CentOS 7にMySQL 8.0をインストール（公式レポジトリ）
はじめに
公式レポジトリを使ってCentOS7にMySQL8.0をインストール
親記事：MySQL, MariaDBの各種インストール方法とEOLまとめ - Qiita
参考：MySQL :: MySQL 8.0 Reference Manual :: 2.5.1 Installing MySQL on Linux Using the MySQL Yum Repository
LOG
レポジトリ登録
# yum install -y https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
# 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 - 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 - disabled
mysql-cluster-8.0-community/x86_64 MySQL Cluster 8.0 Community disabled
mysql-cluster-8.0-community-source MySQL Cluster 8.0 Community - disabled
mysql-connectors-community/x86_64 MySQL Connectors Community enabled: 131
mysql-connectors-community-source MySQL Connectors Community - S disabled
mysql-tools-community/x86_64 MySQL Tools Community enabled: 100
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 - S disabled
mysql56-community/x86_64 MySQL 5.6 Community Server disabled
mysql56-community-source MySQL 5.6 Community Server - S disabled
mysql57-community/x86_64 MySQL 5.7 Community Server disabled
mysql57-community-source MySQL 5.7 Community Server - S disabled
mysql80-community/x86_64 MySQL 8.0 Community Server enabled: 145
mysql80-community-source MySQL 8.0 Community Server - S disabled
mysql80以降が標準になったら下記コマンドで有効レポジトリを切り替える
# yum-config-manager --disable mysql80-community
# yum-config-manager --enable mysql80-community
インストール
# cat /etc/redhat-release
CentOS Linux release 7.7.1908 (Core)
# yum install -y mysql-server
... 略
mysql起動/停止
# systemctl start mysqld
# systemctl status mysqld
● mysqld.service - MySQL Server
Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
Active: active (running) since Sat 2019-11-16 11:17:45 UTC; 42s ago
Docs: man:mysqld(8)
http://dev.mysql.com/doc/refman/en/using-systemd.html
Process: 233 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
Main PID: 306 (mysqld)
Status: "Server is operational"
CGroup: /docker/ce1745a0a6d6c10bda0aeca5efff3419794de36c221f582b8b5577398624e3d0/system.slice/mysqld.service
mq306 /usr/sbin/mysqld
? 306 /usr/sbin/mysqld
Nov 16 11:17:30 ce1745a0a6d6 systemd[1]: Starting MySQL Server...
Nov 16 11:17:30 ce1745a0a6d6 mysqld_pre_systemd[233]: mysqld: Out of memory (Needed 4294967200 bytes)
Nov 16 11:17:45 ce1745a0a6d6 systemd[1]: Started MySQL Server..
# systemctl stop mysqld
# systemctl status mysqld
● mysqld.service - MySQL Server
Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
Active: inactive (dead) since Sat 2019-11-16 11:19:39 UTC; 3s ago
Docs: man:mysqld(8)
http://dev.mysql.com/doc/refman/en/using-systemd.html
Process: 306 ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS (code=exited, status=0/SUCCESS)
Process: 233 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
Main PID: 306 (code=exited, status=0/SUCCESS)
Status: "Server shutdown complete"
Nov 16 11:17:30 ce1745a0a6d6 systemd[1]: Starting MySQL Server...
Nov 16 11:17:30 ce1745a0a6d6 mysqld_pre_systemd[233]: mysqld: Out of memory (Needed 4294967200 bytes)
Nov 16 11:17:45 ce1745a0a6d6 systemd[1]: Started MySQL Server.
Nov 16 11:19:38 ce1745a0a6d6 systemd[1]: Stopping MySQL Server...
Nov 16 11:19:39 ce1745a0a6d6 systemd[1]: Stopped MySQL Server.
mysql自動起動設定/設定解除
# systemctl enable mysqld
# systemctl list-unit-files --type=service |grep mysql
mysqld.service enabled
[email protected] disabled
# systemctl disable mysqld
Removed symlink /etc/systemd/system/multi-user.target.wants/mysqld.service.
# systemctl list-unit-files --type=service |grep mysql
mysqld.service disabled
[email protected] disabled
各種確認
# systemctl start mysqld
# grep 'temporary password' /var/log/mysqld.log
2019-11-16T11:17:37.897986Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: r:oOX6J8H:f,
# mysql -uroot -p
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass4!';
Query OK, 0 rows affected (0.01 sec)
mysql> select version();
+-----------+
| version() |
+-----------+
| 8.0.18 |
+-----------+
Author And Source
この問題について(CentOS 7にMySQL 8.0をインストール（公式レポジトリ）), 我々は、より多くの情報をここで見つけました https://qiita.com/witchcraze/items/7cf218370b14842dfb9d著者帰属：元の著者の情報は、元のURLに含まれています。著作権は原作者に属する。
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