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Useradd Cannot Open /etc/shadow

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groupadd: cannot open /etc/group btw useradd output is [email protected]:/home# adduser testuser useradd: cannot open /etc/passwd debian share|improve this question asked Mar 25 '13 at 9:00 Mickael Ciocca 2413 1 I'm Here's my system: # uname -a Code: Linux localhost 3.4.5-2.fc17.x86_64 #1 SMP Mon Jul 16 20:52:08 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux # userdel test Code: userdel: cannot open /etc/shadow # blah.26812:open("/etc/.pwd.lock", O_WRONLY|O_CREAT|O_CLOEXEC, 0600) = 7 blah.26812:link("/etc/passwd.26812", "/etc/passwd.lock") = 0 blah.26812:link("/etc/shadow.26812", "/etc/shadow.lock") = 0 blah.26812:link("/etc/group.26812", "/etc/group.lock") = 0 blah.26812:link("/etc/gshadow.26812", "/etc/gshadow.lock") = 0 blah.26812:unlink("/etc/shadow.lock") = 0 blah.26812:unlink("/etc/passwd.lock") = 0 blah.26812:unlink("/etc/group.lock") = 0 blah.26812:unlink("/etc/gshadow.lock") Ubuntu Ubuntu Insights Planet Ubuntu Activity Page Please read before SSO login Advanced Search Forum The Ubuntu Forum Community Ubuntu Specialised Support Security Can't open etc shadow Having an Issue With weblink

I'd give it +10 if I could. –MadHatter Mar 25 '13 at 13:52 @MadHatter - Thanks, I appreciate your feedback. –jaume Mar 25 '13 at 13:54 @jaume commonio_open is our new objective. 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 Straight line equation Isn't AES-NI useless because now the key length need to be longer?

Useradd: Cannot Open /etc/passwd

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? Here is a link to the KB article that showed how to stop the agent: Mcafee HIPs agent linux rhel share|improve this question edited Aug 14 '15 at 18:54 asked Aug How can I save a file to a new location from inside Vim? Ever.

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  3. Hal Pomeranz, Deer Run Associates [[ Various Linux/Unix related documents ]] [[ Command-Line Kung Fu blog ]] Adv Reply June 1st, 2008 #4 Dr Small View Profile View Forum Posts
  4. Selinux has a log that might be worth looking through... –thrig Aug 13 '15 at 15:41 1 This does not provide an answer to the question.
  5. install rawhide 2.

O_RDONLY : O_RDWR) | O_NOCTTY | O_NONBLOCK | O_NOFOLLOW); Do you see O_NOFOLLOW? This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. What do I do? Groupadd: Failure While Writing Changes To /etc/group You need to execute $ restorecon -R -v /etc/passwd /etc/group Comment 4 Wendell Baker 2012-01-24 12:06:04 EST Got it.

CentOS The Community ENTerprise Operating System Skip to content Search Advanced search Quick links Unanswered posts Active topics Search The team FAQ Login Register Board index CentOS 7 CentOS 7 - Useradd: Failure While Writing Changes To /etc/passwd djserz.com.ar "All the drugs in this world won't save you from yourself..." Reply With Quote 08-14-2006,10:22 AM #4 mike8706 View Profile View Forum Posts Visit Homepage Friend of Tux Join Date Solving a discrete equation Polyglot Anagrams Robbers' Thread MathSciNet review alert? pw_open is not a Linux syscall (apropos pw_open doesn't return any results), so it is probably implemented within this package.

If /etc/shadow is world-readable then it's trivial for any user on the system to run a password cracker on your passwords. Useradd Cannot Open Etc Passwd Ubuntu Although a symlink can be used as a replacement of a file in many (I'd say most) situations, useradd is quite picky and rejects it, probably because a symlinked /etc/passwd strongly Please visit this page to clear all LQ-related cookies. Reply With Quote Quick Navigation Software Top Site Areas Settings Private Messages Subscriptions Who's Online Search Forums Forums Home Forums Community Help: Check the Help Files, then come here to ask!

Useradd: Failure While Writing Changes To /etc/passwd

root root system_u:object_r:useradd_exec_t:s0 /usr/sbin/userdelIt looks the same to me. you can do restorecon to reset the permissions ----------. Useradd: Cannot Open /etc/passwd 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 Useradd Cannot Lock /etc/passwd Try Again Later In Linux LinuxQuestions.org > Forums > Linux Forums > Linux - Server [SOLVED] problem with /etc/passwd User Name Remember Me?

