During installation for the first time I was not ask for a root password is there a default password? Or is there some way to establish that password?
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2You may want to review this question - there is little or no reason to use the root account in Ubuntu. – Charles Green Oct 30 '15 at 14:08
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At time of installation it asked to create one user and that user is in sudo group. so whenever you run any command with sudo it will ask that user password not root. so no need of root password , but if you want to set password then you can
set password using command:
sudo passwd
or
sudo passwd root
pl_rock
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Standard Ubuntu since at least 14.04 has not used the root account in favor of doing everything with sudo. Unless you've used older versions or other distros where root account is the standard way of doing privileged tasks, it's probably better to continue the Ubuntu way: if you find a command that needs root privilege, use sudo with your user password (assuming you have a user account that's in the sudoers list).
Zeiss Ikon
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No, if you set root's password you can use it (unless you're unable to
suor use other tools to become root due to PAM's or other authentication daemons' policies).suby default allows root login, the problem is the default invalid password, which is bypassed by setting a root password. – kos Oct 30 '15 at 14:14 -