[gentoo-user] Does portage keep a copy of the file which it installs in the system

[gentoo-user] Does portage keep a copy of the file which it installs in the system

[Lorenzu Hewa, Gayan Neomal]

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Hi,

 

Does portage keep a copy of the file which it installs in the system?
Because after the intial installation the gentoo system only contains
few packages and it takes up about 2.5 GB ... Where other distro's like
slackware would take up 2.5 GB for every thing with out KDE or Gnome . 

 

Where should I look for information ... 

 

 

 

Thanks & Regards,

 

Gayan Lorenzu Hewa | Sub Officer | Wholesale Banking Corporate Service
Center | Standard Chartered Bank 

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Re: [gentoo-user] Does portage keep a copy of the file which it installs in the system

[Alan McKinnon]

On Wednesday 05 November 2008 09:20:44 Lorenzu Hewa, Gayan Neomal wrote:
> Hi,
>
>
>
> Does portage keep a copy of the file which it installs in the system?
> Because after the intial installation the gentoo system only contains
> few packages and it takes up about 2.5 GB ... Where other distro's like
> slackware would take up 2.5 GB for every thing with out KDE or Gnome .

Use df, du and such tools to figure it out for yourself.

The biggest directory is usually distfiles which contains theoriginal sources 
portage unpacked to build the package



-- 
alan dot mckinnon at gmail dot com

Re: [gentoo-user] Does portage keep a copy of the file which it installs in the system

[Daniel Troeder]

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Am Mittwoch, den 05.11.2008, 12:50 +0530 schrieb Lorenzu Hewa, Gayan
Neomal:
> Does portage keep a copy of the file which it installs in the system?
Yes: /var/db/pkg  (/var/db/pkg/*/*/CONTENTS)

The information in /var/db/pkg is more nicely accessed through the
utilities in app-portage/portage-utils and app-portage/gentoolkit.
Install theses packages and play with the tools - it will make your
gentoo-life a lot nicer :)
A must (at least for me) is also app-portage/eix to access the
information in /usr/portage quickly.

>  Because after the intial installation the gentoo system only contains
> few packages and it takes up about 2.5 GB … Where other distro’s like
> slackware would take up 2.5 GB for every thing with out KDE or
> Gnome .  
1st:
# rm /usr/portage/distfiles/*

Then: Gentoo installs (in binary distros terms) all "*-dev" packages
(all libs and headers), as it needs this for compiling - that blows the
system a lot. 

In my system (GNOME, lots of servers, development software) the
installed package DB (/var/db/pkg) is about 200 MB.
The portage tree (/usr/portage) is about 500 MB for everybody...

> Where should I look for information … 
* Use 'qsize' from app-portage/portage-utils to find out package sizes.
* Use 'du -sm /* /*/* | sort -n' to take a first peak at how files are
distributed on your disk.

Bye,
Daniel

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# gpg --recv-keys --keyserver hkp://subkeys.pgp.net 0xBB9D4887


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Re: [gentoo-user] Does portage keep a copy of the file which it installs in the system

[Volker Armin Hemmann]

On Mittwoch 05 November 2008, Daniel Troeder wrote:
> Am Mittwoch, den 05.11.2008, 12:50 +0530 schrieb Lorenzu Hewa, Gayan
>
> Neomal:
> > Does portage keep a copy of the file which it installs in the system?
>
> Yes: /var/db/pkg  (/var/db/pkg/*/*/CONTENTS)

no, that is just a LIST.
.
>
> >  Because after the intial installation the gentoo system only contains
> > few packages and it takes up about 2.5 GB … Where other distro’s like
> > slackware would take up 2.5 GB for every thing with out KDE or
> > Gnome .
>
> Then: Gentoo installs (in binary distros terms) all "*-dev" packages
> (all libs and headers), as it needs this for compiling - that blows the
> system a lot.

a bit ;) but yes.

> In my system (GNOME, lots of servers, development software) the
> installed package DB (/var/db/pkg) is about 200 MB.
> The portage tree (/usr/portage) is about 500 MB for everybody...
>
> > Where should I look for information …
>
> * Use 'qsize' from app-portage/portage-utils to find out package sizes.
> * Use 'du -sm /* /*/* | sort -n' to take a first peak at how files are
> distributed on your disk.

and don't forget that du is lying - a lot.

