Lonnie,
Thank you for the valuable info!
-Cody
On Mon, Aug 28, 2017 at 12:50 PM, Lonnie Abelbeck <li...@lonnie.abelbeck.com
> wrote:
> Hi Cody, (comments inline)
>
> On Aug 28, 2017, at 10:44 AM, Cody Alderson <aldersona...@gmail.com>
> wrote:
>
> > Lonnie,
> >
> > Symlink is symbolic link in Linux?
>
> Yes.
>
> > Can you recommend a book for a Windows guy that goes back to the days of
> DOS to understand Linux better?
>
> Googling I found this page: (a part of a college class)
> http://www.cis.rit.edu/class/simg211/unixintro/Filesystem.html
>
> Though if you want to learn Linux by doing it would be best for you to
> install
> VirtualBox [ https://www.virtualbox.org/wiki/Downloads ] on Windows and
> then install
> AstLinux [ https://doc.astlinux-project.org/userdoc:guest_vm_virtualbox ]
> as a guest of your Windows VirtualBox host.
>
> Playing with AstLinux as a guest of the VirtualBox VM so you can't do any
> damage to your production AstLinux system. If you mess-up you can easily
> reinstall from the ISO and try again.
>
>
> > Also, I had previously had to put in the entire path to the ulaw files
> in my dialplan. For example, /var/lib/asterisk/sounds/custom-sounds-filename.
> Now that I have made the custom-sounds persistent, can I just use
> /custom-sounds/filename such as in Playback(/custom-sounds/filename) ?
>
> You can use Playback(custom-sounds/filename) *without* a leading /
> (slash) as you showed. Hopefully the class URL above will help you
> understand the UNIX (Linux) file structure.
>
> Also remember that Asterisk's Playback() does not want the sound file
> suffix (ie. no trailing .ulaw or .wav) as Asterisk will look for the best
> matching sound file format for the current channel's CODEC.
>
> In general you should never have to create or delete any files or
> directories outside of the /mnt/kd/ tree path in AstLinux.
>
> Lonnie
>
>
> >
> > Thank you so much for your help. I enjoy learning this stuff!
> >
> > -Cody
> >
> > On Mon, Aug 28, 2017 at 9:25 AM, Lonnie Abelbeck <
> li...@lonnie.abelbeck.com> wrote:
> > Hi Cody,
> >
> > Great to hear you got it working.
> >
> > > I don't understand persistent directories yet.
> >
> > As typical with embedded appliances, AstLinux's /var/ mount type is
> "tmpfs" (RAM based, non-persistent). The flash storage (persistent) is
> mounted type ext2.
> >
> > AstLinux uses a "symbolic link" (ln -s ...) in places to create
> references on the non-persistent /var/ tree that points to persistent
> storage found in the /mnt/kd/ tree as well as to the read-only AstLinux
> ext2 flash image.
> >
> > These "symlinks" can be confusing to follow at first, for example
> following your "custom-sounds" case ...
> > --
> > pbx ~ # ls -l /var/lib/asterisk/sounds/custom-sounds
> > lrwxrwxrwx 1 root root 38 Aug 27 16:40
> /var/lib/asterisk/sounds/custom-sounds -> /var/tmp/asterisk/sounds/
> custom-sounds
> >
> > pbx ~ # ls -l /var/tmp/asterisk/sounds/custom-sounds
> > lrwxrwxrwx 1 root root 21 Aug 27 16:41
> /var/tmp/asterisk/sounds/custom-sounds -> /mnt/kd/custom-sounds
> > --
> > Note the " -> " indicates a symlink reference.
> >
> > Remember you should only be adding/editing files in the /mnt/kd/ tree
> path, though if you know a symlink points to the /mnt/kd/ tree path you can
> use the symlink name as a convenience if you wish.
> >
> > Lonnie
>
>
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