Cisco IP Phone “Host Not Found” error.

Introduction This post explains why you are getting “Host Not Found” error on your newly registered IP phone’s display and how to fix it. Why “Host Not Found” error? The reason you are getting this error is that when you autoregister a brand new IP phone, it attempts to take you through the self-provision wizard,

How to Enable SSH on Ubuntu?

Introduction In this post we will learn how to enable SSH server on your Ubuntu. What is SSH? SSH (Secure Shell) is a network protocol which supports encryption. It is mainly used for a remote secure configuration and management. It is common to use SSH protocol for a remote Linux administration. If we want to

How to log SSH session output in Linux?

Introduction In this article we will see how it is possible to log SSH or telnet session output to a file. I usually use this method for saving the configuration of remote network devices like routers or switches, but it might be useful in any other situations when you need to save all session output

How to Find Files in Linux

Introduction In this post we will learn how to find files and directories in Linux using command-line utility called find. This utility can search for files based on a great number of parameters and therefore it makes it very powerful and useful tool. Another good thing about find utility is that it allows to execute various

Cisco UCCX 11.5 Basic IVR Application

Introduction In this post we will create a basic IVR application on Cisco UCCX 11.5 server. Our application will play out the greeting to the caller and allow him to enter the extension number or wait for being transferred to the operator. Prerequisites Before you go through this tutorial you should have a working UCCX

Cisco UCCX 11.5 + CUCM 11.5 Integration

Introduction In this article we will go through the integration process of UCCX (Cisco Unified Contact Center Express) 11.5 with CUCM (Cisco Unified Communications Manager) 11.5. The process will be similar for other software versions as well. CUCM side: 1. Enable AXL Web Service on CUCM Go to Cisco Unified Serviceability -> Service activation and

Sets in Python

Introduction Set is an unordered collection of elements with no duplicates. They can only contain immutable objects, therefore sets can’t contain list, dictionaries or another sets. Sets are usually used when someone needs to know whether a particular element is in a collection or not and the order itself does not matter. The good use

Python Tuples with examples

Introduction Tuples are very similar to lists in Python, but in contrast to lists they can’t be modified. Once you created the tuple, you can’t modify/delete/append its elements, therefore tuples are said to be immutable. How to create a tuple? Similarly to a list, a tuple contains sequence of values. To create a tuple, we

Python Lists with examples

Introduction This article provides a lot of information about Python lists. We will learn how to create lists, append and delete elements, sort lists and create slices. List List is a collection(array) which contains ordered elements. Each element of a list has its own index. Lists can be modified and therefore are called “mutable” objects.