CentOS安装使用二进制方式mysql5.6笔记

CentOS安装使用二进制方式MySQL5.6笔记

1、上传安装包--使用root用户

2、解压安装包--使用root用户
cd /usr/local/
tar xzvf mysql-5.6.23-linux-glibc2.5-x86_64.tar.gz
mv mysql-5.6.23-linux-glibc2.5-x86_64 mysql

3、创建mysql管理用户组与用户--使用root用户
   groupadd -g 101 dba
   useradd -u 514 -g dba -G root -d /usr/local/mysql mysqladmin
   验证：id mysqladmin
   
4、修改mysqladmin用户密码--使用root用户
   passwd mysqladmin
   提示：
     Changing password for user mysqladmin.
New UNIX password: 
BAD PASSWORD: it is too simplistic/systematic
Retype new UNIX password: 
passwd: all authentication tokens updated successfully.
 
5、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--使用root用户
   cp /etc/skel/.* /usr/local/mysql
   提示：
     cp: omitting directory `/etc/skel/.'
     cp: omitting directory `/etc/skel/..'
     cp: omitting directory `/etc/skel/.mozilla'

6、修改/etc/my.cnf文件，并删除原文件内容，将以下内容填写到my.cnf文件中--使用root用户
   vi /etc/my.cnf
   
[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

7、修改/etc/my.cnf文件用户组与用户、权限--使用root用户
   cd /usr/local
   chown  mysqladmin:dba /etc/my.cnf
   chmod  640 /etc/my.cnf
   验证：
     ll my.cnf
     -rw-r----- 1 mysqladmin dba 2201 Dec 19 11:19:40 my.cnf

8、修改mysql安装文件用户组与用户、权限--使用root用户
   chown -R mysqladmin:dba /usr/local/mysql
   chmod -R 755 /usr/local/mysql
   su - mysqladmin
   pwd显示：/usr/local/mysql

9、创建arch目录--使用mysqladmin用户
   cd /usr/local/mysql
   mkdir arch

10、检查gcc、libaio、perl以及perl-devel包是否安装
   rpm -qa|grep gcc libaio perl perl-devel
   如未安装，则使用yum方式安装：yum -y install libaio、yum -y install gcc、yum -y install perl

11、二进制安装
   scripts/mysql_install_db  --user=mysqladmin --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data
   提示：
     Installing MySQL system tables...2017-12-19 11:39:15 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
     OK
     Filling help tables...2017-12-19 11:39:15 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
     OK
     
To start mysqld at boot time you have to copy
support-files/mysql.server to the right place for your system

PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
To do so, start the server, then issue the following commands:

  ./bin/mysqladmin -u root password 'new-password'
  ./bin/mysqladmin -u root -h sht-sgmhadoopnn-01 password 'new-password'

Alternatively you can run:

  ./bin/mysql_secure_installation

which will also give you the option of removing the test
databases and anonymous user created by default.  This is
strongly recommended for production servers.

See the manual for more instructions.

You can start the MySQL daemon with:

  cd . ; ./bin/mysqld_safe &

You can test the MySQL daemon with mysql-test-run.pl

  cd mysql-test ; perl mysql-test-run.pl

Please report any problems at http://bugs.mysql.com/

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 ./my.cnf and
will be used by default by the server when you start it.
You may edit this file to change server settings

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


12、启动mysql--使用mysqladmin用户
    su - mysqladmin
    cd /usr/local/mysql
    rm -rf my.cnf
    bin/mysqld_safe &
    验证是否启动：ps -ef|grep mysqld、netstat -tulnp | grep mysql

13、登录mysql，并修改mysql中的root密码内容--使用mysqladmin用户
   mysql  
   mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| test               |
+--------------------+
注：如mysql数据库名称，则退出(exit)使用：mysql -uroot -p，提示输入密码时直接回车
   mysql> use mysql
   mysql> update user set password=password('123456') where user='root';
   mysql> select host,user,password from user;
   mysql> delete from user where user='';
   mysql> select host,user,password from user;
   mysql> flush privileges;


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