cvm-pgsql software package provides Credential Validation Modules (PostgreSQL), you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cvm-pgsql
cvm-pgsql is installed in your system.
Make ensure the cvm-pgsql package were installed using the commands given below,
$ sudo dpkg-query -l | grep cvm-pgsql *
You will get with cvm-pgsql package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Administration Utilities |
| Package | cvm-pgsql |
| Version | 0.96-1+b1 |
| Description | Credential Validation Modules (PostgreSQL) |
| Sub Section | Admin |