base64-encoding-snippet

# Encoding piped string
cat myexamplefile.txt | base64

# Decoding piped string
cat mybase64encodedfile.txt | base64 -d

hearty-commands-base64-password

# date +%s           displays the current date in POSIX time format
# sha256             gets the checksum of this string
# base64             converts this to a base64 string
# head -c 64         gets the first 64 bytes of the piped content
# echo               displays the manipulated string
date +%s | sha256sum | base64 | head -c 64 ; echo

hearty-commands-ssh

# Login with SSH with an alternative port number
ssh [email protected] -p {port-number}

# Add a quoted commando to login, run the command and close the session
ssh [email protected] -p {port-number} 'ls -al'

# Copy a local file to the remote server with scp, this will copy to the home folder of user
scp -P {port-number} {local-file} [email protected]:~/{destination-file}

# Copy a remote file to local with scp, yet again home folder as target
scp -P {port-number} [email protected]:~/{remote-file} {local-directory}

hearty-commands-strong-password

# tr -cd             will act as a filter for what characters we want to allow
# < /dev/urandom     will echo the contents of the file to stdin
# head -c 64         gets the first 64 bytes of the piped content
# echo               displays the manipulated string
tr -cd [:graph:] < /dev/urandom | head -c 64 ; echo

hearty-qr-commands

# Create a simple QR Code
qrencode -o qr-anything.png '#spreaditlikebutter'

# Create a "Setup my network QR Code"
# This will prompt for the SSID and WPA password
qrencode -s 7 -o qr-wifi.png "WIFI:S:$(zenity --entry --text="Network name (SSID)" --title="Create WiFi QR");T:WPA;P:$(zenity --password --title="Wifi Password");;"