libcpanel-json-xs-perl software package provides module for fast and correct serialising to JSON, 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 libcpanel-json-xs-perl
libcpanel-json-xs-perl is installed in your system.
Make ensure the libcpanel-json-xs-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libcpanel-json-xs-perl *
You will get with libcpanel-json-xs-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libcpanel-json-xs-perl |
| Version | 2.3403-1 |
| Description | module for fast and correct serialising to JSON |
| Sub Section | Perl |