Usage: ldconfig [OPTION...] Configure Dynamic Linker Run Time Bindings. -c, --format=FORMAT Format to use: new (default), old, or compat -C CACHE Use CACHE as cache file -f CONF Use CONF as configuration file for libraries -i, --ignore-aux-cache Ignore auxiliary cache file -I, --install Install pre-existing cache file -l Manually link individual libraries. -n Only process directories specified on the command line. Don't build cache. -N Don't build cache -p, --print-cache Print cache -r ROOT Change to and use ROOT as root directory -t TUNCONF Use TUNCONF as configuration file for tunables -v, --verbose Generate verbose messages -X Don't update symbolic links -?, --help Give this help list --usage Give a short usage message -V, --version Print program version Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options. For bug reporting instructions, please see: .