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Questions tagged [libraries]

A library is a collection of functionality that programs can use. They can be dynamically loaded by a program, or they may be compiled into the program.

4
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1answer
151 views

Determine the name of the static/dynamic library

Quite often I am using third party snippets of C code that uses a Unix/Linux C library, an example #include <glib.h>, #include <net/if.h>. And they require me to know the specific library ...
1
vote
1answer
606 views

error while loading shared libraries: libcppunit-1.13.so.0: cannot open shared object file: No such file or directory

I've done everything I thought was needed, but can't get this library to be installed properly. ldconfig -p | grep libcppunit keeps returning the empty string. To install it, I've run (do not ...
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0answers
977 views

Added anaconda2 lib to LD_LIBRARY_PATH, results in “no version information available” warning

To compile a program (Caffe) I added my anaconda2 libraries to .bashrc as follows: export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/anaconda2/lib/ However, now when I run ls or find I get the ...
4
votes
4answers
2k views

How to check which binaries depend on certain files in /lib?

I know that if I do the command ldd <name> on a binary file in /bin or /sbin I can see which libraries it uses. How do I do the reverse? I.e. do a command on a file in /lib and see what binaries ...
0
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1answer
182 views

How to regain access to the lost user , linux3 , of two side by side Ubuntu 16.04 instances?

Three days ago, I tried installing the second of two Ubuntu Linux 16.04 versions side by side on the same Lenovo Thinkstation desktop using the procedure described in this URL, https://askubuntu.com/...
0
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1answer
258 views

How to create a symbolic link of all files in a directory using a shortened name obtained with using a piped cut on the filename

I have a directory full of libraries (*.so.0.*), and I want to use find to create a symbolic link to each file, named *.so.0. Here is a (non working) try: find $HOME/.local/lib64/ -name "lib*.so.0.*"...
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0answers
711 views

Where are the definitions for the prototype declarations in <bsd/stdlib.h>?

I have a C program on Ubuntu 16.04, in which I would like to use arc4random_uniform. typedef unsigned char u_char; #include <bsd/stdlib.h> int main () { return (int) arc4random_uniform(100); } ...
3
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2answers
47 views

Limiting System Libraries that an Program Can Use

I have a program that runs under Linux. The program crashes if a particular library exists on the system but runs normally if the library is not present. (It only seems to look for the library at ...
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0answers
144 views

prelink - weird massive modification after installing zabbix-agent

I thought I knew something about prelink, but I ran into weirdest issue yesterday. I know I shouldn't use prelink, but I've noticed it is enabled on one of CentOS 6 systems under my administration ...
1
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0answers
3k views

Installing libstdc++-devel on my CentOS server

rpm -qa | grep libstdc++ gives: libstdc++-4.8.3-9.el7.x86_64 However, find . -name "*libstdc++*" gives: ./usr/lib/gcc/x86_64-redhat-linux/4.8.2/32/libstdc++.a ./usr/lib/gcc/x86_64-redhat-linux/4.8....
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0answers
37 views

Program on Debian8.3 appears different than on Fedora18

I've made a couple of programs (Let's call them ProgressBar and LabelsAndInfo) with Qt4.8 and C++ for my enterprise's HW. It runs on a Fedora 18 and it works fine. Now, a mate is trying to run all ...
4
votes
1answer
12k views

How to change the paths to shared libraries (.so files) for a single terminal instance

I want to remove some of the paths the linker uses to find .so libraries for testing purposes. I have found a way to add library paths: export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/path/to/library" ...
0
votes
1answer
661 views

Cross-compiling ImageMagick on ARM

The following is for ImageMagick cross compiled on ARM, I have successfully cross compiled it but while using the convert binary on cross environment it gives following error: [root@FriendlyARM bin]# ...
1
vote
1answer
596 views

unable to load pypy library: libpypy-c.so: cannot open shared object file: No such file or directory

I'm usign fedora and yum package manager, when I was tired to config uwsgi with pypy this error occured: unable to load pypy library: libpypy-c.so: cannot open shared object file: No such file or ...
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0answers
27 views

Running apache on offline system

I want to install apache using yum on CentOS 7 and check its shared libraries with ldd and pack the binary and files in apache's rpm and those libraries with full paths and transfer them to offline ...
0
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1answer
618 views

no video using webex with fedora 22 and firefox

I can connect into a webex presentation on my Fedora 22 x64 workstation with Firefox x64 but I can't see any video. I am using Firefox version 43.0.3 with the icedtea-web plugin version 4.6.2. I have ...
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0answers
832 views

Buliding libaffa: running make says Nothing to be done for 'all'

I'm trying to compile the library libaffa, with the following procedure: sudo ./configure -> OK sudo make && make install -> "Nothing to be done for 'all' " How do I fix this? I run ...
2
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1answer
2k views

How to install a custom GMP lib for just one user?

