<div class="im" style="color:rgb(80,0,80);font-family:arial,sans-serif;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">

<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="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">

<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="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">

<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 class="yj6qo ajU" style="outline:none;padding:10px 0px;width:22px;margin:2px 0px 0px;color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">

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</div><div class="HOEnZb adL" style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">

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