The default credentials in order to access Kali Linux are username:root and password:toor. However, after the first login, it is important to change the default credentials and set a new password. A new password can be set using the passwd command as shown in the following screenshot:
![](https://static.packt-cdn.com/products/9781788627252/graphics/assets/6d2dc6cf-d928-40d1-9e3a-1a63a52a84e1.png)
Kali Linux is comprehensively used for network and application penetration testing. So it is important that Kali Linux is connected to the network as a standalone Kali installation wouldn't be of much use. The first step in ensuring network connectivity is checking whether Kali has a valid IP address. We can use the ifconfig command as shown in the following screenshot and confirm the IP address allocation:
![](https://static.packt-cdn.com/products/9781788627252/graphics/assets/1c3219b5-2165-4346-be71-e2253e291112.png)
Now that we have changed the default credentials and also affirmed network connectivity, it's now time to check the exact version of our Kali installation. This...