I'm doing some heavy number crunching on one system and I'd like to compile (and finetune) a custom GMP 6.1.0 for the user launching the number crunching computation. Previously I had a Debian wheezy (...
1
vote
1answer
911 views

How to use NVIDIA CUDA on poky/yocto based linux os?

I have an NVidia Jetson TK1 Development board (ARM Cortex A15) which has a Keplar GPU that supports CUDA. I want to do same image processing on it with OpenCV 3.0 using CUDA. Reading through the ...
4
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2answers
6k views

Relationship between ldconfig and ld.so.cache

After I restart my computer, ld.so.cache still has the information in it, so my questions are as follows: Is the information always kept there? Isn't it being removed after restart or something like ...
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0answers
2k views

Redhat error while loading shared libraries: libkeyutils.so.1: cannot open shared object file: Permission denied

I just installed and am trying to start rpcbind on my redhat 7 machine. I'm new to linux so I'm having some trouble figuring out what to do next. I'm running all of these commands as the root user. ...
1
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1answer
288 views

Environment variable to blacklist a shared library?

I've had a problem with Mono disrespecting my fglrx libGL library and loading the Mesa library instead. So far I've been fixing it by deleting or moving the Mesa library (/usr/lib64/libGL.so.1.2.0) ...
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0answers
96 views

Recommended way of repackaging proprietary deb packages, which include old system libraries

Intro Long story short, in couple projects I'm using some stereo-cams. Unfortunately, manufacturer provides packages (rpm and deb) for user-space drivers which are not exactly properly formatted (...
3
votes
0answers
331 views

Remove package with yum but leave libraries in place?

During setup on a specific set of servers, I need gcc-c++ installed to compile some of the software I am setting up. After install is complete I need to remove the compiler for security reasons. ...
0
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1answer
385 views

What's different between “su - username” then command and “sudo -u username command”

I have a problem about unixodbc. It show the error message about Can't open lib .... So, I use the ldd command to check. If I use su - username,the result like below: [root@ostest ~]# su - mysql [...
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1answer
15k views

libssl.so.0.9.8: cannot open shared object file: No such file or directory

When attempting to run Cloud9 IDE locally after its installation I receive this error: # bin/cloud9.sh Linux 64 bit support/node-builds-v4/node-linux64: error while loading shared libraries: libssl....
1
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1answer
294 views

How do I find the libraries this program needs for its environment variable?

I am trying to set up the program NASAView, for viewing PDS files. The instructions say Set the LD_LIBRARY_PATH Environment Variable The LD_LIBRARY_PATH environment variable is used to locate ...
1
vote
0answers
526 views

Extract coordinates of matching text in PDF

Basically I want to grep a string in a PDF and get the coordinates of the matching result(s). I already use pdftotext to do the opposite, namely to extract some text given its coordinates. In ...
2
votes
2answers
607 views

Compiling Octave 4 with OpenGL .. X11 configure script linking error

I want compile Octave 4 with OpenGL/GUI support but don't know which packages to install on RHEL/CentOS system. I only get warning: configure: WARNING: OpenGL libs (GL and GLU) not found -- disabling ...
3
votes
1answer
104 views

Is there any danger to using an unset variable in a bash function definition?

Doing some code refactoring, and I realized I don't know if this matters at all: The function definition is going to be sourced from another file (a sort of library). The function uses certain ...
2
votes
2answers
9k views

Install libjpeg.so.8 to CentOS 6.6

I need install libjpeg.so.8 to CentOS 6.6 but i do not understand how to do... I have installed libjpeg-turbo libjpeg-turbo-devel but libjpeg.so.8 there is not
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0answers
301 views

Can't install gphoto2 on Yocto Linux

I recently discovered how to connect to a PTP-compatible camera from Linux so I figured I could do the same from a Galileo Gen 2 board, only to find out that it's not as easy as I thought. The Yocto ...
0
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2answers
51 views

User-dependent packages/files in /lib

I have setup a 2-seat computer. I start one X11 server using the computer's onboard graphics card (intel) and another in the dedicated one (nvidia). Everything runs fine, except opengl. Currently, ...
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0answers
61 views

Some applications on my unbuntu won't launch (document viewer)

My Document viewer is not able to launch. When I open it using commandline it gives me the following error: evince evince: error while loading shared libraries: libffi.so.6: failed to map segment ...
3
votes
1answer
258 views

Satisfying lib dependency

I have a program (which I will call foo here) compiled for x64 (my current arch). When I try to run it, it goes: ./foo: error while loading shared libraries: libgmp.so.3: cannot open shared object ...
2
votes
3answers
845 views

Why does linux not allow multiple versions in the central repository?

