Commands tagged dpkg sorted by votes

Commands tagged dpkg (55)

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(Debian/Ubuntu) Discover what package a file belongs to

'dpkg -S' just matches the string you supply it, so just using 'ls' as an argument matches any file from any package that has 'ls' anywhere in the filename. So usually it's a good idea to use an absolute path. You can see in the second example that 12 thousand files that are known to dpkg match the bare string 'ls'. Show Sample Output
This is sample output - yours may be different.
```
user@host:$ dpkg -S /bin/ls
coreutils: /bin/ls
user@host:$ dpkg -S ls | wc -l
12831
```
45

dpkg -S /usr/bin/ls

bwoodacre · 2009-04-18 18:18:23 25
Tell local Debian machine to install packages used by remote Debian machine

(also works on Ubuntu) Copies the 'install,' 'hold,' 'deinstall' and 'purge' states of packages on the remote machine to be matched on the local machine. Note: if packages were installed on the local machine that were never installed on the remote machine, they will not be deinstalled by this operation.
This is sample output - yours may be different.
27

ssh remotehost 'dpkg --get-selections' | dpkg --set-selections && dselect install

Mozai · 2011-05-12 17:26:43 12
"Clone" a list of installed packages from one Debian/Ubuntu Server to another
This is sample output - yours may be different.
13

apt-get install `ssh root@host_you_want_to_clone "dpkg -l | grep ii" | awk '{print $2}'`

BoxingOctopus · 2011-05-10 13:33:51 8
Find running binary executables that were not installed using dpkg

This helped me find a botnet that had made into my system. Of course, this is not a foolproof or guarantied way to find all of them or even most of them. But it helped me find it.
This is sample output - yours may be different.
12

cat /var/lib/dpkg/info/*.list > /tmp/listin ; ls /proc/*/exe |xargs -l readlink | grep -xvFf /tmp/listin; rm /tmp/listin

kamathln · 2009-09-09 18:09:14 22
Find the package a command belongs to on Debian
This is sample output - yours may be different.
12

dpkg -S $( which ls )

rubenmoran · 2011-02-09 10:28:58 13
Generate a list of installed packages on Debian-based systems

This command is useful when you want to install the same packages on another fresh OS install for example. To do that, use: sudo dpkg --set-selections < LIST_FILE Show Sample Output
This is sample output - yours may be different.
```
a2ps                                            install
acl                                             install
acpi                                            install
acpi-support                                    install
acpid                                           install
...
```
11

dpkg --get-selections > LIST_FILE

o6291408 · 2009-03-28 17:45:29 12
List your largest installed packages (on Debian/Ubuntu)

dpigs is in the package debian-goodies (debian/ubuntu)
This is sample output - yours may be different.
11

dpigs

xrm0 · 2009-10-26 20:38:17 18
Remove all unused kernels with apt-get

This should do the same thing and is about 70 chars shorter. Show Sample Output
This is sample output - yours may be different.
```
The following packages will be REMOVED:
  linux-image-2.6.32-3-amd64 linux-image-amd64 
0 packages upgraded, 0 newly installed, 2 to remove and 0 not upgraded.
Need to get 0B of archives. After unpacking 99.6MB will be freed.
Would download/install/remove packages.

# `uname -r` = "2.6.34-dbb-deb"
```
8

aptitude remove $(dpkg -l|egrep '^ii linux-(im|he)'|awk '{print $2}'|grep -v `uname -r`)

dbbolton · 2010-06-10 21:23:00 11
(Debian/Ubuntu) Discover what package a file belongs to

Works similar to dpkg -S, but uses the locatedb and is thus inarguably a lot faster - if the locatedb is current.
This is sample output - yours may be different.
8

dlocate /path/to/file

towo · 2010-11-18 19:07:12 3
purge installed but unused linux headers, image, or modules

will purge: only installed apps: /^ii/!d avoiding current kernel stuff: /'"$(uname -r | sed "s/$.*$-$[^0-9]\+$/\1/")"'/d using app names: s/^[^ ]* [^ ]* $[^ ]*$.*/\1/ avoiding stuff without a version number: /[0-9]/!d
This is sample output - yours may be different.
7

dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/$.*$-$[^0-9]\+$/\1/")"'/d;s/^[^ ]* [^ ]* $[^ ]*$.*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge

