Mounting a network share

Mounting a network share

[Mike Brown]

I'm remotely loggin in to my P box and would lke to mount one of the NAS
Samba shares.  M$ likes to unmount the share after a period of time,
but because it was mounted, the pasword is needed (I hope).

When I try the following:

    mount \\192.168.1.40\Public /cygdrive/p

I get an invalid option.

Can I do this and if so, what do I need to change to get it to work.

Thanks.

MB
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Re: Mounting a network share

[Andrey Repin]

Greetings, Mike Brown!

> I'm remotely loggin in to my P box and would lke to mount one of the NAS
> Samba shares.  M$ likes to unmount the share after a period of time,
> but because it was mounted, the pasword is needed (I hope).

> When I try the following:

>     mount \\192.168.1.40\Public /cygdrive/p

> I get an invalid option.

> Can I do this and if so, what do I need to change to get it to work.

net use //host/resource[/path] P: * /PERSISTENT /SAVECRED

P.S.
This is not a Cygwin question.
If you want to do it from Cygwin side, use fstab and don't use /cygdrive
prefix. It is for automatic mounts ONLY.


-- 
With best regards,
Andrey Repin
Monday, November 2, 2015 04:37:59

Sorry for my terrible english...


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Re: Mounting a network share

[Mike Brown]

On Mon, Nov 02, 2015 at 04:40:33AM +0300, Andrey Repin wrote:
> net use //host/resource[/path] P: * /PERSISTENT /SAVECRED

I got the following to be accepted:

net use \\192.168.1.40\Public password /user:brown /persistant:yes

The syntax doesn't have a place to where it should be mounted.

But, if it mounted, I have no idea where. A "df -k" only shows the local drives.

> This is not a Cygwin question.
> If you want to do it from Cygwin side, use fstab and don't use /cygdrive
> prefix. It is for automatic mounts ONLY.

I can't find a fstab.

MB
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Re: Mounting a network share

[Corinna Vinschen]

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On Nov  1 23:35, Mike Brown wrote:
> On Mon, Nov 02, 2015 at 04:40:33AM +0300, Andrey Repin wrote:
> > net use //host/resource[/path] P: * /PERSISTENT /SAVECRED
> 
> I got the following to be accepted:
> 
> net use \\192.168.1.40\Public password /user:brown /persistant:yes
> 
> The syntax doesn't have a place to where it should be mounted.
> 
> But, if it mounted, I have no idea where. A "df -k" only shows the local drives.
> 
> > This is not a Cygwin question.
> > If you want to do it from Cygwin side, use fstab and don't use /cygdrive
> > prefix. It is for automatic mounts ONLY.
> 
> I can't find a fstab.

https://cygwin.com/cygwin-ug-net/using.html#using-pathnames


Corinna

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Re: Mounting a network share

[Mike Brown]

On Mon, Nov 02, 2015 at 04:40:33AM +0300, Andrey Repin wrote:
> If you want to do it from Cygwin side, use fstab and don't use /cygdrive
> prefix. It is for automatic mounts ONLY.

I went and found the Cygwin web page that describes fstab.  What it doesn't
say is how to use it.  I have the following entry:

192.168.1.40:/Public /Public nfs noacl 0 0

But, when I enter "mount /Public" mount complains about not enough options and
shows me the help for command line usage.  It doesn't appear to look in the
fstab file for the entry.

I did create /Public, so that path is there.

I tried it via the command line and it bitched about /Public.

I have no idea what I am doing wrong.

MB
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Re: Mounting a network share

[Corinna Vinschen]

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On Nov  1 23:35, Mike Brown wrote:
> On Mon, Nov 02, 2015 at 04:40:33AM +0300, Andrey Repin wrote:
> > net use //host/resource[/path] P: * /PERSISTENT /SAVECRED
> 
> I got the following to be accepted:
> 
> net use \\192.168.1.40\Public password /user:brown /persistant:yes
> 
> The syntax doesn't have a place to where it should be mounted.

