centos 6.5下 mysql-community-server. 5.7.18-1.el6安装

使用下面的命令检查是否安装有MySQL Server

[root@localhost etc]# rpm -qa | grep mysql // 这个命令就会查看该操作系统上是否已经安装了mysql数据库

[root@localhost ~]# rpm -e mysql　　// 普通删除模式[root@localhost ~]# rpm -e --nodeps mysql　　// 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

官网yum repository 下载安装包

[root@localhost ~]# wget http://dev.mysql.com/get/mysql57-community-release-el6-10.noarch.rpm --2017-04-24 18:53:49-- http://dev.mysql.com/get/mysql57-community-release-el6-10.noarch.rpmResolving dev.mysql.com... 137.254.60.11Connecting to dev.mysql.com|137.254.60.11|:80... connected.HTTP request sent, awaiting response... 301 Moved PermanentlyLocation: https://dev.mysql.com/get/mysql57-community-release-el6-10.noarch.rpm [following]--2017-04-24 18:53:49-- https://dev.mysql.com/get/mysql57-community-release-el6-10.noarch.rpmConnecting to dev.mysql.com|137.254.60.11|:443... connected.ERROR: certificate common name “www.mysql.com” doesn't match requested host name “dev.mysql.com”.To connect to dev.mysql.com insecurely, use ‘--no-check-certificate'

[root@localhost ~]# yum localinstall mysql57-community-release-el6-10.noarch.rpmLoaded plugins: fastestmirror, refresh-packagekit, securitySetting up Local Package ProcessExamining mysql57-community-release-el6-10.noarch.rpm: mysql57-community-release-el6-10.noarchMarking mysql57-community-release-el6-10.noarch.rpm to be installedLoading mirror speeds from cached hostfile * base: mirrors.cn99.com * extras: mirrors.cn99.com * updates: mirrors.cn99.comResolving Dependencies--> Running transaction check---> Package mysql57-community-release.noarch 0:el6-10 will be installed--> Finished Dependency ResolutionDependencies Resolved=============================================================================================================================================================================================== Package                      Arch              Version              Repository                             Size===============================================================================================================================================================================================Installing: mysql57-community-release             noarch             el6-10               /mysql57-community-release-el6-10.noarch              30 kTransaction Summary===============================================================================================================================================================================================Install    1 Package(s)Total size: 30 kInstalled size: 30 kIs this ok [y/N]: yDownloading Packages:Running rpm_check_debugRunning Transaction TestTransaction Test SucceededRunning Transaction Installing : mysql57-community-release-el6-10.noarch                                   1/1 Verifying : mysql57-community-release-el6-10.noarch                                     1/1Installed: mysql57-community-release.noarch 0:el6-10                          Complete!

[root@localhost ~]# yum repolist enabled|grep mysqlmysql-connectors-community      MySQL Connectors Community       33mysql-tools-community        MySQL Tools Community          47mysql57-community          MySQL 5.7 Community Server       183

