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)