I missed that in my reply.  It has:

  net use X: \\server\share

when using this command in a Cygwin shell, keep in mind that backslashes
need to be escaped in Unix shells:

  net use X: \\\\server\\share


Corinna

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Corinna Vinschen                  Please, send mails regarding Cygwin to
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Re: Mounting a network share

[Corinna Vinschen]

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On Nov  2 10:03, Mike Brown wrote:
> On Mon, Nov 02, 2015 at 04:40:33AM +0300, Andrey Repin wrote:
> > If you want to do it from Cygwin side, use fstab and don't use /cygdrive
> > prefix. It is for automatic mounts ONLY.
> 
> I went and found the Cygwin web page that describes fstab.  What it doesn't
> say is how to use it.

It does: https://cygwin.com/cygwin-ug-net/using.html#mount-table

> I have the following entry:
> 
> 192.168.1.40:/Public /Public nfs noacl 0 0
  ^^^^^^^^^^^^^^^^^^^^

This syntax isn't known in Windows.  Use the same syntax as with SMB
shares, just use forward slashes:

  //192.168.1.40/Public /Public foo binary 0 0

"noacl" has no meaning on NFS shares, btw. 


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
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Re: Mounting a network share

[Roger Wells]

On 11/02/2015 11:18 AM, Corinna Vinschen wrote:
> On Nov  1 23:35, Mike Brown wrote:
>> On Mon, Nov 02, 2015 at 04:40:33AM +0300, Andrey Repin wrote:
>>> net use //host/resource[/path] P: * /PERSISTENT /SAVECRED
>>
>> I got the following to be accepted:
>>
>> net use \\192.168.1.40\Public password /user:brown /persistant:yes
>>
>> The syntax doesn't have a place to where it should be mounted.
> 
> I missed that in my reply.  It has:
> 
>   net use X: \\server\share
> 
> when using this command in a Cygwin shell, keep in mind that backslashes
> need to be escaped in Unix shells:
> 
>   net use X: \\\\server\\share

or this works:
	net use x: '\\server\share'
(single quotes)

> 
> 
> Corinna
> 


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Re: Mounting a network share

[Mike Brown]

On Mon, Nov 02, 2015 at 05:26:51PM +0100, Corinna Vinschen wrote:
> On Nov  2 10:03, Mike Brown wrote:
> > On Mon, Nov 02, 2015 at 04:40:33AM +0300, Andrey Repin wrote:
> > > If you want to do it from Cygwin side, use fstab and don't use /cygdrive
> > > prefix. It is for automatic mounts ONLY.
> > 
> > I went and found the Cygwin web page that describes fstab.  What it doesn't
> > say is how to use it.
> 
> It does: https://cygwin.com/cygwin-ug-net/using.html#mount-table

What I mean is that I was able to create an entry, but I have no idea how to
get the mount program to read the contents.

> > I have the following entry:
> > 
> > 192.168.1.40:/Public /Public nfs noacl 0 0
>   ^^^^^^^^^^^^^^^^^^^^
> 
> This syntax isn't known in Windows.  Use the same syntax as with SMB
> shares, just use forward slashes:
> 
>   //192.168.1.40/Public /Public foo binary 0 0
> 
> "noacl" has no meaning on NFS shares, btw. 

No there no explantion on how to enter a user and password.  I tried the nfs
syntax because it doesn't require a password.

MB
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Re: Mounting a network share

[Andrey Repin]

Greetings, Mike Brown!

>> > > If you want to do it from Cygwin side, use fstab and don't use /cygdrive
>> > > prefix. It is for automatic mounts ONLY.
>> > 
>> > I went and found the Cygwin web page that describes fstab.  What it doesn't
>> > say is how to use it.
>> 
>> It does: https://cygwin.com/cygwin-ug-net/using.html#mount-table

> What I mean is that I was able to create an entry, but I have no idea how to
> get the mount program to read the contents.

Cygwin's fstab only accepts 'bind mounts' (in *NIX terms). The article Corinna
mentioned clearly explains that.
Another difference from *NIX is that it is read and interpreted by Cygwin core
(cygwin1.dll) when a new process tree starts.

>> > I have the following entry:
>> > 
>> > 192.168.1.40:/Public /Public nfs noacl 0 0
>>   ^^^^^^^^^^^^^^^^^^^^
>> 
>> This syntax isn't known in Windows.  Use the same syntax as with SMB
>> shares, just use forward slashes:
>> 
>>   //192.168.1.40/Public /Public foo binary 0 0
>> 
>> "noacl" has no meaning on NFS shares, btw. 

> No there no explantion on how to enter a user and password.

