helpful

Make Capslock to act as Esc §

xmodmap -e "keycode 66 = Escape NoSymbol Escape"

source

Format pen drive §

sudo umount /dev/sdb*
sudo dd if=/dev/zero of=/dev/sdb bs=512 count=1
sudo fdisk /dev/sdb
# Command (m for help): n
# Command (m for help): p
# choose other values default
# Command (m for help): w
sudo mkfs.ntfs /dev/sdb1

# below command only if you think there is some corruption in the drive
# For ex: one time I was not able to mount it so after running this command was able to mount my pendrive
sudo ntfsfix /dev/sdb1

Few permissions command that always help me §

# To see the list of users belong to any group
getent group <GROUP_NAME>
 
# Add current user to particular group
sudo usermod -aG <GROUP_NAME> $USER