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nobody13
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PostPosted: Thu Feb 23, 2012 8:20 pm    Post subject: I've made a bad mistake --Please help me [solved] Reply with quote

I had a conflict during an update, and without thinking about what it was, I uninstalled it thinking I could just reinstall the newer package.

Code:
WARNING: One or more updates have been skipped due to a dependency conflict:

sys-libs/zlib:0

  (sys-libs/zlib-1.2.6::gentoo, ebuild scheduled for merge) conflicts with
    <sys-libs/zlib-1.2.5.1-r1:0 required by (dev-db/virtuoso-server-6.1.3-r2::gentoo, installed)


It immediatly failed and now i can't emerge anything. Is this fixable or am i looking at a fresh install?

Code:
# emerge -av1 sys-libs/zlib
Traceback (most recent call last):
  File "/usr/bin/emerge", line 37, in <module>
    from _emerge.main import emerge_main
  File "/usr/lib64/portage/pym/_emerge/main.py", line 39, in <module>
    from _emerge.actions import action_config, action_sync, action_metadata, \
  File "/usr/lib64/portage/pym/_emerge/actions.py", line 11, in <module>
    import random
  File "/usr/lib64/python2.7/random.py", line 48, in <module>
    from binascii import hexlify as _hexlify
ImportError: libz.so.1: cannot open shared object file: No such file or directory


Last edited by nobody13 on Fri Feb 24, 2012 12:06 am; edited 1 time in total
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Voltago
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PostPosted: Thu Feb 23, 2012 8:31 pm    Post subject: Reply with quote

Easily fixable. Post your
Code:
emerge --info

output and ask someone with a reasonably similar machine (same processor architecture should be fine, but let's see your system info first) to upload libz.so.X.Y.Z to somewhere. Put it into your /lib folder and create a symlink to /lib/libz.so.X. Btw what version of zlib where you using (check /var/log/emerge.log)? Finally, do
Code:
emerge -1 zlib

to properly re-install the package.
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Yuu
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PostPosted: Thu Feb 23, 2012 8:32 pm    Post subject: Reply with quote

Hi nobody13,

maybe you could go to tinderbox.dev.gentoo.org and download the corresponding zlib to your arch.

Then, move-it to your PKGDIR: it should be /usr/portage/packages (check your emerge --info output).

Next, emerge your package using this command:
Code:
# emerge -K =sys-libs/zlib-1.2.5-r2


And now, you should be able to continue your emerge, as usual.


Good luck :]

--
Edit: well... too late!
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Etal
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PostPosted: Thu Feb 23, 2012 8:40 pm    Post subject: Reply with quote

... assuming of course that you can still download stuff. If you're lucky, you might still have a browser and a terminal still open.

If not, you'll have to find a liveCD and unpack it zlib manually. If you do that, be sure to re-emerge the same version as the one from tinderbox, or you'll have stray files left over.
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nobody13
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PostPosted: Thu Feb 23, 2012 8:59 pm    Post subject: Reply with quote

Thanks everyone for the fast responses.

gcc-config -l and emerge --info don't work at this point

Code:
# gcc-config -l
 * gcc-config: Could not get portage CHOST!
 * gcc-config: You should verify that CHOST is set in one of these places:
 * gcc-config:  - //etc/make.conf
 * gcc-config:  - active environment
 
# emerge --info
Traceback (most recent call last):
  File "/usr/bin/emerge", line 37, in <module>
    from _emerge.main import emerge_main
  File "/usr/lib64/portage/pym/_emerge/main.py", line 39, in <module>
    from _emerge.actions import action_config, action_sync, action_metadata, \
  File "/usr/lib64/portage/pym/_emerge/actions.py", line 11, in <module>
    import random
  File "/usr/lib64/python2.7/random.py", line 48, in <module>
    from binascii import hexlify as _hexlify
ImportError: libz.so.1: cannot open shared object file: No such file or directory


Here's make.conf

Code:
CFLAGS="-march=nocona -O2 -pipe -ggdb"
CHOST="x86_64-pc-linux-gnu"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j4"
source /var/lib/layman/make.conf
PORTDIR_OVERLAY="/usr/local/portage"
LINGUAS="en en-US"
INPUT_DEVICES="evdev"
VIDEO_CARDS="nvidia"
GENTOO_MIRRORS="http://gentoo.mirrors.tds.net/gentoo/ "
SYNC="rsync://rsync.namerica.gentoo.org/gentoo-portage"
ACCEPT_LICENSE="*"
FEATURES="splitdebug"


Firefox is dead but Konqueror still works hopefully i can download or ssh next step
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Etal
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PostPosted: Thu Feb 23, 2012 9:17 pm    Post subject: Reply with quote

Here's the link if you can manage to download it: http://tinderbox.dev.gentoo.org/default-linux/amd64/sys-libs/zlib-1.2.5-r2.tbz2

Luckily, it's compressed with bzip2 :)
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nobody13
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PostPosted: Thu Feb 23, 2012 9:32 pm    Post subject: Reply with quote

