php-symfony2-yaml software package provides component implements the YAML 1.2 version of the specification, 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 php-symfony2-yaml
php-symfony2-yaml is installed in your system.
Make ensure the php-symfony2-yaml package were installed using the commands given below,
$ sudo dpkg-query -l | grep php-symfony2-yaml *
You will get with php-symfony2-yaml package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | PHP |
| Package | php-symfony2-yaml |
| Version | 2.4.1-1 |
| Description | component implements the YAML 1.2 version of the specification |
| Sub Section | PHP |