[root@localhost yum.repos.d]# yum install gcc*

[root@localhost yum.repos.d]# yum install -y mysql-community-server　Loaded plugins: fastestmirror, refresh-packagekit, securityLoading mirror speeds from cached hostfile * base: mirrors.cn99.com * extras: mirrors.cn99.com * updates: mirrors.cn99.comSetting up Install ProcessResolving Dependencies--> Running transaction check---> Package mysql-community-server.x86_64 0:5.7.18-1.el6 will be installed--> Processing Dependency: mysql-community-common(x86-64) = 5.7.18-1.el6 for package: mysql-community-server-5.7.18-1.el6.x86_64--> Processing Dependency: mysql-community-client(x86-64) >= 5.7.9 for package: mysql-community-server-5.7.18-1.el6.x86_64--> Running transaction check---> Package mysql-community-client.x86_64 0:5.7.18-1.el6 will be installed--> Processing Dependency: mysql-community-libs(x86-64) >= 5.7.9 for package: mysql-community-client-5.7.18-1.el6.x86_64---> Package mysql-community-common.x86_64 0:5.7.18-1.el6 will be installed--> Running transaction check---> Package mysql-community-libs.x86_64 0:5.7.18-1.el6 will be obsoleting---> Package mysql-libs.x86_64 0:5.1.71-1.el6 will be obsoleted--> Processing Dependency: libmysqlclient.so.16()(64bit) for package: 2:postfix-2.6.6-2.2.el6_1.x86_64--> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16)(64bit) for package: 2:postfix-2.6.6-2.2.el6_1.x86_64--> Running transaction check---> Package mysql-community-libs-compat.x86_64 0:5.7.18-1.el6 will be obsoleting---> Package postfix.x86_64 2:2.6.6-2.2.el6_1 will be updated---> Package postfix.x86_64 2:2.6.6-8.el6 will be an update--> Finished Dependency ResolutionDependencies Resolved============================================================================================================================= Package                 Arch        Version           Repository           Size=============================================================================================================================Installing: mysql-community-libs          x86_64       5.7.18-1.el6         mysql57-community       2.1 M   replacing mysql-libs.x86_64 5.1.71-1.el6 mysql-community-libs-compat       x86_64       5.7.18-1.el6         mysql57-community       1.6 M   replacing mysql-libs.x86_64 5.1.71-1.el6 mysql-community-server         x86_64       5.7.18-1.el6         mysql57-community       152 MInstalling for dependencies: mysql-community-client         x86_64       5.7.18-1.el6         mysql57-community       23 M mysql-community-common         x86_64       5.7.18-1.el6         mysql57-community       328 kUpdating for dependencies: postfix                 x86_64       2:2.6.6-8.el6        base             2.0 MTransaction Summary=============================================================================================================================Install    5 Package(s)Upgrade    1 Package(s)Total size: 180 MTotal download size: 152 MDownloading Packages:mysql-community-server-5.7.18-1.el6.x86_64.rpm                            | 152 MB   01:41  warning: rpmts_HdrFromFdno: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEYRetrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysqlImporting GPG key 0x5072E1F5: Userid : MySQL Release Engineering <mysql-build@oss.oracle.com> Package: mysql57-community-release-el6-10.noarch (@/mysql57-community-release-el6-10.noarch) From  : /etc/pki/rpm-gpg/RPM-GPG-KEY-mysqlRunning rpm_check_debugRunning Transaction TestTransaction Test SucceededRunning Transaction Installing : mysql-community-common-5.7.18-1.el6.x86_64                                1/8 Installing : mysql-community-libs-5.7.18-1.el6.x86_64                                 2/8 Installing : mysql-community-libs-compat-5.7.18-1.el6.x86_64                              3/8 Installing : mysql-community-client-5.7.18-1.el6.x86_64                                4/8 Installing : mysql-community-server-5.7.18-1.el6.x86_64                                5/8 Updating  : 2:postfix-2.6.6-8.el6.x86_64                                       6/8 Cleanup  : 2:postfix-2.6.6-2.2.el6_1.x86_64                                     7/8 Erasing  : mysql-libs-5.1.71-1.el6.x86_64                                      8/8 Verifying : 2:postfix-2.6.6-8.el6.x86_64                                       1/8 Verifying : mysql-community-libs-compat-5.7.18-1.el6.x86_64                              2/8 Verifying : mysql-community-server-5.7.18-1.el6.x86_64                                3/8 Verifying : mysql-community-libs-5.7.18-1.el6.x86_64                                 4/8 Verifying : mysql-community-common-5.7.18-1.el6.x86_64                                5/8 Verifying : mysql-community-client-5.7.18-1.el6.x86_64                                6/8 Verifying : 2:postfix-2.6.6-2.2.el6_1.x86_64                                     7/8 Verifying : mysql-libs-5.1.71-1.el6.x86_64                                      8/8Installed: mysql-community-libs.x86_64 0:5.7.18-1.el6         mysql-community-libs-compat.x86_64 0:5.7.18-1.el6        mysql-community-server.x86_64 0:5.7.18-1.el6       Dependency Installed: mysql-community-client.x86_64 0:5.7.18-1.el6         mysql-community-common.x86_64 0:5.7.18-1.el6        Dependency Updated: postfix.x86_64 2:2.6.6-8.el6                                               Replaced: mysql-libs.x86_64 0:5.1.71-1.el6                        Complete!

[root@localhost yum.repos.d]# service mysqld start　　Initializing MySQL database:                [ OK ]Installing validate password plugin:            [ OK ]Starting mysqld:

[root@localhost yum.repos.d]# killall -TERM mysqld[root@localhost yum.repos.d]# mysqld_safe --skip-grant-tables &[1] 40422[root@localhost yum.repos.d]# 2017-04-25T07:45:39.222061Z mysqld_safe Logging to '/var/log/mysqld.log'.2017-04-25T07:45:39.246117Z mysqld_safe Starting mysqld daemon with databases from /var/lib/mysqlmysql -uroot -pEnter password:Welcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 3Server version: 5.7.18 MySQL Community Server (GPL)Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> use mysqlReading table information for completion of table and column namesYou can turn off this feature to get a quicker startup with -ADatabase changedmysql> select * from users;ERROR 1146 (42S02): Table 'mysql.users' doesn't existmysql> select * from user;mysql> update user set authentication_string=PASSWORD('mysql') where user='root';Query OK, 1 row affected, 1 warning (0.00 sec)Rows matched: 1 Changed: 1 Warnings: 1mysql> quitBye[2]+ Exit 1         mysqld_safe --skip-grant-tables　　[root@localhost yum.repos.d]# service mysqld startStarting mysqld:                      [ OK ][root@localhost yum.repos.d]# mysql -uroot -pEnter password:Welcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 5Server version: 5.7.18 MySQL Community Server (GPL)Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

1、例1：连接到本机上的MYSQL

找到mysql的安装目录，一般可以直接键入命令mysql -uroot -p，回车后提示你输密码，如果刚安装好MYSQL，超级用户root是没有密码的，故直接回车即可进入到MYSQL中

了，MYSQL的提示符是：mysql>

2、连接到远程主机上的MYSQL

假设远程主机的IP为：10.0.0.1，用户名为root,密码为123。则键入以下命令：

mysql -h10.0.0.1 -uroot -p123

配置防火墙

防火墙的3306端口默认没有开启，若要远程访问，需要开启这个端口

打开/etc/sysconfig/iptables

在“-A INPUT –m state --state NEW –m tcp –p tcp –dport 22 –j ACCEPT”，下添加：

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

service iptables restart OK，一切配置完毕，你可以访问你的MySQL了~

注意：增加的开放3306端口的语句一定要在icmp-host-prohibited之前

mysql -uroot -pEnter password: Welcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 3Server version: 5.7.18 MySQL Community Server (GPL)

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.

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