http://linuxexchange.org/questions/1046/login-problem-in-rhel-60-beta<p>I have downloaded RHEL 6 beta from www.redhat.com site and installed it on my PC successfully. When I want to login with root in GNOME/KDE, the system gives me a error message that <em>AUTHENTICATION FAILED</em> and I'm unable to login while I can login with root from terminal/text mode.</p> <p>But I can login with other user or local user successfully.</p> <p>Please help me and solve my this problem.</p>enTue, 13 Jul 2010 15:49:55 -0400http://linuxexchange.org/questions/1046/login-problem-in-rhel-60-beta/1047<p>First off: The usual lecture about not using root for routine tasks, or use sudo if you need to. Now your actual problem.</p> <p>It sounds like your login manager is not letting you login as root, which means either gdm, or kdm.</p> <p>Their was a change made in fedora that fits this description. I know they disabled root logins via gdm and pam.</p> <p>For Gnome:</p> <p>Look at /etc/pam.d/gdm</p> <p>Look for the line:</p> <p>auth required pam_succeed_if.so user != root quiet</p> <p>If it's there make a copy of the original file, and delete the line.</p> <p>If your using kde, youll need to look at your kdmrc file, and change AllowRootLogin to true</p>rfelsburgTue, 13 Jul 2010 15:49:55 -0400http://linuxexchange.org/questions/1046/login-problem-in-rhel-60-beta/1047