Znuny Open Source Ticketsystem

Thank you very much!
I don't understand why in "Part 2: Copy Custom Files" some commands don't work
For example
[root@otrs5cent7 ~]# cp ../Kernel/Output/HTML/Layout.pm Kernel/Output/HTML/Layout.pm
cp: cannot stat ‘../Kernel/Output/HTML/Layout.pm’: No such file or directory


.. using with cd ...

Hello. I have certain problem in the very beginning then I try to install reCAPTCHA. I have Centos 7, so I tryed 2 ways to install perl module. And thats what happen next.
[b][root@otrs5cent7 home]# sudo yum install "perl(Captcha::reCAPTCHA)"[/b]
Loaded plugins: fastestmirror
base | 3.6 kB 00:00:00 ...

Could you please tell me how to insert script?

Here is instruction from google:
1)Insert this fragment before tag </head> in HTML-code:
<script src='https://www.google.com/recaptcha/api.js'></script>
2)Insert this fragment in the end of object <form> (there you need vidget reCAPTCHA):
<div class="g ...

Подскажите пожалуйста, как правильно вставлять скрипт?

Оба пункта из инструкции гугла выполнил:
1)Вставьте этот фрагмент перед закрывающим тегом </head> в HTML-коде:
<script src='https://www.google.com/recaptcha/api.js'></script>
2)Вставьте этот фрагмент в конце объекта <form> (там, где нужно ...