Hi, <br><br>Word of explanation to avoid further confusion:<br><br>the problem has been traced back to a misconfiguration -> NOSUID was set on the partition in question...<br>quick and dirty summary: FAI OK, PAM OK, sudo/su OK.<br>

<br>Regards<br>Michal<br><br><div class="gmail_quote">On Thu, Jul 5, 2012 at 12:26 PM, Katarzyna Myrek <span dir="ltr"><<a href="mailto:oliviakrk@gmail.com" target="_blank">oliviakrk@gmail.com</a>></span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im"><div style="text-indent:0px;letter-spacing:normal;font-variant:normal;text-align:-webkit-auto;font-style:normal;font-weight:normal;line-height:normal;color:rgb(80,0,80);text-transform:none;font-size:13px;white-space:normal;font-family:arial,sans-serif;word-spacing:0px">



<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">In /var/log/auth.log I get:</span><div style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br></div><div style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">



<br></div><div style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><span style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px;background-color:rgb(250,250,250)">unix_chkpwd: check pass; user unknown </span><br style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px">



<span style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px;background-color:rgb(250,250,250)">unix_chkpwd: check pass; user unknown </span><br style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px">



<span style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px;background-color:rgb(250,250,250)">unix_chkpwd: password check failed for user (root) </span><br style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px">



<span style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px;background-color:rgb(250,250,250)">su: pam_unix(su:auth): authentication failure; logname=bla uid=1000 euid=1000 tty=/dev/tty3 ruser=bla rhost= user=root </span><br style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px">



<span style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px;background-color:rgb(250,250,250)">su: pam_authenticate: Authentication failure </span><br style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px">



<span style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px;background-color:rgb(250,250,250)">su: FAILED su for root by logname </span><br style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px">



<span style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px;background-color:rgb(250,250,250)">su: - /dev/tty3 logname:root </span></div><div style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">



<span style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px;background-color:rgb(250,250,250)"><br></span></div></div><div style="text-indent:0px;letter-spacing:normal;font-variant:normal;text-align:-webkit-auto;font-style:normal;font-weight:normal;line-height:normal;color:rgb(34,34,34);text-transform:none;font-size:13px;white-space:normal;font-family:arial,sans-serif;word-spacing:0px">



<span style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px;background-color:rgb(250,250,250)">Regards,</span></div><div style="text-indent:0px;letter-spacing:normal;font-variant:normal;text-align:-webkit-auto;font-style:normal;font-weight:normal;line-height:normal;color:rgb(34,34,34);text-transform:none;font-size:13px;white-space:normal;font-family:arial,sans-serif;word-spacing:0px">



<span style="color:rgb(68,68,68);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:11px;line-height:13px;background-color:rgb(250,250,250)">Olivia</span></div></div><div style="text-indent:0px;letter-spacing:normal;font-variant:normal;text-align:-webkit-auto;width:22px;font-style:normal;font-weight:normal;outline:none;padding:10px 0px;line-height:normal;color:rgb(34,34,34);text-transform:none;font-size:13px;white-space:normal;margin:2px 0px 0px;font-family:arial,sans-serif;word-spacing:0px">



<div style="background-color:rgb(241,241,241);border:1px solid rgb(221,221,221);clear:both;line-height:6px;outline:none;width:20px"><img src="" style="background-image:url('');min-height:8px;width:20px;background-repeat:no-repeat no-repeat"></div>



</div><div class="HOEnZb"><div class="h5"><div style="text-indent:0px;letter-spacing:normal;font-variant:normal;text-align:-webkit-auto;font-style:normal;font-weight:normal;line-height:normal;color:rgb(34,34,34);text-transform:none;font-size:13px;white-space:normal;font-family:arial,sans-serif;word-spacing:0px">



<div style="color:rgb(80,0,80)"><br><div class="gmail_quote">2012/7/5 Denny Schierz<span> </span><span dir="ltr"><<a href="mailto:linuxmail@4lin.net" style="color:rgb(17,85,204)" target="_blank">linuxmail@4lin.net</a>></span><br>



<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><br>Am 05.07.2012 um 11:30 schrieb Katarzyna Myrek:<br><div>



<br>> But they didn't help...<br><br></div>looks for me like a PAM problem. Take a look into /var/log/auth.log also (for sudo) in /etc/sudoers<br><br>cu denny</blockquote></div></div></div>
</div></div></blockquote></div><br><br clear="all"><br>-- <br>Michal Dwuznik<br>