dcap-tunnel-krb software package provides Kerberos tunnel for dCache, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install dcap-tunnel-krb
dcap-tunnel-krb is installed in your system.
Make ensure the dcap-tunnel-krb package were installed using the commands given below,
$ sudo dpkg-query -l | grep dcap-tunnel-krb *
You will get with dcap-tunnel-krb package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Libraries |
| Package | dcap-tunnel-krb |
| Version | 2.47.10-2 |
| Description | Kerberos tunnel for dCache |
| Sub Section | Libs |