc/profile') == 0:
 print '修改/etc/profile文件成功'
else:
 exit()

配置文件my.cnf

[mysqld]
basedir = /data/mysql
datadir = /data/mysql/data
tmpdir = /data/mysql
socket = /data/mysql/mysql.sock
skip-external-locking
skip-name-resolve
lower_case_table_names=1
auto_increment_offset = 1 
auto_increment_increment = 2 
#server-id
########## binlog ##########
log_bin = /data/mysql/logs/mysql-bin
binlog_format = row
binlog_cache_size = 2M
expire-logs-days = 7

########## error log ##########
log_error = /data/mysql/logs/mysql-error.log

########## slow log ##########
slow_query_log = 1
slow_query_log_file = /data/mysql/logs/mysql-slow.log
long_query_time = 5

########## per_thread_buffers ##########
max_connections = 1024
max_connect_errors = 1000
key_buffer_size = 64M
max_allowed_packet = 128M
table_open_cache = 6144
table_definition_cache = 4096
sort_buffer_size = 512K
read_buffer_size = 512K
join_buffer_size = 512K
tmp_table_size = 64M
max_heap_table_size = 64M
thread_cache_size = 64
thread_concurrency = 32
bulk_insert_buffer_size = 64M

########innodb########
innodb_buffer_pool_size = 45G
innodb_log_file_size = 500M
innodb_log_buffer_size = 64M
innodb_flush_log_at_trx_commit = 2
innodb_file_per_table = 1
innodb_file_io_threads = 4
innodb_flush_method = O_DIRECT
innodb_thread_concurrency = 0
innodb_additional_mem_pool_size = 16M

[mysqlhotcopy]
interactive-timeout
[mysqld_safe]
open_files_limit = 65535

使用方法:

1.操作系统需要配置yum源
2.操作系统版本:centos7.3
3.将install.py my.cnf 和mysql安装包放一个文件夹

初始化

由于默认情况下编译安装的mysql5.6.36没有密码,命令行直接输入mysql进行登陆,执行以下sql语句

-- 初始化数据
use mysql;
update user set password=PASSWORD("Abcd123") where user='root';
grant all privileges on *.* to weihu@"%" identified by "Abcd123";
delete from mysql.user where user = '';
FLUSH PRIVILEGES;
-- 创建demo数据库
CREATE DATABASE `demo` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
show databases;

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