[Bug 1688012] Re: package mysql-server-5.7 5.7.18-0ubuntu0.16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Nish Aravamudan]

It is unclear (because of the following) if the issue is actually in
mysql-server or nagios:

Setting up mysql-server-5.7 (5.7.18-0ubuntu0.16.04.1) ...
insserv: warning: current start runlevel(s) (empty) of script `mysql' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `mysql' overrides LSB defaults (0 1 6).
insserv: Script nagios is broken: incomplete LSB comment.
insserv: missing `Default-Start:'  entry: please add even if empty.
insserv: missing `Default-Stop:'   entry: please add even if empty.
insserv: Default-Start undefined, assuming empty start runlevel(s) for script `nagios'
insserv: Default-Stop  undefined, assuming empty stop  runlevel(s) for script `nagios'
dpkg: error processing package mysql-server-5.7 (--configure):
 subprocess installed post-installation script returned error exit status 1

The two warnings are non-fatal, as far as I know.

Can you remove nagios (for now) and see if MySQL successfully installs?

** Changed in: mysql-5.7 (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1688012

Title:
  package mysql-server-5.7 5.7.18-0ubuntu0.16.04.1 failed to
  install/upgrade: subprocess installed post-installation script
  returned error exit status 1

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