How to extend the HDD space inside Virtual Box & Stand-Alone installations:

umount /dev/mapper/VolGroup-lv_home
e2fsck -f /dev/mapper/VolGroup-lv_home
resize2fs -p /dev/mapper/VolGroup-lv_home 10G
lvreduce -f -L 10G /dev/mapper/VolGroup-lv_home
e2fsck -f /dev/mapper/VolGroup-lv_home
mount /dev/mapper/VolGroup-lv_home /home
lvextend -l +100%FREE -r /dev/mapper/VolGroup-lv_root

[wait.. until the root prompt arrives.. time-delay is based on the HDD size]

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How to extend the HDD space inside AWS

df -h
lsblk
cp -p /boot/initramfs-$(uname -r).img /boot/initramfs-$(uname -r).img.bak
dracut -f
rebbot
lsblk
resize2fs /dev/xvda2
df -h

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How to Update time zone in AWS:

mv /etc/localtime /etc/localtime.bak
ln -s /usr/share/zoneinfo/Asia/Kolkata /etc/localtime
ntpdate pool.ntp.org
export EDITOR=/usr/bin/vim

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