libfcgi-ruby1.8 software package provides Transitional package for ruby-fcgi / libfcgi-ruby1.8, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libfcgi-ruby1.8
libfcgi-ruby1.8 is installed in your system.
Make ensure the libfcgi-ruby1.8 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libfcgi-ruby1.8 *
You will get with libfcgi-ruby1.8 package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Ruby |
| Package | libfcgi-ruby1.8 |
| Version | 0.9.2.1-1 |
| Description | Transitional package for ruby-fcgi / libfcgi-ruby1.8 |
| Sub Section | Ruby |