How to list dependent packages (reverse dependencies)?
up vote
147
down vote
favorite
58
In order to research what caused the installation of a given package, I'd like to get a list of packages which depend on that package. I couldn't find anything obvious in man dpkg.
package-management command-line dependencies
edited Jun 19 '15 at 8:29
Garrett
5303722
asked Apr 30 '12 at 13:06
l0b0
3,89673158
add a comment |
up vote
147
down vote
favorite
58
In order to research what caused the installation of a given package, I'd like to get a list of packages which depend on that package. I couldn't find anything obvious in man dpkg.
package-management command-line dependencies
edited Jun 19 '15 at 8:29
Garrett
5303722
asked Apr 30 '12 at 13:06
l0b0
3,89673158
Related: askubuntu.com/questions/13296/…
– Seth♦
Feb 26 '15 at 3:58
5
The older question's answers all revolve aroundaptitude, something that hasn't been installed by default for years. In 2017, everyone on Ubuntu still hasapt-cache. Anyone who follows the linked question is going to get lost in a discussion about a program few will have.
– Lambart
Aug 18 '17 at 17:48
add a comment |
up vote
147
down vote
favorite
58
up vote
147
down vote
favorite
58
58
In order to research what caused the installation of a given package, I'd like to get a list of packages which depend on that package. I couldn't find anything obvious in man dpkg.
package-management command-line dependencies
edited Jun 19 '15 at 8:29
Garrett
5303722
asked Apr 30 '12 at 13:06
l0b0
3,89673158
In order to research what caused the installation of a given package, I'd like to get a list of packages which depend on that package. I couldn't find anything obvious in man dpkg.
package-management command-line dependencies
package-management command-line dependencies
edited Jun 19 '15 at 8:29
Garrett
5303722
asked Apr 30 '12 at 13:06
l0b0
3,89673158
edited Jun 19 '15 at 8:29
Garrett
5303722
asked Apr 30 '12 at 13:06
l0b0
3,89673158
edited Jun 19 '15 at 8:29
Garrett
5303722
edited Jun 19 '15 at 8:29
Garrett
5303722
edited Jun 19 '15 at 8:29
Garrett
5303722
5303722
asked Apr 30 '12 at 13:06
l0b0
3,89673158
asked Apr 30 '12 at 13:06
l0b0
3,89673158
asked Apr 30 '12 at 13:06
l0b0
3,89673158
3,89673158
Related: askubuntu.com/questions/13296/…
– Seth♦
Feb 26 '15 at 3:58
5
The older question's answers all revolve aroundaptitude, something that hasn't been installed by default for years. In 2017, everyone on Ubuntu still hasapt-cache. Anyone who follows the linked question is going to get lost in a discussion about a program few will have.
– Lambart
Aug 18 '17 at 17:48
add a comment |
Related: askubuntu.com/questions/13296/…
– Seth♦
Feb 26 '15 at 3:58
5
The older question's answers all revolve aroundaptitude, something that hasn't been installed by default for years. In 2017, everyone on Ubuntu still hasapt-cache. Anyone who follows the linked question is going to get lost in a discussion about a program few will have.
– Lambart
Aug 18 '17 at 17:48
Related: askubuntu.com/questions/13296/…
– Seth♦
Feb 26 '15 at 3:58
Related: askubuntu.com/questions/13296/…
– Seth♦
Feb 26 '15 at 3:58
5
5
The older question's answers all revolve around
aptitude, something that hasn't been installed by default for years. In 2017, everyone on Ubuntu still has apt-cache. Anyone who follows the linked question is going to get lost in a discussion about a program few will have.– Lambart
Aug 18 '17 at 17:48
The older question's answers all revolve around
aptitude, something that hasn't been installed by default for years. In 2017, everyone on Ubuntu still has apt-cache. Anyone who follows the linked question is going to get lost in a discussion about a program few will have.– Lambart
Aug 18 '17 at 17:48
add a comment |
6 Answers
6
active
oldest
votes
up vote
190
down vote
accepted
apt-cache rdepends packagename should do what you want
answered Apr 30 '12 at 13:07
RobotHumans
22.7k362103
1
Excellent!apt-cache rdepends tofrodosconfirmed the suspicion that it was installed by another package (the obsoleteddos2unix).
– l0b0
Apr 30 '12 at 13:12
Good deal. I do wish there was a recursive option. Sadly there is not as far as I am aware.
– RobotHumans
Apr 30 '12 at 13:27
1
As for today (apt version 0.9.9.1), there is --recurse option that works with rdepends.
