centos7 + mysql5.7 tar包解压安装

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#卸载系统自带的Mariadb [root@hdp265dnsnfs ~]# rpm -qa|grep mariadb mariadb-libs-5.5.44-2.el7.centos.x86_64 [root@hdp265dnsnfs ~]# rpm -e --nodeps mariadb-libs-5.5.44-2.el7.centos.x86_64   #删除etc目录下的my.cnf文件   [root@hdp265dnsnfs ~]# rm /etc/my.cnf rm: cannot remove ?etc/my.cnf? No such file or directory   #检查mysql是否存在 [root@hdp265dnsnfs ~]# rpm -qa | grep mysql [root@hdp265dnsnfs ~]#   #检查mysql组和用户是否存在，如无创建 [root@hdp265dnsnfs ~]# cat /etc/group | grep mysql [root@hdp265dnsnfs ~]#  cat /etc/passwd | grep mysql   #创建mysql用户组 [root@hdp265dnsnfs ~]# groupadd mysql #创建一个用户名为mysql的用户并加入mysql用户组 [root@hdp265dnsnfs ~]# useradd -g mysql mysql #制定password 为111111 [root@hdp265dnsnfs ~]# passwd mysql Changing password for user mysql. New password: BAD PASSWORD: The password is a palindrome Retype new password: passwd: all authentication tokens updated successfully.   #由于我的/usr/local空间不足，所以我安装到/var [root@hdp265dnsnfs var]# tar -zxvf mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz [root@hdp265dnsnfs var]# mv mysql-5.7.18-linux-glibc2.5-x86_64/ mysql57   #更改所属的组和用户 [root@hdp265dnsnfs var]# chown -R mysql mysql57/ [root@hdp265dnsnfs var]# chgrp -R mysql mysql57/ [root@hdp265dnsnfs var]# cd mysql57/   [root@hdp265dnsnfs mysql57]# mkdir data   [root@hdp265dnsnfs mysql57]# chown -R mysql:mysql data

在etc下新建配置文件my.cnf，并在该文件内添加以下配置

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[mysql] # 设置mysql客户端默认字符集 default-character-set=utf8 [mysqld] skip-name-resolve #设置3306端口 port = 3306 # 设置mysql的安装目录 basedir=/var/mysql57 # 设置mysql数据库的数据的存放目录 datadir=/var/mysql57/data # 允许最大连接数 max_connections=200 # 服务端使用的字符集默认为8比特编码的latin1字符集 character-set-server=utf8 # 创建新表时将使用的默认存储引擎 default-storage-engine=INNODB lower_case_table_names=1 max_allowed_packet=16M

安装和初始化

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[root@hdp265dnsnfs mysql57]# bin/mysql_install_db --user=mysql --basedir=/var/mysql57/ --datadir=/var/mysql57/data/ 2017-04-17 17:40:02 [WARNING] mysql_install_db is deprecated. Please consider switching to mysqld --initialize 2017-04-17 17:40:05 [WARNING] The bootstrap log isn't empty: 2017-04-17 17:40:05 [WARNING] 2017-04-17T09:40:02.728710Z 0 [Warning] --bootstrap is deprecated. Please consider using --initialize instead 2017-04-17T09:40:02.729161Z 0 [Warning] Changed limits: max_open_files: 1024 (requested 5000) 2017-04-17T09:40:02.729167Z 0 [Warning] Changed limits: table_open_cache: 407 (requested 2000)

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[root@hdp265dnsnfs mysql57]# cp ./support-files/mysql.server /etc/init.d/mysqld [root@hdp265dnsnfs mysql57]# chown 777 /etc/my.cnf [root@hdp265dnsnfs mysql57]# chmod +x /etc/init.d/mysqld

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[root@hdp265dnsnfs mysql57]# /etc/init.d/mysqld restart Shutting down MySQL.. SUCCESS! Starting MySQL. SUCCESS!   #设置开机启动   [root@hdp265dnsnfs mysql57]# chkconfig --level 35 mysqld on [root@hdp265dnsnfs mysql57]# chkconfig --list mysqld   [root@hdp265dnsnfs mysql57]# chmod +x /etc/rc.d/init.d/mysqld [root@hdp265dnsnfs mysql57]# chkconfig --add mysqld [root@hdp265dnsnfs mysql57]# chkconfig --list mysqld [root@hdp265dnsnfs mysql57]# service mysqld status  SUCCESS! MySQL running (4475)

etc/profile/

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export PATH=$PATH:/var/mysql57/bin   [root@hdp265dnsnfs mysql57]# source /etc/profile

获得初始密码

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[root@hdp265dnsnfs bin]# cat /root/.mysql_secret  # Password set for user 'root@localhost' at 2017-04-17 17:40:02 _pB*3VZl5T<6

修改密码

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[root@hdp265dnsnfs bin]# mysql -uroot -p Enter password: Welcome to the MySQL monitor.  Commands end with ; or \g. Your MySQL connection id is 5 Server version: 5.7.18   Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.   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.   mysql> set PASSWORD = PASSWORD('111111'); Query OK, 0 rows affected, 1 warning (0.00 sec)   mysql> flush privileges; Query OK, 0 rows affected (0.01 sec)

　添加远程访问权限

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mysql> use mysql Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A   Database changed   mysql> update user set host='%' where user='root'; Query OK, 1 row affected (0.00 sec) Rows matched: 1  Changed: 1  Warnings: 0   mysql> select host,user from user; +-----------+-----------+ | host      | user      | +-----------+-----------+ | %         | root      | | localhost | mysql.sys | +-----------+-----------+ 2 rows in set (0.00 sec)     create user 'xxx'@'%' identified by '123';  这里 @‘%’ 表示在任何主机都可以登录

　重启生效

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/bin/systemctl restart  mysql.service   [root@hdp265dnsnfs bin]# /etc/init.d/mysqld restart Shutting down MySQL.. SUCCESS! Starting MySQL. SUCCESS!      为了在任何目录下可以登录mysql   ln -s /var/mysql57/bin/mysql   /usr/bin/mysql

遇到的问题解决：

　　

　　

　

https://www.cnblogs.com/dadadechengzi/p/6723686.html