script to start your miner or whatever while the screen is locked

lockscreen-mining.sh

#!/bin/bash

# lockscreen-mining.sh script to start your miner or whatever while the screen is locked

XMRIG_BINARY=xmrig
XMRIG_CONFIG=/home/jsantos/opt/xmrig.json

start_miner () {
    if pgrep -x $XMRIG_BINARY > /dev/null
    then
        echo "xmrig already running"
        return
    else 
        echo "xmrig not running .. starting"
    fi

    2>/dev/null 1>&2 $XMRIG_BINARY -B -c $XMRIG_CONFIG &
}

stop_miner () {
    pkill -x $XMRIG_BINARY
}


is_screen_locked()
{
  if dbus-send --session --dest=org.freedesktop.ScreenSaver --type=method_call --print-reply /org/freedesktop/ScreenSaver org.freedesktop.ScreenSaver.GetActive | grep 'boolean true' > /dev/null; then
    # "locked"
    return 0
  else
    # "unlocked"
    return 1
  fi
}

# send self to the background
if [[ "$1" != "-n" ]]; then
    $0 -n & disown
    exit $?
fi


while true; do
    if is_screen_locked; then
        start_miner
    else
        stop_miner
    fi

    sleep 2
done