sudo -i root account is disabled by default in Ubuntu, so there is no root password associated with it. Now terminal will ask for your password type your existing password. The password is the correct one, I use the same with sudo and works fine. Ok, how about this one: "sudo -u " ? Enter the password of the user you are now when you do the sudo. Note that the password you will need is your user password, not the root password (Assuming, of course, you have set up sudo and your user is a member of wheel ) Realized it pretty quick, when trying to shutdown via Gnome, that I … If it is just sshd method that is failing, then please read Knowledge Article 25951 . The best answers are voted up and rise to the top, Super User works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. There are quite a few conditions that could cause Authentication Failed: The user name is incorrect. I ran tail -f /var/log/secure to see what it's outputting, and it allowed the login this time. I can boot up into the kde desktop okay, but when I open up konsole and type 'su' and my root password I get the message "su: Authentication failure". Also, is it possible for me to login to Ubuntu using root account directly? Why don't we see the Milky Way out the windows in Star Trek? Password: chsh: PAM: Authentication failure. See this page for what you should use for a rootshell: RootSudo, This page also will explain how to get a terminal as another user. – circle May 12 '13 at 12:30 You can use sudo su - newuser – Hennes May 12 '13 at 12:33 @Hennes No, not when I'm logged in as usertwo, which does not have sudo rights. Does anyone know what could be causing this problem? Are questions on theory useful in interviews? Is there a special default password? The su command doesn't seem to be working on my fresh Fedora 29 installation. su: Authentication Failure . Now the terminal will ask for new password. I have tried a couple of times to fix this issue, I have also attempted to solve by trying out several solutions that I found online, but all to no avail. My question is why is it there if I should not use it? So I have installed Kali Linux with Linux Deploy on a sdcard, the installation was sucssesful nothing went wrong, I got on Kali Linux with a VNC, I turn the LXTerminal and try getting root but it doesn't work, I tried every sudo command aswell as su with every possible password but it still doesn't work. ls -l /bin/su. florian ( 2018-05-03 10:48:18 -0600 ) edit 1- Set root password: passwd root and success; 2- Adduser testaccount : adduser testaccount; 3- Change user to test account: su - testaccount , which is ok; 4- After step 3, it is testaccount bash. When you use the sudo command, you will be asked for your user’s password! Re: su: Authentication failure [Solved] Just as an experiment, what happens if you try sudo su ? su authentication failure So the other night i did a chgrp -R and accidentally changed the group of / to www. How can I update values based on the value from the previous day? Is it ever worth it to refinance an auto loan for a higher APR? It says “su: Authentication failure”. 1. selinux is set to enforcing but there's no restriction on users. -rws--x--x 1 root root 55649 Apr 11 01:11 /bin/su. To learn more, see our tips on writing great answers. Active 3 months ago. First check the current permissions for the /usr/bin/su binary file. "whoami". each time I try to login into the postgres account to create the development database for the rails application. su requires you to provide root’s password. [/QUOTE]There should be no need for a password, did you do the 'su - zimbra' as root? It asks for a password and then it just says: su: Authentication failure. RUN chsh -s /bin/bash www-data (dockerfile) i tried to change it to /bin/zsh but still doesn't work. Help! [sudo] password for ler0nldb2: root@ler0nldb2:~#. Tried: su, su -, su root, su - root - all return su: Authentication failure. "whoami" Re-enter the password to confirm. in a text editor. whenever i use su or sudo it says authentication failure. Re-enter the password to confirm. sudo works but su doesn't, Now terminal will ask for your password type your existing password, After you entered your correct password. # ls -l /usr/bin/su -rwxr-xr-x 1 root root 32208... 2. You can keep this password the same as. Hi, after searching google and asking in IRC Freenode > #debian and having the same problem as you I thought that if I removed my username and my home directory after making a backup I could have a solution for "su" authentication failure. Should we ask ambiguous questions on an exam? ex. Ask Question Asked 3 years, 3 months ago. Another possible cause of the “passwd: Authentication token manipulation error” is wrong PAM (Pluggable Authentication Module) settings.This makes the module unable to obtain the new authentication token entered. Viewed 3k times 2. su: Authentication Failure I have tried using the pasword set during the install as well as the root password, but unable to pass this authentication. su: Authentication failure. saslauthd[752]: pam_unix(imap:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost= user= for both imap:auth and smtp:auth As I have another 10 tablets to add with similar setups I suspect I am going to have a huge amount of errors generated in the secure log. Verify the password is being typed as expected, e.g. Is there a more modern version of "Acme", as a common, generic company name? This happens on a … Then I typed 'su root',and saw the dear 'Password:' 'toor' my fingers moved before I can think. