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mysql8安裝時(shí)出錯(cuò)

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在進(jìn)行MySQL8的安裝過程中，可能會(huì)出現(xiàn)各種錯(cuò)誤提示，以下是一些常見的錯(cuò)誤及其解決方案。

錯(cuò)誤1：Installation of server failed

The following packages have unmet dependencies:
 mysql-server : Depends: mysql-server-8.0 but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

解決方案：

執(zhí)行以下命令更新apt-get：
sudo apt-get update
然后安裝MySQL Server：
sudo apt-get install mysql-server

錯(cuò)誤2：Unable to locate package mysql-server-8.0

E: Unable to locate package mysql-server-8.0

解決方案：

執(zhí)行以下命令添加MySQL的apt-get repository：
sudo wget https://repo.mysql.com//mysql-apt-config_0.8.13-1_all.deb
sudo dpkg -i mysql-apt-config_0.8.13-1_all.deb
然后再更新apt-get并安裝MySQL Server：
sudo apt-get update
sudo apt-get install mysql-server

錯(cuò)誤3：mysqld: Can't create directory '/var/lib/mysql/' (Errcode: 13 - Permission denied)

2018-12-25T14:38:40.908515Z 0 [ERROR] [MY-010299] [Server] Could not initialize DD Storage Engine: 13 - Permission denied
2018-12-25T14:38:40.908633Z 0 [ERROR] [MY-010316] [Server] Aborting
2018-12-25T14:38:40.908893Z 0 [ERROR] [MY-010119] [Server] Unknown error 13 "Permission denied"
2018-12-25T14:38:40.909381Z 0 [ERROR] [MY-010008] [Server] Plugin mysqlx reported: 'Failed to initialize DD Storage'
2018-12-25T14:38:40.909570Z 0 [ERROR] [MY-010303] [Server] Plugin initialization aborted with error Generic error.
2018-12-25T14:38:40.909761Z 0 [ERROR] [MY-010103] [Server] Failed to initialize DD Storage Engine.
2018-12-25T14:38:40.909934Z 0 [ERROR] [MY-010119] [Server] Unknown error 13 "Permission denied"
2018-12-25T14:38:40.910099Z 0 [ERROR] [MY-010902] [Server] Can't create directory '/var/lib/mysql/' (Errcode: 13 - Permission denied)
2018-12-25T14:38:40.910232Z 0 [ERROR] [MY-010119] [Server] Unknown error 13 "Permission denied"
2018-12-25T14:38:40.910417Z 0 [ERROR] [MY-010119] [Server] Unknown error 13 "Permission denied"
2018-12-25T14:38:40.910581Z 0 [ERROR] [MY-010929] [Server] Unable to initialize DD Storage Engine
2018-12-25T14:38:40.910746Z 0 [ERROR] [MY-010065] [Server] Failed to shutdown DD Storage Engine

解決方案：

執(zhí)行以下命令修改/var/lib/mysql/文件夾的權(quán)限：
sudo chown -R mysql:mysql /var/lib/mysql/
sudo chmod -R 755 /var/lib/mysql/

這些錯(cuò)誤是MySQL8安裝過程中可能遇到的一些問題，通過以上的解決方案，可以輕松地克服這些問題，完成MySQL8的安裝。