I have the file but there's no directory /usr/portage/package
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Etal
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PostPosted: Thu Feb 23, 2012 9:36 pm    Post subject: Reply with quote

Well then, create one! :)

(Also, it's /usr/portage/packages)
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nobody13
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PostPosted: Thu Feb 23, 2012 9:43 pm    Post subject: Reply with quote

made dir and copied it there also to /usr/portage/distfiles. Here's what I get

Code:
 # emerge -K =sys-libs/zlib-1.2.5-r2
Traceback (most recent call last):
  File "/usr/bin/emerge", line 37, in <module>
    from _emerge.main import emerge_main
  File "/usr/lib64/portage/pym/_emerge/main.py", line 39, in <module>
    from _emerge.actions import action_config, action_sync, action_metadata, \
  File "/usr/lib64/portage/pym/_emerge/actions.py", line 11, in <module>
    import random
  File "/usr/lib64/python2.7/random.py", line 48, in <module>
    from binascii import hexlify as _hexlify
ImportError: libz.so.1: cannot open shared object file: No such file or directory
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nobody13
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PostPosted: Thu Feb 23, 2012 9:47 pm    Post subject: Reply with quote

If I chroot from the gentoo disk will it reinstall by using emerge zlib?
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Jaglover
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PostPosted: Thu Feb 23, 2012 9:52 pm    Post subject: Reply with quote

Just do what Voltago told you to do.
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Etal
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PostPosted: Thu Feb 23, 2012 9:56 pm    Post subject: Reply with quote

I don't think it will help to chroot, since portage needs zlib whether you are chrooted or not.

What I would do is unpack it manually, and then reinstall it so that it gets registered into portage:

Code:
# cd /
# tar xjvf .../zlib-1.2.5-r2.tbz2
# emerge -K =sys-libs/zlib-1.2.5-r2

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NeddySeagoon
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PostPosted: Thu Feb 23, 2012 11:05 pm    Post subject: Reply with quote

nobody13,

The dirty hack is to boot the liveCD, mount your filesystems as you did during the install but do not chroot.
Copy zlib-1.2.5-r2.tbz2 to /mnt/gentoo as thats the root of your real Gentoo install
cd to /mnt/gentoo
then tar xpf zlib-1.2.5-r2.tbz2

The advantage of this over Etals post is that you get to use a fully working environment for tar.
The p option is included to preserve permissions. You need that or eXecute permission will be removed and zlib still won't work

When tar completes, you will get a waring about extra garbage at end ignored. Thats expected as the file you started with was a binary packages for use by portage. It has some extra stuff at the end that is no use to tar.

Now reboot into your own gentoo and
Code:
emerge -1 zlib

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nobody13
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PostPosted: Fri Feb 24, 2012 12:14 am    Post subject: Reply with quote

Thank you both for the help. It's reinstalled and working again.
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lo-jay
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PostPosted: Fri Mar 09, 2012 1:21 am    Post subject: Reply with quote

wow, did the same stupid mistake...

so nobody 13, which of the the two different procedures did you follow?

i mean how exactly did you re-install it???


cheers!

ps: did untar the file, but still can't emerge:

Code:
tux5 packages # tar xjvf zlib-1.2.5-r2.tbz2
./
./usr/
./usr/lib64/
./usr/lib64/pkgconfig/
./usr/lib64/pkgconfig/zlib.pc
./usr/lib64/libz.a
./usr/lib64/libz.so
./usr/share/
./usr/share/man/
./usr/share/man/man3/
./usr/share/man/man3/zlib.3.bz2                                                                                                                                         
./usr/share/doc/                                                                                                                                                       
./usr/share/doc/zlib-1.2.5-r2/                                                                                                                                         
./usr/share/doc/zlib-1.2.5-r2/rfc1950.txt.bz2                                                                                                                           
./usr/share/doc/zlib-1.2.5-r2/FAQ.bz2
./usr/share/doc/zlib-1.2.5-r2/README.bz2
./usr/share/doc/zlib-1.2.5-r2/ChangeLog.bz2
./usr/share/doc/zlib-1.2.5-r2/algorithm.txt.bz2
./usr/share/doc/zlib-1.2.5-r2/rfc1951.txt.bz2
./usr/share/doc/zlib-1.2.5-r2/rfc1952.txt.bz2
./usr/share/doc/zlib-1.2.5-r2/txtvsbin.txt.bz2
./usr/include/
./usr/include/zlib.h
./usr/include/zconf.h
./lib64/
./lib64/libz.so.1
./lib64/libz.so.1.2.5

bzip2: (stdin): trailing garbage after EOF ignored
tux5 packages # emerge -K =sys-libs/zlib-1.2.5-r2
Traceback (most recent call last):
  File "/usr/bin/emerge", line 37, in <module>
    from _emerge.main import emerge_main
  File "/usr/lib64/portage/pym/_emerge/main.py", line 39, in <module>
    from _emerge.actions import action_config, action_sync, action_metadata, \
  File "/usr/lib64/portage/pym/_emerge/actions.py", line 11, in <module>
    import random
  File "/usr/lib64/python2.7/random.py", line 48, in <module>
    from binascii import hexlify as _hexlify
ImportError: libz.so.1: cannot open shared object file: No such file or directory

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Yuu
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PostPosted: Fri Mar 09, 2012 9:36 am    Post subject: Reply with quote

Hi lo-jay,

did you try tar with the p argument, like NeddySeagoon said ?

