Port not forwarded from vagrant for rails application on host

Having a rails application on the vagrant machine and the 3000 port not being forwarded when you access it form host machine like

http://localhost:3000

if so keep reading

Assuming you have already setup your vagrant machine

Go ahead and open your Vagrant file, find the config.vm.network and update it with

config.vm.network "forwarded_port", guest: 3000, host: 3000

Then make sure you are binding the server with 0.0.0.0 as it is the main problem is being the default 127.0.0.1 for that, when yoiu are instantiation the server do the binding with 0.0.0.0

bin/server --binding=0.0.0.0

Basically the above would tell to listen to almost any ip. This has its own risk if you are doing it on public VM so caution shall be applied. Where as when it is 127.0.0.1, it will be listening to the local address only.

Fatal error: require(): Failed opening required Hydrator in mongodb

I was working on putting POPO to MongoDB in symfony project.
I have the Document inside BundleDocumentMyDocument.php

I want to create this document for the first time, but would like to update the document if it exists based on its two fields like:
* I have taken out some of additional information and focus on the main code only..

$file_id = getTheFileId();
$accessor_id = getAccessorId();
$repository=$this->getMongoService()
				->getManager()
				->getRepository('SomethinSomethingBundleDocumentFileAccess');
			$file_access=$repository->findOneBy(array('fileId'=>$file_id, 'accessorId'=>$accessor_id));
			if ($file_access && $file_access instanceof FileAccess){
				$file_access->setAccessCount($file_access->getAccessCount()+1);
			}else{
				$file_access=new FileAccess();
				$file_access->setFileId($file_id);
				$file_access->setAccessorId($accessor_id);
				$file_access->setAccessorType(FileAccess::ACCESS_TYPE_MEMBER);
				$file_access->setAccessDate(time());
				$file_access->setAccessCount(1);
			}
			$document_manager=$this->getMongoService()->getManager();
			$document_manager->persist($file_access);
			$document_manager->flush();

The problem I was facing was when I try to access the record, not when I was adding it.
and I know the record was there by using the command line mongo tool

The solution appears to be the missing config item for mongo:
on your config for mongo add

auto_generate_hydrator_classes: true

and that should fix the problem.

Allowing others to use mysql from user machine on ubuntu- simple one!

It is customary sometimes to share the part of the database from sandbox to a fellow developer or to access it from the other machine – umm.. is it not how the servers are doing it?? what are you talking about 😉

Anyway here is a simple note to make it happen.1. We need to bind the machine name for the server. to do that
open your my.cnf – inside the /etc/mysql/my.cnf for debianish machines and search for the
[mysqld] and add the following
bind-address = your ip address goes here
you can find your ip address from

ifconfig

then save the file and restart your mysql

sudo /etc/init.d/mysql restart

There are ways to assign for a specified user from the specified ip addresses as well.
Like if you have database db1 and user1 from ip address 168.192.3.4 then

grant select, insert, update on db1.* to 'user1'@'168.192.3.4'