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LPI101 - 4.6

Use Red Hat Package Manager (RPM)

QuestionAnswer
rpm -i The install mode (rpm -i) is used to install new packages.
rpm -U A variant of install mode is the upgrade mode (rpm -U), where an installed package is upgraded to a more recent version.
rpm -e This mode is used to remove installed packages from the system. By default, rpm uninstalls a package only if no other packages are dependent on it.
rpm -q Installed packages and raw package files can be queried using the rpm -q command. Query-mode options exist for package and information selection.
rpm -V Files from installed packages can be compared against their expected configuration from the RPM database by using rpm -V.
rpm -i --force Allows the replacement of existing packages and of files from previously installed packages; for upgrades, it allows the replacement of a newer package with an older one.
rpm -ih Prints a string of 50 hash marks (#) during installation as a progress indicator.
rpm -i --nodeps Allows you to install a package without checking for dependencies. This command should be avoided, since it makes the dependency database inconsistent.
rpm -i --test Runs through all the motions except for actually writing files; it's useful to verify that a package will install correctly prior to making the attempt. Note that verbose and hash options cannot be used with --test, but -vv can.
rpm -iv Sets verbose mode. (Package names are displayed as the packages are being installed.)
rpm -ivv Sets really verbose mode. The manpage describes this as "print lots of ugly debugging information."
rpm -e --nodeps rpm skips dependency checking with this option enabled. This command should be avoided, since it makes the dependency database inconsistent.
rpm -e --test This option runs through all the motions except for actually uninstalling things; it's useful to verify that a package can be uninstalled correctly without breaking other dependencies prior to making the attempt. Note that verbose and hash options cannot
rpm -qa Display a list of all packages installed on the system. This is particularly useful when piped to grep if you're not sure of the name of a package or when you want to look for packages that share a common attribute.
rpm -qf Display the package that contains a particular file.
rpm -qp Query a package file. Most useful with -i, described next.
rpm -qc List only configuration files.
rpm -qd List only documentation files.
rpm -qi Display information about an installed package, or when combined with -p, about a package file. In the latter case, package is a filename.
rpm -ql List all of the files contained in package. When used with -p, the package is a filename.
rpm -qR List packages on which this package depends.
rpm -Va To verify ALL installed packages
rpm -Vf To verify a package containing a particular file
rpm -Vp To verify an installed package against an RPM package file
rpm -V --nofiles Ignores missing files.
rpm -V --nomd5 Ignores MD5 checksum errors.
rpm -V --nopgp Ignores PGP checking errors.
Created by: jtuyen
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