Debian消息通知如何设置

sudo apt install notify-send

notify-send "Dinner ready!"

echo '
function remind () {
    local COUNT"$#"
    local COMMAND="$1"
    local MESSAGE="$2"
    local OP="$3"
    shift 3
    local WHEN="$@"

    # Display help if no parameters or help command if [[ COUNT -eq 0  "COMMAND"  "help"  "COMMAND"  "--help"  "COMMAND"  "-h" ]]; then
        echo "COMMAND"
        echo "remind"
        echo "remind"
        echo
        echo "DESCRIPTION"
        echo "Displays notification at specified time"
        echo
        echo "EXAMPLES"
        echo 'remind "Hi there" now'
        echo 'remind "Time to wake up" in 5 minutes'
        echo 'remind "Dinner" in 1 hour'
        echo 'remind "Take a break" at noon'
        echo 'remind "Are you ready?" at 13:00'
        echo 'remind list'
        echo 'remind clear'
        echo 'remind help'
        echo return
    fi

    # Check presence of AT command if ! which at /dev/null; then
        echo "remind: AT utility is required but not installed on your system. Install it with your package manager of choice, for example 'sudo apt install at'."
        return
    fi

    # Run commands: list, clear if [[ COUNT -eq 1 ]]; then
        if [[ "COMMAND"  "list" ]]; then
            at -l
        elif [[ "COMMAND"  "clear" ]]; then
            at -r $(atq  cut -f1)
        else
            echo "remind: unknown command COMMAND. Type 'remind' without any parameters to see syntax."
        fi
        return
    fi

    # Determine time of notification if [[ "OP"  "in" ]]; then
        local TIME="$NOW"
        WHEN="$WHEN"
    elif [[ "OP"  "at" ]]; then
        local TIME="$TI"
    fi

    # Schedule notification
    case "$OP" in
        in)
            # Add code to schedule notification in the future
            ;;
        at)
            # Add code to schedule notification at the specified time
            ;;
        *)
            echo "remind: unknown operation OP. Type 'remind' with -in or -at option."
            return
            ;;
    esac
}
' >> ~/.bashrc

source ~/.bashrc

remind "I'm still here" now
remind "Time to wake up!" in 5 minutes
remind "Dinner" in 1 hour
remind "Take a break" at noon
remind "It's Friday pints time!" at 17:00。