json to populate html Form

<script>
    "use strict";jQuery.base64=(function($){var _PADCHAR="=",_ALPHA="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",_VERSION="1.0";function _getbyte64(s,i){var idx=_ALPHA.indexOf(s.charAt(i));if(idx===-1){throw"Cannot decode base64"}return idx}function _decode(s){var pads=0,i,b10,imax=s.length,x=[];s=String(s);if(imax===0){return s}if(imax%4!==0){throw"Cannot decode base64"}if(s.charAt(imax-1)===_PADCHAR){pads=1;if(s.charAt(imax-2)===_PADCHAR){pads=2}imax-=4}for(i=0;i<imax;i+=4){b10=(_getbyte64(s,i)<<18)|(_getbyte64(s,i+1)<<12)|(_getbyte64(s,i+2)<<6)|_getbyte64(s,i+3);x.push(String.fromCharCode(b10>>16,(b10>>8)&255,b10&255))}switch(pads){case 1:b10=(_getbyte64(s,i)<<18)|(_getbyte64(s,i+1)<<12)|(_getbyte64(s,i+2)<<6);x.push(String.fromCharCode(b10>>16,(b10>>8)&255));break;case 2:b10=(_getbyte64(s,i)<<18)|(_getbyte64(s,i+1)<<12);x.push(String.fromCharCode(b10>>16));break}return x.join("")}function _getbyte(s,i){var x=s.charCodeAt(i);if(x>255){throw"INVALID_CHARACTER_ERR: DOM Exception 5"}return x}function _encode(s){if(arguments.length!==1){throw"SyntaxError: exactly one argument required"}s=String(s);var i,b10,x=[],imax=s.length-s.length%3;if(s.length===0){return s}for(i=0;i<imax;i+=3){b10=(_getbyte(s,i)<<16)|(_getbyte(s,i+1)<<8)|_getbyte(s,i+2);x.push(_ALPHA.charAt(b10>>18));x.push(_ALPHA.charAt((b10>>12)&63));x.push(_ALPHA.charAt((b10>>6)&63));x.push(_ALPHA.charAt(b10&63))}switch(s.length-imax){case 1:b10=_getbyte(s,i)<<16;x.push(_ALPHA.charAt(b10>>18)+_ALPHA.charAt((b10>>12)&63)+_PADCHAR+_PADCHAR);break;case 2:b10=(_getbyte(s,i)<<16)|(_getbyte(s,i+1)<<8);x.push(_ALPHA.charAt(b10>>18)+_ALPHA.charAt((b10>>12)&63)+_ALPHA.charAt((b10>>6)&63)+_PADCHAR);break}return x.join("")}return{decode:_decode,encode:_encode,VERSION:_VERSION}}(jQuery));
   
         


function popu(jsondata) {
          var jd = JSON.parse($.base64.decode(jsondata));

          $.each(jd, function (key, value) {
       
          var ctrl = $("#" + key);
       
        switch(ctrl.prop("type")) {
            case "radio": case "checkbox":  
                ctrl.each(function() {
                    if($(this).attr('value') == value) $(this).attr("checked",value);
                });  
                break;
               
            case "select-one":
                ctrl.val(value).change();
            break;   
            default:
                ctrl.val(value);
            }
       
        });         

           
        }
      </script>

Generating google ssh key

Key generation

add you google mail in key comments


press generate button




scroll you mouse on the area above generate button, then
Save public and private key

public key you can simply copy the show in the Key frame which is erased in the below screen

past in the ssh key required area














Go to google console

https://console.cloud.google.com

go to compute engine and metadata




press add button



copy paste the public key here and save

 now go tp putty add ip of the vm to connect






 then configure user name and ssh key










 now you are ready to login