linux系统centOS 7安装 mysql-5.7.21-linux-glibc2.12-x86_64.tar.gz

谁践踏了优雅 2022-04-05 03:08 224阅读 0赞

\#卸载系统自带的Mariadb  
\[root@localhost local\]\# rpm -qa|grep mariadb  
mariadb-libs-5.5.52-1.el7.x86\_64  
\[root@localhost local\]\# rpm -e --nodeps mariadb-libs-5.5.52-1.el7.x86\_64  
  
\#删除etc目录下的my.cnf文件  
\[root@localhost local\]\# rm /etc/my.cnf  
rm: 无法删除"/etc/my.cnf": 没有那个文件或目录  
  
\#检查mysql是否存在  
\[root@localhost local\]\# rpm -qa | grep mysql  
\[root@localhost local\]\#   
  
\#检查mysql组和用户是否存在，如无创建  
\[root@localhost local\]\# cat /etc/group | grep mysql  
\[root@localhost local\]\# cat /etc/passwd | grep mysql  
  
\#创建mysql用户组  
\[root@localhost local\]\# groupadd mysql  
\#创建一个用户名为mysql的用户并加入mysql用户组  
\[root@localhost local\]\# useradd -g mysql mysql  
  
\#制定password 为\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
\[root@localhost local\]\# passwd mysql  
更改用户 mysql 的密码 。  
新的 密码：  
重新输入新的 密码：  
passwd：所有的身份验证令牌已经成功更新。  
  
解压到指定文件夹下  
tar -vxzf mysql-5.7.21-linux-glibc2.12-x86\_64.tar.gz  
mv mysql-5.7.21-linux-glibc2.12-x86\_64/ /usr/local/mysql/  
  
\#更改所属的组和用户  
\[root@localhost local\]\# chown -R mysql mysql/  
\[root@localhost local\]\# chgrp -R mysql mysql/  
\#在mysql文件夹下创建  数据库数据存储目录  data  
\[root@localhost local\]\# cd mysql/  
\[root@localhost mysql\]\# mkdir data  
\[root@localhost mysql\]\# 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  
\[mysql\]  
\# 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=/usr/local/mysql  
\# 设置mysql数据库的数据的存放目录  
datadir=/usr/local/mysql/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  
\[root@localhost mysql\]\# bin/mysql\_install\_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data/  
  
2018-03-07 20:15:37 \[WARNING\] mysql\_install\_db is deprecated. Please consider switching to mysqld --initialize  
2018-03-07 20:15:41 \[WARNING\] The bootstrap log isn't empty:  
2018-03-07 20:15:41 \[WARNING\] 2018-03-07T12:15:38.240438Z 0 \[Warning\] --bootstrap is deprecated. Please consider using --initialize instead  
2018-03-07T12:15:38.281730Z 0 \[Warning\] Changed limits: max\_open\_files: 1024 (requested 5000)  
2018-03-07T12:15:38.281756Z 0 \[Warning\] Changed limits: table\_open\_cache: 407 (requested 2000)  
  
\[root@localhost mysql\]\# cp ./support-files/mysql.server /etc/init.d/mysqld  
\#将脚本文件设置成可执行文件  
\[root@localhost mysql\]\# chown 777 /etc/my.cnf  
\[root@localhost mysql\]\# chmod a+x /etc/init.d/mysqld  
  
\[root@localhost mysql\]\# /etc/init.d/mysqld restart  
 ERROR! MySQL server PID file could not be found!  
Starting MySQL.Logging to '/usr/local/mysql/data/localhost.localdomain.err'.  
. SUCCESS!   
\[root@localhost mysql\]\# killall mysqld  
\[root@localhost mysql\]\# /etc/init.d/mysqld start  
Starting MySQL. SUCCESS!   
\[root@localhost mysql\]\# /etc/init.d/mysqld restart  
Shutting down MySQL.. SUCCESS!   
Starting MySQL. SUCCESS!   
\#设置开机启动  
\[root@localhost mysql\]\# chkconfig --level 35 mysqld on  
\[root@localhost mysql\]\# chkconfig --list mysqld  
注意：该输出结果只显示 SysV 服务，并不包含原生 systemd 服务。SysV 配置数据可能被原生 systemd 配置覆盖。   
      如果您想列出 systemd 服务,请执行 'systemctl list-unit-files'。  
      欲查看对特定 target 启用的服务请执行  
      'systemctl list-dependencies \[target\]'。  
  
mysqld             0:关    1:关    2:开    3:开    4:开    5:开    6:关  
  
\[root@localhost mysql\]\# chmod +x /etc/rc.d/init.d/mysqld  
\[root@localhost mysql\]\# chkconfig --add mysqld  
\[root@localhost mysql\]\# chkconfig --list mysqld  
\[root@localhost mysql\]\# service mysqld status  
 SUCCESS! MySQL running (6272)  
\#编辑  vi /etc/profile  
export PATH=$PATH:/usr/local/mysql/bin  
\[root@localhost mysql\]\# source /etc/profile  
\#获得初始密码  
\[root@localhost bin\]\# cat /root/.mysql\_secret   
\# Password set for user 'root@localhost' at 2018-03-07 20:15:37   
hgfs1Z1uMw2=  
  
