# apt-get install mysql-server
Reading Package Lists... Done
Building Dependency Tree... Done
The following NEW packages will be installed:
  mysql-server
0 upgraded, 1 newly installed, 0 to remove and 140 not upgraded.
2 not fully installed or removed.
Need to get 0B/46.5kB of archives.
After unpacking 81.9kB of additional disk space will be used.
Selecting previously deselected package mysql-server.
(Reading database ... 31430 files and directories currently installed.)
Unpacking mysql-server (from .../mysql-server_5.0.32-7_all.deb) ...
Stopping MySQL database server: mysqld.
Setting up mysql-server-5.0 (5.0.32-7) ...
Stopping MySQL database server: mysqld.
/var/lib/dpkg/info/mysql-server-5.0.postinst: line 143: /etc/mysql/conf.d/old_passwords.cnf: No such file or directory
dpkg: error processing mysql-server-5.0 (--configure):
 subprocess post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of mysql-server-4.1:
 mysql-server-4.1 depends on mysql-server-5.0; however:
  Package mysql-server-5.0 is not configured yet.
dpkg: error processing mysql-server-4.1 (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of mysql-server:
 mysql-server depends on mysql-server-5.0; however:
  Package mysql-server-5.0 is not configured yet.
dpkg: error processing mysql-server (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 mysql-server-5.0
 mysql-server-4.1
 mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)