<div class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Verdana">Dear All,<BR></SPAN></div>  <div class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Verdana">I am using RedHat Enterprise Linux -4.0 and just now I upgraded my system. When I enter a command su - username. It shows incorrect password. when I create a new user now also I could not switch to that user account. I searched all the solution for this issue in the net. It does not work. Kindly give me your suggestion.<BR></div></SPAN>  <div class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Verdana">Thanks & Regards<BR>Thamizh</SPAN></div>  <div class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Verdana"></SPAN> </div>  <div class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN style="FONT-SIZE: 10pt; COLOR: black;
 FONT-FAMILY: Verdana">here is my /etc/pam.d/su file<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></div>  <div> </div>  <div>#%PAM-1.0<BR>auth       sufficient   /lib/security/$ISA/pam_rootok.so<BR># Uncomment the following line to implicitly trust users in the "wheel" group.<BR>#auth       sufficient   /lib/security/$ISA/pam_wheel.so trust use_uid<BR># Uncomment the following line to require a user to be in the "wheel" group.<BR>#auth       required     /lib/security/$ISA/pam_wheel.so use_uid<BR>auth       required     /lib/security/$ISA/pam_stack.so service=system-auth<BR>account    required     /lib/security/$ISA/pam_stack.so service=system-auth<BR>password   required    
 /lib/security/$ISA/pam_stack.so service=system-auth<BR># pam_selinux.so close must be first session rule<BR>session    required     /lib/security/$ISA/pam_selinux.so close<BR>session    required     /lib/security/$ISA/pam_stack.so service=system-auth<BR># pam_selinux.so open and pam_xauth must be last two session rules<BR>session    required     /lib/security/$ISA/pam_selinux.so open multiple<BR>session    optional     /lib/security/$ISA/pam_xauth.so<BR>~<BR></div><p>


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