socat tcp-listen:9999,reuseaddr,fork tcp-connect:192.168.1.2:22

DOMAIN=codigoparallevar.com
     openssl s_client -connect $DOMAIN:443 </dev/null

#!/usr/bin/env bash

  # Check that we have at least a PID
  if [ -z "$1" ];then
     echo "$0 <PID> [<FD>]"
     exit 1
  fi

  set -eu  # Bail on any error
  PID=$1
  FD=${2:-} # Take FD if we have second parameter, else consider it empty

  if [ -z "$FD" ];then
     # Show the user the available file descriptors
     echo "Select a file descriptor:"
     for i in /proc/$PID/fd/*;do
         printf "  %s: " $(basename $i)
         readlink $i
     done

     read -p "FD: " FD
  fi

  FSIZE=$(stat -L /proc/$PID/fd/$FD --printf=%s)  # Read full file size
  while [ 1 ];do

        # Stop if the process has finished reading the file
        if [ ! -f /proc/$PID/fdinfo/$FD ];then
           break
        fi

        # Read position on file
        x=$(cat "/proc/$PID/fdinfo/$FD"|grep pos: |cut -d: -f2|tr -d '\t ')

        # Convert that position into a % of the file size
        PER10000=$(( $x * 10000 / $FSIZE ))
        if [ $PER10000 -le 100 ];then
           # Less than 1%
           printf "  0.%02i%%\n" $(( $PER10000 ));
        else
           # More than 1%
           printf "%3i.%02i%%\n" $(( $PER10000 / 100 )) $(( $PER10000 % 100 ));
        fi

        # Wait for the next loop
        sleep 1
  done

ls -ltr /dev/video*

mplayer tv:// -tv driver=v4l2:width=640:height=480:device=/dev/video0 -fps 30

## Old style
# sudo update-alternatives  --config x-www-browser

## New style
xdg-settings set default-web-browser <desktop file inside ~/.local/share/applications/>

timedatectl show|grep Timezone

timedatectl list-timezones | head

timedatectl set-timezone Europe/Madrid