Display one specific line of the file to terminal:
sed -n 5p <FILE>
Print multiple lines of the file to terminal (line 5 and 10):
sed -n -e 5p -e 10p <FILE>
Print a range of lines of the file to terminal (lines 5 to 10):
sed -n 5,10p <FILE>
Image to base64 (single-line) bash variable:
IMAGE_B64=$(base64 -w 0 <IMAGE>)
Create virtual env in python:
python3 -m venv <ENV_NAME>
Format disk to btrfs:
# Use gdisk for GPT type partition table and if they're larger than 2TB
sudo gdisk /dev/<DISK>
# Use fdisk for MBR or GPT type partition table and if they're smaller than 2TB
sudo fdisk /dev/<DISK>
# As an alternative, you can use parted
sudo parted /dev/<DISK>
# Format the disk to btrfs
sudo mkfs.btrfs -f -L <LABEL> /dev/<DISK>