Package Management

Question 1

dpkg –info

Answer 1

shows information about a package from a package file

Question 2

dpkg –status

Answer 2

an abbreviated version of –info

Question 3

dpkg –search

Answer 3

searches for a package via package database. will include file names in the search

Question 4

dpkg –list

Answer 4

searches for a package via the package database. a good way to see if the package is installed

Question 5

apt dist-upgrade

Answer 5

will update all packages on the system and will remove minor packages to fix dependencies issues

Question 6

apt upgrade

Answer 6

will update all packages on the system but will not remove anything

Question 7

apt update

Answer 7

reads the /etc/apt/sources.list and updates local cache

Question 8

apt-cache search

Answer 8

searches for a package in remote repos

Question 9

apt-cache show

Answer 9

shows information about a package and its dependencies

Question 10

apt-cache showpkg

Answer 10

shows information about packages but more detailed then show

Question 11

rpm -K

Answer 11

checks the MD5 GPG signature

Question 12

rpm -i

Answer 12

install a package

Question 13

rpm -V

Answer 13

verifies the package, runs some tests

Question 14

rpm -e

Answer 14

erase or remove a package

Question 15

rpm -U

Answer 15

upgrades a package. will install a package if its not installed

Question 16

rpm -F

Answer 16

freshens a package, it will upgrade a package but will not install it if it is not currently installed

Question 17

rpm -q

Answer 17

queries to see if a package is installed

Question 18

rpm -qil

Answer 18

used for installed packages, with short or long name format

Question 19

rpm -qilp

Answer 19

used for uninstalled packages with a file specified

Question 20

yum list

Answer 20

searches remote repos for a package

Question 21

main config file for yum

Answer 21

/etc/yum.conf

Question 22

yum repo config files are store in this dir

Answer 22

/etc/yum.repos.d