102.4 Use Debian package management

Question 1

What does apt mean?

Answer 1

Advanced Package Tool

Question 2

What distros of Linux use apt?

Answer 2

Debian based distros

Question 3

What is apt used for?

Answer 3

To install applications and their dependencies.
To remove applications
To update/upgrade packages

Question 4

What does the /etc/apt/sources.list file contain?

Answer 4

It contains URL listings for all software repositories that you can install software from

Question 5

What is the command to update the local apt cache with a listing of packages that can be updated and installed?

Answer 5

apt-get update

Question 6

What is the command that upgrades the packages that have upgrades available?

Answer 6

apt-get upgrade

Question 7

What is a difference between apt and dpkg regarding dependencies?

Answer 7

The apt tool handles dependencies for you, the dpkg does not.

Question 8

What is the command that removes an application in a Debian based system?

Answer 8

apt-get remove packagename

Question 9

Does apt remove an application and the dependencies and configuration files of the application?

Answer 9

No, it will only remove the app itself.

Question 10

What is the command that removes an application’s packages that are no longer needed in a Debian based system?

Answer 10

apt autoremove

Question 11

What is the command that removes an application’s config files in a Debian based system?

Answer 11

apt-get purge packagename

Question 12

What is the command that upgrades all packages on the system up to the next release of the distribution?

Answer 12

apt-get dist-upgrade

Question 13

What is the command that downloads a package but doesn’t install it in a Debian based system?

Answer 13

apt-get download packagename

Question 14

What is the command that searches through your local apt cache for a package that can be installed?

Answer 14

apt-cache search

Question 15

What is the command that provides more technical information about a package?

Answer 15

apt-cache showpkg packagename

Question 16

What type of file does dbpk use?

Answer 16

.deb

Question 17

What is the command that removes an application’s config files in a Debian based system?

Answer 17

apt-get purge packagename

Question 18

What command do you use to list out Debian packages already installed in the system?

Answer 18

dpkg -l packagename

Question 19

What command do you use to see info about a .deb package with less details that –info?

Answer 19

dpkg –status packagename

Question 20

What is dpkg?

Answer 20

It is the Debian package tool

Question 21

What does a .deb file contain?

Answer 21

• the app or utility
• default config files for the app
• instructions on how and where to install the files
• list of dependencies the app requires

Question 22

What command do yo use to install a .deb package?

Answer 22

dpkg -i packagename

Question 23

What command do you use to list out all the files that were installed with a specified .deb package?

Answer 23

dpkg - L packagename

Question 24

What command do you use to remove a .deb package?

Answer 24

dpkg -r packagename (this command leaves the config files still in the system)

Question 25

What command do you use to remove a .deb package and remove any config files of the package?

Answer 25

dpkg -P packagename

Question 26

What command do you use to see if there is anything within the dpkg database that refers to an app?

Answer 26

dpkg -S packagename

Question 27

What command allows the modification of a package that is already installed by re-running the app’s config tool in a Debian based system?

Answer 27

dpkg -reconfigure packagename

Question 28

What is the command that lists out basic information about a package?

Answer 28

apt-cache show packagename

Question 29

What is the command to install an application in a Debian based system?

Answer 29

apt-get install packagename