– jarno
Dec 22 '13 at 14:00
26
If you add--installed, the output is even useful for packages which can be used by many others:apt-cache rdepends --installed packagename
– quazgar
May 27 '14 at 22:08
3
For the output, why do some of the packages have a vertical bar (pipe symbol) before them?
– Vahid Pazirandeh
Nov 16 '17 at 5:35
|
show 6 more comments
up vote
53
down vote
aptitude has a fairly nice way of handling this:
$ aptitude why bash
i foomatic-filters PreDepends bash (>= 2.05)
By default, it only lists the "most installed, strongest, tightest, shortest" reason, but you can use aptitude -v why to make it output everything it finds.
edited Apr 3 '17 at 0:23
n.st
733717
answered May 1 '12 at 13:41
tumbleweed
7,1081734
4
Seems like it considers only the installed packages, not everything available. And that was what I needed.
– Tuukka Mustonen
Jul 25 '13 at 10:06
2
For that you wantreverse-dependsinubuntu-dev-tools
– tumbleweed
Jul 25 '13 at 11:38
How about debian?
– Tuukka Mustonen
Jul 25 '13 at 12:08
1
ubuntu-dev-toolsis in Debian
– tumbleweed
Jul 26 '13 at 11:18
This is great. I learned thatopenssh-serverrecommended (and therefore installed)xauthon a headless server, dragging in hundreds of x11 dependencies and dozens of useless updates a month. That's the problem with automated package management!
– BaseZen
Mar 2 at 3:17
add a comment |
up vote
16
down vote
apt-cache showpkg <pkgname>
Example:
apt-cache showpkg lightdm
edited Oct 19 '13 at 1:55
Seth♦
33.7k26110160
answered Apr 30 '12 at 13:11
qorrow
32113
add a comment |
up vote
13
down vote
There is more than one way, with each method showing a different output.
For a detailed view of the full reverse dependency tree;
aptitude install apt-rdepends
apt-rdepends -r bash
Alternatively;
apt-cache showpkg bash
Or a concise list:
apt-cache rdepends bash
edited Apr 27 at 14:25
Zanna
49.3k13126236
answered May 1 '12 at 13:52
papashou
2,260198
What exactly doesrdependsshow in that tree?apt-rdepends php7.0-fpmshowssed.seddoesn't depend on PHP, let alone PHP FPM.
– Dan Dascalescu
Jan 9 at 23:21
It is reverse depends, it means that PHP depends on sed.
– Erik Berkun-Drevnig
Apr 25 at 3:30
Hi guys, actually "apt-rdepends" stands for "recursive dependency". If you want reverse recursive dependency, you have to type :apt-rdepends -r yourPackageNameHere
– SebMa
Apr 27 at 12:56
add a comment |
up vote
3
down vote
In addition to other good answers, doing:
sudo apt -s remove <pkgname>
( -s Does a "simulated" removal. )
The removal command will normally list any dependencies/programs/libraries that will be affected or that can removed (orphaned) along with specified pkg. (If they exist.)
answered Aug 22 '17 at 16:53
bshea
40738
apt remove -s php7.0-fpmshowsThe following additional packages will be installed: apache2 apache2-bin apache2-data libapache2-mod-php7.0 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.1-0. Why would apache get installed if I remove PHP FPM?
– Dan Dascalescu
Jan 9 at 23:22
@DanDascalescu Hmm. Might be a bad install/remove script for apt pkg or might be you have some other dependencies that install apache2 as dep (meaning a webserver is needed - and I believe apache2 is default web server). Could be a few things. Just not sure. Has the smell of a good post on AskUbuntu if you haven't found an answer.
– bshea
Jul 10 at 16:26
add a comment |
up vote
0
down vote
The simplest option is still:
apt rdepends package-name
which does not require you to install any package.
answered Nov 26 at 23:10
Corrado Topi
491
1
What is this adding to the accepted answer?
– l0b0
Nov 26 at 23:58
The accepted answer has nothing to do with this one. The output is completely different and way more useful for human consumption than apt-cache's. The answer mentions that apt-cache is not installed by default everywhere - that alone should be a rather good hint why this answer has its purpose. finally, this is actually the answer I was looking for, so any downvote is rather silly.
– stefanct
Nov 28 at 13:21
add a comment |
6 Answers
6
active
oldest
votes
6 Answers
6
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
190
down vote
accepted
apt-cache rdepends packagename should do what you want
answered Apr 30 '12 at 13:07
RobotHumans
22.7k362103
1
Excellent!apt-cache rdepends tofrodosconfirmed the suspicion that it was installed by another package (the obsoleteddos2unix).