Re: [gentoo-user] Does portage keep a copy of the file which it installs in the system

[Alan McKinnon]

On Wednesday 05 November 2008 18:26:35 Volker Armin Hemmann wrote:
> > * Use 'qsize' from app-portage/portage-utils to find out package sizes.
> > * Use 'du -sm /* /*/* | sort -n' to take a first peak at how files are
> > distributed on your disk.
>
> and don't forget that du is lying - a lot.

No it doesn't, du is very exact.

It's just exact in ways the user seldom expects it be exact in. Especially 
when they have the block size wrong, or don't understand SI units (that's OK, 
nobody understands SI units) or include symlinks, or don't grok sparse 
files...

-- 
alan dot mckinnon at gmail dot com

Re: [gentoo-user] Does portage keep a copy of the file which it installs in the system

[Volker Armin Hemmann]

On Mittwoch 05 November 2008, Alan McKinnon wrote:
> On Wednesday 05 November 2008 18:26:35 Volker Armin Hemmann wrote:
> > > * Use 'qsize' from app-portage/portage-utils to find out package sizes.
> > > * Use 'du -sm /* /*/* | sort -n' to take a first peak at how files are
> > > distributed on your disk.
> >
> > and don't forget that du is lying - a lot.
>
> No it doesn't, du is very exact.

nope, it is lying.

du -h /var

31G     /var

df -h
/dev/md2               18G  5,4G   13G  31% /var

as I said - lying ;)

Re: [gentoo-user] Does portage keep a copy of the file which it installs in the system

[Alan McKinnon]

On Wednesday 05 November 2008 20:39:54 Volker Armin Hemmann wrote:
> On Mittwoch 05 November 2008, Alan McKinnon wrote:
> > On Wednesday 05 November 2008 18:26:35 Volker Armin Hemmann wrote:
> > > > * Use 'qsize' from app-portage/portage-utils to find out package
> > > > sizes. * Use 'du -sm /* /*/* | sort -n' to take a first peak at how
> > > > files are distributed on your disk.
> > >
> > > and don't forget that du is lying - a lot.
> >
> > No it doesn't, du is very exact.
>
> nope, it is lying.

No it's not :-)

Be prepared to find out stuff:

> du -h /var
>
> 31G     /var

This is the total size of all files below /var, measured as actual allocatable 
disk space consumed, not the sum of the size of all files.

> df -h
> /dev/md2               18G  5,4G   13G  31% /var

This is the *filesystem* mounted at /var, the data comes from it's superblock

>
> as I said - lying ;)

I say you have other filesystems mounted below /var somewhere, about 25G worth 
of stuff. Or, you have a 25G sparse file :-)

-- 
alan dot mckinnon at gmail dot com

Re: [gentoo-user] Does portage keep a copy of the file which it installs in the system

[Volker Armin Hemmann]

On Mittwoch 05 November 2008, Alan McKinnon wrote:
> On Wednesday 05 November 2008 20:39:54 Volker Armin Hemmann wrote:
> > On Mittwoch 05 November 2008, Alan McKinnon wrote:
> > > On Wednesday 05 November 2008 18:26:35 Volker Armin Hemmann wrote:
> > > > > * Use 'qsize' from app-portage/portage-utils to find out package
> > > > > sizes. * Use 'du -sm /* /*/* | sort -n' to take a first peak at how
> > > > > files are distributed on your disk.
> > > >
> > > > and don't forget that du is lying - a lot.
> > >
> > > No it doesn't, du is very exact.
> >
> > nope, it is lying.
>
> No it's not :-)
>
> Be prepared to find out stuff:
> > du -h /var
> >
> > 31G     /var
>
> This is the total size of all files below /var, measured as actual
> allocatable disk space consumed, not the sum of the size of all files.
>
> > df -h
> > /dev/md2               18G  5,4G   13G  31% /var
>
> This is the *filesystem* mounted at /var, the data comes from it's
> superblock
>
> > as I said - lying ;)
>
> I say you have other filesystems mounted below /var somewhere, about 25G
> worth of stuff. Or, you have a 25G sparse file :-)

nope. I do have a 2gb tempfs mounted at /var/tmp/portage, but then I would get 
20GB overall. Also the partition size is 18gb. So du is lying. Well, the fact, 
that I am using a filesystem with compression, makes du lying even worse *fg*.