plasticdoc · 2009-06-19 10:11:00 9
Remove all unused kernels with apt-get

Note the double space: "...^ii␣␣linux-image-2..." Like 5813, but fixes two bugs: [1]This leaves the meta-packages 'linux-headers-generic' and 'linux-image-generic' alone so that automatic upgrades work correctly in the future. [2]Kernels newer than the currently running one are left alone (this can happen if you didn't reboot after installing a new kernel). I'm bummed that this took 228 characters. I'd like to see a simpler version. Show Sample Output
This is sample output - yours may be different.
```
The following packages will be REMOVED:  
  linux-headers-2.6.32-24 linux-headers-2.6.32-24-generic linux-headers-2.6.32-25 linux-headers-2.6.32-25-generic linux-headers-2.6.35-22 
  linux-headers-2.6.35-22-generic linux-image-2.6.32-24-generic linux-image-2.6.32-25-generic linux-image-2.6.35-22-generic 
0 packages upgraded, 0 newly installed, 9 to remove and 0 not upgraded.
Need to get 0B of archives. After unpacking 566MB will be freed.
```
7

aptitude remove $(dpkg -l|awk '/^ii linux-image-2/{print $2}'|sed 's/linux-image-//'|awk -v v=`uname -r` 'v>$0'|sed 's/-generic//'|awk '{printf("linux-headers-%s\nlinux-headers-%s-generic\nlinux-image-%s-generic\n",$0,$0,$0)}')

__ · 2010-12-11 11:38:15 8
Find out which debian package a command (executable) belongs to on debian-based distros

This revision to my command (command #8851) was called for when it failed to find the parent package of 'rlogin', which is really a deep symbolic link to /usr/bin/ssh. This revision fixes this newfound issue, while ensuring fixes of other older issues work too. Show Sample Output
This is sample output - yours may be different.
```
$ function whichpkg(){ readlink -f "$(which $1)" | xargs --no-run-if-empty dpkg -S; }

$whichpkg rlogin
openssh-client: /usr/bin/ssh
```
7

function whichpkg() { readlink -f "$(which $1)" | xargs --no-run-if-empty dpkg -S; }

b_t · 2011-10-28 02:53:19 5
Find the package that installed a command
This is sample output - yours may be different.
7

whatinstalled() { which "$@" | xargs -r readlink -f | xargs -r dpkg -S ;}

pdxdoughnut · 2016-11-08 20:59:25 26
Show Apt/Dpkg configuration

Shows all configurations to apt and dpkg, rarely changed, you probably still have the default configuration. Go ahead and explore your configuration if you dare, perhaps change your apt-cache directory, Dir::Cache "var/cache/apt/"; or the names of the log files. Show Sample Output
This is sample output - yours may be different.
```
APT "";
APT::Architecture "amd64";
APT::Build-Essential "";
APT::Build-Essential:: "build-essential";
APT::Install-Recommends "true";
APT::Install-Suggests "0";
APT::NeverAutoRemove "";
APT::NeverAutoRemove:: "^firmware-linux.*";
```
6

apt-config dump

LinuxMan · 2011-12-13 19:11:02 8
List only executables installed by a debian package

Safe for whitespaces in names.
This is sample output - yours may be different.
5

dpkg -L iptables | perl -lne 'print if -f && -x'

depesz · 2010-10-30 15:47:51 8
Find the package a command belongs to on debian-based distros
This is sample output - yours may be different.
5

apt-file search iostat

tersmitten · 2011-07-24 11:56:31 8
show installed but unused linux headers, image, or modules

will show: installed linux headers, image, or modules: /^ii/!d avoiding current kernel: /'"$(uname -r | sed "s/$.*$-$[^0-9]\+$/\1/")"'/d only application names: s/^[^ ]* [^ ]* $[^ ]*$.*/\1/ avoiding stuff without a version number: /[0-9]/!d Show Sample Output
This is sample output - yours may be different.
```
linux-headers-2.6.28-11
linux-headers-2.6.28-11-generic
linux-image-2.6.28-11-generic
linux-restricted-modules-2.6.28-11-generic
```
4

dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/$.*$-$[^0-9]\+$/\1/")"'/d;s/^[^ ]* [^ ]* $[^ ]*$.*/\1/;/[0-9]/!d'

plasticdoc · 2009-06-19 10:23:38 8
Remove all unused kernels with apt-get

This will remove all installed kernels on your debian based install, except the one you're currently using. From: http://tuxtweaks.com/2009/12/remove-old-kernels-in-ubuntu/comment-page-1/#comment-1590
This is sample output - yours may be different.
4

dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/$.*$-$[^0-9]\+$/\1/")"'/d;s/^[^ ]* [^ ]* $[^ ]*$.*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge

mitzip · 2010-06-10 20:33:32 8
List only executables installed by a debian package

Maybe not clean with big package and too long argument. But return every file who can be executed.
This is sample output - yours may be different.
3

find $(dpkg -L iptables) -maxdepth 0 -executable -type f

Juluan · 2010-10-30 15:36:32 11
Remove all unused kernels with apt-get

Remove old kernels (*-generic and *-generic-pae) via apt-get on debian/ubuntu based systems. Tested on ubuntu 10.04 - 12.04.
This is sample output - yours may be different.
3

sudo apt-get remove $(dpkg -l|awk '/^ii linux-image-/{print $2}'|sed 's/linux-image-//'|awk -v v=`uname -r` 'v>$0'|sed 's/-generic*//'|awk '{printf("linux-headers-%s\nlinux-headers-%s-generic*\nlinux-image-%s-generic*\n",$0,$0,$0)}')

mtron · 2012-08-15 10:02:12 8
List your largest installed packages (on Debian/Ubuntu)
This is sample output - yours may be different.
3

dpkg-query -W --showformat='${Installed-Size}\t${Package}\n' | sort -nr | less

dfear · 2014-01-06 01:11:36 11
A command's package details

In Debian based distros, this command will list 'binutils' package details which contains 'nm' command. You can replace 'nm' to any other command.
This is sample output - yours may be different.
2

dpkg -S `which nm` | cut -d':' -f1 | (read PACKAGE; echo "[${PACKAGE}]"; dpkg -s "${PACKAGE}"; dpkg -L "${PACKAGE}") | less

mohan43u · 2009-07-14 20:21:48 6
Purge configuration files of removed packages on debian based systems
This is sample output - yours may be different.
2

dpkg -l | grep ^rc | awk '{print $2}' | xargs dpkg -P

unixmonkey14485 · 2010-11-25 19:44:45 6
List your largest installed packages (on Debian/Ubuntu)
This is sample output - yours may be different.
2

awk '{if ($1 ~ /Package/) p = $2; if ($1 ~ /Installed/) printf("%9d %s\n", $2, p)}' /var/lib/dpkg/status | sort -n | tail

gb38 · 2010-12-14 14:59:42 5

get the full description of a randomly selected package from the list of installed packages on a debian system

I put this command on my ~/.bashrc in order to learn something new about installed packages on my Debian/Ubuntu system each time I open a new terminal Show Sample Output

dpkg-query --status $(dpkg --get-selections | awk '{print NR,$1}' | grep -oP "^$( echo $[ ( ${RANDOM} % $(dpkg --get-selections| wc -l) + 1 ) ] ) \K.*")

acavagni · 2019-06-01 13:24:07 112

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Have subversion ignore a file pattern in a directory

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Dump audio from video without re-encoding.

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Cryptographically secure 32-bit RNG in strict ZSH

ZSH ships a couple random number generators via the $RANDOM environment variable and rand48() via zsh/mathfunc, but neither are cryptographically secure. This code produces a 32-bit random number suitable for cryptography. It's only dependency is /dev/urandom and it does not rely on any shell commands or 3rd party utilities. It assumes ZSH was compiled with 64-bit integer support.

Display / view the contents of the manifest within a Java jar file

Displays the manifest within a jar file. Can use it to confirm version number, etc.

Unzip 25 zip files files at once

Find all active ip's in a subnet

nmap for windows and other platforms is available on developer's site: http://nmap.org/download.html nmap is robust tool with many options and has various output modes - is the best (imho) tool out there.. from nmap 5.21 man page: -oN/-oX/-oS/-oG : Output scan in normal, XML, s|

Filter the output of a file continously using tail and grep

Install pip with Proxy

Installs pip packages defining a proxy

Convert seconds to [DD:][HH:]MM:SS

Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Print all lines between two line numbers

This command uses awk(1) to print all lines between two known line numbers in a file. Useful for seeing output in a log file, where the line numbers are known. The above command will print all lines between, and including, lines 3 and 6.

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Commands tagged dpkg (55)

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