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Use the exit command to logout of root privilages. After this, you will be able to use root access in the terminal. Asking for help, clarification, or responding to other answers. Forum rules Before you post please read how to get help. You can "sudo su - user" or you can "sudo su -" then do "su - user". If the auth command succeeds to troubleshoot the issue further narrow down what method of authentication is failing sshd, su, telnet, ftp, other. Physical explanation for a permanent rainbow. Using PAM Authentication Module. You need to be root to do "su". It only takes a minute to sign up. To allow users in a specific group to switch to another user account without a password, we can modify the default PAM settings for the su command in the /etc/pam.d/su file. On Fedora 29 you first need to set up a root password. su: Authentication failure I know for sure that I've used the correct password. Hello mates, I have installed kali on Windows with WSL, and I have created a default user in it. What is the point in delaying the signing of legislation that the President supports? 1. As far as I can remember, the default password for root is toor. [ Log in to get rid of this advertisement] ler0nldb2>su. Open Terminal and type sudo passwd root. Enter the password of the user you are now when you do the sudo. rev 2021.3.12.38768. Usually this is the same as your email address, however some SMTP servers require a different set of credentials that are separate from those used to receive email. 1 post • Page 1 of 1. viking777 Level 14 Posts: 5113 Joined: Mon Dec 01, 2008 4:21 pm. You can keep this password the same as Sudo password. The SUID bit should be set (an "s" instead of an "x" in the first part of the permissions). ler0nldb2>sudo -i. How do I fix it? This will be used as a root password. The default password that is installed in Kali for the root account is ‘toor’ (root spelled backwards). I used these steps and this solved the same problem for me, su: Authentication failure. Now the terminal will ask for new password. Im trying to install mathematica on my pc and am having trouble using the ./file.sh command Anyway, when i type su in the terminal, i enter my password and it says "su: Authentication Failure" With root privilege, you may fix as follows: 1. Is there a link between democracy and economic prosperity? The first thing to check is the permission on the 'su' command. su test It asks me for a password, but when I enter the password, I get the following error: su: Authentication failure PS: I realize the dangers of adding passwords to bash scripts, but this is not what I am doing. When I try to switch to another user from the command line using "su", I get an authentication failure, as shown below: Yet I know that the password is correct because I can successfully log in to the desk top as the other user from the Ubuntu login screen. Add the sticky bit permissions the the /usr/bin/su file as follows: # chmod u+s /usr/bin/su 3. By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. However, this user has only limited privileges, so I decided to use root instead. You can "sudo su - user" or you can "sudo su -" then do "su - user". By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. by saulgoode » 2011-07-29 15:28. Answer: Let us address these two question one by one. I am using the docker ubuntu image and logging in as root. Heart Radio Number To Win, Grade 10 Tourism 2020 Revised Pat Memorandum, Add On Blinds For Sidelights, Douglas County Colorado Building Codes, Window Decals For Home Privacy, International Auto Group, Point Pleasant Beach Front For Sale, + 4morecheap Eatshot Wok, Pasha's Piri Piri, And More, " />

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su: authentication failure

