How to tell when RedHat was last updated rpm -qa --queryformat '%{installtime} (%{installtime:date}) %{name}\n' | sort -n | tail -n 1 dmidecode | grep -i vmwared midecode -t 1 #---------------------------------------------------------------------- # _ _ _ # | | | | (_) # __| | ___| |_ ___ _ __ _ __ ___ _ _ __ ___ # / _` |/ _ \ __/ _ \ '__| '_ ` _ \| | '_ \ / _ \ # | (_| | __/ || __/ | | | | | | | | | | | __/ # \__,_|\___|\__\___|_| |_| |_| |_|_|_| |_|\___| # _____ _____ _ _ _ ____ ___ _ _ _ # |____ |/ __ \ | | (_) | / ___| / | | | (_) | # / /`' / /' | |__ _| |_ ___ _ __ / /___ / /| | | |__ _| |_ # \ \ / / | '_ \| | __| / _ \| '__| | ___ \/ /_| | | '_ \| | __| # .___/ /./ /___ | |_) | | |_ | (_) | | | \_/ |\___ | | |_) | | |_ # \____/ \_____/ |_.__/|_|\__| \___/|_| \_____/ |_/ |_.__/|_|\__| #----------------------------------------------------------------------- [[email protected] ~]$ uname -m # x86_64 ==> 64-bit kernel # i686 ==> 32-bit kernelx86_64 [[email protected] ~] getconf LONG_BIT64 grep 'address sizes' /proc/cpuinfo grep 'flags' /proc/cpuinfo # Under "flags" parameter, you will see various values. # Among them, one is named or or# rm ==> 16-bit processor | rm(real mode) # tm ==> 32-bit processor | tm(transparent mode) # lm ==> 64-bit processor | lm(long mode)