It seems to me that a lot of the problems using Linux is because of mismatched dependencies. Specifically that you can't install two versions of a library. So if program A requires "lib1.2" and ...
1
vote
1answer
343 views

Problem with PHP, libncursesw and Arch

After doing a system upgrade, whenever trying to use php it complains: php: error while loading shared libraries: libncursesw.so.5: cannot open shared object file: No such file or directory Sure, it'...
1
vote
1answer
272 views

Chromium deps install problem on libgl1-mesa-glx:i386

everyone I'm trying to build chromium on Ubuntu 14.04.3 in my Virtualbox and get stuck at installing deps running install-build-deps.sh. The problem lies in package libgl1-mesa-glx:i386. Here's the ...
3
votes
0answers
99 views

Restore internet connectivity and graphic desktop manager wiped out during a package installation

Abridged Antecedents I run Ubuntu 12.04 LTS on a x68_64 computer. A few days ago I run sudo apt-get -f install for a general overhaul of broken dependencies. I did so in order to remove the conflicts ...
3
votes
1answer
668 views

Trouble linking to gtk/gtk.h even though it's installed

I am trying to build CEF (chromiumembedded) on debian jessie ########## Linking CXX static library libcef_dll_wrapper.a [ 81%] Built target libcef_dll_wrapper [ 81%] Building CXX object cefclient/...
1
vote
1answer
103 views

Something like which for libraries

I am trying to use two opencv versions on my computer and I am trying to tell my system to use the most recent one that I compiled and installed locally. I included the install folder in ...
1
vote
1answer
229 views

Tell Python to use alternative library

I am trying to use an alternative version of opencv (3.0) in my Python scripts. I compiled and installed this version to my home directory, and now I am trying to tell Python to use it. I have the ...
1
vote
1answer
1k views

How to install libboost-all-dev v1.40 Debian wheezy

I'm new here. I need to install libboost-all-dev package that contains this stuff: libboost1.40-dev libboost-system1.40-dev libboost-filesystem1.40-dev libboost-date-time1.40-dev libboost-regex1.40-...
3
votes
1answer
626 views

Determine devtype and subsystem for laptop power supplies

I'm writing a small C program on an Ubuntu machine using libudev to monitor for changes to the power supply. At this stage, I just want to successfully detect when the AC adapter is active vs. when ...
1
vote
2answers
429 views

Portable binaries and the libexec path

I want to build portable binaries for apache mesos. One of the problems is that it uses some binaries located in the libexec folder during execution. When compiling, I set --prefix to /tmp/test. The ...
4
votes
1answer
900 views

LD_LIBRARY_PATH environment variable

I am trying to test the LD_LIBRARY_PATH environment variable. I have a program test.c as follows: int main() { func("hello world"); } I have two files func1.c and func2.c: // func1.c #include &...
3
votes
1answer
2k views

ldd shows library exists and is linked, program doesn't find it

Console Output: bitnami@linux:~$ sudo svnmucc propset svn:needs-lock 1 file:///opt/bitnami/repositories/Standard/Ipc/trunk -m "test set" svnmucc: error while loading shared libraries: libsvn_client-1....
2
votes
1answer
668 views

Install userspace programs on server without root access

I would like to install some programs on my work development server because it is missing some programs I need for my day to day job. I don't have root access. What I did up to now is compiling the ...
1
vote
1answer
1k views

Debian libtiff4

I am trying to install a printer driver package (Canon Pixma MX437 cnijfilter-mx430series-3.70-1-deb) on my system running Debian 8.1 3.16.0-4-amd64 Jessie xfce. I get a dependency error that ...
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0answers
976 views

Using curl results in error: “Library not loaded: /usr/local/lib/libcurl.4.dylib …”

I had a few issues with the cURL library interfering with Homebrew. After hopefully removing the library (I no longer use it anyway), I started receiving errors whenever I used commands such as curl ...