由于安装错误导致 MySQL 被删除、清除并重新安装，导致其处于无法卸载或安装的状态，无法再从 MySQL 客户端访问，但可以从命令行运行。Webmin 似乎可以访问它并显示正确的用户和访问权限，但没有桌面客户端可以打开它。
我正在运行 Ubuntu 21.04，发生了什么？
以下是输出sudo gedit /var/log/mysql/error.log
2021-06-22T07:44:48.062446Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 291554
2021-06-22T07:44:48.103867Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:44:50.327015Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:44:50.671850Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:44:52.467963Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:44:52.468080Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:44:52.469742Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:44:52.470010Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:44:54.914425Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:44:55.310356Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 291618
2021-06-22T07:44:55.345470Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:44:57.356755Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:44:57.605602Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:44:58.789945Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:44:58.790057Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:44:58.791689Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:44:58.791984Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:45:01.559732Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:45:02.062880Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 291694
2021-06-22T07:45:02.093934Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:45:04.186594Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:45:04.513908Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:45:05.570748Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:45:05.570865Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:45:05.572489Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:45:05.572775Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:45:10.377502Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:45:10.811841Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 291748
2021-06-22T07:45:10.970688Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:45:16.668054Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:45:16.846861Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:45:18.013870Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:45:18.014014Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:45:18.015696Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:45:18.015983Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:45:20.203075Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:45:20.818028Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 291800
2021-06-22T07:45:20.851152Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:45:22.499637Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:45:22.680232Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:45:23.348625Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:45:23.348772Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:45:23.350479Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:45:23.350746Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:45:25.399967Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:45:25.815601Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 291852
2021-06-22T07:45:25.837932Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:45:27.284561Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:45:27.466144Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:45:28.107040Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:45:28.107180Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:45:28.108858Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:45:28.109127Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:45:30.019656Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:45:30.561833Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 291899
2021-06-22T07:45:30.569542Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:45:32.267715Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:45:32.446739Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:45:33.123870Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:45:33.124013Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:45:33.125802Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:45:33.126084Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:45:35.219833Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:45:35.810150Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 291945
2021-06-22T07:45:35.873000Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:45:37.400919Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:45:37.580442Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:45:38.324006Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:45:38.324153Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:45:38.325954Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:45:38.326241Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:45:39.923886Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:45:40.312430Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 291991
2021-06-22T07:45:40.331539Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:45:42.834104Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:45:43.038568Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:45:43.901389Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:45:43.901546Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:45:43.903467Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:45:43.903834Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:45:46.161612Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:45:46.566019Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 292038
2021-06-22T07:45:46.578421Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:45:49.842249Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:45:50.038745Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:45:50.801172Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:45:50.801304Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:45:50.802982Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:45:50.803249Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:45:52.480040Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:45:53.061492Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 292088
2021-06-22T07:45:53.075994Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:45:54.775560Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:45:54.996756Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:45:55.749758Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:45:55.749877Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:45:55.751639Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:45:55.751977Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:45:57.933969Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:45:58.561936Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 292134
2021-06-22T07:45:58.572865Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:46:00.142032Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:46:00.309393Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:46:01.209361Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:46:01.209498Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:46:01.211105Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:46:01.211371Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:46:03.624477Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:46:04.061190Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 292194
2021-06-22T07:46:04.076725Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:46:05.716946Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:46:05.972036Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:46:06.716768Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:46:06.716880Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:46:06.718563Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:46:06.718867Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:46:08.754032Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:46:09.311783Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 292241
2021-06-22T07:46:09.338943Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:46:10.775141Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:46:10.988432Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:46:11.675056Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:46:11.675188Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:46:11.676924Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:46:11.677199Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:46:13.404443Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:46:13.810940Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 292288
2021-06-22T07:46:13.830057Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:46:16.041630Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:46:16.255643Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:46:17.099856Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:46:17.099992Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:46:17.101651Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:46:17.101917Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:46:19.382363Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:46:19.817796Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 292334
2021-06-22T07:46:20.233528Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:46:21.983248Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:46:22.302157Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:46:22.951200Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:46:22.951333Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:46:22.953053Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:46:22.953321Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:46:25.980857Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:46:26.562619Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 292390
2021-06-22T07:46:26.760604Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:46:28.333043Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:46:28.555343Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:46:29.351684Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:46:29.351815Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:46:29.353429Z 0 [ERROR] [MY-000068] [Server] unknown option '--bind-address 0.0.0.0'.
2021-06-22T07:46:29.353731Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-22T07:46:31.431986Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:46:32.064693Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 292436
2021-06-22T07:46:32.121739Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:46:33.541176Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:46:33.713428Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:46:34.352432Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:46:34.352606Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:46:34.359100Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.25-0ubuntu0.21.04.1' socket: '/var/run/mysqld/mysqld.sock' port: 0 (Ubuntu).
2021-06-22T07:46:48.204594Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.25-0ubuntu0.21.04.1).
2021-06-22T07:46:49.387674Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.25-0ubuntu0.21.04.1) (Ubuntu).
2021-06-22T07:46:49.659643Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.25-0ubuntu0.21.04.1) starting as process 292503
2021-06-22T07:46:49.665377Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-06-22T07:46:50.440921Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-06-22T07:46:50.558374Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2021-06-22T07:46:50.863153Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-06-22T07:46:50.863276Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-06-22T07:46:50.869333Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.25-0ubuntu0.21.04.1' socket: '/var/run/mysqld/mysqld.sock' port: 0 (Ubuntu).
看到unknown option '--bind-address 0.0.0.0'我注释掉的行/etc/mysql/my.conf，MySQL 的服务现在重新启动，但仍然无法在任何客户端中打开。
不确定是否相关，但我注意到 Apache2 也没有运行，因此这里是额外的输出：
sudo journalctl -xe
Defined-By: systemd
Support: http://www.ubuntu.com/support
An ExecStart= process belonging to unit apache2.service has exited.
The process' exit code is 'exited' and its exit status is 1.
Jun 22 10:54:26 ubuntu-studio systemd[1]: apache2.service: Failed with result '>
Subject: Unit failed
Defined-By: systemd
Support: http://www.ubuntu.com/support
The unit apache2.service has entered the 'failed' state with result 'exit-co>
Jun 22 10:54:26 ubuntu-studio systemd[1]: Failed to start The Apache HTTP Serve>
Subject: A start job for unit apache2.service has failed
Defined-By: systemd
Support: http://www.ubuntu.com/support
A start job for unit apache2.service has finished with a failure.
The job identifier is 2820 and the job result is failed.
Jun 22 10:54:26 ubuntu-studio sudo[5542]: pam_unix(sudo:session): session close>
Jun 22 10:55:01 ubuntu-studio sudo[5575]: don : TTY=pts/0 ; PWD=/home/don >
Jun 22 10:55:01 ubuntu-studio sudo[5575]: pam_unix(sudo:session): session opene>
lines 3045-3067/3067 (END)