参考官网
https://dev.mysql.com/doc/refman/8.0/en/linux-installation-yum-repo.html
下载yum仓库安装文件
https://dev.mysql.com/downloads/repo/yum/
下载对应的yum rpm包，此过程需要登录oracle账号，获取下载连接
wget https://dev.mysql.com/get/mysql80-community-release-el7-1.noarch.rpm
[root@localhost home]# ls -la mysql80-community-release-el7-1.noarch.rpm
-rw-r--r--. 1 root root 25820 Apr 18 13:24 mysql80-community-release-el7-1.noarch.rpm
[root@localhost home]#
安装yum仓库
[root@localhost home]# yum localinstall mysql80-community-release-el7-1.noarch.rpm
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Examining mysql80-community-release-el7-1.noarch.rpm: mysql80-community-release-el7-1.noarch
Marking mysql80-community-release-el7-1.noarch.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package mysql80-community-release.noarch 0:el7-1 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=============================================================================================================================================================
Package Arch Version Repository Size
=============================================================================================================================================================
Installing:
mysql80-community-release noarch el7-1 /mysql80-community-release-el7-1.noarch 31 k
Transaction Summary
=============================================================================================================================================================
Install 1 Package
Total size: 31 k
Installed size: 31 k
Is this ok [y/d/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Warning: RPMDB altered outside of yum.
** Found 6 pre-existing rpmdb problem(s), 'yum check' output follows:
ipa-admintools-4.4.0-12.el7.noarch has installed conflicts freeipa-admintools: ipa-admintools-4.4.0-12.el7.noarch
ipa-client-4.4.0-12.el7.x86_64 has installed conflicts freeipa-client: ipa-client-4.4.0-12.el7.x86_64
ipa-client-common-4.4.0-12.el7.noarch has installed conflicts freeipa-client-common: ipa-client-common-4.4.0-12.el7.noarch
ipa-common-4.4.0-12.el7.noarch has installed conflicts freeipa-common: ipa-common-4.4.0-12.el7.noarch
ipa-server-4.4.0-12.el7.x86_64 has installed conflicts freeipa-server: ipa-server-4.4.0-12.el7.x86_64
ipa-server-common-4.4.0-12.el7.noarch has installed conflicts freeipa-server-common: ipa-server-common-4.4.0-12.el7.noarch
Installing : mysql80-community-release-el7-1.noarch 1/1
Verifying : mysql80-community-release-el7-1.noarch 1/1
Installed:
mysql80-community-release.noarch 0:el7-1
Complete!
[root@localhost home]# yum repolist enabled | grep "mysql.*-community.*"
允许mysql相关仓库
[root@localhost home]# yum repolist enabled | grep "mysql.*-community.*"
mysql-connectors-community/x86_64 MySQL Connectors Community 51
mysql-tools-community/x86_64 MySQL Tools Community 63
mysql80-community/x86_64 MySQL 8.0 Community Server 17
[root@localhost home]#
查看mysql对应版本信息
[root@localhost home]# yum repolist all | grep mysql
mysql-cluster-7.5-community/x86_64 MySQL Cluster 7.5 Community disabled
mysql-cluster-7.5-community-source MySQL Cluster 7.5 Community - Sou disabled
mysql-cluster-7.6-community/x86_64 MySQL Cluster 7.6 Community disabled
mysql-cluster-7.6-community-source MySQL Cluster 7.6 Community - Sou disabled
mysql-connectors-community/x86_64 MySQL Connectors Community enabled: 51
mysql-connectors-community-source MySQL Connectors Community - Sour disabled
mysql-tools-community/x86_64 MySQL Tools Community enabled: 63
mysql-tools-community-source MySQL Tools Community - Source disabled
mysql-tools-preview/x86_64 MySQL Tools Preview disabled
mysql-tools-preview-source MySQL Tools Preview - Source disabled
mysql55-community/x86_64 MySQL 5.5 Community Server disabled
mysql55-community-source MySQL 5.5 Community Server - Sour disabled
mysql56-community/x86_64 MySQL 5.6 Community Server disabled
mysql56-community-source MySQL 5.6 Community Server - Sour disabled
mysql57-community/x86_64 MySQL 5.7 Community Server disabled
mysql57-community-source MySQL 5.7 Community Server - Sour disabled
mysql80-community/x86_64 MySQL 8.0 Community Server enabled: 17
mysql80-community-source MySQL 8.0 Community Server - Sour disabled
[root@localhost home]#
开启需要安装的版本
默认开启mysql8.0版本,禁用8.0版本，启动5.7版本
yum-config-manager --disable mysql80-community
yum-config-manager --enable mysql57-community
安装mysql5.7
- 确认当前yum启动的版本
[root@localhost home]# yum repolist enabled | grep mysql
mysql-connectors-community/x86_64 MySQL Connectors Community 51
mysql-tools-community/x86_64 MySQL Tools Community 63
mysql57-community/x86_64 MySQL 5.7 Community Server 267
[root@localhost home]#
