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Su Incorrect Password Centos

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Is every NP-hard problem computable? Recently we just had box returned to us that the customer said the could not longer connect to the box through the network interface. The time now is 07:35 PM. share|improve this answer edited Apr 19 at 2:16 answered Feb 26 '14 at 9:06 Mark Plotnick 12.4k12545 1 I usually use like : chmod 755 /bin/su , what is the

Registration is quick, simple and absolutely free. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. It is possible to define metric spaces from pure topological concepts without the need to define a distance function? Quote: Originally Posted by jschiwal Root logins should be restricted to the system console. http://www.centos.org/forums/viewtopic.php?t=46512

Su Incorrect Password Centos

Why did Michael Corleone not forgive his brother Fredo? UsePAM yes Disabling root logins, and adding "AllowUsers username ..." will further secure the sshd service. The default configuration in centos let me login with root in to gnome, ssh and console(tty1-tty6) for this reason I thought it was a problem. What is wrong with logging in as a normal user and su'ing to root or using logged sudo commands?

When I attempt to login using su - I get the following when I give it an incorrect password: $ su - Password: su: Authentication failure $ I'd try creating another There's a lot of good information and while it does not pertain specifically to CentOS it is still useful to know. add a comment| 3 Answers 3 active oldest votes up vote 1 down vote I solved the problem with the following script that must be used in the master node of Centos 7 Forgot Root Password more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

share|improve this answer answered Apr 27 '12 at 16:43 FRD 324215 not this option.. Hope this helps! :) Note: Try sudo nautilus also, so you can explore folders and file in the GUI. How can I remove an Online Account? I just started my first real job, and have been asked to organize the office party.

UNIX is a registered trademark of The Open Group. Centos Root Password Reset This is likely because your useid is not in the wheel group. Select 2D data in a certain range Can I hide disabled users in the User Manager? The /etc/ssh/sshd_config file has instructions for setting this up in the comments: Code: # Set this to 'yes' to enable PAM authentication, account processing, # and session processing.

Su Incorrect Password Linux

ditto for /etc/nsswitch.conf or your PAM configuration. Class forcing as set forcing followed by truncation Method to return date ranges of 1 year Can I hide disabled users in the User Manager? Su Incorrect Password Centos Join them; it only takes a minute: Sign up SSH root login on CentOS [closed] up vote -1 down vote favorite Hy, I need to login as root on a instance Centos Cannot Login From Console It makes your computer more vulnerable than windows to malicious attacks.

Root logins is typically permitted by default, at least on most of the Red Hat distros: $ sudo grep PermitRoot /etc/ssh/sshd_config #PermitRootLogin yes # the setting of "PermitRootLogin without-password". Browse other questions tagged centos login authentication su or ask your own question. This site is not affiliated with Linus Torvalds or The Open Group in any way. For example when we use vi editor to open /etc/passwd file following were noticed : vi /etc/passwd root:x:0:0:root:/root:/bin/bash^M The ^M should not be there and is likely introduced by editing on Centos Can't Login

You can use an existing key or create a new one with: ssh-keygen And follow the next steps: 1- Copy the content of the public key (cat .pub). 2- Go to You can send screenshot at [emailprotected] Regards Sharad Reply mayur says January 31, 2015 at 9:37 am 8] IF you have done with above mentioned commands with their result but still Reason: there might be blocks in place to inhibit root login from anywhere but the console. –mdpc Dec 20 '12 at 23:16 add a comment| 4 Answers 4 active oldest votes I would like to see the screenshot of error as it seems the information and way you are trying is not clear to me.

jschiwal View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by jschiwal Thread Tools Show Printable Version Email this Page Search this Thread Advanced Securetty Having a problem logging in? When you attempt to do the su - command you should see entries in /var/log/secure about the attempt. $ sudo grep su /var/log/secure | grep -v sudo Feb 23 23:31:26 greeneggs

Please advise.

Without anyone notifying you of changes then I would assume it's hacked. Browse other questions tagged ssh centos root google-compute-engine or ask your own question. Thanks for replying so quickly. Sudo: Effective Uid Is Not 0, Is Sudo Installed Setuid Root? Disconnect it from your network IMMEDIATELY.

Main Menu LQ Calendar LQ Rules LQ Sitemap Site FAQ View New Posts View Latest Posts Zero Reply Threads LQ Wiki Most Wanted Jeremy's Blog Report LQ Bug Syndicate Latest You could do the same thing with one of the system-config-* programs or log viewer programs, when the server is running in run level 3. In PuTTY session I am not even typing the password, just doing a right click after copying from Notepad. Consider using pubkey authentication instead of Challenge Response authentication.

just run # grep sshd * | grep the_number_of_the_date_that_you_want_to_check or you can run this grep -Ri ssh /var/log/* Also: 1. I have not made any other user yet. But this is still Linux, and we can configure this. Returned 0,0,Success(Mon Jun 2 14:29:28 2014) [sssd[be[ABC.net]]] [be_get_account_info] (0x0100): Got request for [4098][1][idnumber=200138554](Mon Jun 2 14:29:28 2014) [sssd[be[ABC.net]]] [acctinfo_callback] (0x0100): Request processed.

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