shared-library

What does "6" mean in glibc.so.6? When exploring the C++ binary, I find that libstdc++.so.6 is dyn-linked into libm.so.6 and libc.so.6: $ ldd /lib/x86_64-linux-gnu/libstdc++.so.6 linux-vdso.so.1 (0x00007ffcb737b000) libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fd3b2295000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fd3b1c00000) /lib64/ld-linux-x86-64.so.2 (0x00007fd3b2396000) libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007fd3b2275000) My questions are: What does 6 mean in the name? I originally thought it was …

Making changes to the shared library Suppose we have a C program that uses the shared library. If you make changes to a shared library and rebuild it, all programs using that library will automatically receive those changes the next time they run. In the case of a static library, the changes become visible only …

Substitute a new man page for an older one I’ve just built (from source) a current version (ver 2.1) of libgpiod on my RPi 4B. There are six (6) "command-line tools" included in the source tarball for libgpiod. During the make install process, these tools – and their new man pages – were installed in …

Unable to start gnome applications because of shared library libappstream Whenever I am trying to start a gnome applications (like calculator, Files, event gnome-control-center), I get the following error: gnome-control-center: error while loading shared libraries: libappstream.so.4: cannot open shared object file: No such file or directory After further research, It appeared that I don’t have …

Distinguish direct and indirect dependencies of a binary on Linux? ldd on Linux will give the list of all shared libraries on which a given binary depends. This is usually much more extensive than the libraries that were listed on the linker command line used to create the binary: it will include most if not …

Missing libmpdec2 for deadsnakes libpython3.9-stdlib in 22.04 LTS (jammy) From deadsnakes at http://ppa.launchpad.net/deadsnakes/ppa/ubuntu the libpython3.9-stdlib depends on libmpdec2, but that is not available on 22.04 LTS (jammy) as far as I can tell, see https://packages.ubuntu.com/search?keywords=libmpdec2. The page displays that libmpdec2 is available for 18.04 LTS and 20.04 LTS. What is to do in this case? …

Are library symlinks used to load libraries? I had someone tell me this, "I do know the symlinks are not used on linux when loading a library." However, this does not seem correct to me. Too often I have had to fix broken symlinks when I have been messing around in Linux. I can find …

How to install libprotobuf.so.7 on ubuntu 20.04 machine? I see this message while running a program. error while loading shared libraries: libprotobuf.so.7: cannot open shared object file: How can I install libprotobuf.so.7? I’m on ubuntu 20.04. I tried apt-file libprotobuf.so.7 but it gives me nothing. I tried sudo apt install libprotobuf7 or for libprotobuf-c and …

error while loading shared libraries: libmkl_intel_lp64.so I executed a program and I got an error message as follows: error while loading shared libraries: libmkl_intel_lp64.so: cannot open shared object file: No such file or directory So, it seems that this program requires mkl library. I followed the instructions indicated here: https://www.intel.com/content/www/us/en/developer/tools/oneapi/onemkl-download.html?operatingsystem=linux&distributions=online Meaning that I executed: wget …

How to install ttyd from source on Fedora? I’m trying to compile ttyd that requires libwebsockets on Fedora. My system has an outdated version of ttyd and I need a newer one to run vhs tool. Both projects use CMake, I was able to compile and install both. When I run ttyd from the build …

Shared library error when using rsync I’m trying to transfer a folder from a backup location to my $HOME folder but I keep getting the error: rsync: error while loading shared libraries: libcrypto.so.3: cannot open shared object file: No such file or directory I’ve tried adding export LD_LIBRARY_PATH:/usr/lib/:/usr/lib64/ to my .bashrc, echo "/usr/lib64" | sudo …

VBoxClient: error while loading shared libraries: libXt.so.6: Through VirtualBox for many Virtual Machines for Ubuntu Server – for each one an upgrade was done from 20.04 to 22.04. The apt update and apt upgrade commands work fine. But just few days ago I did realize that if I execute the following command to all the …

Debian shared library setup I have a Debian package for a shared library. Lets assume the lib is called threadx. And I have the version 0.0.1 installed. So this package contains: /lib/i386-linux-gnu/libthreadx.so.0.0.1 /lib/i386-linux-gnu/libthreadx.so.0 # symlink to libthreadx.so.0.0.1 If I want to upgrade now to 0.0.2 the package will contain: /lib/i386-linux-gnu/libthreadx.so.0.0.2 /lib/i386-linux-gnu/libthreadx.so.0 # symlink to libthreadx.so.0.0.2 …

Find shared libraries that ldd won't list? I have a script that would run through and pull in needed shared libraries (and another that will report unused libraries), using ldd however certain things like the libnss_* items part of the glibc don’t show up. How can I find those type of dependencies? Thanks Asked By: …

apt-get install does not find local library After I tried to install gstreamer1.0-rockchip1 and get: The following packages have unmet dependencies: gstreamer1.0-rockchip1 : Depends: librockchip-mpp1 but it is not installable E: Unable to correct problems, you have held broken packages. I cloned, compiled and and installed the repository mpp with make and sudo make install. …

Executable vs Library in Bash Script When reading over Google’s shell style guide, I found the following line that confused me a little: "Executables should have no extension (strongly preferred) or a .sh extension. Libraries must have a .sh extension and should not be executable."link At least when it comes to bash scripts, what exactly …

Figuring out location of a loaded shared library I’m maintaining a C-program, that uses Oracle client libraries. The libraries expect the ORACLE_HOME environment variable to be set, and fail to work without it — in many cases. In our situation, the value of the variable is always derived from the location of the shared libraries …

apt packages – static vs dynamic libraries I use Ubuntu 18.04. I install libraries using apt, for example: sudo apt install freeglut3-dev Does apt always install dynamic libraries or I can determine if a package contains static or dynamic library ? Asked By: Irbis || Source By convention: libfoo1 will contain a dynamic library, while …

How do I "install" a shared libray I am developing a C++ application that uses external libraries, using gcc. For instance libtiff and libpng. I obtained these by apt-get and everything is working fine. But then I added another third party library delivered as a stand-alone pair of .a and .so lib files. I detected …

Unable to load shared library 'libdl.so' or one of its dependencies I’m trying to compile a project and the compilation fails due to a missing library. System.DllNotFoundException: Unable to load shared library ‘libdl.so’ or one of its dependencies. In order to help diagnose loading problems, consider setting the LD_DEBUG environment variable: liblibdl.so: cannot open shared …