6.24. Libcap-2.24

The Libcap package implements the user-space interfaces to the POSIX 1003.1e capabilities available in Linux kernels. These capabilities are a partitioning of the all powerful root privilege into a set of distinct privileges.

Approximate build time: 0.1 SBU
Required disk space: 1.7 MB

6.24.1. Installation of Libcap

Compile the package:


This package does not come with a test suite.

Install the package:

make RAISE_SETFCAP=no prefix=/usr install
chmod -v 755 /usr/lib/libcap.so

The shared library needs to be moved to /lib, and as a result the .so file in /usr/lib will need to be recreated:

mv -v /usr/lib/libcap.so.* /lib
ln -sfv ../../lib/$(readlink /usr/lib/libcap.so) /usr/lib/libcap.so

6.24.2. Contents of Libcap

Installed programs: capsh, getcap, getpcaps, and setcap
Installed library: libcap.{a,so}

Short Descriptions


A shell wrapper to explore and constrain capability support


Examines file capabilities


Displays the capabilities on the queried process(es)


Contains the libcap API functions