– l0b0
Apr 30 '12 at 13:12
Good deal. I do wish there was a recursive option. Sadly there is not as far as I am aware.
– RobotHumans
Apr 30 '12 at 13:27
1
As for today (apt version 0.9.9.1), there is --recurse option that works with rdepends.
– jarno
Dec 22 '13 at 14:00
26
If you add--installed, the output is even useful for packages which can be used by many others:apt-cache rdepends --installed packagename
– quazgar
May 27 '14 at 22:08
3
For the output, why do some of the packages have a vertical bar (pipe symbol) before them?
– Vahid Pazirandeh
Nov 16 '17 at 5:35
|
show 6 more comments
up vote
190
down vote
accepted
apt-cache rdepends packagename should do what you want
answered Apr 30 '12 at 13:07
RobotHumans
22.7k362103
1
Excellent!apt-cache rdepends tofrodosconfirmed the suspicion that it was installed by another package (the obsoleteddos2unix).
– l0b0
Apr 30 '12 at 13:12
Good deal. I do wish there was a recursive option. Sadly there is not as far as I am aware.
– RobotHumans
Apr 30 '12 at 13:27
1
As for today (apt version 0.9.9.1), there is --recurse option that works with rdepends.
– jarno
Dec 22 '13 at 14:00
26
If you add--installed, the output is even useful for packages which can be used by many others:apt-cache rdepends --installed packagename
– quazgar
May 27 '14 at 22:08
3
For the output, why do some of the packages have a vertical bar (pipe symbol) before them?
– Vahid Pazirandeh
Nov 16 '17 at 5:35
|
show 6 more comments
up vote
190
down vote
accepted
up vote
190
down vote
accepted
apt-cache rdepends packagename should do what you want
answered Apr 30 '12 at 13:07
RobotHumans
22.7k362103
apt-cache rdepends packagename should do what you want
answered Apr 30 '12 at 13:07
RobotHumans
22.7k362103
answered Apr 30 '12 at 13:07
RobotHumans
22.7k362103
answered Apr 30 '12 at 13:07
RobotHumans
22.7k362103
answered Apr 30 '12 at 13:07
RobotHumans
22.7k362103
22.7k362103
1
Excellent!apt-cache rdepends tofrodosconfirmed the suspicion that it was installed by another package (the obsoleteddos2unix).
– l0b0
Apr 30 '12 at 13:12
Good deal. I do wish there was a recursive option. Sadly there is not as far as I am aware.
– RobotHumans
Apr 30 '12 at 13:27
1
As for today (apt version 0.9.9.1), there is --recurse option that works with rdepends.
– jarno
Dec 22 '13 at 14:00
26
If you add--installed, the output is even useful for packages which can be used by many others:apt-cache rdepends --installed packagename
– quazgar
May 27 '14 at 22:08
3
For the output, why do some of the packages have a vertical bar (pipe symbol) before them?
– Vahid Pazirandeh
Nov 16 '17 at 5:35
|
show 6 more comments
1
Excellent!apt-cache rdepends tofrodosconfirmed the suspicion that it was installed by another package (the obsoleteddos2unix).
– l0b0
Apr 30 '12 at 13:12
Good deal. I do wish there was a recursive option. Sadly there is not as far as I am aware.
– RobotHumans
Apr 30 '12 at 13:27
1
As for today (apt version 0.9.9.1), there is --recurse option that works with rdepends.
– jarno
Dec 22 '13 at 14:00
26
If you add--installed, the output is even useful for packages which can be used by many others:apt-cache rdepends --installed packagename
– quazgar
May 27 '14 at 22:08
3
For the output, why do some of the packages have a vertical bar (pipe symbol) before them?
– Vahid Pazirandeh
Nov 16 '17 at 5:35
1
1
Excellent!
apt-cache rdepends tofrodos confirmed the suspicion that it was installed by another package (the obsoleted dos2unix).– l0b0
Apr 30 '12 at 13:12
Excellent!
apt-cache rdepends tofrodos confirmed the suspicion that it was installed by another package (the obsoleted dos2unix).– l0b0
Apr 30 '12 at 13:12
Good deal. I do wish there was a recursive option. Sadly there is not as far as I am aware.
– RobotHumans
Apr 30 '12 at 13:27
Good deal. I do wish there was a recursive option. Sadly there is not as far as I am aware.
– RobotHumans
Apr 30 '12 at 13:27
1
1
As for today (apt version 0.9.9.1), there is --recurse option that works with rdepends.
– jarno
Dec 22 '13 at 14:00
As for today (apt version 0.9.9.1), there is --recurse option that works with rdepends.
