Using yum command to load missing libraries

04/15/2008

Missing Linux Libraries

We often get a support call from clients who get an error message about missing libraries on their Linux box.
Typical errors may look like the following:

../tools/COMINSTALL: ../tools/unzip: /lib/ld-linux.so.2: bad ELF interpreter: No such file or directory

The solution for this problem is to use the yum command to find the missing libraries and install them. Here is the procedure..

yum search glibc
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
 * base: mirror.sigmanet.com
 * extras: repos-lax.psychz.net
 * updates: mirror.keystealth.org
================================================ N/S Matched: glibc 
glibc-common.x86_64 : Common binaries and locale data for glibc
compat-glibc.x86_64 : Compatibility C library
compat-glibc-headers.x86_64 : Header files for development using standard C libraries.
.....
Once you find the name of the missing library, you can go ahead and install it using the following command.
yum install glibc.i686
The installation will start and complete after a few seconds. There should be a message that the installation completed like the following.
Installed:
  glibc.i686 0:2.12-1.209.el6_9.2                                                                                   

Dependency Installed:
  nss-softokn-freebl.i686 0:3.14.3-23.3.el6_8                                                                       

Complete!


Other Common Missing Libraries

When running some our tools on Linux, clients may get error messages related to missing libraries.
Here are some command errors and their solutions using the yum command.

../bin/mmask: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory

yum search curses
yum install ncurses-libs.i686

hagai@asmsc45 examples]$ ../bin/mmask -h
../bin/mmask: error while loading shared libraries: libtermcap.so.2: cannot open shared object file: No such file or directory

yum search libterm
yum install compat-libtermcap.i686


./bin/mmask -h
../bin/mmask: error while loading shared libraries: libg2c.so.0: cannot open shared object file: No such file or directory

yum search libf2c
yum install compat-libf2c-34.i686

LD_LIBRARY_PATH

If you happen to install some libraries in an empty folder you created, please make sure you add this folder to the variable LD_LIBRARY_PATH by going to this folder and typing...

export LD_LIBRARY_PATH=`pwd`:$LD_LIBRARY_PATH





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