\#修改密码  
\[root@localhost bin\]\# mysql -uroot -p  
  
\[root@localhost init.d\]\# mysql -u root -p  
Enter password:   
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)  
\#先关闭mysql  
\[root@localhost init.d\]\# ./mysqld stop  
Shutting down MySQL.. SUCCESS!   
\#使用安全模式登陆，跳过密码验证  
\[root@localhost init.d\]\# mysqld\_safe --user=mysql --skip-grant-tables --skip-networking&  
\[1\] 7059  
\[root@localhost init.d\]\# 2018-03-07T12:50:12.826995Z mysqld\_safe Logging to '/usr/local/mysql/data/localhost.localdomain.err'.  
2018-03-07T12:50:12.861526Z mysqld\_safe Starting mysqld daemon with databases from /usr/local/mysql/data  
\[root@localhost init.d\]\# mysql -uroot  mysql  
Reading table information for completion of table and column names  
You can turn off this feature to get a quicker startup with -A  
  
Welcome to the MySQL monitor.  Commands end with ; or \\g.  
Your MySQL connection id is 2  
Server version: 5.7.21 MySQL Community Server (GPL)  
  
Copyright (c) 2000, 2018, 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> update user set authentication\_string = password('\*\*\*\*\*\*\*\*\*\*\*\*\*\*') where user = 'root' and Host = 'localhost'  
    -> ;  
Query OK, 1 row affected, 1 warning (0.01 sec)  
Rows matched: 1  Changed: 1  Warnings: 1  
  
mysql> flush privileges;  
Query OK, 0 rows affected (0.00 sec)  
  
mysql> exit  
Bye  
\[root@localhost init.d\]\# ls  
functions  mysqld  netconsole  network  README  
\[root@localhost init.d\]\# ./mysqld   
Usage: mysqld  \{start|stop|restart|reload|force-reload|status\}  \[ MySQL server options \]  
\[root@localhost init.d\]\# ./mysqld restart  
Shutting down MySQL..2018-03-07T12:54:40.379190Z mysqld\_safe mysqld from pid file /usr/local/mysql/data/localhost.localdomain.pid ended  
 SUCCESS!   
Starting MySQL. SUCCESS!   
\[1\]+  完成                  mysqld\_safe --user=mysql --skip-grant-tables --skip-networking  
\[root@localhost init.d\]\# mysql -uroot -p  
Enter password:   
Welcome to the MySQL monitor.  Commands end with ; or \\g.  
Your MySQL connection id is 2  
Server version: 5.7.21  
  
Copyright (c) 2000, 2018, 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> show databases  
    -> ;  
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.  
mysql> set password = password ('\*\*\*\*\*\*\*\*\*\*\*\*\*\*');  
Query OK, 0 rows affected, 1 warning (0.00 sec)  
mysql> show databases  
    -> ;  
\+--------------------+  
| Database           |  
\+--------------------+  
| information\_schema |  
| mysql              |  
| performance\_schema |  
| sys                |  
\+--------------------+  
4 rows in set (0.00 sec)  
  
mysql> exit;  
Bye  
\[root@localhost init.d\]\# ps -ef|grep mysql  
root       7407      1  0 20:54 pts/0    00:00:00 /bin/sh /usr/local/mysql/bin/mysqld\_safe --datadir=/usr/local/mysql/data --pid-file=/usr/local/mysql/data/localhost.localdomain.pid  
mysql      7608   7407  0 20:54 pts/0    00:00:00 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --log-error=localhost.localdomain.err --pid-file=/usr/local/mysql/data/localhost.localdomain.pid --port=3306  
root       7660   5149  0 20:57 pts/0    00:00:00 grep --color=auto mysql  
\[root@localhost init.d\]\# ls  
functions  mysqld  netconsole  network  README  
\[root@localhost init.d\]\# ./mysqld stop  
Shutting down MySQL.. SUCCESS!   
\[root@localhost init.d\]\# ps -ef|grep mysql  
root       7696   5149  0 20:57 pts/0    00:00:00 grep --color=auto mysql  
\[root@localhost init.d\]\# reboot  
PolicyKit daemon disconnected from the bus.  
We are no longer a registered authentication agent.  
Connection closing...Socket close.

Connection closed by foreign host.

\#添加远程访问权限  
\[root@localhost ~\]\# mysql -u root -p  
Enter password:   
Welcome to the MySQL monitor.  Commands end with ; or \\g.  
Your MySQL connection id is 2  
Server version: 5.7.21 MySQL Community Server (GPL)  
  
Copyright (c) 2000, 2018, 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> 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.session |  
| localhost | mysql.sys     |  
\+-----------+---------------+  
3 rows in set (0.00 sec)  
\#这里 @‘%’ 表示在任何主机都可以登录  
mysql> create user 'xxx'@'%' identified by '123';  
Query OK, 0 rows affected (0.00 sec)  
\#重启mysql  
\[root@localhost init.d\]\# ./mysqld restart  
Shutting down MySQL.. SUCCESS!   
Starting MySQL. SUCCESS!   
\#为了在任何目录下可以登录mysql  
\[root@localhost init.d\]\# ln -s /usr/local/mysql/bin/mysql   /usr/bin/mysql

![20180307163847223][]

原文网址： [https://blog.csdn.net/wangshuminjava/article/details/80873997][https_blog.csdn.net_wangshuminjava_article_details_80873997]

[20180307163847223]: /images/20220405/a156f850d7cb48f6a985a768c43015d3.png
[https_blog.csdn.net_wangshuminjava_article_details_80873997]: https://blog.csdn.net/wangshuminjava/article/details/80873997