CentOS7 64位安装mysql5.7(linux)
2017-06-13 21:19
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1 首先安装完成jdk,方法如上一篇文章 如果wget命令无效则输入如下指令安装(command not found):
yum -y install wget2 安装mysql -yum源,可以自己下载,下载地址(百度搜索mysql yum源): https://dev.mysql.com/downloads/repo/yum/ 下载完成后可以透过远程软件传到linux文件夹中,也可以用wget自行在linux环境下载3 安装yum源,输入命令
[root@localhost soft]# yum localinstall mysql57-community-release-el7-11.noarch.rpm 已加载插件:fastestmirror 正在检查 mysql57-community-release-el7-11.noarch.rpm: mysql57-community-release-el7-11.noarch mysql57-community-release-el7-11.noarch.rpm 将被安装 正在解决依赖关系 --> 正在检查事务 ---> 软件包 mysql57-community-release.noarch.0.el7-11 将被 安装 --> 解决依赖关系完成 依赖关系解决 ================================================================================ Package 架构 版本 源 大小 ================================================================================ 正在安装: mysql57-community-release noarch el7-11 /mysql57-community-release-el7-11.noarch 31 k 事务概要 ================================================================================ 安装 1 软件包 总计:31 k 安装大小:31 k Is this ok [y/d/N]: y Downloading packages: Running transaction check Running transaction test Transaction test succeeded Running transaction 正在安装 : mysql57-community-release-el7-11.noarch 1/1 验证中 : mysql57-community-release-el7-11.noarch 1/1 已安装: mysql57-community-release.noarch 0:el7-11 完毕!4 下载并安装mysql,输入命令,看到如下图 a. 安装之前可以输入如下命令,检查yum源是否安装成功
yum repolist enabled | grep "mysql.*-community.*"b.输入如下命令开始安装
yum install mysql-community-server5. 启动mysqlservice mysqld start //启动mysqlchkconfig --add mysqld //加入系统服务chkconfig mysqld on //开机自动启动
systemctl start mysqld #启动mysql
systemctl enable mysqld #设置开机启动 systemctl daemon-reload6.登录mysqlmysql安装成功后会生成一个随机密码,存放在/var/log/mysqld.log
grep 'temporary password' /var/log/mysqld.log
2017-06-13T14:30:34.802886Z 1 [Note] A temporary password is generated for root@localhost: dsA&abJxe7Ju
mysql -uroot -p #输入上面获取到的初始密码进入mysql修改密码打开找到密码并登陆set password = password('root') 如果不允许设置简单密码,则输入这两句,第一句表示可以设定纯数字或字母,第二句表示密码长度最低4位
mysql> set global validate_password_policy=0; Query OK, 0 rows affected (0.00 sec) mysql> set global validate_password_length=4; Query OK, 0 rows affected (0.01 sec)
set password=password('root'); Query OK, 0 rows affected, 1 warning (0.00 sec)7.开启 允许mysql远程登录(mysql默认只能本地登录)登录mysql后输入如下命令
mysql> grant all privileges on *.* to 'root' @'%' identified by 'root'; Query OK, 0 rows affected, 1 warning (0.00 sec) mysql> flush privileges;8.开启Linux 3306对外访问的端口
[root@localhost /]# /sbin/iptables -I INPUT -p tcp --dport 3306 -j ACCEPT [root@localhost /]# /etc/rc.d/init.d/iptables save #将设置保存到防火墙内9.配置默认编码为UTF-8修改/etc/my.cnf文件,在[mysqld]下面配置:
[mysqld] character_se_server=utf8 init_connect='SET NAMES utf8'
也可以在mysql窗口内输入:mysql> SET character_set_client = utf8 ; mysql> SET character_set_connection = utf8 ; mysql> SET character_set_database = utf8 ; mysql> SET character_set_results = utf8 ; mysql> SET character_set_server = utf8 ; mysql> SET collation_connection = utf8 ; mysql> SET collation_database = utf8 ; mysql> SET collation_server = utf8 10.尝试远程连接,完成mysql安装
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