Rails - Dec 2007 - Serious Geek RoR newbie: wishes to know EXACTLY what/where all is installed by packages. Tnx!

[TOP lINE: is there a linux program that will tell me where all the
installed files went?]

Hi all....great to be here... i''m pretty relentless yet very new to
RoR and fairly new to Linux [went with ubuntu 7.10 for the time being
- learing pure Deb and/or Slack/BDS for the future]

anyhooo.. So...
Coming from my highly understood XP install [frankly it feels yuk
these days] i''m wishing to know the Linux way of finding out
EVERYTHING that a package installs and WHERE it installs.

I''m having a great time with nix and simply can''t find the
utility
that''s best for telling me where ALL is as far as directories and even
dependencies goes.

So... i''ve install: [have played successfully with manual installs as
well]

ruby/rubygems/rails/mongrel/lighttpd/    and as well, apache2/mySQL
etc etc etc

I''m not comfortable that they all simply work.... I wanna know where
EveryThing IS...!!!

Can any guru tell me the BEST way/app to learn with..?


big thanks!

yvonney
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Why on earth would you want to know where it goes? Apache and MySQL I can
understand, but Ruby/Rubygems/rails/mongrel and lighttpd I can''t.

Going by my install of Ubuntu:

Ruby is in /usr/lib/ruby
Rubygems is in /usr/lib/ruby/gems
Rails is in /usr/lib/ruby/gems/1.8/gems/rails-*.*.*
Mongrel is in /usr/lib/ruby/gems/1.8/gems/mongrel-*.*.*

I wouldn''t recommend touching any of the files located in these
directories
unless you know what you''re doing with them.

It''s probably best to tell us what you want them for so we can advice.



On Dec 11, 2007 9:47 AM, yvonney
<yvonnebarrymore-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org> wrote:
>
> [TOP lINE: is there a linux program that will tell me where all the
> installed files went?]
>
> Hi all....great to be here... i''m pretty relentless yet very new
to
> RoR and fairly new to Linux [went with ubuntu 7.10 for the time being
> - learing pure Deb and/or Slack/BDS for the future]
>
> anyhooo.. So...
> Coming from my highly understood XP install [frankly it feels yuk
> these days] i''m wishing to know the Linux way of finding out
> EVERYTHING that a package installs and WHERE it installs.
>
> I''m having a great time with nix and simply can''t find
the utility
> that''s best for telling me where ALL is as far as directories and
even
> dependencies goes.
>
> So... i''ve install: [have played successfully with manual installs
as
> well]
>
> ruby/rubygems/rails/mongrel/lighttpd/    and as well, apache2/mySQL
> etc etc etc
>
> I''m not comfortable that they all simply work.... I wanna know
where
> EveryThing IS...!!!
>
> Can any guru tell me the BEST way/app to learn with..?
>
>
> big thanks!
>
> yvonney
> >
>

-- 
Ryan Bigg
http://www.frozenplague.net

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hehere   thanks Ryan... after posting I realized I coulda been clearer
and that I was technically off topic...

OK.... so I install ruby and everything goes somewhere... on my XP box
I know what goes where..
I LIKE to know...it''s led me to be good enough at making apps portable/
fixing them etc etc etc...

Then I install the other programs [currently on ubuntu 7.10]
and ...well, does it make sense to want/need to know where things are
installed?
Maybe I''ve missed something about linux/

I mean I''m such a RoR newbie [nix as well actually] I don''t
know
what''s what.... so...  I thought..
hey, there must be a program or site that can tell me EXACTLY where
everything goes...

I mean at a RoR level I''m having trouble figuring out what basic
tutorials don''t have the right directories..
AND I''ll read a mac tutorial [or win] and I''d like to have
knowledge
to be able to translate even the smallest differences between OS''s and
distros.

I''m just not happy installing a bunch of apps without knowing where
everything is...

:)))))) thank you

y


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It''s not important to know where these files go, to build a Rails app
sometimes all it involves is typing rails <appname> and building it. You
don''t need to know where it''s installed because everything
should Just Work™!
Especially on Ubuntu.

