jednak, znowu ten sam bład jak wpisze to wyskakuje
Preconfiguring packages ...
(Reading database ... 94534 files and directories currently installed.)
Preparing to unpack .../mysql-server-5.7_5.7.24-0ubuntu0.16.04.1_amd64.deb ...
Aborting downgrade from (at least) 10.3 to 5.7.
If are sure you want to downgrade to 5.7, remove the file
/var/lib/mysql/debian-*.flag and try installing again.
dpkg: error processing archive /var/cache/apt/archives/mysql-server-5.7_5.7.24-0ubuntu0.16.04.1_amd64.deb (--unpack):
subprocess new pre-installation script returned error exit status 1
Errors were encountered while processing:
/var/cache/apt/archives/mysql-server-5.7_5.7.24-0ubuntu0.16.04.1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)