– jarno
Dec 22 '13 at 14:00
26
26
If you add
--installed, the output is even useful for packages which can be used by many others: apt-cache rdepends --installed packagename– quazgar
May 27 '14 at 22:08
If you add
--installed, the output is even useful for packages which can be used by many others: apt-cache rdepends --installed packagename– quazgar
May 27 '14 at 22:08
3
3
For the output, why do some of the packages have a vertical bar (pipe symbol) before them?
– Vahid Pazirandeh
Nov 16 '17 at 5:35
For the output, why do some of the packages have a vertical bar (pipe symbol) before them?
– Vahid Pazirandeh
Nov 16 '17 at 5:35
|
show 6 more comments
up vote
53
down vote
aptitude has a fairly nice way of handling this:
$ aptitude why bash
i foomatic-filters PreDepends bash (>= 2.05)
By default, it only lists the "most installed, strongest, tightest, shortest" reason, but you can use aptitude -v why to make it output everything it finds.
edited Apr 3 '17 at 0:23
n.st
733717
answered May 1 '12 at 13:41
tumbleweed
7,1081734
4
Seems like it considers only the installed packages, not everything available. And that was what I needed.
– Tuukka Mustonen
Jul 25 '13 at 10:06
2
For that you wantreverse-dependsinubuntu-dev-tools
– tumbleweed
Jul 25 '13 at 11:38
How about debian?
– Tuukka Mustonen
Jul 25 '13 at 12:08
1
ubuntu-dev-toolsis in Debian
– tumbleweed
Jul 26 '13 at 11:18
This is great. I learned thatopenssh-serverrecommended (and therefore installed)xauthon a headless server, dragging in hundreds of x11 dependencies and dozens of useless updates a month. That's the problem with automated package management!
– BaseZen
Mar 2 at 3:17
add a comment |
up vote
53
down vote
aptitude has a fairly nice way of handling this:
$ aptitude why bash
i foomatic-filters PreDepends bash (>= 2.05)
By default, it only lists the "most installed, strongest, tightest, shortest" reason, but you can use aptitude -v why to make it output everything it finds.
edited Apr 3 '17 at 0:23
n.st
733717
answered May 1 '12 at 13:41
tumbleweed
7,1081734
4
Seems like it considers only the installed packages, not everything available. And that was what I needed.
– Tuukka Mustonen
Jul 25 '13 at 10:06
2
For that you wantreverse-dependsinubuntu-dev-tools
– tumbleweed
Jul 25 '13 at 11:38
How about debian?
– Tuukka Mustonen
Jul 25 '13 at 12:08
1
ubuntu-dev-toolsis in Debian
– tumbleweed
Jul 26 '13 at 11:18
This is great. I learned thatopenssh-serverrecommended (and therefore installed)xauthon a headless server, dragging in hundreds of x11 dependencies and dozens of useless updates a month. That's the problem with automated package management!
– BaseZen
Mar 2 at 3:17
add a comment |
up vote
53
down vote
up vote
53
down vote
aptitude has a fairly nice way of handling this:
$ aptitude why bash
i foomatic-filters PreDepends bash (>= 2.05)
By default, it only lists the "most installed, strongest, tightest, shortest" reason, but you can use aptitude -v why to make it output everything it finds.
edited Apr 3 '17 at 0:23
n.st
733717
answered May 1 '12 at 13:41
tumbleweed
7,1081734
aptitude has a fairly nice way of handling this:
$ aptitude why bash
i foomatic-filters PreDepends bash (>= 2.05)
By default, it only lists the "most installed, strongest, tightest, shortest" reason, but you can use aptitude -v why to make it output everything it finds.
edited Apr 3 '17 at 0:23
n.st
733717
answered May 1 '12 at 13:41
tumbleweed
7,1081734
edited Apr 3 '17 at 0:23
n.st
733717
edited Apr 3 '17 at 0:23
n.st
733717
edited Apr 3 '17 at 0:23
n.st
733717
733717
answered May 1 '12 at 13:41
tumbleweed
7,1081734
answered May 1 '12 at 13:41
tumbleweed
7,1081734
answered May 1 '12 at 13:41
tumbleweed
7,1081734
7,1081734
4
Seems like it considers only the installed packages, not everything available. And that was what I needed.
– Tuukka Mustonen
Jul 25 '13 at 10:06
2
For that you wantreverse-dependsinubuntu-dev-tools
– tumbleweed
Jul 25 '13 at 11:38
How about debian?
