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I am trying to install postgresql in ubuntu 20.04, but facing unment dependicies issue.

You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
libmysqlclient21 : Depends: mysql-common (>= 8.0.25-1ubuntu20.04) but 5.8+1.0.5ubuntu2 is to be installed
Depends: mysql-community-client-plugins (= 8.0.25-1ubuntu20.04) but it is not installable
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).

After these error, i run sudo apt--fix-broken installbut, i facing same issue again.

Saad Arshad
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    What do you mean you tried to install postgresql via wget? Use apt to install postgresql. – paladin Jun 24 '21 at 08:02
  • Are you trying to install PostgreSQL or MySQL? Your question says one, but the error says another. Did a previous attempt to install MySQL fail and now you're trying to put PostgreSQL on the machine? – matigo Jun 24 '21 at 08:14
  • @matigo, yes you right,first i am trying to install mysql but facing dependicies issue, then i decide to install postgresql,and also facing same issue. – Saad Arshad Jun 24 '21 at 08:26
  • The issue with the MySQL installation is that packages from two very different versions are being installed. You may want to address the MySQL situation first, then approach the PostgreSQL installation. – matigo Jun 24 '21 at 08:32
  • i have tried many solutions but no one worked,now i did not understand, how to solve it. – Saad Arshad Jun 24 '21 at 08:35
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    Please add the output of apt-cache policy libmysqlclient21 mysql-common mysql-community-client-plugins to the question by editing it. – N0rbert Jun 24 '21 at 11:50

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