root password

I have an up-cht01 board with Ubilinux as the OS. I need to make various software changes (updates, functional changes, etc.) on it. However, my client had this done previously by another person who is no longer reachable. This person had the sudo password saved on the desktop, but it doesn't...

I´m using Linux for Windows (enable the feauter) Linux susbsytem for Windows. So far so god, but then I´m trying execute sudo-apt-get update I enter the password that I use for login with myAccount to my windows pc. But linux promt keep telling med that´s the wrong password for myAccount...

Hello everyone, Need your help please if possible. So, Not fairly new to Linux but not a *Pro* either. I have been preparing to pass CySA+ and have been training on a locally run Kali Linux (Kali Linux 2019.3) virtual machine on VMware Workstation. Now the stupid part is that I lost my root...