Installing Mariadb on ubuntu 20.04

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WA4LDU
Installing Mariadb on ubuntu 20.04

got the following error:
joe@joe-Inspiron-620:~$ sudo apt-get install mariadb-client-10.3 mariadb-server-10.3 libmariadb3 libssl-dev
[sudo] password for joe:
Reading package lists... Done
Building dependency tree
Reading state information... Done
libssl-dev is already the newest version (1.1.1f-1ubuntu2.23).
libmariadb3 is already the newest version (1:10.3.39-0ubuntu0.20.04.2).
The following packages were automatically installed and are no longer required:
libevent-core-2.1-7 libevent-pthreads-2.1-7 libmecab2 mecab-ipadic
mecab-ipadic-utf8 mecab-utils
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
galera-3 libconfig-inifiles-perl libdbd-mysql-perl libdbi-perl libreadline5
libsnappy1v5 libterm-readkey-perl mariadb-client-core-10.3
mariadb-server-core-10.3 socat
Suggested packages:
libclone-perl libmldbm-perl libnet-daemon-perl libsql-statement-perl mailx
mariadb-test tinyca
The following packages will be REMOVED:
mysql-client-8.0 mysql-client-core-8.0 mysql-server-8.0
mysql-server-core-8.0
The following NEW packages will be installed:
galera-3 libconfig-inifiles-perl libdbd-mysql-perl libdbi-perl libreadline5
libsnappy1v5 libterm-readkey-perl mariadb-client-10.3
mariadb-client-core-10.3 mariadb-server-10.3 mariadb-server-core-10.3 socat
0 upgraded, 12 newly installed, 4 to remove and 1 not upgraded.
1 not fully installed or removed.
Need to get 0 B/19.7 MB of archives.
After this operation, 93.8 MB disk space will be freed.
Do you want to continue? [Y/n] y
Preconfiguring packages ...
(Reading database ... 184494 files and directories currently installed.)
Removing mysql-server-8.0 (8.0.39-0ubuntu0.20.04.1) ...
Failed to stop mysql.service: Unit mysql.service not loaded.
invoke-rc.d: initscript mysql, action "stop" failed.
dpkg: error processing package mysql-server-8.0 (--remove):
installed mysql-server-8.0 package pre-removal script subprocess returned error exit status 1
dpkg: too many errors, stopping
Failed to stop mysql.service: Unit mysql.service not loaded.
invoke-rc.d: initscript mysql, action "stop" failed.
Failed to start mysql.service: Unit mysql.service not found.
invoke-rc.d: initscript mysql, action "start" failed.
Unit mysql.service could not be found.
dpkg: error while cleaning up:
installed mysql-server-8.0 package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
mysql-server-8.0
Processing was halted because there were too many errors.
E: Sub-process /usr/bin/dpkg returned an error code (1)

oh1kh
Installing Mariadb on ubuntu 20.04

HI!
It looks like you MySql installation is somehow broken and that's why you can not remove it properly and replace with MariaDB.
I think you should try to reinstall first MySql and when completed try to install MariaDB then.

https://www.cyberciti.biz/faq/debian-ubuntu-linux-reinstall-a-package-us...

--
Saku
OH1KH