For example when you install Ruby it''s apt-get install ruby1.8. Then
you''ll
be able to type ruby into a console and you''ll have the power of Ruby
already there. There''s NO REASON to know where these files go or to
care
about them until it''s ABSOLUTELY CRITICAL that you need to know.

On Dec 11, 2007 10:07 AM, yvonney
<yvonnebarrymore-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org> wrote:
>
> hehere   thanks Ryan... after posting I realized I coulda been clearer
> and that I was technically off topic...
>
> OK.... so I install ruby and everything goes somewhere... on my XP box
> I know what goes where..
> I LIKE to know...it''s led me to be good enough at making apps
portable/
> fixing them etc etc etc...
>
> Then I install the other programs [currently on ubuntu 7.10]
> and ...well, does it make sense to want/need to know where things are
> installed?
> Maybe I''ve missed something about linux/
>
> I mean I''m such a RoR newbie [nix as well actually] I
don''t know
> what''s what.... so...  I thought..
> hey, there must be a program or site that can tell me EXACTLY where
> everything goes...
>
> I mean at a RoR level I''m having trouble figuring out what basic
> tutorials don''t have the right directories..
> AND I''ll read a mac tutorial [or win] and I''d like to
have knowledge
> to be able to translate even the smallest differences between OS''s
and
> distros.
>
> I''m just not happy installing a bunch of apps without knowing
where
> everything is...
>
> :)))))) thank you
>
> y
>
>
> >
>

-- 
Ryan Bigg
http://www.frozenplague.net

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Sounds like obsessive compulsive disorder to me :-)

Gurus either just know or just have confidence.

*NIX,like Rials, is about conventions.
Things are in conventional places:  /etc/ /home, /usr/bin, /usr/sbin/
/usr/share/man/, all depending on context.

Of course all this can be overridden.  You can set PATH, NLSPATH,
MANPATH, TIMEFORMAT, TMOUT, TMPDIR, MAILPATH, CDPATH and others to
affect how the shell behaves; you can override the default configuration
file locations of programs by environment variables and parameters.
See documentation on LD_PRELOAD, LD_LIBRARY_PATH, and other LD_*
variables influence the behaviour of the dynamic loader/linker;
LANG (and its children that affect the print formatting libraries -
LC_COLLATE, LC_CTYPE, LC_MESSAGES, LC_MONETARY, LC_NUMERIC, LC_TIME, cf.
locale(5)); TERM, The terminal type for which output is to be prepared;
PAGER, the user''s preferred utility to display text files;
EDITOR/VISUAL, the user''s preferred utility to edit text files.
The TZ and TZDIR environment variables affect how time is formatted and
displayed.

There are then application specific variables.  You might  them in your
shell start-up or in scripts.  Ones that might be of interest to
ruby/rails include

RUBY_VERSION, which determines the path under /usr/lib/ruby
GEM_PATH

The last if on use if you are on hosted machine and don''t have root
permission to install gems.  You can create a directory ~/rubygems and
install them there and set GEMPATH to search there before the system gems.

Try running various programs with "--help" on the command line to see
what options exist.  Red the manual pages or the developers pages.

Try running the ''env'' command to see what environment settings
are current.

In many ways *NIX is simpler to understand than Windows.  The
configuration files are usually text files, one for each application,
and the settings have text documenting them; the settings not employed
are also documented there.


Of course there will always be programmers who roll out applications
that fail to follow the conventions.   Some are just arrogant, some have
come form other environments (not just Windows) and aren''t familiar
with
the conventions yet.

Rails claims to favour convention over configuration.  In reality it had
followed the *NIX Way of the configuration is in the convention.

Ah, it was all so much easier 30 years ago ....




