What command can be used to view what shared libraries are required by a certain program?
Show Can be used if you can't run the executable, e.g. if it was cross compiled, or if you don't trust it:
Example:
Sample ouptut:
Note that libraries can depend on other libraries, so now you need to find the dependencies. A naive approach that often works is:
but the more precise method is to understand the Choose one, and repeat:
Sample output:
And so on. See also:
Mentioned by Basile, this is useful to find all the libraries currently being used by running executables. E.g.:
shows all currently loaded dynamic dependencies of
This method also shows libraries opened with See also: How to see the currently loaded shared objects in Linux? | Super User
But beware that dynamic libraries can depend on other dynamic libraries, to you have to recurse. Example:
Sample ouptut:
Then:
Choose one, and repeat:
Sample output:
And so on.
This is useful to find all the libraries currently being used by running executables. E.g.:
shows all currently loaded dynamic dependencies of
This method also shows libraries opened with See also: https://superuser.com/questions/310199/see-currently-loaded-shared-objects-in-linux/1243089 How do I find shared libraries in Linux?In this standard, folders /lib, /usr/lib and /usr/local/lib are the default folders to store shared libraries. The /lib folder has libraries used during the boot time of the system but also used by programs in the /bin folder. Similarly, the/usr/lib folder has libraries used by programs in the /usr/bin folder.
How do I view all shared libraries in executables?We know that a shared library is a library that can be linked to any program at runtime. In order to view all the shared libraries used by an executable we make use of the Linux command utility known as ldd. We can easily locate the shared libraries on a Linux machine, as they usually start with lib* prefix.
How do you check if a shared library is loaded in Linux?To find the list of processes and their loaded libraries, use "genld -ld" command. The -l option reports the lists of loaded objects for each process running on the system.
What is ldd command?ldd (List Dynamic Dependencies) is a *nix utility that prints the shared libraries required by each program or shared library specified on the command line. It was developed by Roland McGrath and Ulrich Drepper. If some shared library is missing for any program, that program won't come up.
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