Change root password without holding shift on grub
226
How do I reset a lost password (using recovery mode requires me to type the password)?
108195
Grub menu at boot time... "holding shift" not working
47010
How can update-manager update without the root password?
68509
How can I edit my Grub bootloader entries (Hide, Rename, Remove)?
71825
How to secure grub recovery mode
77566
How to set root password to null
37149
Set the master password from terminal
124236
Why I'm not asked to set a password for Root when Installing Ubuntu?
120000
Disable password access through SSH?
27714
How do I drop root privileges in shell scripts?
15805
How to avoid being prompted for a password by sudo?
68545
How to set up passwordless SSH access for root user
134935
Root access that can't change root password?
150894
What is the chroot command used for when resetting a password in RHEL/CentOS 7?
87020
Disable root account in Ubuntu?
117067
How can I lower the delay after incorrectly entered login and sudo passwords?
80457
How to make Ubuntu ask for password when mounting partitions?