RHN Satellite 5.4 released
RHN Satellite 5.4 was released. It can be downloaded from http://rhn.redhat.com. Release Notes: See the release notes from Red Hat More to report soon…. Have fun!
View ArticleRHEL6 is released!
RHEL6 was just released at 2010-11-10 20:09:50 CET. Quoting Red Hat press relase: Today, we delivered Red Hat Enterprise Linux 6 to the market. @Red Hat: you are so mean! Next time inform your fellows...
View ArticleRHEL 5.6 is released
Today Red Hat has released RHEL5.6 after a beta period of ~2 months. There is no official announcement (yet), so the release highlights are unknown. Probably they are the same like the beta version....
View ArticleCentOS6 to be released in the next few weeks
According to an interview with Karanbir Singh – a major contributor to the project – it is just a question of a few weeks until we can expect CentOS6 to be released. CentOS is extremely important for...
View ArticleRHEL 4.9 released
Today, Red Hat released its “service pack” or “maintenance release” of RHEL4. According to Red Hats life cycle policy” it ends the production stage two. That means: In future only bugs with a high...
View ArticleRHEL6.1 and Red Hat is changing its subscription methods
I just got an email with the subject “Opportunity for Red Hat Certified Professionals to test new Red Hat software”. Quoting the email: " The new subscription management tools provide a very different...
View ArticleHow to harden RHEL systems
Some time ago, the NSA released an excellent guide how to harden RHEL5 systems. Despite of being written for RHEL5, it partially also applies to RHEL6 and newer versions of Fedora. It is also worth...
View ArticleCross distribution system management with Spacewalk
In a perfect world, all systems in a data centre are running the same Linux operating system, a homogeneous system landscape. In real life things are working differently. Windows systems are out of...
View ArticleIdentity Management with IPA Part I
Red Hat released RHEL 6.2 on December 6th. From my point of view, the greatest news in the release is that IPA (or now called Identity Management) is now fully supported and available in the RHEL 6...
View ArticleMigrating from CentOS6 to RHEL6
There are different tutorial on the net how to migrate from RHEL to CentOS but almost no information about the other way round. It is quite simple and at the end of the day you have only Red Hat...
View ArticleWhat is possibly going into RHEL6 GA and what is not
As I wrote different times before, RHEL6 is going to have a Kernel based on upstreams 2.6.32 Kernel. Meanwhile Linus Torvalds and his fellows released 2.6.34. Since then – from a System Engineers Point...
View ArticleDeploying RHEL as ESX guests – Kickstarting or using ESX templates?
Some time ago I asked my self the question if it is better to kickstart systems or working with ESX templates when deploying RHEL as ESX guests. I also had some discussions with friends working in the...
View ArticleSecure your system with SELinux
Introduction to SELinux SELinux is well known as the most sophisticated Linux Mandatory Access Control (MAC) System. If you install any Fedora or Redhat operating System it is enabled by default and...
View ArticleConfigure SSSD to work on IPv6-only Hosts
SSSD is used for the client side of IPA and other centralized Identity Management Services. Unfortunately it does not behave as it should. The default is to look up first IPv4 addresses and if that...
View ArticleAudit your systems for security compliance with OpenSCAP
Introduction to (Open)SCAP SCAP stands for Security Content Automation Protocol. It is an open standard which defines methods for security policy compliance, vulnerability management and measurement...
View ArticleUsing Data Deduplication and Compression with VDO on RHEL 7 and 8
Storage deduplication technology has been on the market for quite some time now. Unfortunately all of the implementations have been vendor specific proprietary software. With VDO, there is now an open...
View ArticleMigrating from CentOS8 to RHEL8
There are various reasons why to migrate from CentOS to RHEL. Quicker access to bugfixes and new minor releases as well as having a fully commercially supported system. Unfortunately most providers do...
View ArticleInstalling RHEL 8 on Hetzner root servers
Hetzner is a very popular provider for so called root servers and VPS (Virtual private Servers) located in Germany with datacenters in Germany and Finnland. They are quite affordable and have good...
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