F22: how to mount AFS directory?

[Ranjan Maitra]

Hi,

Does anyone know how to mount an AFS filesystem (I think it is called an Andrews' Filesystem) on Fedora 22?

I looked around on the web, but did not come up with anything that worked so I thought that I would ask for some advice.

Thank you for any help you are able to provide!

Best wishes,
Ranjan

[Patrick O'Callaghan]

On Mon, 2015-08-24 at 18:19 -0500, Ranjan Maitra wrote:
> Does anyone know how to mount an AFS filesystem (I think it is called
> an Andrews' Filesystem) on Fedora 22?

The Andrew File System was part of the Andrew project at Carnegie
Mellon University many years ago.

See https://en.wikipedia.org/wiki/Andrew_File_System
> I looked around on the web, but did not come up with anything that 
> worked so I thought that I would ask for some advice.

According to the above page RedHat has an implementation in early
development. You could also try https://openafs.org/

poc

[Ranjan Maitra]

On Tue, 25 Aug 2015 00:38:03 +0100 "Patrick O'Callaghan"  wrote:
> On Mon, 2015-08-24 at 18:19 -0500, Ranjan Maitra wrote:
> > Does anyone know how to mount an AFS filesystem (I think it is called
> > an Andrews' Filesystem) on Fedora 22?
>
> The Andrew File System was part of the Andrew project at Carnegie
> Mellon University many years ago.
>
> See https://en.wikipedia.org/wiki/Andrew_File_System
> > I looked around on the web, but did not come up with anything that 
> > worked so I thought that I would ask for some advice.
>
> According to the above page RedHat has an implementation in early
> development. You could also try https://openafs.org/

Patrick,

Thanks! I did look at that page, but it seemed to me that that was written from the view of how to run an AFS server. Maybe I did not read carefully, but i was looking for how one mounts an AFS server. In the case of a CIFS mount (say), I can use the command:

/sbin/mount.cifs //full.path.to.server /mnt/local.directory -o nounix -o username=me,domain=domain.name,sec=ntlmv2

Is there a similar command for AFS mounts?

Many thanks and best wishes,
Ranjan

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[Birger Monsen]

Once you start the OpenAFS client it will by default attach itself at
/afs IIRC. You can change the default in a config file or the command
line.

The way I used AFS a loooong time back, it used Kerberos to
authenticate you to the AFS network, and everything you had access to
was available in that /afs top level structured by Kerberos domains and
then local file system structures. There was no mounting in the
traditional sense. It is one big, cloudy repository that was primarily
used by collaborating scientists. You could browse around and find all
kinds of interesting stuff. :-) I used Scientific Linux (fork of
CentOS) back then, and it had AFS installed by default.

It's a long time ago, so I may be hazy on this.

ti., 25.08.2015 kl. 08.09 -0500, skrev Ranjan Maitra:
> On Tue, 25 Aug 2015 00:38:03 +0100 "Patrick O'Callaghan" <
> [e-mail]> wrote:
> > On Mon, 2015-08-24 at 18:19 -0500, Ranjan Maitra wrote:
> > > Does anyone know how to mount an AFS filesystem (I think it is
> > > called
> > > an Andrews' Filesystem) on Fedora 22?
> >
> > The Andrew File System was part of the Andrew project at Carnegie
> > Mellon University many years ago.
> >
> > See https://en.wikipedia.org/wiki/Andrew_File_System
> > > I looked around on the web, but did not come up with anything
> > > that 
> > > worked so I thought that I would ask for some advice.
> >
> > According to the above page RedHat has an implementation in early
> > development. You could also try https://openafs.org/
>
> Patrick,
>
> Thanks! I did look at that page, but it seemed to me that that was
> written from the view of how to run an AFS server. Maybe I did not
> read carefully, but i was looking for how one mounts an AFS server.
> In the case of a CIFS mount (say), I can use the command:
>
> /sbin/mount.cifs //full.path.to.server /mnt/local.directory -o nounix
> -o username=me,domain=domain.name,sec=ntlmv2
>
> Is there a similar command for AFS mounts?
>
> Many thanks and best wishes,
> Ranjan
>
> FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop!
> Check it out at http://www.inbox.com/earth

[Dario Lesca]

Il giorno lun, 24/08/2015 alle 18.19 -0500, Ranjan Maitra ha scritto:
> Hi,
>
> Does anyone know how to mount an AFS filesystem (I think it is called
> an Andrews' Filesystem) on Fedora 22?
>
> I looked around on the web, but did not come up with anything that
> worked so I thought that I would ask for some advice.
>
> Thank you for any help you are able to provide!

Try this:
> $ sudo dnf install fuse-afp
> $ mount_afp 
> Usage:
>      mount_afp [-o volpass=password] <afp url> <mountpoint>

Found via:
https://www.google.it/?gws_rd=ssl#q=fedora+how+to+mount+AFS+directory

hope this help

Dario Lesca

[Ranjan Maitra]

Hi,

Thanks very much again!!
> Try this:
> > $ sudo dnf install fuse-afp
> > $ mount_afp 
> > Usage:
> >      mount_afp [-o volpass=password] <afp url> <mountpoint>

The university has AFS space for me provided at /afs/zzzzz.edu/users/xx/yy/me /mnt/afs

where zzzzz.edy is the university domain name and the xx and yy are digits which have my directory (me).

