February 2020
Intermediate to advanced
666 pages
15h 45m
English
Content preview from Mastering Linux Security and Hardening - Second Edition
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Hands-on lab – resetting the password for Ubuntu
The procedure for resetting a password on an Ubuntu system is quite a bit different and quite a bit simpler. However, there is one slight difference between doing this on Ubuntu 16.04 and Ubuntu 18.04. That is, to see the boot menu on Ubuntu 16.04, you don't have to do anything. On Ubuntu 18.04, you have to press either the Shift key (on BIOS-based systems) or the Esc key (on UEFI-based systems) in order to see the boot menu. Let's get started:
- Boot the virtual machine. On Ubuntu 18.04, press either the Shift key or the Esc key, as appropriate, to bring up the boot menu. Press the down arrow key once to interrupt the boot process. Then, press the up arrow key once to select the default boot ...