Re: Block devices

2003-11-28 Thread Jeff Shevlen
On Fri, Nov 28, 2003 at 12:03:42PM -0500, Lowell Gilbert wrote:
> "Jeff Shevlen" <[EMAIL PROTECTED]> writes:
> 
> > I've got a book that talks about block devices in Freebsd 3.4.  I got
> > curious and went looking for some, but my 4.8 distro doesn't seem to
> > have any.  When did they disappear?  Why did they leave?  Will they
> > ever return?  I poked around in google and freebsd.org but didn't turn
> > anything up.  Curious...
> 
> They disappeared four or five years ago because they were
> unnecessary.  The character mode devices support everything
> that block devices did...
> 
> The technical discussion was probably on the -CURRENT and -ARCH
> mailing lists, around the summer of '98.
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Thanks.  There was one other poster who mentioned the threads in -ARCH.  I took a 
look, but a digest was more what I was after...
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Block devices

2003-11-28 Thread Jeff Shevlen
Hey,

I've got a book that talks about block devices in Freebsd 3.4.  I got
curious and went looking for some, but my 4.8 distro doesn't seem to
have any.  When did they disappear?  Why did they leave?  Will they
ever return?  I poked around in google and freebsd.org but didn't turn
anything up.  Curious...

Jeff


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Block Devices

2003-11-24 Thread Jeff Shevlen
Hey,

I've got a book that talks about block devices in Freebsd 3.4.  I got
curious and went looking for some, but my 4.8 distro doesn't seem to
have any.  When did they disappear?  Why did they leave?  Will they
ever return?  I poked around in google and freebsd.org but didn't turn
anything up.  Curious...

Jeff
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Re: How to write to console

2003-04-04 Thread Jeff Shevlen
Thanks for your help Dan, we'll give that a try...

On Fri, Apr 04, 2003 at 10:40:41AM -0600, Dan Nelson wrote:
> In the last episode (Apr 04), Jeff Shevlen said:
> > I hate to add a variation on a thread before it's been solved, but is
> > it possible to "jump into" a console from an outside process?  Lets
> > say you have a remote machine and you want to check in on a process
> > underway in ttyv0?  Can you do it?  (Not urgent, but a coworker and I
> > were trying to figure this one out yesterday and this thread is too
> > similar not to ask...)
> 
> If you have the snp device in the kernel, you can use the 'watch'
> command to attach to any TTY and get a copy of all output sent to it. 
> You won't be able to read what's already on the screen, though, since
> ttys themselves don't have a history.
> 
> One exception is vtys ( /dev/ttyv* ).  Syscons consoles do have a
> history, and you can use the vidcontrol command to display that (see
> the -P and -H switches).
> 
> The best solution is to use ports/misc/screen and run your jobs in a
> screen session that you then attach to remotely later.
> 
> -- 
>   Dan Nelson
>   [EMAIL PROTECTED]
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Re: How to write to console

2003-04-04 Thread Jeff Shevlen
Hi all, 

I hate to add a variation on a thread before it's been solved, but is it possible to 
"jump into" a console from an outside process?  Lets say you have a remote machine and 
you want to check in on a process underway in ttyv0?  Can you do it?  (Not urgent, but 
a coworker and I were trying to figure this one out yesterday and this thread is too 
similar not to ask...)

Jeff

On Fri, Apr 04, 2003 at 09:33:36AM -0500, Matthew Smith wrote:
> Try redirecting to /dev/ttyv0, as in:
> echo "My Message" > /dev/ttyv0
> 
> -Matt
> 
> On Fri, 2003-04-04 at 09:29, Doug Poland wrote:
> > Hello,
> > 
> > I'd like to write to the "default" console of a -STABLE box.  In this
> > case, no one is logged in on that console/terminal. 
> > 
> > The commands write, talk, and wall mention writing to a terminal of a
> > logged in user.  Ideally, I'd like to clear the screen and display an
> > 80x25 message.
> > 
> > Does anyone know how I can accomplish this?
> 
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