How to extract the RPM package

We can extract the content of RPM package first into cpio archive using utility rpm2cpio on standard output. if a – argument is given using cpio command, an rpm stream is read from standard in. The syntax is as follows.

SYNTAX:

$ rpm2cpio <RPM package> | cpio –idvm

Example:  

[root@syncsrv01 jitendrakumar]# ls -ltr

total 292

-rw-------. 1 jitendrakumar domain admins   1675 Aug 23  2013 ssh_key

-rwxr-xr-x. 1 root          root             879 Nov 26 15:46 root_expir_alert

-rw-r--r--. 1 root          root          290624 Apr 29 15:48 ntfs-3g-2011.4.12- 5.el6.i686.rpm   

                                                                      

[root@syncsrv01 jitendrakumar]# rpm2cpio ntfs-3g-2011.4.12-5.el6.i686.rpm | cpio   -idvm                                                                           

./bin/lowntfs-3g

./bin/ntfs-3g

./bin/ntfs-3g.probe

./bin/ntfs-3g.secaudit

./bin/ntfs-3g.usermap

./bin/ntfsmount

./lib/libntfs-3g.so.81

./lib/libntfs-3g.so.81.0.0

./sbin/mount.lowntfs-3g

./sbin/mount.ntfs

./sbin/mount.ntfs-3g

./sbin/mount.ntfs-fuse

./usr/bin/ntfs-3g

./usr/bin/ntfsmount

./usr/share/doc/ntfs-3g-2011.4.12

./usr/share/doc/ntfs-3g-2011.4.12/AUTHORS

./usr/share/doc/ntfs-3g-2011.4.12/COPYING

./usr/share/doc/ntfs-3g-2011.4.12/CREDITS

./usr/share/doc/ntfs-3g-2011.4.12/ChangeLog

./usr/share/doc/ntfs-3g-2011.4.12/NEWS

./usr/share/doc/ntfs-3g-2011.4.12/README

./usr/share/hal/fdi/policy/10osvendor/20-ntfs-config-write-policy.fdi

./usr/share/man/man8/mount.lowntfs-3g.8.gz

./usr/share/man/man8/mount.ntfs-3g.8.gz

./usr/share/man/man8/ntfs-3g.8.gz

./usr/share/man/man8/ntfs-3g.probe.8.gz

./usr/share/man/man8/ntfs-3g.secaudit.8.gz

./usr/share/man/man8/ntfs-3g.usermap.8.gz

1304 blocks

[root@syncsrv01 jitendrakumar]# ll

total 308

drwxr-xr-x. 2 root          root            4096 Apr 29 15:49 bin

drwxr-xr-x. 2 root          root            4096 Apr 29 15:49 lib

-rw-r--r--. 1 root          root          290624 Apr 29 15:48 ntfs-3g-2011.4.12-5.el6.i686.rpm

-rwxr-xr-x. 1 root          root             879 Nov 26 15:46 root_expir_alert

drwxr-xr-x. 2 root          root            4096 Apr 29 15:49 sbin

-rw-------. 1 jitendrakumar domain admins   1675 Aug 23  2013 ssh_key

drwxr-xr-x. 4 root          root            4096 Apr 29 15:49 usr

The extracted rpm data are

bin lib  sbin user

Note:

In this example, output of rpm2cpio command piped to cpio command with following options:

§  i: Restore archive

§  d: Create leading directories where needed

§  m: Retain previous file modification times when creating files

§  v: Verbose i.e. display progress