– Tuukka Mustonen
Jul 25 '13 at 12:08
1
ubuntu-dev-toolsis in Debian
– tumbleweed
Jul 26 '13 at 11:18
This is great. I learned thatopenssh-serverrecommended (and therefore installed)xauthon a headless server, dragging in hundreds of x11 dependencies and dozens of useless updates a month. That's the problem with automated package management!
– BaseZen
Mar 2 at 3:17
add a comment |
4
Seems like it considers only the installed packages, not everything available. And that was what I needed.
– Tuukka Mustonen
Jul 25 '13 at 10:06
2
For that you wantreverse-dependsinubuntu-dev-tools
– tumbleweed
Jul 25 '13 at 11:38
How about debian?
– Tuukka Mustonen
Jul 25 '13 at 12:08
1
ubuntu-dev-toolsis in Debian
– tumbleweed
Jul 26 '13 at 11:18
This is great. I learned thatopenssh-serverrecommended (and therefore installed)xauthon a headless server, dragging in hundreds of x11 dependencies and dozens of useless updates a month. That's the problem with automated package management!
– BaseZen
Mar 2 at 3:17
4
4
Seems like it considers only the installed packages, not everything available. And that was what I needed.
– Tuukka Mustonen
Jul 25 '13 at 10:06
Seems like it considers only the installed packages, not everything available. And that was what I needed.
– Tuukka Mustonen
Jul 25 '13 at 10:06
2
2
For that you want
reverse-depends in ubuntu-dev-tools– tumbleweed
Jul 25 '13 at 11:38
For that you want
reverse-depends in ubuntu-dev-tools– tumbleweed
Jul 25 '13 at 11:38
How about debian?
– Tuukka Mustonen
Jul 25 '13 at 12:08
How about debian?
– Tuukka Mustonen
Jul 25 '13 at 12:08
1
1
ubuntu-dev-tools is in Debian– tumbleweed
Jul 26 '13 at 11:18
ubuntu-dev-tools is in Debian– tumbleweed
Jul 26 '13 at 11:18
This is great. I learned that
openssh-server recommended (and therefore installed) xauth on a headless server, dragging in hundreds of x11 dependencies and dozens of useless updates a month. That's the problem with automated package management!– BaseZen
Mar 2 at 3:17
This is great. I learned that
openssh-server recommended (and therefore installed) xauth on a headless server, dragging in hundreds of x11 dependencies and dozens of useless updates a month. That's the problem with automated package management!– BaseZen
Mar 2 at 3:17
add a comment |
up vote
16
down vote
apt-cache showpkg <pkgname>
Example:
apt-cache showpkg lightdm
edited Oct 19 '13 at 1:55
Seth♦
33.7k26110160
answered Apr 30 '12 at 13:11
qorrow
32113
add a comment |
up vote
16
down vote
apt-cache showpkg <pkgname>
Example:
apt-cache showpkg lightdm
edited Oct 19 '13 at 1:55
Seth♦
33.7k26110160
answered Apr 30 '12 at 13:11
qorrow
32113
add a comment |
up vote
16
down vote
up vote
16
down vote
apt-cache showpkg <pkgname>
Example:
apt-cache showpkg lightdm
edited Oct 19 '13 at 1:55
Seth♦
33.7k26110160
answered Apr 30 '12 at 13:11
qorrow
32113
apt-cache showpkg <pkgname>
Example:
apt-cache showpkg lightdm
edited Oct 19 '13 at 1:55
Seth♦
33.7k26110160
answered Apr 30 '12 at 13:11
qorrow
32113
edited Oct 19 '13 at 1:55
Seth♦
33.7k26110160
edited Oct 19 '13 at 1:55
Seth♦
33.7k26110160
edited Oct 19 '13 at 1:55
Seth♦
33.7k26110160
33.7k26110160
answered Apr 30 '12 at 13:11
qorrow
32113
answered Apr 30 '12 at 13:11
qorrow
32113
answered Apr 30 '12 at 13:11
qorrow
32113
32113
add a comment |
add a comment |
up vote
13
down vote
There is more than one way, with each method showing a different output.
For a detailed view of the full reverse dependency tree;
aptitude install apt-rdepends
apt-rdepends -r bash
Alternatively;
apt-cache showpkg bash
Or a concise list:
apt-cache rdepends bash
edited Apr 27 at 14:25
Zanna
49.3k13126236
answered May 1 '12 at 13:52
papashou
2,260198
What exactly doesrdependsshow in that tree?apt-rdepends php7.0-fpmshowssed.seddoesn't depend on PHP, let alone PHP FPM.
– Dan Dascalescu
Jan 9 at 23:21
It is reverse depends, it means that PHP depends on sed.
– Erik Berkun-Drevnig
Apr 25 at 3:30
Hi guys, actually "apt-rdepends" stands for "recursive dependency". If you want reverse recursive dependency, you have to type :apt-rdepends -r yourPackageNameHere
– SebMa
Apr 27 at 12:56
add a comment |
up vote
13
down vote
There is more than one way, with each method showing a different output.
For a detailed view of the full reverse dependency tree;
aptitude install apt-rdepends
apt-rdepends -r bash
Alternatively;
apt-cache showpkg bash
Or a concise list:
apt-cache rdepends bash
edited Apr 27 at 14:25
Zanna
49.3k13126236
answered May 1 '12 at 13:52
papashou
2,260198
What exactly doesrdependsshow in that tree?apt-rdepends php7.0-fpmshowssed.seddoesn't depend on PHP, let alone PHP FPM.
– Dan Dascalescu
Jan 9 at 23:21
It is reverse depends, it means that PHP depends on sed.
– Erik Berkun-Drevnig
Apr 25 at 3:30
Hi guys, actually "apt-rdepends" stands for "recursive dependency". If you want reverse recursive dependency, you have to type :apt-rdepends -r yourPackageNameHere
– SebMa
Apr 27 at 12:56
add a comment |
up vote
13
down vote
up vote
13
down vote
There is more than one way, with each method showing a different output.
For a detailed view of the full reverse dependency tree;
aptitude install apt-rdepends
apt-rdepends -r bash
Alternatively;
apt-cache showpkg bash
Or a concise list:
apt-cache rdepends bash
edited Apr 27 at 14:25
Zanna
49.3k13126236
answered May 1 '12 at 13:52
papashou
2,260198
There is more than one way, with each method showing a different output.
For a detailed view of the full reverse dependency tree;
aptitude install apt-rdepends
apt-rdepends -r bash
Alternatively;
apt-cache showpkg bash
Or a concise list:
apt-cache rdepends bash
edited Apr 27 at 14:25
Zanna
49.3k13126236
answered May 1 '12 at 13:52
papashou
2,260198
edited Apr 27 at 14:25
Zanna
49.3k13126236
edited Apr 27 at 14:25
Zanna
49.3k13126236
edited Apr 27 at 14:25
Zanna
49.3k13126236
49.3k13126236
answered May 1 '12 at 13:52
papashou
2,260198
answered May 1 '12 at 13:52
papashou
2,260198
answered May 1 '12 at 13:52
papashou
2,260198
2,260198
What exactly doesrdependsshow in that tree?apt-rdepends php7.0-fpmshowssed.seddoesn't depend on PHP, let alone PHP FPM.
– Dan Dascalescu
Jan 9 at 23:21
It is reverse depends, it means that PHP depends on sed.
– Erik Berkun-Drevnig
Apr 25 at 3:30
Hi guys, actually "apt-rdepends" stands for "recursive dependency". If you want reverse recursive dependency, you have to type :apt-rdepends -r yourPackageNameHere
– SebMa
Apr 27 at 12:56
add a comment |
What exactly doesrdependsshow in that tree?apt-rdepends php7.0-fpmshowssed.seddoesn't depend on PHP, let alone PHP FPM.
– Dan Dascalescu
Jan 9 at 23:21
It is reverse depends, it means that PHP depends on sed.
– Erik Berkun-Drevnig
Apr 25 at 3:30
Hi guys, actually "apt-rdepends" stands for "recursive dependency". If you want reverse recursive dependency, you have to type :apt-rdepends -r yourPackageNameHere
– SebMa
Apr 27 at 12:56
What exactly does
rdepends show in that tree? apt-rdepends php7.0-fpm shows sed. sed doesn't depend on PHP, let alone PHP FPM.– Dan Dascalescu
Jan 9 at 23:21
What exactly does
rdepends show in that tree? apt-rdepends php7.0-fpm shows sed. sed doesn't depend on PHP, let alone PHP FPM.– Dan Dascalescu
Jan 9 at 23:21
It is reverse depends, it means that PHP depends on sed.
– Erik Berkun-Drevnig
Apr 25 at 3:30
It is reverse depends, it means that PHP depends on sed.
