Question

mysql installation error: dpkg: error processing package mysql-server-5.5 (--configure):

Hello, when I run

sudo apt-get update
sudo apt-get install mysql-server mysql-client libmysqlclient-dev

a password input screen comes up. Regardless I choose a password or not, I get following error.

start: Job failed to start
invoke-rc.d: initscript mysql, action "start" failed.
dpkg: error processing package mysql-server-5.5 (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of mysql-server:
 mysql-server depends on mysql-server-5.5; however:
  Package mysql-server-5.5 is not configured yet.

dpkg: error processing package mysql-server (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                  Errors were encountered while processing:
 mysql-server-5.5
 mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)

I even tried

sudo apt-get dist-upgrade

but it only broke postgresql and I had to purge it. What is the problem and what should I do to install mysql?

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I am not sure if it will work, but try this. First you need to uninstall anything that is related to mysql:

sudo apt-get purge mysql*
sudo apt-get autoremove
sudo apt-get autoclean

Then the important bit, this error could be caused because your distribution is not upgraded recently, or at least conflicts are not resolved properly. So next thing is to upgrade it like you did before but without removing first:

sudo apt-get dist-upgrade

Now after this is done, you can try to install mysql as normal again. Hope this will work, please give a report. If it doesnt work we’ll try another fix.

IMPORTANT NOTE

AFTER PURGING AND REMOVING MYSQL. RESTART THE MACHINE.

I REPEAT “RESTART THE MACHINE”

RESTART IS THE FINAL SOLUTION. I have spent sleepless nights figuring why it’s not solving.

I get the same error. . No luck with above mentioned solutions :-(

dpkg: dependency problems prevent configuration of mysql-server: mysql-server depends on mysql-server-5.7; however: Package mysql-server-5.7 is not configured yet.

dpkg: error processing package mysql-server (–configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. Processing triggers for libc-bin (2.23-0ubuntu5) … Processing triggers for systemd (229-4ubuntu16) … Processing triggers for ureadahead (0.100.0-19) … Errors were encountered while processing: mysql-server-5.7 mysql-server E: Sub-process /usr/bin/dpkg returned an error code (1)