sys64738

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====== RPM handling ======

===== List package vendors =====

List packages from 3 party vendors (Not Red Hat).

   rpm -qa --qf '%{NAME} %{VENDOR}\n' | grep -v "Red Hat, Inc."
   
===== List package GPG signatures =====

  rpm -qa --qf '%{NAME} %{SIGGPG:pgpsig} %{SIGPGP:pgpsig} \n' 
   
===== Query Package Install Order and Dates =====
  
  rpm -qa --last
  
===== Show all installed public GPG keys =====

  rpm -q gpg-pubkey --qf '%{name}-%{version}-%{release} --> %{summary}\n' 
  
===== Remove installed public GPG key =====
  
  rpm -e --allmatches gpg-pubkey-<pub signature>
  
===== List public GPG key included in signed RPM package =====

  rpm -Kv <RPM package>

  rpm -Kv zsh-4.3.10-4.1.el6.x86_64.rpm
  zsh-4.3.10-4.1.el6.x86_64.rpm:
    Header V3 RSA/SHA256 Signature, key ID fd431d51: OK
    Header SHA1 digest: OK (65b8120096b3ffdec9f34767883a7e343442b388)
    V3 RSA/SHA256 Signature, key ID fd431d51: OK
    MD5 digest: OK (0fd7878f63df3b48b5d0099ea9c81717)

If the RPM package is not signed the output will be missing the SHA/RSA signatures.

  rpm -Kv TIVsm-API64.x86_64.rpm
    TIVsm-API64.x86_64.rpm:
    Header SHA1 digest: OK (07dad9f7be72b5a322c355038589b75dbf5038b6)
    MD5 digest: OK (67ae54c20e4195c48bb3c7a90b7655db)

The SHA1 & MD5 digest information is the cheksums.

===== Sign RPM package ===== 

  rpm --addsign <RPM package>
  
===== Show verbose information about RPM package =====
  
  rpm -qip <RPM package>

  rpm -qip zsh-4.3.10-4.1.el6.x86_64.rpm
  Name        : zsh                          Relocations: (not relocatable)
  Version     : 4.3.10                            Vendor: Red Hat, Inc.
  Release     : 4.1.el6                       Build Date: Tue 08 Dec 2009 09:35:26 PM CET
  Install Date: (not installed)               Build Host: ls20-bc2-13.build.redhat.com
  Group       : System Environment/Shells     Source RPM: zsh-4.3.10-4.1.el6.src.rpm
  Size        : 5011302                          License: BSD
  Signature   : RSA/8, Mon 16 Aug 2010 10:35:42 PM CEST, Key ID 199e2f91fd431d51
  Packager    : Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>
  URL         : http://zsh.sunsite.dk/
  Summary     : A powerful interactive shell
  Description :
  The zsh shell is a command interpreter usable as an interactive login
  shell and as a shell script command processor.  Zsh resembles the ksh
  shell (the Korn shell), but includes many enhancements.  Zsh supports
  command line editing, built-in spelling correction, programmable
  command completion, shell functions (with autoloading), a history
  mechanism, and more.

  
===== Extract files from RPM package  =====

  rpm2cpio httpd-2.2.3-31.el5_4.2.x86_64.rpm | cpio -idmv

===== Extract just one file from RPM package  =====

  rpm2cpio logrotate-1.0-1.i386.rpm |cpio -ivd etc/logrotate.conf
  
====== Yum handling ======
  

===== Only download packages  =====

You might want to download packages without installing them.

Make sure yum-downloadonly plugin is installed

  yum install yum-downloadonly
  
Update system but only download packages do not install them

  yum update -y --downloadonly
  
Default download cache is /var/cache/yum/. This cn be overidden with --downloaddir option

===== Transaction Check Error =====

Getting conflict errors between 32bit and 64 bit packages when doing yum update

Transaction Check Error:

file blablabla from install of hal-0.5.8.1-62.el5.i386.rpm conflicts with file from package hal-0.5.8.1-62.el5.x64.rpm


  rpm -Uvh --force /var/cache/yum/rhel-x86_64-server-5/packages/hal-0.5.8.1-62.el5.i386.rpm

Now re-run yum update. Now everything works fine.
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