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Useradd Cannot Open /etc/shadow


O_RDONLY : O_RDWR) | O_NOCTTY | O_NONBLOCK | O_NOFOLLOW); Do you see O_NOFOLLOW? Press Ctrl + Alt + Del, Or install linux! addr=? How can I save a file to a new location from inside Vim? http://bovbjerg.net/cannot-open/useradd-cannot-open-shadow-password-file.php

DistroUbuntu Re: Can't open etc shadow Originally Posted by p_quarles Moved to Security Discussions. Perhaps you've got a wrong label on one or more of those files, what's the output of ls -lhZ /etc/passwd /etc/shadow $(which userdel)? What is this line of counties voting for the Democratic party in the 2016 elections? Would the members of an online imageboard (or any community) be able to build a post-apocalytic society upon their reputation?

Useradd: Cannot Open /etc/passwd

UNIX is a registered trademark of The Open Group. NO! Kind regards repo View Public Profile View LQ Blog View Review Entries View HCL Entries Visit repo's homepage! This is the culprit (from man 2 open): O_NOFOLLOW If pathname is a symbolic link, then the open fails.

Would the members of an online imageboard (or any community) be able to build a post-apocalytic society upon their reputation? To start viewing messages, select the forum that you want to visit from the selection below. root root system_u:object_r:shadow_t:s0 /etc/shadow-rwxr-x---. Groupadd: Failure While Writing Changes To /etc/group To critique or request clarification from an author, leave a comment below their post. - From Review –Jakuje Jan 21 at 14:17 add a comment| Not the answer you're looking for?

How to stop NPCs from picking up dropped items Forcing everyone to speak the same language How does Gandalf end up on the roof of Isengard? Tracing pw_open leads to: $ grep -R pw_open * (...) lib/pwio.c:int pw_open (int mode) (...) pw_open implementation is: $ grep -A 3 'int pw_open (int mode)' lib/pwio.c int pw_open (int mode) I am aware of all internet traditions. | Getting the best help | Text formatting codes | My last.fm profile Should I PM support questions? Summarizing, useradd.c uses pw_open, which in turn uses commonio_open, which opens /etc/passwd using syscall open with option O_NOFOLLOW, that rejects symbolic links.

passwd: Error (password not set?) # strace passwd -l test Code: gettid() = 900 open("/proc/self/task/900/attr/current", O_RDONLY) = 5 read(5, "unconfined_u:unconfined_r:passwd"..., 4095) = 50 close(5) = 0 gettid() = 900 open("/proc/self/task/900/attr/fscreate", O_RDWR) Useradd Cannot Open Etc Passwd Ubuntu Top TrevorH Forum Moderator Posts: 17097 Joined: 2009/09/24 10:40:56 Location: Brighton, UK Re: userdel can't write to /etc/passwd Quote Postby TrevorH » 2016/06/05 12:18:38 What's the output from uname -a ? I needed to delete all four of the following files to proceed: sudo rm /etc/passwd.lock sudo rm /etc/shadow.lock sudo rm /etc/group.lock sudo rm /etc/gshadow.lock share|improve this answer answered Aug 2 '12 Join Date Jul 2012 Posts 5 ls -ltrh | grep shadow Code: -rw-------. 1 root root 494 Jul 20 08:10 gshadow- ----------. 1 root root 505 Jul 20 16:00 gshadow ----------+

  1. Any sysadmin expects those files to be there, not symlinked to /home or wherever.
  2. Can I sell a stock immediately Someone peeled an American flag sticker off of my truck.
  3. you should check the permissions of the file /etc/shadow, it should be like this: Code: [email protected]:/usr/src# ls -l /etc/shadow -rw-r----- 1 root shadow 682 2006-07-03 08:05 /etc/shadow chmod 0640 /etc/shadow If
  4. Or nis if you must.

