900260 Automated Visual Event Detection and Classification : AVEDac Beowulf Cluster Miscellaneous Settings This page last changed on Apr 21, 2010 by dcline. ## Pam.d settings As root user, in /etc/pam.d, check your settings against these. These are correct to allow for rsh, ssh, and rexec across nodes, but not rlogin. /etc/pamd.d/rexec
    #auth       required	pam_nologin.so
    #auth       required	pam_securetty.so
/etc/pamd.d/rsh
    auth       sufficient	pam_nologin.so
    auth       optional 	pam_securetty.so
    auth       sufficient	pam_env.so
    auth       sufficient	pam_rhosts_auth.so
    account    sufficient	pam_stack.so service=system-auth
    session    sufficient	pam_stack.so service=system-auth
/etc/pamd.d/rlogin
    auth       sufficient	pam_rhosts_auth.so
    #auth       required	pam_securetty.so
    auth       required	pam_nologin.so
    auth       required     pam_env.so
    auth       required	pam_stack.so service=system-auth
    account    required	pam_stack.so service=system-auth
    password   required	pam_stack.so service=system-auth
    session    required	pam_stack.so service=system-auth
/etc/pamd.d/sshd
    auth       required     pam_stack.so service=system-auth
    auth       sufficient	pam_nologin.so
    account    required     pam_stack.so service=system-auth
    password   required     pam_stack.so service=system-auth
    session    required     pam_stack.so service=system-auth
    session    required     pam_limits.so
    session    optional     pam_console.so
## SSH settings Check if the following are in /etc/ssh/ssh_config, /etc/ssh/ssh_config
    Host *
    ForwardX11 yes
    StrictHostKeyChecking no
    UsePrivilegedPort no
then restart the service
    service sshd restart

Document generated by Confluence on Feb 03, 2026 14:12