centos7 离线安装mysql
2022/1/19 2:09:37
本文主要是介绍centos7 离线安装mysql,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
linux版本:Centois7
mysql版本:mysql-8.0.16
一、安装
1、下载mysql离线安装包
下载地址:https://dev.mysql.com/downloads/mysql/
选择如下:
【Red Hat Enterprise Linux 7 / Oracle Linux】
【Red Hat Enterprise Linux 7 / Oracle Linux 7 (x86, 64-bit)】
2、上传tar包至服务器
3、删除原有的mariadb
先查看一下是否已经安装了,命令:rpm -qa|grep mariadb
删除mariadb,命令:rpm -e --nodeps mariadb-libs
4、解压缩mysql离线安装包
cd /home/soft
tar -xvf mysql-8.0.16-2.el7.x86_64.rpm-bundle.tar
解压缩之后,包含以下rpm包
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mysql-community-libs-8.0.16-2.el7.x86_64.rpm
mysql-community-embedded-compat-8.0.16-2.el7.x86_64.rpm
mysql-community-devel-8.0.16-2.el7.x86_64.rpm
mysql-community-server-8.0.16-2.el7.x86_64.rpm
mysql-community-libs-compat-8.0.16-2.el7.x86_64.rpm
mysql-community-client-8.0.16-2.el7.x86_64.rpm
mysql-community-common-8.0.16-2.el7.x86_64.rpm
mysql-community-test-8.0.16-2.el7.x86_64.rpm
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5、安装rmp包
逐个安装,命令如下:
【必须安装】
rpm -ivh mysql-community-common-8.0.16-2.el7.x86_64.rpm
rpm -ivh mysql-community-libs-8.0.16-2.el7.x86_64.rpm
rpm -ivh mysql-community-client-8.0.16-2.el7.x86_64.rpm
rpm -ivh mysql-community-server-8.0.16-2.el7.x86_64.rpm
【非必须安装】
rpm -ivh mysql-community-libs-compat-8.0.16-2.el7.x86_64.rpm
rpm -ivh mysql-community-embedded-compat-8.0.16-2.el7.x86_64.rpm
rpm -ivh mysql-community-devel-8.0.16-2.el7.x86_64.rpm
rpm -ivh mysql-community-test-8.0.16-2.el7.x86_64.rpm
出现错误1:
warning: mysql-community-devel-8.0.16-2.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:
pkgconfig(openssl) is needed by mysql-community-devel-8.0.16-2.el7.x86_64
解决办法1:
yum install openssl-devel.x86_64 openssl.x86_64 -y
出现问题2:
warning: mysql-community-test-8.0.16-2.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:
perl(Data::Dumper) is needed by mysql-community-test-8.0.16-2.el7.x86_64
perl(JSON) is needed by mysql-community-test-8.0.16-2.el7.x86_64
解决办法2:
yum install perl.x86_64 perl-devel.x86_64 -y
yum install perl-JSON.noarch -y
yum -y install autoconf
二、服务启停
1、查看服务状态
命令:systemctl status mysqld
2、停止服务
命令:service mysqld stop
3、初始化数据库
命令:mysqld --initialize --console
4、目录授权
命令:chown -R mysql:mysql /var/lib/mysql/
5、启动mysql服务
命令:systemctl start mysqld
命令:systemctl status mysqld
三、数据库操作
1、查看临时密码:
命令:cat /var/log/mysqld.log
2、用临时密码登录数据库
命令:mysql -u root -p 回车键
然后输入临时密码(输入时不会显示出来,输入完直接回车)
3、修改mysql密码
命令:alter USER ‘root’@‘localhost’ IDENTIFIED BY ‘123456’;
4、授权远程连接
命令:show databases;
命令:use mysql;
命令:select host, user, authentication_string, plugin from user;
命令:update user set host = “%” where user=‘root’;
命令:select host, user, authentication_string, plugin from user;
命令:flush privileges;
尝试使用navacat远程连接,会出现如下错误
2059 - Authenticationplugin‘caching_sha2_password’ cannot be loaded:XXXXX
解决办法:
命令:mysql -u root -p(回车后,输入更改后的密码123456)
命令:use mysql;
命令:alter USER ‘root’@’%’ IDENTIFIED WITH mysql_native_password BY ‘123456’;
命令:flush privileges;
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备注:
mysql8 之前的版本中加密规则是mysql_native_password,而在mysql8之后,加密规则是caching_sha2_password。
解决问题方法有两种:
方法1.升级navicat驱动;
方法2.把mysql用户登录密码加密规则还原成mysql_native_password.。
此处我使用的是方法2。
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再次从navicat尝试连接mysql,测试成功。
四、在阿里云ECS云服务器上再次进行安装时遇到的问题
阿里云ECS系统环境:Centos8
问题1
在执行rpm -ivh rpm -ivh mysql-community-libs-8.0.16-2.el7.x86_64.rpm的时候,报错如下:
解决办法:
下载并安装compat-openssl10-1.0.2o-3.el8.x86_64.rpm
问题2
在执行rpm -ivh mysql-community-server-8.0.16-2.el7.x86_64.rpm之后,报如下错误;
解决办法:
按照提示,修改文件中的路径之后,重新执行rpm命令即可
vim /usr/lib/tmpfiles.d/libstoragemgmt.conf
vim /usr/lib/tmpfiles.d/mysql.conf
vim /usr/lib/tmpfiles.d/mdadm.conf
问题3
使用命令systemctl start mysqld启动mysql的时候,启动失败,通过cat /var/log/mysqld.log命令查看日志,发现以下错误
The innodb_system data file ‘ibdata1’ must be writable
解决办法:
修改目录权限。命令:chmod -R 777 /var/lib/mysql
本文引用地址:https://www.cnblogs.com/quchunhui/p/11115339.html
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