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【MySQL】在centos7 纯IPv6环境下,安装mysql5.7
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參考鏈接:https://mirrors6.tuna.tsinghua.edu.cn/help/mysql/
服務器環境:
Centos7
純IPv6環境(不能與IPv4互通)
按照 https://mirrors6.tuna.tsinghua.edu.cn/help/mysql/ 步驟操作完成
執行 yum install mysql-community-server 發現默認安裝 mysql 8.0,
問題:提示找不到簽名,因為https://repo.mysql.com/ 只有v4地址,估將https://repo.mysql.com/RPM-GPG-KEY-mysql 下載至 /root 目錄下,
修改 /etc/yum.repos.d/mysql-community.repo
[mysql-connectors-community
]
name
=MySQL Connectors Community
baseurl
=https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql-connectors-community-el7-
$basearch/
enabled
=1
gpgcheck
=1
gpgkey
=https://repo.mysql.com/RPM-GPG-KEY-mysql
[mysql-tools-community
]
name
=MySQL Tools Community
baseurl
=https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql-tools-community-el7-
$basearch/
enabled
=1
gpgcheck
=1
gpgkey
=https://repo.mysql.com/RPM-GPG-KEY-mysql
[mysql-5.6-community
]
name
=MySQL 5.6 Community Server
baseurl
=https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql-5.6-community-el7-
$basearch/
enabled
=0
gpgcheck
=1
gpgkey
=https://repo.mysql.com/RPM-GPG-KEY-mysql
[mysql-5.7-community
]
name
=MySQL 5.7 Community Server
baseurl
=https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql-5.7-community-el7-
$basearch/
enabled
=1
gpgcheck
=1
gpgkey
=file:///root/RPM-GPG-KEY-mysql
再次執行 yum install mysql-community-server 成功安裝
啟動mysql服務 systemctl start mysqld
進入 mysql mysql -u root -p ,回車
問題:需要密碼,從安裝到啟動服務,也沒有設置過密碼啊,故更改配置,免密登錄
更改配置文件/etc/my.cnf
[mysqld
]
skip-grant-tables
啟動mysql服務 systemctl restart mysqld
再次執行 mysql -u root -p ,回車成功進入,更改root 密碼
update mysql.user
set authentication_string
=PASSWORD
('xxx') where user
='root' and host
='localhost';
flush privileges
;exit;
關閉 免密登錄,即 注釋 skip-grant-tables (第7步),重啟mysql
測試登錄 mysql -u root -p
結束安裝
總結
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