how do i disable writing to /var/log/lastlog file. In our system we had to use a vfat file system for /var/log and since it doesn't support sparse files, our lastlog file gets real huge. I'm tried 'session required pam_lastlog.so noupdate' as last rule in /etc/pam.d/login but it doesn't seem to be working.how do i disable writing to /var/log/lastlog fi