On Wed, Jun 28, 2017 at 11:14:40AM -0400, Bhaskar Verma wrote:
> I'm going through LFS book Version 8.0 on Ubuntu 15.04 x64 Host
> 
> Everything was going smooth till chapter 6.27 Iana-Etc-2.30
> 
> Just after I completed the previous topic Psmisc-22.21, I tried to extract
> iana-etc-2.30.tar.bz2 but then all of a sudden I can't
> 
> It says: bzip2: error while loading shared libraries: libbz2.so.1.0: cannot
> open shared object file: No such file or directory
> 
> Before this, every step and tests were fine without any error. and suddenly
> this...
> 
> What should I do

I think something went wrong in bzip2 (6.18).  That might seem a
long while ago, but nowadays bz2 is not used for many of the
tarballs in LFS (gz works everywhere, xz may offer better
compression).  So iana-etc is the first .tar.bz2 package after
installing bzip2 in chapter 6.

Unfortunately, bzip2 is not a plain configure, make, make install -
The initial install doesn't install the shared build of bzip2, nor
the shared library, so we run a series of commands.  And we install
the shared libbz2.so* files into /lib.

I think something went wrong when you created the symlinks -

 ln -sv ../../lib/libbz2.so.1.0 /usr/lib/libbz2.so

Possibly you missed that line, or made a typo.  So

ls -l {,/usr}/lib/libbz2.so*

This is what I've got on an old system, I'm sure your results differ:

ken@plexi ~ $ls -l {,/usr}/lib/libbz2.so*
lrwxrwxrwx 1 root root     15 Aug 28  2016 /lib/libbz2.so.1.0 -> libbz2.so.1.0.6
-rwxr-xr-x 1 root root 235472 Aug 28  2016 /lib/libbz2.so.1.0.6
lrwxrwxrwx 1 root root     23 Aug 28  2016 /usr/lib/libbz2.so -> 
../../lib/libbz2.so.1.0

ĸen
-- 
I live in a city. I know sparrows from starlings.  After that
everything is a duck as far as I'm concerned.  -- Monstrous Regiment
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