[kwlug-disc] screen is keen

Khalid Baheyeldin kb at 2bits.com
Mon Oct 25 21:28:13 EDT 2010


Screen is indispensible for me. I use it daily for anything apart from
browsing, word processing.

The one thing that annoyed me was that fast switching works only
for single digits. So to switch to session 5, you did Ctrl-A then 5, and
you are there.

What about screens 10 to 15 (yes, I am the same guy who had 200+ Fire
Fox tabs open)?

The solution is obscure but functional:

Ctrl-A then ' (single quote) then the screen number followed by Enter.

Finally, after several years of using screen I found this a couple of months

ago.

Ctrl-A Ctrl-A takes you to the previous sessions, whichever it was.

The last mystery is that Ctrl-A c (create a new session) disconnects screen,
and I have to reconnect to it. Don't know why this happens, and only on
Ubuntu
8.04 not 10.04.

On Mon, Oct 25, 2010 at 9:20 PM, Johnny Ferguson <hyperflexed at gmail.com>wrote:

> Screen is pretty amazing. If you use Ubuntu, there's a package containing
> some nice wrappers for screen named "Byobu". I highly recommend. Warning:
> you may never leave the terminal ever again.
>
> I find screen amazing for coding as I can keep code in one split, and
> compiler messages in the other. I hear VIM is capable of building code, but
> I haven't got around to learning that yet, so screen is very handy.
>
> If you appreciate screen, you might appreciate window managers like xmonad
> or ratpoison. No idea if they support multi-user sessions, but they embody
> the simple-yet-powerful (and minimalist) philosophy characteristic of
> screen.
>
> I couldn't imagine sharing control of a session. Multi-user sessions don't
> look that hard to set up:
> http://aperiodic.net/screen/multiuser
>
> -Johnny
>
>
> On 10/25/2010 07:40 AM, Richard Weait wrote:
>
>> You might remember a presentation on the GNU utility, screen, from a
>> few meeting back.  You might have thought, "sure that seems nice and
>> all, but how do I add an animated wallpaper to it?"
>>
>> Or you might have thought, "hunh? Paul says it gets confused by sudo.
>> I should probably remember that so it doesn't cause me trouble in the
>> future."
>>
>> Let this be a lesson to you.  Screen does get confused by sudo, so ssh
>> in as the user who should be using screen.  Thanks Paul for that tip
>> that, had I remembered earlier, would have saved me ten minutes.
>> Without your tip, I could have wasted hours.
>>
>> So screen is keen.  I found it super-useful last week during a
>> conference call regarding some server stuff.  A developer and I used
>> the same screen to work on the project via the -x option.  We each
>> ssh'd in to the server as the same user.  I started a screen session.
>> He used screen -x to attach to the existing screen session. Then we
>> could each see what the other was typing, and all the results from
>> those commands.  This was a very handy way for two people with
>> different skill sets to collaborate on a project.  When combined with
>> a telephone call for a simultaneous voice connection, it felt very
>> productive.
>>
>> Plus the whacky, "I'm going to press enter when you are typing your
>> password" hijinx.
>>
>> So, it was good fun.  Screen is Keen.  Paul's presentation saved me some
>> time.
>>
>> Apparently screen will let different users attach to the same session,
>> but I haven't tried that yet.
>>
>

-- 
Khalid M. Baheyeldin
2bits.com, Inc.
http://2bits.com
Drupal optimization, development, customization and consulting.
Simplicity is prerequisite for reliability. --  Edsger W.Dijkstra
Simplicity is the ultimate sophistication. --   Leonardo da Vinci
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