cscope-indexer command not found

In this troubleshooting guide we learn how to fix cscope-indexer command not found error message

Introduction

When you run more command in linux terminal / console, you get the following error message

cscope-indexer: command not found

or when using sudo you get the following error message

sudo: cscope-indexer: command not found

Solutions to cscope-indexer: command not found

How To Fix cscope-indexer: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu cscope-indexer is provided by cscope package.

cscope is:

Cscope is an interactive text screen based source browsing tool. Although it is primarily designed to search C code (including lex and yacc files), it can also be used for C++ code.

Using cscope, you can easily search for where symbols are used and defined. Cscope is designed to answer questions like:

Where is this variable used?
What is the value of this preprocessor symbol?
Where is this function in the source files?
What functions call this function?
What functions are called by this function?
Where does the message “out of space” come from?
Where is this source file in the directory structure?
What files include this header file?

To fix this problem, we can install more using the command below.

sudo apt-get -y install cscope

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install cscope.

sudo apt -y install cscope

Or if you have aptitude installed you can use the following command.

sudo aptitude install cscope

Summary

In this tutorial we learn how to fix cscope-indexer command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.