I installed lamp server on 20.04 and it worked. But then suddenly I get Error: Lost connection to MySQL server at 'reading initial communication packet', system error: 104 no more mysql working, not on console nor in phpmyadmin. I tried removing packages but no success.
2021-11-25T09:58:04.279812Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.27-0ubuntu0.20.04.1) (Ubuntu).
2021-11-25T09:58:05.091914Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.27-0ubuntu0.20.04.1) starting as process 874040
2021-11-25T09:58:05.117200Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-11-25T09:58:05.404299Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2021-11-25T09:58:05.623981Z 0 [Warning] [MY-013746] [Server] A deprecated TLS version TLSv1 is enabled for channel mysql_main
2021-11-25T09:58:05.624100Z 0 [Warning] [MY-013746] [Server] A deprecated TLS version TLSv1.1 is enabled for channel mysql_main
2021-11-25T09:58:05.627393Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2021-11-25T09:58:05.627554Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2021-11-25T09:58:05.645792Z 0 [ERROR] [MY-010952] [Server] The privilege system failed to initialize correctly. For complete instructions on how to upgrade MySQL to a new version please see the 'Upgrading MySQL' section from the MySQL manual.
2021-11-25T09:58:05.646358Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-11-25T09:58:07.133840Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.27-0ubuntu0.20.04.1) (Ubuntu).
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