IBM announced the completion of a one-petaflop supercomputer that runs Red Hat Linux. Twice as fast as the previous record-setter, the IBM Blue Gene, the Roadrunner uses a hybrid design that combines 6,948 dual-core AMD Opteron chips with 12,960 Cell processor engines.
The Roadrunner was built for the Department of Energy's National Nuclear Security Administration and will be soon be shipped to
In this short post I will show you how you can quickly add a range of IPs on any RedHat based system (Rhel, Centos, Fedora, etc). When you have to add many IPs to a system this can be quite handy and save a lot of time.
Normally when you add a new IP to a network interface in a RedHat based system you create a file ifcfg-eth0:x in /etc/sysconfig/network-scripts/. For example: /etc/sysconfig/
Static routing is the term used to refer to the manual method used to set up routing. An administrator enters routes into the router using configuration commands. This method has the advantage of being predictable, and simple to set up. It is easy to manage in small networks but does not scale well.
Question: How can [...]
Several outlets have reported that both Red Hat and Novell will not
plan to market or develop versions of their Linux distributions for the
consumer desktop. Both companies have cited limited opportunities in
this market due to domination of a particular brand.
My first reaction was disappointment. Competition is a very good
thing and to have two major Linux players decide that it’s not even
You can list the packages that are installed on a RedHat or CentOS or Fedora or OpenSuse system, running this commands:
# rpm -qa
You can also redirect the list of packages to a file by using this command
# rpm -qa > /root/list.txt
You should remove packages you dont use for security reasons.
Please go through the JD and revert to me with your interest.
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Anche se uso Fedora da sempre e prima Redhat mi è capitato spesso di smanettare e lavorare su pc o server che montavano Debian, Ubuntu o derivate. Molte volte avevo necessità di installare applicazioni o altro che avevo solo in formato rpm allora quando ancora non conoscevo il comando “alien” mi scervellavo a cercare e [...]
Pie Box Enterprise Linux 4 is aimed at people who need a stable OS with a long lifespan but don't want an expensive bundled support contract. It is derived from open source software with only four packages modified in order to replace trademarks and logos with our own. Features of Pie Box Enterprise Linux 4 include the Linux 2.6 kernel, SELinux, GNOME 2.8, Samba 3.0, Logical Volume Manager 2, PCI Express support and NFSv.4.Pie Box Enterprise Linux is a Linux distribution that is derived from the open source software made available by Red Hat, Inc. It is built from the source RPMs of Red Hat Enterprise Linux. Only a small number of packages are modified in order to remove Red Hat's trademarks from relevant images and to skip the RHN registration step immediately after installation.All other packages remain unchanged from those released by Red Hat and there are no packages added or removed. This results in a product that is fully compatible with Red Hat Enterprise Linux. The updates an
Red Hat has announced the availability of Red Hat Enterprise Linux (RHEL) 5.1, the first update to the RHEL 5 product line."Red Hat is pleased to announce the general availability of Red Hat Enterprise Linux 5.1. This update includes the following enhancements: completion of virtualization support on Itanium2 platforms; improved support for Fully Virtualized (FV) guests; improved ACPI power management support including support for S3 suspend to RAM and S4 hibernate; ext3 filesystem now fully supports filesystem sizes of up to 16 TB; IPv6 improvements; hardware support enhancements; Samba update for improved interoperability; PAM/Kerberos and NSS-LDAP updates for improved integration in Active Directory environments; improved support for autofs load balancing with replicated servers...."Technology Preview features are included in Red Hat Enterprise Linux to provide the features with wide exposure. Customers may find these features useful in a non-production environment. Customers are fr
Huh. Just read about Redhat and Amazon teaming up to give you RHEL Cloud Computing (via). Basically, you can now buy RHEL support with preconfigured AMI’s on Amazon EC2 directly from Amazon. And by you and now I mean you if you’re a participant in the private beta and if you aren’t now means, not now, but still.
I think it’s a pretty interesting move for RedHat and Amazon, I honestly have no idea how big an event this is (I suspect it doesn’t do too much, but who knows? People have been looking for good grid serving for awhile now) but I think it’s an interesting step forward for both of them. Redhat’s pricing of RHEL has been nutty. Seriously, it is quite expensive with not too much benefit over going with another distribution.
And it’s quite an interesting model for Amazon. The pricing of this RHEL combines a $19 monthly fixed fee per instance (regardless of instance size) and the cost per instance hour also goes up, over doubling for
X/OS Linux 5 is a Free and Open Source Linux distribution derived from the freely available source rpm packages of Red Hat Enterprise Linux 5 (RHEL5).X/OS has spent considerable effort to avoid using Red Hat's trademarks in any way that would imply an association with or sponsorship by Red Hat. X/OS Linux is not produced, maintained or supported by Red Hat.X/OS is a good, easy-to-use operating system with a massive choice in software -- which is only to be expected, since that's what Red Hat is, but it lacks any value beyond that offered by Red Hat or CentOS, another distro built from RHEL sources. The major change touted on the project's Web site is additional installation methods, but to enable these methods you must have a valid RHEL or X/OS key. Another change is listed as "minor bugfixes," with no further info beyond "see specific packages for details." The rest of the differences between Red Hat and X/OS are just naming and skinning. There is no additional documentation availa
Removing software with RPM is easy and can be done in several ways:
rpm -e ApplicationName
For uninstalling with additional detailes:
rpm -e -vvv ApplicationName
Force uninstalling :
rpm -e --nodeps ApplicationName
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