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Full Discussion: Update Red Hat using rpm
Operating Systems Linux Red Hat Update Red Hat using rpm Post 302940211 by omonoiatis9 on Thursday 2nd of April 2015 06:28:51 AM
Old 04-02-2015
Update Red Hat using rpm

Hi to all, I am new in Linux systems so im trying to get familiar with certain procedures. I want to update a Linux machine but i cannot use subscription manager so i want to do it using the
Code:
 rpm

command. How is it possible to see what packages need to be updated? Do i have to check the installed packages one by one to see if there is a new version available? Thank you in advance
 

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RPMKEYS(8)						      System Manager's Manual							RPMKEYS(8)

NAME
rpmkeys - RPM Keyring SYNOPSIS
rpmkeys {--import|--checksig} DESCRIPTION
The general forms of rpm digital signature commands are rpmkeys --import PUBKEY ... rpmkeys {-K|--checksig} PACKAGE_FILE ... The --checksig option checks all the digests and signatures contained in PACKAGE_FILE to ensure the integrity and origin of the package. Note that signatures are now verified whenever a package is read, and --checksig is useful to verify all of the digests and signatures associated with a package. Digital signatures cannot be verified without a public key. An ASCII armored public key can be added to the rpm database using --import. An imported public key is carried in a header, and key ring management is performed exactly like package management. For example, all cur- rently imported public keys can be displayed by: rpm -qa gpg-pubkey* Details about a specific public key, when imported, can be displayed by querying. Here's information about the Red Hat GPG/DSA key: rpm -qi gpg-pubkey-db42a60e Finally, public keys can be erased after importing just like packages. Here's how to remove the Red Hat GPG/DSA key rpm -e gpg-pubkey-db42a60e SEE ALSO
popt(3), rpm(8), rpmdb(8), rpmsign(8), rpm2cpio(8), rpmbuild(8), rpmspec(8), rpmkeys --help - as rpm supports customizing the options via popt aliases it's impossible to guarantee that what's described in the manual matches what's available. http://www.rpm.org/ <URL:http://www.rpm.org/> AUTHORS
Marc Ewing <marc@redhat.com> Jeff Johnson <jbj@redhat.com> Erik Troan <ewt@redhat.com> Panu Matilainen <pmatilai@redhat.com> Red Hat, Inc 29 October 2010 RPMKEYS(8)
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