Useradd: Failure While Writing Changes To /etc/passwd

They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own. What is the point of update independent rendering in a game loop? Useradd: Cannot Open /etc/passwd share|improve this answer answered Mar 25 '13 at 9:22 Dennis Kaarsemaker 13.9k2559 i'll take a look at ldap and nis –Mickael Ciocca Mar 25 '13 at 9:24 1 Useradd Cannot Lock /etc/passwd Try Again Later In Linux blah.26812:statfs("/selinux", {...

asked 1 year ago viewed 5061 times active 5 months ago Related 5Error Loading Shared Libraries when Installing Redhat Directory Server0Cannot create root jail2Why does chroot get ENOENT on an existing check over here CentOS 5 dies in March 2017 - migrate soon!Full time Geek, part time moderator. You may have to register before you can post: click the register link above to proceed. But under normal circumstances .... Groupadd Cannot Open /etc/group

Anyone have any idea on how to resolve this issue? Register. 07-24-2012 #1 Vladikhi View Profile View Forum Posts Private Message View Articles Just Joined! you can do restorecon to reset the permissions ----------. his comment is here Join Date Jul 2012 Posts 5 FC17 x86_64 /etc/shadow Problem Hello!

Ubuntu Logo, Ubuntu and Canonical Canonical Ltd. Usermod Cannot Open Etc Passwd Change to root user by issuing the command su - or if you have/use sudo sudo share|improve this answer answered Jun 13 '11 at 7:18 inquam 1836 add My cat sat on my laptop, now the right side of my keyboard types the wrong characters What is the meaning of ''cry oneself"?

When I use the adduser command it comes back with the error "useradd: cannot open shadow password file." Please help!

Browse other questions tagged linux rhel or ask your own question. The time now is 01:45 AM. vBulletin 2000 - 2016, Jelsoft Enterprises Ltd. Passwd: Failure While Writing Changes To /etc/shadow userdel: cannot lock /etc/passwd; try again later.

You may have to register before you can post: click the register link above to proceed. root root system_u:object_r:shadow_t:s0 shadow If you are ready to nuke your changes in pam, you can always run authconfig-tui and select shadow which will reset your pam settings. 07-24-2012 #3 Vladikhi I logged into the server and sudo su-. weblink Whatever you're trying to test: find a better way.

Reply With Quote 08-14-2006,04:19 AM #2 serz View Profile View Forum Posts Visit Homepage Registered User Join Date Apr 2003 Location Buenos Aires, Argentina Posts 4,221 Hmm.. I also used strace but somehow I didn't manage to find the relevant line, it's great you did! –jaume Apr 6 '13 at 18:02 add a comment| up vote 4 down If /etc/shadow is world-readable then it's trivial for any user on the system to run a password cracker on your passwords." Well I have chnaged it (/etc/shadow) to 640 -rw-r----- And Symmetric group action on Young Tableaux Assigning only part of a string to a variable in bash How good should one be to participate in PS?

you have to raise your user level by using "sudo" or "su" command. –Raptor Jun 13 '11 at 7:18 3 Your /etc/shadow directory?!? /etc/shadow should be a file. Lab colleague uses cracked software. So even if you could, you should leave passwd in /etc. Visit the following links: Site Howto | Site FAQ | Sitemap | Register Now If you have any problems with the registration process or your account login, please contact us.

Linux User #283077 Linux Counter Windows error fault 9872x1297 in sector 9812. pw_open is not a Linux syscall (apropos pw_open doesn't return any results), so it is probably implemented within this package. Notices Welcome to LinuxQuestions.org, a friendly and active Linux Community. What is the meaning of ''cry oneself"?

Do you want to help us debug the posting issues ? < is the place to report it, thanks ! Find More Posts by pcardout 09-01-2012, 10:31 AM #8 amolmistry Member Registered: Nov 2008 Posts: 45 Rep: Hello there, same issue with me.. This system has been taken offline, so there are no issues with security. hmmmm, nope.

Let's search for it. How good should one be to participate in PS? How can I open the next/previous file alphabetically? current community blog chat Server Fault Meta Server Fault your communities Sign up or log in to customize your list.

Is calling a function with local side-effects twice in the same expression undefined behavior? commonio_open is our new objective.