Basic Package Man

Question 1

Where is the metadata for rpm packages located?

Answer 1

/var/lib/rpm

Question 2

query all installed packages

Answer 2

rpm -qa

Question 3

query whether a specific package is installed

Answer 3

rpm -q perl

Question 4

list only the documentation of a a package

Answer 4

rpm -qd audit

Question 5

list config files of a package

Answer 5

rpm -qc cups

Question 6

identify which package owns the specified file

Answer 6

rpm -qf /etc/passwd

Question 7

display info about an installed package

Answer 7

rpm -qi setup

Question 8

list all file and package dependencies for a package

Answer 8

rpm -qR chrony

Question 9

determine what packages require the specified package in order to operate properly

Answer 9

rpm -q –whatrequires lvm2

Question 10

install zsh

Answer 10

sudo rpm -ivh /mnt/BaseOS/Packages/zsh-5.5.1-6.el8.x86_64.rpm

Question 11

upgrade zsh

Answer 11

sudo rpm -Uvh /mnt/BaseOS/Packages/zsh-5.5.1-6.el8.x86_64.rpm

Question 12

refresh package

Answer 12

sudo rpm -Fvh /mnt/BaseOS/Packages/zsh-5.5.1-6.el8.x86_64.rpm

Question 13

overwrite zsh

Answer 13

sudo rpm -ivh –replacepkgs /mnt/BaseOS/Packages/zsh-5.5.1-6.el8.x86_64.rpm

Question 14

remove zsh

Answer 14

sudo rpm zsh -ve

Question 15

check integrity of zsh

Answer 15

rpm -K /mnt/BaseOS/Packages/zsh-5.5.1-6.el8.x86_64.rpm –nosignature

Question 16

import GPG keys for authenticity

then check authenticity of zsh

Answer 16

sudo rpmkeys –import /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release

sudo rpmkeys -K /mnt/BaseOS/Packages/zsh-5.5.1-6.el8.x86_64.rpm

Question 17

Verify at attributes including owner, group, perms etc…

Answer 17

sudo rpm -V at
if it returns nothing, then it means the file is intact
Change permissions and it will present a message:
.M…….. c /etc/sysconfig/atd = meaning the perms have changed