CentOS下安装mysql和解决ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/my
2017-08-31 17:04
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据说centos7没有mysql 的yum源,于是就直接从网上下载mysql的repo源(这个玩意目前还没仔细探究是什么东西,在centos里面应该会涉及到),使用
从网上下载这个rpm包(这里wget 命令是从网络上下载文件的命令一般的格式为wget +url),下载好rpm包后安装这个包
安装好这个rpm包后,开始安装mysql-server
然后我们来测试是否安装成功,这时如果直接像windows下一样输入mysql -uroot -p可能会出现一些错误(ERROR 2002 (HY000): Can‘t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock‘ (2))原因是mysql这个文件的权限问题,需要把这个文件的权限改为当前用户
然后就重启服务重新直接登录root用户
这样就会进入到mysql服务,也就是我们常用的mysql命令行,这时就要来修改root用户的密码了
ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/run/mysqld/mysqld.sock’ (2)
根据提示是/var/run/mysqld/mysqld.sock文件不存在。
启动的时候发现
The server quit without updating PID file (/var/run/mysqld/mysqld.pid)
没有pid文件
到/var/run/mysqld去看一下,空空如野
网上有人说在、var/lib/MySQL下面,去看了一下也没有
、tmp下面也没有
突然发现/var/run/mysqld的用户是root
改之
$ sudo chown mysql:mysql /var/run/mysqld
重启
$ sudo /etc/init.d/mysql restart
问题解决
wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
从网上下载这个rpm包(这里wget 命令是从网络上下载文件的命令一般的格式为wget +url),下载好rpm包后安装这个包
rpm -ivh mysql-community-release-el7-5.noarch.rpm
安装好这个rpm包后,开始安装mysql-server
sudo yum install mysql-server
然后我们来测试是否安装成功,这时如果直接像windows下一样输入mysql -uroot -p可能会出现一些错误(ERROR 2002 (HY000): Can‘t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock‘ (2))原因是mysql这个文件的权限问题,需要把这个文件的权限改为当前用户
sudo chown -R openscanner:openscanner /var/lib/mysql
然后就重启服务重新直接登录root用户
service mysqld restart mysql -u root
这样就会进入到mysql服务,也就是我们常用的mysql命令行,这时就要来修改root用户的密码了
use mysql; update user set password=password('new password') where user='root'; flush privileges;
ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/run/mysqld/mysqld.sock’ (2)
根据提示是/var/run/mysqld/mysqld.sock文件不存在。
启动的时候发现
The server quit without updating PID file (/var/run/mysqld/mysqld.pid)
没有pid文件
到/var/run/mysqld去看一下,空空如野
网上有人说在、var/lib/MySQL下面,去看了一下也没有
、tmp下面也没有
突然发现/var/run/mysqld的用户是root
改之
$ sudo chown mysql:mysql /var/run/mysqld
重启
$ sudo /etc/init.d/mysql restart
问题解决
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