TABLE OF CONTENTS
I. RHEL for real-time and mission-critical computing
Over the past year, Red Hat Enterprise Linux
(RHEL) has made serious strides in real-time computing. Now, with new offerings like Red Hat MRG, which offers 100-fold increases
in computing speed while also providing greater reliability and system stability, RHEL is poised to
become the standard-bearer in terms of real-time performance computing. This section explores
RHEL's advances in real-time computing.
II. The experts on RHEL
For configuration and installation advice as well as comparison of SUSE and Red Hat and database
management options, check out our expert resources on Red Hat Enterprise Linux.
III. RHEL and security
With new advances in Security Enhanced Linux, or SELinux, admins may find the historically
unapproachable program more manageable. This section explores some of the recent happenings in the
arena of Linux security.
I. RHEL for real-time and mission-critical
computing
Real-time computing gets a jolt with Red Hat MRG
At Red Hat's annual Red Hat Summit the company announced its latest offering for real-time
conputing: Red Hat MRG, comprising separate subscriptions that add advanced messaging, real-time
computing and grid computing to RHEL 5.
RHEL 5.1 breaks transaction speed record
With its advances in performance and transaction speed -- RHEL recently surpassed all other
operating systems in transaction speed and accuracy -- RHEL has made serious inroads in the
financial services sector. This interview discusses why Red Hat Linux has the greatest potential
for high-volume, real-time and mission-critical industries like financial services.
RHEL gains traction at Chicago Mercantile Exchange
The Chicago Mercantile Exchange
(CME) needed an operating system resilient enough to keep up with the volume of email, trades
and other data associated with stock trading. CME took a gamble and migrated from Sun Solaris to Red Hat Enterprise Linux (RHEL). Now, five
years later, the migration has paid off in terms of reduced cost and transaction time. But the
migration was hardly free of roadblocks.
Red Hat gives JBoss stronger network management capabilities
The recently released JBoss
Operations Network (ON) 2.0, a Java Enterprise Middleware management application enables
monitor network health and fine-tune or restart servers remotely. In addition to offering better
application performance and get greater flexibility in resource deployment, the new tool signals
Red Hat's effort to move JBoss into mission-critical applications.
Firm dumps MySQL on Red Hat for Oracle Database on Oracle Linux
As its industry shifts toward fee-for-service business models, one pharmaceutical technology
consulting firm chose to migrate from MySQL on
RHEL to Oracle Database on Oracle Enterprise Linux to accommodate a Software as a Service offering.
ipcrm in RHEL 4
Bernard Golden identifies and addresses the potential problem when the ipcrm
command acts dysfunctionally.
Oracle on RHEL 5
Oracle is a dynamic tool for
database management. With screenshots and code excerpts, Ken Milberg guides the reader through the
steps and best practices for installing and configuring this high-powered software.
Comparing database management options
The difference between database management softwares Oracle on Linux and CentOS is not great, but
here is one: Oracle claims to fix RHEL bugs before the RHEL team even finds them, while CentOS
takes the lead in Red Hat troubleshooting.
LAMP with SUSE or Red Hat? Sizing up server upgrade options
A Linux integration, migration and administration expert directs a reader through the decision to
upgrade to either SUSE or RHEL, with specific advice for those whose server-size requirements are
undefined. A demonstration with screen shots assesses server size needs, and memory and static
versus dynamic content needs are also discusssed.
RHEL 5's KVM vs. Feisty Fawn's KVM
Ubuntu expert Andrew Kutz details support options for the Ubuntu server. As you consider the
myriad options, weigh support and other specific needs.
RHEL 5 trots out new security offerings
At Red Hat Summit 2008, the company announced Red Hat Enterprise Identity, Policy and Audit (IPA),
designed to manage identity, policy and auditing of physical and virtual machines, and to meet
compliance regulations and reduce security risks.
RHEL 5 improves SELinux hosting
With its increased support in RHEL 5, Security Enhanced Linux (SELinux) has become
a more attractive security option for RHEL administrators, who can now benefit from tools like SELinux
Troubleshooter, which identifies and fixes system errors. This tip outlines some of the
increasingly sophisticated features of SELinux.
SELinux friendlier than ever in new release
SELinux has matured. But factors such as
its alienating complexity have constrained the extent to which administrators will deploy it. With
a new set of features, SELinux may now be easier to manage.
Securing RHEL 5 ports
A Linux security expert details several ideal options for keeping track of open ports on RHEL 5.
Among them is hardscan, a software that manually checks port integrity instead of collecting
information gathered automatically by the operating system.
This was first published in June 2008
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