Setup g++ and CMake on Ubuntu

Step 1: Install g++
Check whether g++ compiler has been installed on the target Linux machine by entering the following in the command prompt:
$g++

If the target Linux machine indicates no g++ compiler is installed on the machine, proceed to install the compiler by entering the following in the command prompt:
$sudo apt-get install g++

Step 2: Install CMake
Check whether cmake has been installed on the target linux machine, by entering the following in the command prompt:
$cmake -help

If the target linux machine indicates no cmake is installed on the machine, proceed to install cmake by entering the following in the command prompt:
$sudo apt-get install cmake