libdb-file-lock-perl software package provides wrapper adding locking for the DB_File module, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libdb-file-lock-perl
libdb-file-lock-perl is installed in your system.
Make ensure the libdb-file-lock-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libdb-file-lock-perl *
You will get with libdb-file-lock-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libdb-file-lock-perl |
| Version | 0.05-3 |
| Description | wrapper adding locking for the DB_File module |
| Sub Section | Perl |