Grep file-size from du -shFormat (10K , 10.1M , 1000.21G) Or Grep IP address Grep upper or lower character
Category Archives: Tools 101
cryptsetup
Create a LUKS (Linux Unified Key Setup) formatted, encrypted device: Display encrypted device info: Open (unlock) encrypted device Close (lock) encrypted device Add pass-phrase from key_file, total of eight are allowed Open encrypted drive using key file
dd
Fill a device with zeros Fill a device with 1024*10240 bytes of zeros Create a random key file: