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debian tabanlı dağıtımlarda sistemde kurulu paketlerle ilgili sorgulama işlemleri dpkg üzerinden yapılabilmektedir.

Sistemde kurulu tüm paketleri listelemek için -l paramtresi kullanılabilir:

# dpkg -l

Çıktı şuna benzer olacaktır:

ii  0trace                                0.01-3                             amd64        A traceroute tool that can run within an existing TCP connection.
ii  acccheck                              0.2.1-1kali3                       amd64        Password dictionary attack tool for SMB
ii  accountsservice                       0.6.21-8                           amd64        query and manipulate user account information

Kurulu bir paketle ilgili detaylı bilgi almak için ise -s paramtresi kullanılabilmektedir:

# dpkg -s hping3
Package: hping3
Status: install ok installed
Priority: extra
Section: net
Installed-Size: 249
Maintainer: Guillaume Delacour <[email protected]>
Architecture: amd64
Version: 3.a2.ds2-6kali3
Depends: libc6 (>= 2.7), libpcap0.8 (>= 0.9.8), tcl8.4 (>= 8.4.16)
Description: Active Network Smashing Tool
 hping3 is a network tool able to send custom ICMP/UDP/TCP packets and
 to display target replies like ping does with ICMP replies. It handles
 fragmentation and arbitrary packet body and size, and can be used to
 transfer files under supported protocols. Using hping3, you can test
 firewall rules, perform (spoofed) port scanning, test network
 performance using different protocols, do path MTU discovery, perform
 traceroute-like actions under different protocols, fingerprint remote
 operating systems, audit TCP/IP stacks, etc.  hping3 is scriptable
 using the Tcl language.
Homepage: http://www.hping.org/

İlgili pakete ait sistem dosyalarını listelemek için ise -L parametresi kullanılabilmektedir:

# dpkg -L hping3
/.
/usr
/usr/sbin
/usr/sbin/hping3
/usr/share
/usr/share/doc
/usr/share/doc/hping3
/usr/share/doc/hping3/SPOOFED_SCAN.txt.gz
/usr/share/doc/hping3/changelog.gz
/usr/share/doc/hping3/BUGS
/usr/share/doc/hping3/MORE-FUN-WITH-IPID
/usr/share/doc/hping3/API.txt.gz
/usr/share/doc/hping3/README
...

Bir .deb paketinin içeriğini görüntülemek için ise -c parametresi kullanılmaktadır.

# dpkg -c rsync_3.1.0-3_amd64.deb
drwxr-xr-x root/root         0 2014-04-16 10:38 ./
drwxr-xr-x root/root         0 2014-04-16 10:38 ./lib/
drwxr-xr-x root/root         0 2014-04-16 10:38 ./lib/systemd/
drwxr-xr-x root/root         0 2014-04-16 10:38 ./lib/systemd/system/
-rw-r--r-- root/root       188 2013-09-30 10:54 ./lib/systemd/system/rsync.service
drwxr-xr-x root/root         0 2014-04-16 10:38 ./usr/
drwxr-xr-x root/root         0 2014-04-16 10:38 ./usr/bin/
-rwxr-xr-x root/root    390704 2014-04-16 10:38 ./usr/bin/rsync
drwxr-xr-x root/root         0 2014-04-16 10:38 ./usr/share/
drwxr-xr-x root/root         0 2014-04-16 10:38 ./usr/share/man/
drwxr-xr-x root/root         0 2014-04-16 10:38 ./usr/share/man/man5/
-rw-r--r-- root/root     15833 2014-04-16 10:38 ./usr/share/man/man5/rsyncd.conf.5.gz
drwxr-xr-x root/root         0 2014-04-16 10:38 ./usr/share/man/man1/
-rw-r--r-- root/root     56207 2014-04-16 10:38 ./usr/share/man/man1/rsync.1.gz
drwxr-xr-x root/root         0 2014-04-16 10:38 ./usr/share/doc/
...

dpkg ile ilgili daha fazla bilgi için ayrıca dpkg'nin sayfasına gözatmanızı tavsiye ederim.