– Erik Berkun-Drevnig
Apr 25 at 3:30
Hi guys, actually "apt-rdepends" stands for "recursive dependency". If you want reverse recursive dependency, you have to type :
apt-rdepends -r yourPackageNameHere– SebMa
Apr 27 at 12:56
Hi guys, actually "apt-rdepends" stands for "recursive dependency". If you want reverse recursive dependency, you have to type :
apt-rdepends -r yourPackageNameHere– SebMa
Apr 27 at 12:56
add a comment |
up vote
3
down vote
In addition to other good answers, doing:
sudo apt -s remove <pkgname>
( -s Does a "simulated" removal. )
The removal command will normally list any dependencies/programs/libraries that will be affected or that can removed (orphaned) along with specified pkg. (If they exist.)
answered Aug 22 '17 at 16:53
bshea
40738
apt remove -s php7.0-fpmshowsThe following additional packages will be installed: apache2 apache2-bin apache2-data libapache2-mod-php7.0 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.1-0. Why would apache get installed if I remove PHP FPM?
– Dan Dascalescu
Jan 9 at 23:22
@DanDascalescu Hmm. Might be a bad install/remove script for apt pkg or might be you have some other dependencies that install apache2 as dep (meaning a webserver is needed - and I believe apache2 is default web server). Could be a few things. Just not sure. Has the smell of a good post on AskUbuntu if you haven't found an answer.
– bshea
Jul 10 at 16:26
add a comment |
up vote
3
down vote
In addition to other good answers, doing:
sudo apt -s remove <pkgname>
( -s Does a "simulated" removal. )
The removal command will normally list any dependencies/programs/libraries that will be affected or that can removed (orphaned) along with specified pkg. (If they exist.)
answered Aug 22 '17 at 16:53
bshea
40738
apt remove -s php7.0-fpmshowsThe following additional packages will be installed: apache2 apache2-bin apache2-data libapache2-mod-php7.0 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.1-0. Why would apache get installed if I remove PHP FPM?
– Dan Dascalescu
Jan 9 at 23:22
@DanDascalescu Hmm. Might be a bad install/remove script for apt pkg or might be you have some other dependencies that install apache2 as dep (meaning a webserver is needed - and I believe apache2 is default web server). Could be a few things. Just not sure. Has the smell of a good post on AskUbuntu if you haven't found an answer.
– bshea
Jul 10 at 16:26
add a comment |
up vote
3
down vote
up vote
3
down vote
In addition to other good answers, doing:
sudo apt -s remove <pkgname>
( -s Does a "simulated" removal. )
The removal command will normally list any dependencies/programs/libraries that will be affected or that can removed (orphaned) along with specified pkg. (If they exist.)
answered Aug 22 '17 at 16:53
bshea
40738
In addition to other good answers, doing:
sudo apt -s remove <pkgname>
( -s Does a "simulated" removal. )
The removal command will normally list any dependencies/programs/libraries that will be affected or that can removed (orphaned) along with specified pkg. (If they exist.)
answered Aug 22 '17 at 16:53
bshea
40738
edited Aug 22 '17 at 17:05
answered Aug 22 '17 at 16:53
bshea
40738
answered Aug 22 '17 at 16:53
bshea
40738
answered Aug 22 '17 at 16:53
bshea
40738
40738
apt remove -s php7.0-fpmshowsThe following additional packages will be installed: apache2 apache2-bin apache2-data libapache2-mod-php7.0 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.1-0. Why would apache get installed if I remove PHP FPM?
– Dan Dascalescu
Jan 9 at 23:22
@DanDascalescu Hmm. Might be a bad install/remove script for apt pkg or might be you have some other dependencies that install apache2 as dep (meaning a webserver is needed - and I believe apache2 is default web server). Could be a few things. Just not sure. Has the smell of a good post on AskUbuntu if you haven't found an answer.
– bshea
Jul 10 at 16:26
add a comment |
apt remove -s php7.0-fpmshowsThe following additional packages will be installed: apache2 apache2-bin apache2-data libapache2-mod-php7.0 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.1-0. Why would apache get installed if I remove PHP FPM?
– Dan Dascalescu
Jan 9 at 23:22
@DanDascalescu Hmm. Might be a bad install/remove script for apt pkg or might be you have some other dependencies that install apache2 as dep (meaning a webserver is needed - and I believe apache2 is default web server). Could be a few things. Just not sure. Has the smell of a good post on AskUbuntu if you haven't found an answer.