If possible, you should always … su (command) Authentication Failure. UPDATE: I just tried again and it worked! My system software is installed on an encrypted LVM on hda1 and hda2. Which languages have different words for "maternal uncle" and "paternal uncle"? /opt/quest/bin/vastool user checklogin -s ssh kali@localhost:~$ su Password: su: Authentication failure kali@localhost:~$ sudo Password: su: Authentication failure. sudo takes your USERPASSWORD, su needs the ROOTPASSWORD.. two different passwords and since F29 does not set a root password on installation, you will never now it until you set it explicitly. If you want to define a root password (to use su -): sudo -i, then passwd (or sudo passwd may also work). ex. After you entered your correct password. Questions about other topics - please check if your question fits better in another category before posting here. That can only be because the password you're entering is incorrect. What tool do I need in order to remove these pedals? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The script asks the user to enter the password, and uses it in the script like this: After I run this : su - root and insert password (correct password) get a error : Does the following succeed or fail ? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Warning: Enabling root is not recommended. How to travel to this tower with a gorgeous view toward Mount Fuji? The various settings for PAM are found in /etc/pam.d/. Instead of su use sudo to become root : >sudo -i root account is disabled by default in Ubuntu, so there is no root password associated with it. Now terminal will ask for your password type your existing password. The password is the correct one, I use the same with sudo and works fine. Ok, how about this one: "sudo -u " ? Enter the password of the user you are now when you do the sudo. Note that the password you will need is your user password, not the root password (Assuming, of course, you have set up sudo and your user is a member of wheel ) Realized it pretty quick, when trying to shutdown via Gnome, that I … If it is just sshd method that is failing, then please read Knowledge Article 25951 . The best answers are voted up and rise to the top, Super User works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. There are quite a few conditions that could cause Authentication Failed: The user name is incorrect. I ran tail -f /var/log/secure to see what it's outputting, and it allowed the login this time. I can boot up into the kde desktop okay, but when I open up konsole and type 'su' and my root password I get the message "su: Authentication failure". Also, is it possible for me to login to Ubuntu using root account directly? Why don't we see the Milky Way out the windows in Star Trek? Password: chsh: PAM: Authentication failure. See this page for what you should use for a rootshell: RootSudo, This page also will explain how to get a terminal as another user. – circle May 12 '13 at 12:30 You can use sudo su - newuser – Hennes May 12 '13 at 12:33 @Hennes No, not when I'm logged in as usertwo, which does not have sudo rights. Does anyone know what could be causing this problem? Are questions on theory useful in interviews? Is there a special default password? The su command doesn't seem to be working on my fresh Fedora 29 installation. su: Authentication Failure . Now the terminal will ask for new password. I have tried a couple of times to fix this issue, I have also attempted to solve by trying out several solutions that I found online, but all to no avail. My question is why is it there if I should not use it? So I have installed Kali Linux with Linux Deploy on a sdcard, the installation was sucssesful nothing went wrong, I got on Kali Linux with a VNC, I turn the LXTerminal and try getting root but it doesn't work, I tried every sudo command aswell as su with every possible password but it still doesn't work. ls -l /bin/su. florian ( 2018-05-03 10:48:18 -0600 ) edit 1- Set root password: passwd root and success; 2- Adduser testaccount : adduser testaccount; 3- Change user to test account: su - testaccount , which is ok; 4- After step 3, it is testaccount bash. When you use the sudo command, you will be asked for your user’s password! Re: su: Authentication failure [Solved] Just as an experiment, what happens if you try sudo su ? su authentication failure So the other night i did a chgrp -R and accidentally changed the group of / to www. How can I update values based on the value from the previous day? Is it ever worth it to refinance an auto loan for a higher APR? It says “su: Authentication failure”. 1. selinux is set to enforcing but there's no restriction on users. -rws--x--x 1 root root 55649 Apr 11 01:11 /bin/su. To learn more, see our tips on writing great answers. Active 3 months ago. First check the current permissions for the /usr/bin/su binary file. "whoami". each time I try to login into the postgres account to create the development database for the rails application. su requires you to provide root’s password. [/QUOTE]There should be no need for a password, did you do the 'su - zimbra' as root? It asks for a password and then it just says: su: Authentication failure. RUN chsh -s /bin/bash www-data (dockerfile) i tried to change it to /bin/zsh but still doesn't work. Help! [sudo] password for ler0nldb2: root@ler0nldb2:~#. Tried: su, su -, su root, su - root - all return su: Authentication failure. "whoami" Re-enter the password to confirm. in a text editor. whenever i use su or sudo it says authentication failure. Re-enter the password to confirm. sudo works but su doesn't, Now terminal will ask for your password type your existing password, After you entered your correct password. # ls -l /usr/bin/su -rwxr-xr-x 1 root root 32208... 