Because there's no such place. The resource must be available to the user.

Before we continue this discussion, I suggest to re-read the two paragraphs on
the cygwin.com main page. What Cygwin is and it is not.

You expect kernel OS functionality from a userland application. That's not how
Cygwin works. Cygwin leverages the operating system functionality to create a
level field for porting applications to Windows.

And to your 'net use' issues, 'net help use' should have been your first stop.
Yes, you can just call 'net use <resource>' without specifying the name to
simply authenticate yourself with the resource.
Mind you, specifying a password in command line is always a bad idea. You
never know, where that password would be stored or displayed in between
terminal and the called application.


-- 
With best regards,
Andrey Repin
Monday, November 2, 2015 22:33:09

Sorry for my terrible english...


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Re: Mounting a network share

[Linda Walsh]

Andrey Repin wrote:
> Greetings, Mike Brown!
> 
>> I'm remotely loggin in to my P box and would lke to mount one of the NAS
>> Samba shares.  M$ likes to unmount the share after a period of time,
>> but because it was mounted, the pasword is needed (I hope).
> 
>> When I try the following:
> 
>>     mount \\192.168.1.40\Public /cygdrive/p
---
	Got to watch out for the those backslashes:

This seems to work:

> mount //ishtar/tmp /tmp/tmnt
mount: defaulting to 'notexec' mount option for speed since native path
       references a remote share.  Use '-f' option to override.
/tmp> df /tmp/tmnt
Filesystem          Size  Used Avail Use% Mounted on
//ishtar/tmp   12G  8.4G  3.7G  70% /tmp/tmnt

Though I'd likely use 'net use' as others mentioned.



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Re: Mounting a network share

[Corinna Vinschen]

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On Nov  2 12:06, Mike Brown wrote:
> On Mon, Nov 02, 2015 at 05:26:51PM +0100, Corinna Vinschen wrote:
> > On Nov  2 10:03, Mike Brown wrote:
> > > On Mon, Nov 02, 2015 at 04:40:33AM +0300, Andrey Repin wrote:
> > > > If you want to do it from Cygwin side, use fstab and don't use /cygdrive
> > > > prefix. It is for automatic mounts ONLY.
> > > 
> > > I went and found the Cygwin web page that describes fstab.  What it doesn't
> > > say is how to use it.
> > 
> > It does: https://cygwin.com/cygwin-ug-net/using.html#mount-table
> 
> What I mean is that I was able to create an entry, but I have no idea how to
> get the mount program to read the contents.
> 
> > > I have the following entry:
> > > 
> > > 192.168.1.40:/Public /Public nfs noacl 0 0
> >   ^^^^^^^^^^^^^^^^^^^^
> > 
> > This syntax isn't known in Windows.  Use the same syntax as with SMB
> > shares, just use forward slashes:
> > 
> >   //192.168.1.40/Public /Public foo binary 0 0
> > 
> > "noacl" has no meaning on NFS shares, btw. 
> 
> No there no explantion on how to enter a user and password.  I tried the nfs
> syntax because it doesn't require a password.

The Cygwin mount is no actual mount command because it doesn't mount
anything.  It's not an OS.  The mount point in Cygwin is just a
translation from DOS to POSIX path as outlined in the documentation.
The first field in fstab is basically the underlying Windows path, just
with forward slashes.  The *actual* mounting, as on Linux, has to be
done on the OS level.

If you have to attach to a remote drive with username and password, you
have to use `net use ...'.  In case of NFS mounts you can also
(preferredly) use the $SYSTEMROOT\\system32\\mount.exe command which is
part of the Windows NFS client installation.  Due to this executable
name clash between Cygwin mount(1) and NFS mount(1) command, you have to
call the latter typically with full path, e.g.

 $ /cygdrive/c/Windows/System32/mount -h

Alternatively, if the mount doesn't require a username/password because
the mapping is done in AD or some RFC2307 service(*), just use the
SMB-like path (even for NFS) in the Cygwin mount table:

 //server/share /cygwin-path foo binary 0 0


HTH,
Corinna


(*) There's also a way to map the anonymous account to a certain
    uid/gid value using a registry entry:
    http://blogs.msdn.com/b/sfu/archive/2009/03/27/can-i-set-up-user-name-mapping-in-windows-vista.aspx

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