NeddySeagoon wrote:
then tar xpf zlib-1.2.5-r2.tbz2

The advantage of this over Etals post is that you get to use a fully working environment for tar.
The p option is included to preserve permissions. You need that or eXecute permission will be removed and zlib still won't work

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Etal
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PostPosted: Sat Mar 10, 2012 4:36 am    Post subject: Reply with quote

Quote:
packages # tar xjvf zlib-1.2.5-r2.tbz2


You're un-taring the stuff into the package directory. "cd / " first. ;)
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nobody13
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PostPosted: Sun Mar 11, 2012 4:46 pm    Post subject: Reply with quote

lo-jay wrote:
wow, did the same stupid mistake...

so nobody 13, which of the the two different procedures did you follow?

i mean how exactly did you re-install it???


cheers!

ps: did untar the file, but still can't emerge:

Code:
tux5 packages # tar xjvf zlib-1.2.5-r2.tbz2
./
./usr/
./usr/lib64/
./usr/lib64/pkgconfig/
./usr/lib64/pkgconfig/zlib.pc
./usr/lib64/libz.a
./usr/lib64/libz.so
./usr/share/
./usr/share/man/
./usr/share/man/man3/
./usr/share/man/man3/zlib.3.bz2                                                                                                                                         
./usr/share/doc/                                                                                                                                                       
./usr/share/doc/zlib-1.2.5-r2/                                                                                                                                         
./usr/share/doc/zlib-1.2.5-r2/rfc1950.txt.bz2                                                                                                                           
./usr/share/doc/zlib-1.2.5-r2/FAQ.bz2
./usr/share/doc/zlib-1.2.5-r2/README.bz2
./usr/share/doc/zlib-1.2.5-r2/ChangeLog.bz2
./usr/share/doc/zlib-1.2.5-r2/algorithm.txt.bz2
./usr/share/doc/zlib-1.2.5-r2/rfc1951.txt.bz2
./usr/share/doc/zlib-1.2.5-r2/rfc1952.txt.bz2
./usr/share/doc/zlib-1.2.5-r2/txtvsbin.txt.bz2
./usr/include/
./usr/include/zlib.h
./usr/include/zconf.h
./lib64/
./lib64/libz.so.1
./lib64/libz.so.1.2.5

bzip2: (stdin): trailing garbage after EOF ignored
tux5 packages # emerge -K =sys-libs/zlib-1.2.5-r2
Traceback (most recent call last):
  File "/usr/bin/emerge", line 37, in <module>
    from _emerge.main import emerge_main
  File "/usr/lib64/portage/pym/_emerge/main.py", line 39, in <module>
    from _emerge.actions import action_config, action_sync, action_metadata, \
  File "/usr/lib64/portage/pym/_emerge/actions.py", line 11, in <module>
    import random
  File "/usr/lib64/python2.7/random.py", line 48, in <module>
    from binascii import hexlify as _hexlify
ImportError: libz.so.1: cannot open shared object file: No such file or directory



HI, I used the file from the site that Yuu mentioned above. Get the same version that you uninstalled and save it at /. Then boot to the gentoo cd, mount your root partition and extract it (tar xjfp). Reboot and emerge the same version. Then emerge -ua zlib.

The file didn't extract correctly until I used the cd as Neddyseagoon mentioned. I think tar died with the rest of the programs when I broke it .
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lil_liminal
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PostPosted: Tue Dec 11, 2012 12:06 pm    Post subject: Reply with quote

Just wanted to chime in, this worked for me so thanks for the help.
For future noobs like me:
I went to tinderbox and downloaded the zlib from http://tinderbox.dev.gentoo.org/default-linux/x86/sys-libs/
In console i went to the directory i downloaded it to:
I then did su and then did:
mv name of zlib tbz2 /
i then did cd /
and a tar xjvf on the zlib package and everything works fine now.
basically you have to extract it from root as root.
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schhub
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PostPosted: Wed Sep 11, 2013 6:05 am    Post subject: Reply with quote

Hi all,
:oops: i also made the same mistake, but i'm now looking for zlib-1.2.7 and i can't find it for download.
How can i solve this problem then ? tried to copy from an other PC (but not in same version) some files like /lib/libz.so.1.2.7 /usr/lib/libz.so /usr/include/zlib.h
/usr/include/zconf.h but it's not working :? :cry:

Ok sorry for re-opening , and i found a way to resolve it, i downloaded latest stage3 untared it and copied the different "zlib" files from stage3/lib and stage3/usr/lib /stage3/usr/include to their destination.
After i could re-emerge sys-libs/zlib again and all was working correctly !!
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