2. You can keep this password the same as. Hi, after searching google and asking in IRC Freenode > #debian and having the same problem as you I thought that if I removed my username and my home directory after making a backup I could have a solution for "su" authentication failure. Should we ask ambiguous questions on an exam? ex. Ask Question Asked 3 years, 3 months ago. Another possible cause of the “passwd: Authentication token manipulation error” is wrong PAM (Pluggable Authentication Module) settings.This makes the module unable to obtain the new authentication token entered. Viewed 3k times 2. su: Authentication Failure I have tried using the pasword set during the install as well as the root password, but unable to pass this authentication. su: Authentication failure. saslauthd[752]: pam_unix(imap:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost= user= for both imap:auth and smtp:auth As I have another 10 tablets to add with similar setups I suspect I am going to have a huge amount of errors generated in the secure log. Verify the password is being typed as expected, e.g. Is there a more modern version of "Acme", as a common, generic company name? This happens on a … Then I typed 'su root',and saw the dear 'Password:' 'toor' my fingers moved before I can think. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Use the exit command to logout of root privilages. After this, you will be able to use root access in the terminal. Asking for help, clarification, or responding to other answers. Forum rules Before you post please read how to get help. You can "sudo su - user" or you can "sudo su -" then do "su - user". If the auth command succeeds to troubleshoot the issue further narrow down what method of authentication is failing sshd, su, telnet, ftp, other. Physical explanation for a permanent rainbow. Using PAM Authentication Module. You need to be root to do "su". It only takes a minute to sign up. To allow users in a specific group to switch to another user account without a password, we can modify the default PAM settings for the su command in the /etc/pam.d/su file. On Fedora 29 you first need to set up a root password. su: Authentication failure I know for sure that I've used the correct password. Hello mates, I have installed kali on Windows with WSL, and I have created a default user in it. What is the point in delaying the signing of legislation that the President supports? 1. As far as I can remember, the default password for root is toor. [ Log in to get rid of this advertisement] ler0nldb2>su. Open Terminal and type sudo passwd root. Enter the password of the user you are now when you do the sudo. rev 2021.3.12.38768. Usually this is the same as your email address, however some SMTP servers require a different set of credentials that are separate from those used to receive email. 1 post • Page 1 of 1. viking777 Level 14 Posts: 5113 Joined: Mon Dec 01, 2008 4:21 pm. You can keep this password the same as Sudo password. The SUID bit should be set (an "s" instead of an "x" in the first part of the permissions). ler0nldb2>sudo -i. How do I fix it? This will be used as a root password. The default password that is installed in Kali for the root account is ‘toor’ (root spelled backwards). I used these steps and this solved the same problem for me, su: Authentication failure. Now the terminal will ask for new password. Im trying to install mathematica on my pc and am having trouble using the ./file.sh command Anyway, when i type su in the terminal, i enter my password and it says "su: Authentication Failure" With root privilege, you may fix as follows: 1. Is there a link between democracy and economic prosperity? The first thing to check is the permission on the 'su' command. su test It asks me for a password, but when I enter the password, I get the following error: su: Authentication failure PS: I realize the dangers of adding passwords to bash scripts, but this is not what I am doing. When I try to switch to another user from the command line using "su", I get an authentication failure, as shown below: Yet I know that the password is correct because I can successfully log in to the desk top as the other user from the Ubuntu login screen. Add the sticky bit permissions the the /usr/bin/su file as follows: # chmod u+s /usr/bin/su 3. By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. However, this user has only limited privileges, so I decided to use root instead. You can "sudo su - user" or you can "sudo su -" then do "su - user". By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. by saulgoode » 2011-07-29 15:28. Answer: Let us address these two question one by one. I am using the docker ubuntu image and logging in as root.

Heart Radio Number To Win, Grade 10 Tourism 2020 Revised Pat Memorandum, Add On Blinds For Sidelights, Douglas County Colorado Building Codes, Window Decals For Home Privacy, International Auto Group, Point Pleasant Beach Front For Sale, + 4morecheap Eatshot Wok, Pasha's Piri Piri, And More,

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