Linux(centos6.8)配置Mysql环境视频教程

https://downloads.mysql.com/archives/community/

[root@pluto 桌面]# ps -ef|grep mysql

root       7921   6778  0 23:00 pts/3    00:00:00 grep mysql

[root@pluto 桌面]# rpm -qa|grep  mysql

mysql-libs-5.1.73-7.el6.x86_64

[root@pluto 桌面]# uname -a

Linux pluto.pluto 2.6.32-642.el6.x86_64 #1 SMP Tue May 10 17:27:01 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

#普通删除模式

[root@pluto 桌面]# rpm -e mysql-libs

error: Failed dependencies:

libmysqlclient.so.16()(64bit) is needed by (installed) postfix-2:2.6.6-6.el6_7.1.x86_64

libmysqlclient.so.16(libmysqlclient_16)(64bit) is needed by (installed) postfix-2:2.6.6-6.el6_7.1.x86_64

mysql-libs is needed by (installed) postfix-2:2.6.6-6.el6_7.1.x86_64

#强力删除模式，如果使用上面命令删除时，提示有依赖的其它文件，则用该命令可以对其进行强力删除

[root@pluto 桌面]# rpm -e --nodeps mysql-libs

[root@pluto opt]# rpm -ivh MySQL-server-5.5.48-1.linux2.6.i386.rpm

[root@pluto opt]# rpm -ivh MySQL-client-5.5.48-1.linux2.6.i386.rpm

[root@pluto opt]# rpm -ivh MySQL-server-5.5.48-1.linux2.6.i386.rpm

warning: MySQL-server-5.5.48-1.linux2.6.i386.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

error: Failed dependencies:

libaio.so.1 is needed by MySQL-server-5.5.48-1.linux2.6.i386

libaio.so.1(LIBAIO_0.1) is needed by MySQL-server-5.5.48-1.linux2.6.i386

libaio.so.1(LIBAIO_0.4) is needed by MySQL-server-5.5.48-1.linux2.6.i386

#出现error:libaio.so.1则执行以下命令

[root@pluto opt]# yum install libaio.so.1

[root@pluto opt]# rpm -ivh MySQL-client-5.5.48-1.linux2.6.i386.rpm

warning: MySQL-client-5.5.48-1.linux2.6.i386.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

error: Failed dependencies:

libncurses.so.5 is needed by MySQL-client-5.5.48-1.linux2.6.i386

#出现libncurses.so.5则执行以下命令

[root@pluto opt]# yum install libncurses.so.5

[root@pluto 桌面]# cat /etc/passwd|grep mysql

mysql:x:496:493:MySQL server:/var/lib/mysql:/bin/bash

[root@pluto 桌面]# cat /etc/group|grep mysql

mysql:x:493:

[root@pluto 桌面]# mysqladmin --version

mysqladmin  Ver 8.42 Distrib 5.5.48, for Linux on i686

#启用mysql服务

[root@pluto 桌面]# service mysql start

Starting MySQL....                                         [确定]

#停止mysql服务

[root@pluto 桌面]# service mysql stop

Starting MySQL....                                         [确定]

[root@pluto 桌面]# /usr/bin/mysqladmin -u root password 123456

#将mysql加入自启动

[root@pluto 桌面]# chkconfig mysql on

[root@pluto 桌面]# chkconfig --list | grep mysql

mysql           0:关闭 1:关闭 2:启用 3:启用 4:启用 5:启用 6:关闭

#查看runlevel

[root@pluto 桌面]# cat /etc/inittab

#查看开启启动的服务，带*表示为开机启动的服务

[root@pluto 桌面]# ntsysv

[root@pluto 桌面]# ps -ef|grep mysql

root       8530      1  0 23:23 pts/1    00:00:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-file=/var/lib/mysql/pluto.pluto.pid

mysql      8621   8530  0 23:23 pts/1    00:00:00 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/mysql/plugin --user=mysql --log-error=/var/lib/mysql/pluto.pluto.err --pid-file=/var/lib/mysql/pluto.pluto.pid

root       8750   8229  0 23:34 pts/1    00:00:00 grep mysql

[root@pluto 桌面]# cd /var/lib/mysql/

[root@pluto mysql]# ls -l

[root@pluto mysql]# cp /usr/share/mysql/my-huge.cnf /etc/my.cnf

mysql> show variables like 'character%';

mysql> show variables like '%char%';

[root@pluto etc]# vim /etc/my.cnf

[client]

#password       = your_password

port            = 3306

socket          = /var/lib/mysql/mysql.sock

default-character-set=utf8

[mysqld]

port            = 3306

character_set_server=utf8

character_set_client=utf8

collation-server=utf8_general_ci

socket          = /var/lib/mysql/mysql.sock

skip-external-locking

key_buffer_size = 384M

max_allowed_packet = 1M

table_open_cache = 512

sort_buffer_size = 2M

read_buffer_size = 2M

read_rnd_buffer_size = 8M

myisam_sort_buffer_size = 64M

thread_cache_size = 8

query_cache_size = 32M

# Try number of CPU's*2 for thread_concurrency

thread_concurrency = 8

[mysql]

no-auto-rehash

default-character-set=utf8

[root@pluto etc]# service mysql restart

Shutting down MySQL.                                       [确定]

Starting MySQL..                                           [确定]

https://www.cnblogs.com/happyhuangjinjin/p/8244851.html

https://zhidao.baidu.com/question/1771404477336032980.html

mysql> grant all privileges on *.* to root@'%' identified by '123456';

https://www.cnblogs.com/xxoome/p/6884376.html

[root@pluto 桌面]# vim /etc/sysconfig/iptables

-A INPUT -m state --state NEW -m tcp -p tcp --dport 3306 -j ACCEPT

[root@pluto 桌面]# service iptables restart