How do I pass the root's password to the VM?

[Peeyush Gupta]

Hi all,

I have provisioned a Fedora 19 VM through Vagrant. Now, I am running some command through shell script. Some of these commands require the root's password.

How can I pass the password to the VM? Is there any way to pass argument to the command, so that it will use them whenever necessary?

Thanks,

Peeyush Gupta

[Simon McCartney]

The root password isn't known by Vagrant, but the vagrant user has full
sudo permissions to root (or at least it does in a proper vagrant base box)

Does your script need the root password or just to be run as root?

As vagrant doesn't rely on the root password, your scripts can just set
the password to fit your requirements.

Simon.

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[Trevor Roberts]

Hello Peeyush,

You can either use "sudo" with your commands or execute "su -" before listing your commands.

If the Vagrant box you are using was built properly, it shouldn't prompt for a password with either of those commands.

-Trevor

[Peeyush Gupta]

Hi Simon,

The script needs the root's password when it is executing the command. So, "sudo" doesn't work and it doesn't even prompt me to enter the password. It just gives me an error.

Trevor,

I tried with both "sudo" and "su -", none of them is working. The thing is, I need to enter the password in order for the command to be executed successfully and that I have to do regardless if I am super-user or not. 

Isn't there any way that the guest VM can prompt me to enter the password when it is executing the command?

Thanks,

Peeyush Gupta

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~Peeyush Gupta

[Simon McCartney]

Peeyush Gupta wrote:
> Hi Simon,
>
> The script needs the root's password when it is executing the command.
> So, "sudo" doesn't work and it doesn't even prompt me to enter the
> password. It just gives me an error.
>
> Trevor,
>
> I tried with both "sudo" and "su -", none of them is working. The thing
> is, I need to enter the password in order for the command to be executed
> successfully and that I have to do regardless if I am super-user or not.
>
> Isn't there any way that the guest VM can prompt me to enter the
> password when it is executing the command?

No, but can you pipe in the password?

can you run something like this?

ROOTPW="rootpasswordhere"
echo ${ROOTPW} | passwd --stdin root
echo ${ROOTPW} | /some/script.sh

Or if you pass the password on the command line:

ROOTPW="rootpasswordhere"
echo ${ROOTPW} | passwd --stdin root
/some/script.sh ${ROOTPW}



Simon.

[Peeyush Gupta]

Nah, it's not working. Will have to find some other way. Anyways, thanks for the effort.

Thanks,

Peeyush Gupta

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~Peeyush Gupta