Linked Questions

390 votes
8 answers
334k views

How to list dependent packages (reverse dependencies)?

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.
l0b0's user avatar
  • 8,819
21 votes
0 answers
1k views

How can I find out why a package was installed? [duplicate]

How can I find out why a particular package was installed? Is it part of the default installation? Was it specified manually, or was it chosen automatically to meet dependencies? Which packages are ...
ændrük's user avatar
  • 76.7k
14 votes
2 answers
3k views

ImageMagick suddenly installed

I was taking a look at my installed programs, when I saw a program called ImageMagick, I took a look at it in the Ubuntu Software Center, and it's a program to manipulate images. That's OK, but I ...
Nori-chan's user avatar
  • 845
14 votes
2 answers
4k views

What is apt-get equivalent of "aptitude why"?

In this answer, I came across this command: aptitude why firefox aptitude whylooks like an useful command but I don't want to install aptitude just for that. What is the apt-get equivalent of ...
DK Bose's user avatar
  • 42.5k
4 votes
2 answers
351 views

Does openjdk-7-jdk depend on systemd?

I'm trying to install openjdk-7-jdk on Ubuntu Trusty (with apt or aptitude), but it seems to depend on systemd, which I'd like to avoid. But also, I can't see systemd in the output of debtree or apt-...
x-yuri's user avatar
  • 581
4 votes
2 answers
92 views

Why do I sometimes get new apps that I have not installed when I boot my laptop? [duplicate]

So when I start my Ubuntu 20.04 laptop I eventually get some new apps like this one ''ImageMagick'' that I'm 100% sure that I did not install and many others that I don't even remember to the point ...
GBT55's user avatar
  • 173
4 votes
0 answers
1k views

How to make Aptitude clean up old kernels?

On my laptop, I have several gigs of old kernels lying around, with package names such as linux-image-some_number-generic, linux-image-extra-some_number-generic, linux-headers-some_number, linux-...
Jonas Dahlbæk's user avatar
3 votes
1 answer
492 views

How to check if a package is essential / part of base OS install?

How to check if a package is essential / part of base Ubuntu (v18.04.5) install? Eg. I keep seeing Ceph and RADOS updates in my weekly software updater GUI, ie... ➜ ~ apt list --upgradable Listing... ...
lampShadesDrifter's user avatar
3 votes
2 answers
101 views

Is there a way to find out which package was responsible for a DependecyPackageInstallation? [duplicate]

Is there a way to find out from which package installation a certain package was installed as dependency?
NES's user avatar
  • 33.2k
3 votes
2 answers
7k views

How do I fix "sorry, a problem occurred while installing software blcr-dkms"?

I have Ubuntu 12.04 running smoothly without any problems. Until recently, I have been receiving this pop-up stating sorry, a problem occurred while installing software Package: blcr-dkms Ubuntu ...
user65314's user avatar
2 votes
4 answers
317 views

how to know about a package as its a main package or dependecies to other package ? [duplicate]

I would like to know about package information as i have mentioned in my Question . For example , There is a installed package in my system . So i want to know whether its a main package or ...
Raja G's user avatar
  • 102k
2 votes
2 answers
505 views

Which package installed postfix as a dependency? [duplicate]

I have a script that has lots "sudo apt install ..." commands. While running the script I realized that it also installs postfix which I didn't specify. Is there an easy way to identify ...
mrdolichenus's user avatar
2 votes
1 answer
2k views

Why do I have two PostgreSQL versions in my Ubuntu 18.04?

Everytime I install PostgreSQL in Ubuntu 18.04 (even when I ask apt-get to specifically install version 11 with a sudo apt-get install postgresq-11) I get version 10 and version 11 in my system. ...
André Carvalho's user avatar
1 vote
1 answer
299 views

Why do I have TeXInfo installed all of a sudden?

Running Ubuntu 22.04 fully up to date, I noticed an app I didn't install myself called TeXInfo is now on my system. I assume it got pulled in recently as a dependency from another app or possibly ...
Scotty_Trees's user avatar
  • 1,661
1 vote
1 answer
122 views

What does it mean that python-keyring "suggests" python-kde4?

I have a pending update for "Get Hot New Stuff" for the KDE Platform (libknewstuff2-4). I don't recall installing anything with KDE dependencies (I'm using vanilla Ubuntu), so I tried to figure out ...
jake's user avatar
  • 449

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