ip addr ls
ping 192.168.200.241
vi /etc/network/interfaces 
w
who
cat /proc/partitions 
apt-get install lvm2
pvcreate /dev/xvda3
pvs
vgcreate vgdebian /dev/xvda3 
vgs
lvcreate -n srv -L 1G vgdebian
mkfs.ext4 -L srv /dev/vgdebian/srv 
vi /etc/fstab
mount -a
df -h
date > /srv/date.txt
cat /srv/date.txt 
df -h
cat /proc/partitions 
resize2fs /dev/xvda2 
df -h
free