Use yum command to install critical and non-critical security updates as well as binary packages.
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 184.108.40.206-3.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.
However, once you perform an in-place upgrade on your system, it is not possible to get the previous working system back.
The Preupgrade Assistant does the following: Because the Preupgrade Assistant is based on a module system, new checks and upgrade actions can be added relatively easily, so you can expect the tool to improve over time.
up2date command was part of RHEL v4.x or older version.
You need to use yum command to update and patch the system using RHN or Internet.
If your Red Hat Enterprise Linux 6 system is currently registered to RHN Classic, you must first unregister from RHN Classic by following these instructions: https://access.redhat.com/solutions/11272.
The Preupgrade Assistant will not harm your installed system.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.To give you the knowledge you need the instant it becomes available, these articles may be presented in a raw and unedited form.is the Red Hat package manager that is able to query for information about available packages, fetch packages from repositories, install and uninstall them, and update an entire system to the latest available version.
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.