Debian Root Authentication Failure Login

May 19, 2022

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http://forums.debian.net/viewtopic.php?t=73955

Dec 22, 2011 · I’m installing Debian 6.0.3 as a server. At the end of the installation process the system reboots and I must login. I try to login as root. However the system does not except my password. I get message: Authentication failure. Login as normal user is ok. So, I did a new install and paid extra attention to my password. However the same result.

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http://forums.debian.net/viewtopic.php?t=67583

Sep 06, 2014 · Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it.

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https://askubuntu.com/questions/816052/root-login-authentication-failure-how-to-use-sudo

My main problem is that I cannot use sudo. My root account is locked using sudo passwd -dl root. I have two users on my machine. root and admin, admin does not have su permission. When I try to use sudo on admin user, it says that admin is not in the sudoers file. When I try to use su while logged in admin user. su: Authentication failure

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https://www.linuxquestions.org/questions/linux-software-2/su-root-authentication-failure-298005/

Aug 06, 2011 · as a user added to the wheel group in gentoo linux I try ‘su root’ it asks me for a password I enter the correct password (I can doa root login fine, su is only problem) it gives me the error: su: Authentication failue sorry the user in question has been added to the wheel group

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https://linuxconfig.org/enable-ssh-root-login-on-debian-linux-server

May 19, 2016 · After fresh system installation the root login on the Debian Linux is disabled by default. When you attempt to login as root user to your Debian Jessie Linux server the access will be denied eg.: $ ssh This email address is being protected from spambots.

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https://wiki.debian.org/Root

Root is the name of the most powerful account on a Debian installation. The root user account can do everything on the machine. Root is also known as supervisor and administrator. Root’s home (~) folder is /root.root has uid 0 and gid 0.

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https://www.reddit.com/r/debian/comments/6j1som/debian_9_gnome_problem_with_root_account_after/

unfortunately, at every attempt at doing anything with su, I was given an authentication failure. Could not login as root, could not su as root, and my regular account of course was not in sudoers. trying to log into single user mode tells me it can’t open a console because the root account is locked out.

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https://manpages.debian.org/stretch/login/su.1.en.html

The other forms (-l and –login) do not have this restriction. … If set to yes, the user will login in the root (/) directory if it is not possible to cd to her home directory. ENV_PATH (string) … System or authentication failure. 126. The requested command was not found. 127.

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