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I was trying to install mysql-server and while trying to set a password I messed up the debian.cnf file and then deleted /etc/mysql hoping that dpkg-reconfigure would recreate it.

Now dpkg-reconfigure is giving an error regarding missing cnf files in /etc/mysql

Tried reinstalling mysql-server itself but the post-install script is giving errors.

I've also tried reinstalling libmysqldev, libmysql20 and mysql-common. No luck.

Which package should I reinstall to create the /etc/mysql and its contents

If I remember correctly the directory contains my.cnf, debian.cnf, conf.d and a couple other files. I'm running Ubuntu 18.04

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  • I guess this is a duplicate question since unix.stackexchange.com/questions/27549/… has the answer that I'm looking for.
    – vishless
    Commented Jun 26, 2018 at 2:35
  • You might try running dpkg -S /etc/mysql (although this may miss files that are created on the fly by pre/post install scripts, rather than being provided by a package directly) Commented Jun 26, 2018 at 2:44

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The contents of /etc/mysql are created by mysql-server-5.7’s postinst (replace “5.7” with whichever version you have). You should try running

sudo dpkg-reconfigure mysql-server-5.7

and fixing any errors which occur then.

How can I completely reinstall mysql? explains how to reinstall MySQL completely. Do note however that deleting /var/lib/mysql will delete any database which you’ve created.

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