– bshea
Jul 10 at 16:26
apt remove -s php7.0-fpm shows The following additional packages will be installed: apache2 apache2-bin apache2-data libapache2-mod-php7.0 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.1-0. Why would apache get installed if I remove PHP FPM?– Dan Dascalescu
Jan 9 at 23:22
apt remove -s php7.0-fpm shows The following additional packages will be installed: apache2 apache2-bin apache2-data libapache2-mod-php7.0 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.1-0. Why would apache get installed if I remove PHP FPM?– Dan Dascalescu
Jan 9 at 23:22
@DanDascalescu Hmm. Might be a bad install/remove script for apt pkg or might be you have some other dependencies that install apache2 as dep (meaning a webserver is needed - and I believe apache2 is default web server). Could be a few things. Just not sure. Has the smell of a good post on AskUbuntu if you haven't found an answer.
– bshea
Jul 10 at 16:26
@DanDascalescu Hmm. Might be a bad install/remove script for apt pkg or might be you have some other dependencies that install apache2 as dep (meaning a webserver is needed - and I believe apache2 is default web server). Could be a few things. Just not sure. Has the smell of a good post on AskUbuntu if you haven't found an answer.
– bshea
Jul 10 at 16:26
add a comment |
up vote
0
down vote
The simplest option is still:
apt rdepends package-name
which does not require you to install any package.
answered Nov 26 at 23:10
Corrado Topi
491
1
What is this adding to the accepted answer?
– l0b0
Nov 26 at 23:58
The accepted answer has nothing to do with this one. The output is completely different and way more useful for human consumption than apt-cache's. The answer mentions that apt-cache is not installed by default everywhere - that alone should be a rather good hint why this answer has its purpose. finally, this is actually the answer I was looking for, so any downvote is rather silly.
– stefanct
Nov 28 at 13:21
add a comment |
up vote
0
down vote
The simplest option is still:
apt rdepends package-name
which does not require you to install any package.
answered Nov 26 at 23:10
Corrado Topi
491
1
What is this adding to the accepted answer?
– l0b0
Nov 26 at 23:58
The accepted answer has nothing to do with this one. The output is completely different and way more useful for human consumption than apt-cache's. The answer mentions that apt-cache is not installed by default everywhere - that alone should be a rather good hint why this answer has its purpose. finally, this is actually the answer I was looking for, so any downvote is rather silly.
– stefanct
Nov 28 at 13:21
add a comment |
up vote
0
down vote
up vote
0
down vote
The simplest option is still:
apt rdepends package-name
which does not require you to install any package.
answered Nov 26 at 23:10
Corrado Topi
491
The simplest option is still:
apt rdepends package-name
which does not require you to install any package.
answered Nov 26 at 23:10
Corrado Topi
491
answered Nov 26 at 23:10
Corrado Topi
491
answered Nov 26 at 23:10
Corrado Topi
491
answered Nov 26 at 23:10
Corrado Topi
491
491
1
What is this adding to the accepted answer?
– l0b0
Nov 26 at 23:58
The accepted answer has nothing to do with this one. The output is completely different and way more useful for human consumption than apt-cache's. The answer mentions that apt-cache is not installed by default everywhere - that alone should be a rather good hint why this answer has its purpose. finally, this is actually the answer I was looking for, so any downvote is rather silly.
– stefanct
Nov 28 at 13:21
add a comment |
1
What is this adding to the accepted answer?
– l0b0
Nov 26 at 23:58
The accepted answer has nothing to do with this one. The output is completely different and way more useful for human consumption than apt-cache's. The answer mentions that apt-cache is not installed by default everywhere - that alone should be a rather good hint why this answer has its purpose. finally, this is actually the answer I was looking for, so any downvote is rather silly.
– stefanct
Nov 28 at 13:21
1
1
What is this adding to the accepted answer?
– l0b0
Nov 26 at 23:58
What is this adding to the accepted answer?
– l0b0
Nov 26 at 23:58
The accepted answer has nothing to do with this one. The output is completely different and way more useful for human consumption than apt-cache's. The answer mentions that apt-cache is not installed by default everywhere - that alone should be a rather good hint why this answer has its purpose. finally, this is actually the answer I was looking for, so any downvote is rather silly.
– stefanct
Nov 28 at 13:21
The accepted answer has nothing to do with this one. The output is completely different and way more useful for human consumption than apt-cache's. The answer mentions that apt-cache is not installed by default everywhere - that alone should be a rather good hint why this answer has its purpose. finally, this is actually the answer I was looking for, so any downvote is rather silly.
– stefanct
Nov 28 at 13:21
add a comment |
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Related: askubuntu.com/questions/13296/…
– Seth♦
Feb 26 '15 at 3:58
5
The older question's answers all revolve around
aptitude, something that hasn't been installed by default for years. In 2017, everyone on Ubuntu still hasapt-cache. Anyone who follows the linked question is going to get lost in a discussion about a program few will have.– Lambart
Aug 18 '17 at 17:48