Package Management

Question 1

Name some of the RPM based distros?

Answer 1

Redhat, Centos

Question 2

Example of a debian package manager?

Answer 2

“dpkg”, and “apt” is a new front end for the dpkg system

Question 3

Name some of the debian based distros?

Answer 3

Ubuntu, Debian, Arch Linux

Question 4

What is a “package” in linux?

Answer 4

A package, in its simplest definition,is a compressed archive that contains all the files that are required by our particular software to run.

For example, let’s consider an Ubuntu system. We want to install a simple image editing software such as GIMP, which stands for GNU Image Manipulation Program in this system. To do this, we can make use of the gimp.deb package. This gimp.deb package contains all
the software binaries and files needed for the image editor to run along with the metadata, which provides information about the software itself.

Question 5

What is a package manager in linux?

Answer 5

A package manager is a software in a Linux
system that provides a consistent and automated process of installing, upgrading, configuring, and removing packages from the operating
system.

Question 6

Which is the base package manager found in Red Hat-
based distributions such as Red Hat Enterprise Linux, CentOS, and Fedora.

Answer 6

RPM

Question 7

Which is the front-end for the RPM system found
in Red Hat-based distributions.

Answer 7

YUM

Question 8

Which is the base package manager found in debian
based distributions?

Answer 8

dpkg

Question 9

Which is the front-end for the dpkg system found
in debian-based distributions.

Answer 9

apt, apt-get

Question 10

Diagram showing types of packet managers?

Answer 10

Question 11

What does RPM stand for?

Answer 11

Red hat Packet Manager

Question 12

What is the file extension for the packages managed by RPM

Answer 12

.rpm

Question 13

RPM has five basic modes of operation. What are they?

Answer 13

RPM has five basic modes of operation:
1. installing,
2. uninstalling,
3. upgrade,
4. query,
5. verifying

Question 14

Command to install a package using rpm?

Answer 14

rpm -ivh <package.rpm></package.rpm>

i - install
v - verbose
h -

Question 15

Command to uninstall a package using rpm?

Answer 15

rpm -e <package.rpm></package.rpm>

Question 16

Command to upgrade a package using rpm?

Answer 16

rpm -Uvh <package.rpm></package.rpm>

Note: The upper case U

Question 17

uppercase U. The RPM database stores
information about all RPM packages installed in your
system. Which directory is this details in ?

Answer 17

/var/lib/rpm

Question 18

What details does the /var/lib/rpm store?

Answer 18

The RPM database stores
information about all RPM packages installed in your
system in the /var/lib/rpm directory.

It is used to query what packages are installed,
what versions each package is, and any changes to any files in the package since installation, among others.

Question 19

rpm command to get details about an installed package?

Answer 19

To query this database and get details about an installed package, use the Rrpm -q, followed by the package name.

rpm -q <package.rpm></package.rpm>

Question 20

What is this command used for rpm -V ?
Note: Upper case V

Answer 20

to verify a package

Question 21

which command to verify a package?

Answer 21

rpm -V <package.rpm>
Note: Upper case V</package.rpm>

Question 22

what does verifying a package using rpm -V do?

Answer 22

Verifying a package compares information
about files installed from a package with the same
information from the original package. This is
especially useful to make sure that the package has been installed from a trusted and secure source. Despite all