Ryan Bigg said the following on 10/12/07 06:23 PM:
> Why on earth would you want to know where it goes? Apache and MySQL I
> can understand, but Ruby/Rubygems/rails/mongrel and lighttpd I
can''t.
> 
> Going by my install of Ubuntu:
> 
> Ruby is in /usr/lib/ruby
> Rubygems is in /usr/lib/ruby/gems
> Rails is in /usr/lib/ruby/gems/1.8/gems/rails-*.*.*
> Mongrel is in /usr/lib/ruby/gems/1.8/gems/mongrel-*.*.*
> 
> I wouldn''t recommend touching any of the files located in these
> directories unless you know what you''re doing with them.
> 
> It''s probably best to tell us what you want them for so we can
advice.
> 
> 
> 
> On Dec 11, 2007 9:47 AM, yvonney
<yvonnebarrymore-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org
> <mailto:yvonnebarrymore-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org>>
wrote:
> 
> 
>     [TOP lINE: is there a linux program that will tell me where all the
>     installed files went?]
> 
>     Hi all....great to be here... i''m pretty relentless yet very
new to
>     RoR and fairly new to Linux [went with ubuntu 7.10 for the time being
>     - learing pure Deb and/or Slack/BDS for the future]
> 
>     anyhooo.. So...
>     Coming from my highly understood XP install [frankly it feels yuk
>     these days] i''m wishing to know the Linux way of finding out
>     EVERYTHING that a package installs and WHERE it installs.
> 
>     I''m having a great time with nix and simply can''t
find the utility
>     that''s best for telling me where ALL is as far as directories
and even
>     dependencies goes.
> 
>     So... i''ve install: [have played successfully with manual
installs as
>     well]
> 
>     ruby/rubygems/rails/mongrel/lighttpd/    and as well, apache2/mySQL
>     etc etc etc
> 
>     I''m not comfortable that they all simply work.... I wanna know
where
>     EveryThing IS...!!!
> 
>     Can any guru tell me the BEST way/app to learn with..?
> 
-- 
Never look a gift horse in the mouth.
    Saint Jerome, On the Epistle to the Ephesians

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Here''s a quick *nix tip for you. If you know a command (say ruby) and
want to know for sure which program your are running (where it''s
called from) use the command:

which ruby
/usr/bin/ruby

If you want to know what your path looks like:
echo $PATH
/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/usr/local/
mysql/bin

You can of course execute any executable from anywhere if you specify
the full path, but usually you command will live in one of the bin
folders of your path environment variable.

If you want to know the location of a particular installed gem you can
use:
gem which mongrel
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.1/lib/mongrel.rb

Hope that helps a bit.

