CentOS下mysql 卸载 安装 测验全过程
发布时间：2022-07-05 11:48:38 所属栏目：MySql教程 来源：互联网
导读：Mysql卸载 yum remove mysql mysql-server mysql-libs compat-mysql51 rm -rf /var/lib/mysql rm /etc/my.cnf 查看是否还有mysql软件： rpm -qa|grep mysql 有的话继续删除 Mysql安装 1若本地没有安装包 可以考虑使用yum命令进行下载 # yum -y install mysql
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Mysql卸载 yum remove mysql mysql-server mysql-libs compat-mysql51 rm -rf /var/lib/mysql rm /etc/my.cnf 查看是否还有mysql软件： rpm -qa|grep mysql 有的话继续删除 Mysql安装 1>若本地没有安装包 可以考虑使用yum命令进行下载 # yum -y install mysql-server # yum -y install php-mysql 2>安装后，MySQL自动启动， 【linux教程】 ，默认没有用户名和密码，设置新密码 # /usr/bin/mysqladmin -u root password 'aaaaaa' [root@luozhonghua ~]# /usr/bin/mysqladmin -u root password 'aaaaaa' /usr/bin/mysqladmin: connect to server at 'localhost' failed error: 'Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)' Check that mysqld is running and that the socket: '/var/lib/mysql/mysql.sock' exists! 解决： 2.1》/etc/rc.d/init.d/mysqld status 看看mysql是否已经启动 3.2》service mysqld start 3>登录MySQL > mysql -u root -p enter password:’aaaaaa’ 4>赋权连接的主机 #grant select,insert,update,delete on *.* to root@192.168.1.101 identified by 'aaaaaa' grant select,insert,update,delete on *.* to root@127.0.0.1 identified by 'aaaaaa'; 5>更改默认字符集 # cp my-medium.cnf /etc/my.cnf 在[client]下加入 default-character-set=utf8 在[mysqld]下加入 default-character-set=utf8 查找安装路径 Rpm -qa | grep mysql Rpm -ql 包名 [root@luozhonghua charsets]# find /usr -name my-medium.cnf /usr/share/doc/mysql-server-5.1.73/my-medium.cnf /usr/share/mysql/my-medium.cnf #6>设置mysql开机自启动 # vi /etc/rc.local 加入如下一行 #/usr/share/mysql/mysql.server start 7>重新启动MySQL # /etc/init.d/mysql restart service mysqld restart 8>测试; [root@luozhonghua ~]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 3 Server version: 5.1.73 Source distribution mysql> use xxx; Database changed mysql> show database -> ; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual th at corresponds to your MySQL server version for the right syntax to use near 'database' at line 1 mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | test | | xxx | +--------------------+ 4 rows in set (0.01 sec) mysql> create table dbtest ( -> id int , -> name varchar); ERROR 1064 (42000): You have an error in your SQL syntax; check the manual th at corresponds to your MySQL server version for the right syntax to use near ')' at line 3 mysql> create table dbtest ( -> id int, -> name varchar(10)); Query OK, 0 rows affected (0.07 sec) （编辑：财气旺网 - 财气网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
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