linux change date command line code example
Example 1: how to mannually change date and time in linux
date -s "19 APR 2012 11:14:00"
Example 2: debian change time command line
sudo date -s "$(wget -qSO- --max-redirect=0 google.com 2>&1 | grep Date: | cut -d' ' -f5-8)Z"
sudo hwclock --systohc