On Dec 10, 8:02 pm, Anton J Aylward <a...-XdPx9462FWc@public.gmane.org>
wrote:
> Sounds like obsessive compulsive disorder to me :-)
>
> Gurus either just know or just have confidence.
>
> *NIX,like Rials, is about conventions.
> Things are in conventional places:  /etc/ /home, /usr/bin, /usr/sbin/
> /usr/share/man/, all depending on context.
>
> Of course all this can be overridden.  You can set PATH, NLSPATH,
> MANPATH, TIMEFORMAT, TMOUT, TMPDIR, MAILPATH, CDPATH and others to
> affect how the shell behaves; you can override the default configuration
> file locations of programs by environment variables and parameters.
> See documentation on LD_PRELOAD, LD_LIBRARY_PATH, and other LD_*
> variables influence the behaviour of the dynamic loader/linker;
> LANG (and its children that affect the print formatting libraries -
> LC_COLLATE, LC_CTYPE, LC_MESSAGES, LC_MONETARY, LC_NUMERIC, LC_TIME, cf.
> locale(5)); TERM, The terminal type for which output is to be prepared;
> PAGER, the user''s preferred utility to display text files;
> EDITOR/VISUAL, the user''s preferred utility to edit text files.
> The TZ and TZDIR environment variables affect how time is formatted and
> displayed.
>
> There are then application specific variables.  You might  them in your
> shell start-up or in scripts.  Ones that might be of interest to
> ruby/rails include
>
> RUBY_VERSION, which determines the path under /usr/lib/ruby
> GEM_PATH
>
> The last if on use if you are on hosted machine and don''t have
root
> permission to install gems.  You can create a directory ~/rubygems and
> install them there and set GEMPATH to search there before the system gems.
>
> Try running various programs with "--help" on the command line to
see
> what options exist.  Red the manual pages or the developers pages.
>
> Try running the ''env'' command to see what environment
settings are current.
>
> In many ways *NIX is simpler to understand than Windows.  The
> configuration files are usually text files, one for each application,
> and the settings have text documenting them; the settings not employed
> are also documented there.
>
> Of course there will always be programmers who roll out applications
> that fail to follow the conventions.   Some are just arrogant, some have
> come form other environments (not just Windows) and aren''t
familiar with
> the conventions yet.
>
> Rails claims to favour convention over configuration.  In reality it had
> followed the *NIX Way of the configuration is in the convention.
>
> Ah, it was all so much easier 30 years ago ....
>
> Ryan Bigg said the following on 10/12/07 06:23 PM:
>
>
>
> > Why on earth would you want to know where it goes? Apache and MySQL I
> > can understand, but Ruby/Rubygems/rails/mongrel and lighttpd I
can''t.
>
> > Going by my install of Ubuntu:
>
> > Ruby is in /usr/lib/ruby
> > Rubygems is in /usr/lib/ruby/gems
> > Rails is in /usr/lib/ruby/gems/1.8/gems/rails-*.*.*
> > Mongrel is in /usr/lib/ruby/gems/1.8/gems/mongrel-*.*.*
>
> > I wouldn''t recommend touching any of the files located in
these
> > directories unless you know what you''re doing with them.
>
> > It''s probably best to tell us what you want them for so we
can advice.
>
> > On Dec 11, 2007 9:47 AM, yvonney
<yvonnebarrym...-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org
> >
<mailto:yvonnebarrym...-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org>>
wrote:
>
> >     [TOP lINE: is there a linux program that will tell me where all
the
> >     installed files went?]
>
> >     Hi all....great to be here... i''m pretty relentless yet
very new to
> >     RoR and fairly new to Linux [went with ubuntu 7.10 for the time
being
> >     - learing pure Deb and/or Slack/BDS for the future]
>
> >     anyhooo.. So...
> >     Coming from my highly understood XP install [frankly it feels yuk
> >     these days] i''m wishing to know the Linux way of finding
out
> >     EVERYTHING that a package installs and WHERE it installs.
>
> >     I''m having a great time with nix and simply
can''t find the utility
> >     that''s best for telling me where ALL is as far as
directories and even
> >     dependencies goes.
>
> >     So... i''ve install: [have played successfully with manual
installs as
> >     well]
>
> >     ruby/rubygems/rails/mongrel/lighttpd/    and as well,
apache2/mySQL
> >     etc etc etc
>
> >     I''m not comfortable that they all simply work.... I wanna
know where
> >     EveryThing IS...!!!
>
> >     Can any guru tell me the BEST way/app to learn with..?
>
> --
> Never look a gift horse in the mouth.
>     Saint Jerome, On the Epistle to the Ephesians
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hehehe! yes, definitely a ''healthy OCD''... just reading
replies now..
thank you thank you
um, 1) I have no problem running as root. 2) I don''t fear in the
slightest altering the text files as root.

Maybe cause it''s not critical what I''m doing

3) At some point I''d love to see portable apps for linux be a big
thing and if that''s not likely, wanna find out, why.

anyways... I will eventually need to be able to build all files from
source or, um.. I won''t have a life! :)
Attempts at humor aside... writing as an appreciation here... much.
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On Mon, 10 Dec 2007, yvonney wrote:
> [TOP lINE: is there a linux program that will tell me where all the
> installed files went?]
Depends on the distro since they all have different packaging systems. 
Read the packaging docs for your distro of choice.

Ubuntu is based on Debian so the Debian APT guide should help.
> anyhooo.. So...
> Coming from my highly understood XP install [frankly it feels yuk
> these days] i''m wishing to know the Linux way of finding out
> EVERYTHING that a package installs and WHERE it installs.
> 
> I''m having a great time with nix and simply can''t find
the utility
> that''s best for telling me where ALL is as far as directories and
even
> dependencies goes.
man locate



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