- 安装mysql5.7
[root@localhost home]# yum install mysql-community-server
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Resolving Dependencies
--> Running transaction check
---> Package mariadb-server.x86_64 1:5.5.52-1.el7 will be obsoleted
--> Processing Dependency: mariadb-server for package: akonadi-mysql-1.9.2-4.el7.x86_64
---> Package mysql-community-server.x86_64 0:5.7.22-1.el7 will be obsoleting
--> Processing Dependency: mysql-community-common(x86-64) = 5.7.22-1.el7 for package: mysql-community-server-5.7.22-1.el7.x86_64
--> Processing Dependency: mysql-community-client(x86-64) >= 5.7.9 for package: mysql-community-server-5.7.22-1.el7.x86_64
--> Running transaction check
---> Package mariadb.x86_64 1:5.5.52-1.el7 will be obsoleted
---> Package mariadb-server.x86_64 1:5.5.52-1.el7 will be obsoleted
--> Processing Dependency: mariadb-server for package: akonadi-mysql-1.9.2-4.el7.x86_64
---> Package mysql-community-client.x86_64 0:5.7.22-1.el7 will be obsoleting
--> Processing Dependency: mysql-community-libs(x86-64) >= 5.7.9 for package: mysql-community-client-5.7.22-1.el7.x86_64
---> Package mysql-community-common.x86_64 0:5.7.22-1.el7 will be installed
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.52-1.el7 will be obsoleted
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: perl-DBD-MySQL-4.023-5.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 1:qt-mysql-4.8.5-13.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 1:net-snmp-5.7.2-24.el7_2.1.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 2:postfix-2.10.1-6.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: perl-DBD-MySQL-4.023-5.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: 1:qt-mysql-4.8.5-13.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: 2:postfix-2.10.1-6.el7.x86_64
---> Package mariadb-server.x86_64 1:5.5.52-1.el7 will be obsoleted
--> Processing Dependency: mariadb-server for package: akonadi-mysql-1.9.2-4.el7.x86_64
---> Package mysql-community-libs.x86_64 0:5.7.22-1.el7 will be obsoleting
--> Running transaction check
---> Package mariadb-server.x86_64 1:5.5.52-1.el7 will be obsoleted
--> Processing Dependency: mariadb-server for package: akonadi-mysql-1.9.2-4.el7.x86_64
---> Package mysql-community-libs-compat.x86_64 0:5.7.22-1.el7 will be obsoleting
--> Finished Dependency Resolution
Error: Package: akonadi-mysql-1.9.2-4.el7.x86_64 (@anaconda/7.3)
Requires: mariadb-server
Removing: 1:mariadb-server-5.5.52-1.el7.x86_64 (@anaconda/7.3)
mariadb-server = 1:5.5.52-1.el7
Obsoleted By: mysql-community-server-5.7.22-1.el7.x86_64 (mysql57-community)
Not found
You could try using --skip-broken to work around the problem
** Found 6 pre-existing rpmdb problem(s), 'yum check' output follows:
ipa-admintools-4.4.0-12.el7.noarch has installed conflicts freeipa-admintools: ipa-admintools-4.4.0-12.el7.noarch
ipa-client-4.4.0-12.el7.x86_64 has installed conflicts freeipa-client: ipa-client-4.4.0-12.el7.x86_64
ipa-client-common-4.4.0-12.el7.noarch has installed conflicts freeipa-client-common: ipa-client-common-4.4.0-12.el7.noarch
ipa-common-4.4.0-12.el7.noarch has installed conflicts freeipa-common: ipa-common-4.4.0-12.el7.noarch
ipa-server-4.4.0-12.el7.x86_64 has installed conflicts freeipa-server: ipa-server-4.4.0-12.el7.x86_64
ipa-server-common-4.4.0-12.el7.noarch has installed conflicts freeipa-server-common: ipa-server-common-4.4.0-12.el7.noarch
发生报错：没有卸载mariadb
[root@localhost home]# rpm -qa|grep mariadb
mariadb-libs-5.5.52-1.el7.x86_64
mariadb-5.5.52-1.el7.x86_64
mariadb-server-5.5.52-1.el7.x86_64
[root@localhost home]#
rpm -e --nodeps mariadb-libs-5.5.52-1.el7.x86_64
rpm -e --nodeps mariadb-5.5.52-1.el7.x86_64
rpm -e --nodeps mariadb-server-5.5.52-1.el7.x86_64
- 再次执行安装命令
yum install mysql-community-server
Installed:
mysql-community-server.x86_64 0:5.7.22-1.el7
Dependency Installed:
mysql-community-client.x86_64 0:5.7.22-1.el7 mysql-community-common.x86_64 0:5.7.22-1.el7 mysql-community-libs.x86_64 0:5.7.22-1.el7
Complete!
查看msyql版本
[root@localhost home]# systemctl start mysqld
[root@localhost home]# mysql --version
mysql Ver 14.14 Distrib 5.7.22, for Linux (x86_64) using EditLine wrapper
[root@localhost home]#
5.7版本默认生成了root密码
grep 'temporary password' /var/log/mysqld.log
修改mysql密码和远程登录
mysql -uroot -p
ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass4!';
use mysql;
update user set host='%' where user='root' and host='localhost';
flush privileges;
修改默认字符集
/etc/my.cnf
[mysqld]下面增加
character-set-server=utf8
重启mysql
兼容5.6的一些设置
character-set-server=utf8
lower_case_table_names=1 #忽略大小写
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION