According to apport logs you had mysql-server installed at:
Start-Date: 2020-08-01 09:13:37
Commandline: apt install mysql-server-core-8.0
Requested-By: manuel (1000)
Install: ...
And 2 days later you installed mysql-client-core:
Start-Date: 2020-08-03 09:24:59
Commandline: apt install mysql-client-core-8.0
Requested-By: manuel (1000)
Install: mysql-client-core-8.0:amd64 (8.0.21-0ubuntu0.20.04.3)
End-Date: 2020-08-03 09:25:04
and then:
Start-Date: 2020-08-03 09:31:59
Commandline: apt-get install mysql-server
Install: ...
When install the mysql-server-8.0 package the log shows:
Configurando mysql-server-8.0 (8.0.21-0ubuntu0.20.04.3) ...
update-alternatives: utilizando /etc/mysql/mysql.cnf para proveer
/etc/mysql/my.cnf (my.cnf) en modo automático
Renaming removed key_buffer and myisam-recover options (if present)
mysqld will log errors to /var/log/mysql/error.log
mysqld is running as pid 21738
dpkg: ... exit code 1
and looking specifically to mysql-server logs, it looks like it was
correctly installed:
2020-08-03T14:35:42.017991Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld
(mysqld 8.0.21-0ubuntu0.20.04.3) initializing of server in progress as process
20452
2020-08-03T14:35:43.242835Z 1 [System] [MY-013576] [InnoDB] InnoDB
initialization has started.
2020-08-03T14:37:22.177611Z 1 [System] [MY-013577] [InnoDB] InnoDB
initialization has ended.
2020-08-03T14:37:41.687358Z 6 [Warning] [MY-010453] [Server] root@localhost is
created with an empty password ! Please consider switching off the
--initialize-insecure option.
and 2 minutes later it was shutdown by you:
2020-08-03T14:39:58.601233Z 6 [System] [MY-013172] [Server] Received
SHUTDOWN from user boot. Shutting down mysqld (Version:
8.0.21-0ubuntu0.20.04.3).
After that, it starts again:
2020-08-03T14:41:50.086925Z 0 [System] [MY-010931] [Server]
/usr/sbin/mysqld: ready for connections. Version:
'8.0.21-0ubuntu0.20.04.3' socket: '/tmp/tmp.kIFFUPPj6Z/mysqld.sock'
port: 0 (Ubuntu).
and then
2020-08-03T14:41:51.318391Z 0 [System] [MY-013172] [Server] Received
SHUTDOWN from user <via user signal>. Shutting down mysqld (Version:
8.0.21-0ubuntu0.20.04.3).
it is shutdown again... from that time and on mysql starts receiving a
can't bind socket error message:
2020-08-03T14:42:19.395575Z 0 [ERROR] [MY-010262] [Server] Can't start
server: Bind on TCP/IP port: Address already in use
likely because the socket opened by the previous instance is still in
FIN_WAIT mode, so you have to wait for it to complete before being able
to respin the instance again to the same port.
** Changed in: mysql-8.0 (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1890164
Title:
package mysql-server-8.0 8.0.21-0ubuntu0.20.04.3 failed to
install/upgrade: el subproceso instalado paquete mysql-server-8.0
script post-installation devolvió el código de salida de error 1
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