I tried the following:

mount_afp -o volpass=password  /afs/zzzzz.edu/users/xx/yy/me  /mnt/afs

but I get

Could not parse URL

How should this URL be parsed?

I tried:

https://webfiles.zzzzz.edu/?path=/afs/zzzzz.edu/users/xx/yy/me

but got nowhere (same error message).

Is there an example I could follow?

Many thanks,
Ranjan

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[Frank Elsner]

On Mon, 24 Aug 2015 18:19:05 -0500 Ranjan Maitra wrote:
> Hi,
>
> Does anyone know how to mount an AFS filesystem (I think it is called an Andrews' Filesystem) on Fedora 22?
>
> I looked around on the web, but did not come up with anything that worked so I thought that I would ask for some advice.

Authentication for AFS  is done by Kerberos. Furthermore you need an AFS token.

So the sequence of commands at my university is

kinit
       aklog

Afterwards I've access to the directories behind /afs.

"man kinit" and "man aklog" recommended for further reading.
> Thank you for any help you are able to provide!

HTH, Frank

[Frank Elsner]

On Wed, 26 Aug 2015 08:31:16 +0200 Frank Elsner wrote:
> On Mon, 24 Aug 2015 18:19:05 -0500 Ranjan Maitra wrote:
> > Hi,
> >
> > Does anyone know how to mount an AFS filesystem (I think it is called an Andrews' Filesystem) on Fedora 22?
> >
> > I looked around on the web, but did not come up with anything that worked so I thought that I would ask for some advice.
>
> Authentication for AFS  is done by Kerberos. Furthermore you need an AFS token.
>
> So the sequence of commands at my university is
>    kinit
>    aklog
>
> Afterwards I've access to the directories behind /afs.

Oh, I forget that the afs client and the kernel module must be installed and running.

--Frank

[Suvayu Ali]

Hi Ranjan,

On Mon, Aug 24, 2015 at 06:19:05PM -0500, Ranjan Maitra wrote:
> Does anyone know how to mount an AFS filesystem (I think it is called an Andrews' Filesystem) on Fedora 22?
>
> I looked around on the web, but did not come up with anything that worked so I thought that I would ask for some advice.

You need a few things working.  Kerberos, openafs-client, kmod, and
kmod-openafs.

- Kerberos: this is for authentication.  You need to set your realms in
  /etc/krb5.conf.  Something like this (of course you have to use
  whatever is appropriate for your organisation, s/cern.ch/myorg.org/):

[realms]
     CERN.CH = {
      default_domain = cern.ch
      kdc = cerndc.cern.ch
    }

[domain_realm]
     .cern.ch = CERN.CH
     cern.ch = CERN.CH

- openafs-client, kmod, and kmod-openafs: this was provided by
  RPMFusion, but the maintainer changed jobs where it was not needed
  anymore and has been orphaned since then.  This was about a year ago I
  think.  kmod is available in the normal repos, the openafs bits can
  now be found on these coprs: jsbillings/openafs,
  jsbillings/openafs-kmod.

- If you don't want to depend on the timely build of kmods for every
  kernel update, you have to switch to dkms instead of kmod.

Hope this helps,

[Ranjan Maitra]

On Wed, 26 Aug 2015 10:20:55 +0200 Frank Elsner  wrote:
> On Wed, 26 Aug 2015 08:31:16 +0200 Frank Elsner wrote:
> > On Mon, 24 Aug 2015 18:19:05 -0500 Ranjan Maitra wrote:
> > > Hi,
> > >
> > > Does anyone know how to mount an AFS filesystem (I think it is called an Andrews' Filesystem) on Fedora 22?
> > >
> > > I looked around on the web, but did not come up with anything that worked so I thought that I would ask for some advice.
> >
> > Authentication for AFS  is done by Kerberos. Furthermore you need an AFS token.
> >
> > So the sequence of commands at my university is
> >    kinit
> >    aklog
> >
> > Afterwards I've access to the directories behind /afs.
>
> Oh, I forget that the afs client and the kernel module must be installed and running.

Thanks! How is the AFS space accessed after this? Is there a command that has to be passed? Or is that automatic (in the sense that AFS "sees" that you have the right credentials and you are given access. is understand that this may be specific to different kinds of setup.

Many thanks,
Ranjan

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[Dario Lesca]

Il giorno mar, 25/08/2015 alle 19.51 -0500, Ranjan Maitra ha scritto:
> The university has AFS space for me provided at /afs/zzzzz.edu/users/xx/yy/me /mnt/afs
>
> where zzzzz.edy is the university domain name and the xx and yy are digits which have my directory (me).
>
> I tried the following:
>
> mount_afp -o volpass=password  /afs/zzzzz.edu/users/xx/yy/me  /mnt/afs
>
> but I get
>
> Could not parse URL
>
> How should this URL be parsed?
>
> I tried:
>
> https://webfiles.zzzzz.edu/?path=/afs/zzzzz.edu/users/xx/yy/me
>
> but got nowhere (same error message).
>
> Is there an example I could follow?
>
> Many thanks,
> Ranjan

If the zzzzz.edu is the domain, a probable afp URL is someone like
this:

afp://zzzzz.edu/users/xx/yy/me

afp://webfiles.zzzzz.edu/users/xx/yy/me

https://webfiles.zzzzz.edu/users/xx/yy/me

... but I'm not an afp expert

See this example:
http://linux.die.net/man/1/mount_afp