If no package matches the specified package name(s), they are assumed to be a shell wildcard, and any matches are then installed.Red Hat Enterprise Linux 7 (RHEL 7) is the first major release of RHEL to allow in-place upgrades from the previous RHEL major release (RHEL 6).If any dependencies of the package (or packages) you update have updates available themselves, then they are updated too.Finished Dependency Resolution Dependencies Resolved =========================================================================== Package Arch Version Repository Size =========================================================================== Updating: udev x86_64 147-2.15.el6 rhel 337 k Transaction Summary =========================================================================== Install 0 Package(s) Upgrade 1 Package(s) Total download size: 337 k Is this ok [y/N]:, which Yum uses to perform changes to the system, provides a mechanism for ensuring their integrity.If your system is not subscribed, see Chapter 6, Yum provides secure package management by enabling GPG (Gnu Privacy Guard; also known as Gnu PG) signature verification on GPG-signed packages to be turned on for all package repositories (i.e. When signature verification is enabled, Yum will refuse to install any packages not GPG-signed with the correct key for that repository.This means that you can trust that the packages you download and install on your system are from a trusted source, such as Red Hat, and were not modified during transfer.You need to use yum command to update and patch the system using RHN or Internet.
The following is a list of the most commonly-used Used to install the latest version of a package or group of packages.is not available on Red Hat Enterprise Linux 5, which uses Yum (Yellowdog Updater Modified).The entire stack of tools that installs and updates software in Red Hat Enterprise Linux 5 is now based on Yum.Login as the root user to install and update the system. perl-libxml-perl.noarch 0.08-1.2.1 base perl-suidperl.i386 4:5.8.8-10.el5_0.2 updates Installed Groups: Engineering and Scientific My SQL Database Editors System Tools Text-based Internet Legacy Network Server DNS Name Server Dialup Networking Support FTP Server Network Servers Legacy Software Development Legacy Software Support Development Libraries Graphics Web Server Ruby Printing Support Mail Server Server Configuration Tools Postgre SQL Database Available Groups: Office/Productivity Administration Tools Beagle Development Tools GNOME Software Development X Software Development Virtualization GNOME Desktop Environment Authoring and Publishing Mono Games and Entertainment XFCE-4.4 Tomboy Java Java Development Emacs X Window System Windows File Server KDE Software Development KDE (K Desktop Environment) Horde Sound and Video Free NX and NX News Server Yum Utilities Graphical Internet Done Loading "installonlyn" plugin Loading "security" plugin Setting up repositories Reading repository metadata in from local files Extra Packages Deny Hosts.noarch 2.6-python2.4 installed VMware Tools.i386 6532-44356 installed john.i386 22.214.171.124-3.el5installed kernel.i686 2.6.18-8.1.15.el5 installed kernel-devel.i686 2.6.18-8.1.15.el5 installed lighttpd.i386 1.4.18-1.el5installed lighttpd-fastcgi.i386 1.4.18-1.el5installed psad.i386 2.1-1 installed rssh.i386 2.3.2-1.2.el5installed Loading "installonlyn" plugin Loading "security" plugin Setting up repositories Reading repository metadata in from local files setup.noarch 2.5.58-1.el5 base Matched from: /etc/passwd setup.noarch 2.5.58-1.el5 installed Matched from: /etc/passwd The author is the creator of nix Craft and a seasoned sysadmin and a trainer for the Linux operating system/Unix shell scripting.Loading "installonlyn" plugin Loading "security" plugin Setting up repositories Reading repository metadata in from local files Installed Packages perl.i386 4:5.8.8-10.el5_0.2 installed perl-Archive-Tar.noarch 1.30-1.fc6 installed perl-BSD-Resource.i386 1.28-1.fc6.1 installed perl-Compress-Zlib.i386 1.42-1.fc6 installed perl-DBD-My SQL.i386 3.0007-1.fc6 installed perl-DBI.i386 1.52-1.fc6 installed perl-Digest-HMAC.noarch 1.01-15 installed perl-Digest-SHA1.i386 2.11-1.2.1 installed perl-HTML-Parser.i386 3.55-1.fc6 installed ..... He has worked with global clients and in various industries, including IT, education, defense and space research, and the nonprofit sector.Yum performs automatic dependency resolution on packages you are updating, installing, or removing, and thus is able to automatically determine, fetch, and install all available dependent packages.