libhx509-5-heimdal software package provides Heimdal Kerberos - X509 support library, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libhx509-5-heimdal
libhx509-5-heimdal is installed in your system.
Make ensure the libhx509-5-heimdal package were installed using the commands given below,
$ sudo dpkg-query -l | grep libhx509-5-heimdal *
You will get with libhx509-5-heimdal package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Libraries |
| Package | libhx509-5-heimdal |
| Version | 1.7~git20150920+dfsg-4ubuntu1 |
| Description | Heimdal Kerberos - X509 support library |
| Sub Section | Libs |