Linux "ldconfig" Command Line Options and Examples

configure dynamic linker run-time bindings

ldconfig creates the necessary links and cache to the most recent shared libraries found in the directories specified on the command line, in the file /etc/ld.so.

Usage:

/sbin/ldconfig [-nNvXV] [-f conf] [-C cache] [-r root] directory... /sbin/ldconfig -l [-v] library... /sbin/ldconfig -p

Related Commands

ldd
ld.so

Command Line Options:

-c

(Since glibc 2.2) Cache format to use: old, new, or compat (default).


                            ldconfig -c ...

-C

Use cache instead of /etc/ld.so.cache.


                            ldconfig -C ...

-f

Use conf instead of /etc/ld.so.conf.


                            ldconfig -f ...

-i

(Since glibc 2.7) Ignore auxiliary cache file.


                            ldconfig -i ...

-l

(Since glibc 2.2) Library mode. Manually link individual libraries. Intended for use by experts only


                            ldconfig -l ...

-N

Don't rebuild the cache. Unless -X is also specified, links are still updated.


                            ldconfig -N ...

-p

Print the lists of directories and candidate libraries stored in the current cache.


                            ldconfig -p ...

-r

Change to and use root as the root directory.


                            ldconfig -r ...

-v

Verbose mode. Print current version number, the name of each directory as it is scanned, and any links that are created.Overrides quiet mode.


                            ldconfig -v ...

-V

Print program version.


                            ldconfig -V ...

-X

FILES/lib/ld.soRun-time linker/loader./etc/ld.so.confFile containing a list of directories, one per line, in which to search for libraries./etc/ld.so.cacheFile containing an ordered list of libraries found in the directories specified in /etc/ld.so.conf, as well as those found inthe trusted directories.


                            ldconfig -X ...