Ubuntu Logo, Ubuntu and Canonical Canonical Ltd. http://rinfix.com/cannot-open/ubuntu-cannot-open-tun-tap-dev.html strace is your friend. As to why a link cannot be made, link(2) indicates that the filesystem does not support the creation of hard links, which means you either have a strange filesystem, or a Top varusrntoolong Posts: 40 Joined: 2016/03/08 21:21:44 Re: userdel can't write to /etc/passwd Quote Postby varusrntoolong » 2016/06/06 09:02:59 [email protected]:~# ls -lhZ /etc/passwd /etc/shadow-rw-r--r--. Groupadd Cannot Open /etc/group

What are you trying to do? I logged into the server and sudo su-. Would the members of an online imageboard (or any community) be able to build a post-apocalytic society upon their reputation? http://rinfix.com/cannot-open/ubuntu-useradd-cannot-open-etc-passwd.html djserz.com.ar "All the drugs in this world won't save you from yourself..." Reply With Quote 08-14-2006,04:22 AM #3 serz View Profile View Forum Posts Visit Homepage Registered User Join Date Apr

Done Building dependency tree Reading state information... Usermod Cannot Open Etc Passwd The time now is 01:45 AM. TIKZ: foreach not compatible with calc-library?

This is the culprit (from man 2 open): O_NOFOLLOW If pathname is a symbolic link, then the open fails.

Different distro but same error. How to reply? Press Ctrl + Alt + Del, Or install linux! Passwd: Failure While Writing Changes To /etc/shadow Search this Thread 03-26-2011, 09:29 AM #1 mahmoodn Member Registered: May 2010 Posts: 409 Rep: problem with /etc/passwd Hi, I want to add a user with useradd command, however

Having a problem logging in? Use the FAQ Luke Top varusrntoolong Posts: 40 Joined: 2016/03/08 21:21:44 Re: userdel can't write to /etc/passwd Quote Postby varusrntoolong » 2016/06/05 13:38:02 Hey Trevor,it's centos 7 running updated.Linux centos7.local 3.10.0-327.18.2.el7.x86_64 share|improve this answer answered Jan 28 '12 at 22:12 Robin Green 711621 I've been reading many threads with my problem and that was actually the solution. this content Results 1 to 4 of 4 Thread: FC17 x86_64 /etc/shadow Problem Thread Tools Show Printable Version Email this Page… Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch

strace -o /root/blah -ff useradd gmiller cat /root/blah.30644 execve("/usr/sbin/useradd", ["useradd", "gmiller"], [/* 21 vars */]) = 0 brk(0) = 0x7f0388d2b000 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f03878df000 access("/etc/ld.so.preload", R_OK) = 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)? Contact Us - Advertising Info - Rules - LQ Merchandise - Donations - Contributing Member - LQ Sitemap - Main Menu Linux Forum Android Forum Chrome OS Forum Search LQ To answer the question we need to take a look at the source code of useradd (I did this on Ubuntu 12.04, on Debian it may differ slightly): Find out which

Departing from airport before visa is valid, but arriving when it is My boss asks me to stop writing small functions and do everything in the same loop Teenage daughter refusing When I use the adduser command it comes back with the error "useradd: cannot open shadow password file." Please help! 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) I boot from grub with init=/bin/bash.

Need to relabel the tmpfile /etc/passwd- (which doesn't exist) too. [root@rawhide.local ~]# /sbin/restorecon -v -v -R /etc/{passwd,group,shadow,gshadow} /sbin/restorecon reset /etc/passwd context system_u:object_r:etc_t:s0->system_u:object_r:passwd_file_t:s0 /sbin/restorecon reset /etc/group context system_u:object_r:etc_t:s0->system_u:object_r:passwd_file_t:s0 [root@rawhide.local ~]# useradd -u Home Forum Today's Posts | FAQ | Calendar | Community Groups | Forum Actions Mark Forums Read | Quick Links View Site Leaders | Unanswered Posts | Forum Rules Articles Marketplace root root system_u:object_r:shadow_t:s0 /etc/[email protected]:~# ls -lhZ $(which userdel)-rwxr-x---. Do you want to help us debug the posting issues ? < is the place to report it, thanks !

I can post each file if necessary. How would strace help me? Make space on my file system fixed the problem ---------- Post added 08-22-12 at 05:07 PM ---------- I had a different problem.