$ curl cheat.sh/

# ldconfig
# Configure symlinks and cache for shared library dependencies.
# More information: <https://manned.org/ldconfig>.

# Update symlinks and rebuild the cache (usually run when a new library is installed):
sudo ldconfig

# Update the symlinks for a given directory:
sudo ldconfig -n path/to/directory

# Print the libraries in the cache and check whether a given library is present:
ldconfig -p | grep library_name

$

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