Welcome to SearchEnterpriseLinux.com's Red Hat Enterprise Linux guide. Here's a comprehensive resource for getting started with the commercial Linux distribution. Whether you're a Unix or Windows administrator looking to migrate to Linux or you're already familiar with Linux and you want to try something new, we have the necessary information on Red Hat networking, administration, helpful Red Hat tools and more. If you think there's something we missed or there are other topics you'd like to see covered, send us an email.
-- the Editors
Reviewing Red Hat Enterprise Linux 4
RHEL4 vs. Debian
Linux cluster and server expert Don Becker evaluates the cost-effectiveness of choosing cheaper support over quality.
Red Hat admin advice: How to keep users in check
Being a Linux admin is a lot more fun than being in charge of Microsoft Windows, says consultant Mark Sobell, author of A Practical Guide to Red Hat Linux. Here's why, along with tips on user admin and under-used tools.
RHEL4 administration tools: ifconfig, arp, tcpdump and iptraf
Master network integration in your existing RHEL4 infrastructure with the use of command-line tools like ifconfig, arp, tcpdump and iptraf.
Getting started with RHEL4's built-in LVM tools
You can impress your Unix admin friends while making your life easier using RHEL4's built-in Logical Volume Management tools.
Patch work management: Keeping the pieces together
In this tip, an IT pro debunks the myth that configuration errors are the source of many problems in patch management and tells how to get the most out of Red Hat support.
A tour of the Red Hat Directory Server
Get an overview of the Red Hat Directory Server installation, setup and configuration process.
Red Hat Network tour
Take a tour of Red Hat Network 4, hear about its best features and get some configuration advice in this tip.
ZENworks vs. Red Hat Network: Cost vs. flexibility
When it comes to Linux managment tools, Novell's ZENworks may be cheaper, but Red Hat Network offers greater flexibility and Solaris support, says consultant Ken Milberg.
Setting up a network with Red Hat Enterprise Linux 4.0
Learn the basics of Linux networking tasks, like backing up configuration files, and progress to spoofing MAC addresses and subinterfacing using Red Hat Enterprise Linux 4.0.
Installing, configuring firewalls, packet filtering in RHEL4
Unix-Linux migration and integration expert Ken Milberg explains how to install and configure a firewall on Red Hat Enterprise Linux 4.
Troubleshooting, finding lost files in Linux servers
Just because a server crashes doesn't mean your data is lost forever. Find out how to retrieve your data from damaged Linux server environments where ext3 is used.
A tour of Red Hat Certificate System
Learn how the Red Hat Certification System provides an enterprise solution for managing user identities and ensuring privacy.
Securing GRUB on Red Hat Enterprise Linux
Keep your Red Hat server safe from attackers by securing your GRUB boot loader with a password that will prevent unauthorized access to your hosts after a reboot.
Think before deploying Security-Enhanced Linux in RHEL 4
One of the most exciting new features in RHEL v.4 is the implementation of Security-Enhanced Linux. In this tip, Ken Milberg looks at how you can use it to beef up system security.
Passphrases instead of Passwords on Red Hat
Passwords may not be the perfect security control for corporate environments, because they are so easily tackled by attackers. Passphrases may provide a better solution, says James Turnbull in this tip, and Red Hat already includes the capability to use passphrases.
Scanning and virus protection on Red Hat
Security expert James Turnbull recommends resources for securing the Red Hat OS against viruses.
Altering security attributes under SELinux
Security expert James Turnbull explains where to find the policy files for Red Hat's SELinux if you want to alter the attribues of an object.
Kickstart your Linux security by avoiding garbage installations
Unnecessary packages on servers pose a security risk, because their processes can be hijacked by hackers. But if you use Kickstart, you can customize your installations without costing yourself loads of time.
Account locking for Linux via PAM
Discover how to configure account blocking on a Red Hat host with PAM and prevent a potential denial-of-service attack caused by repeated locking of user accounts.
Sealing Red Hat security gaps with open source security tools
Find out how Red Hat Linux users can blow up hackers and intruders with TripWire, Nessus and Snort.
Enterprise redundancy using VRRP
Get started using Virtual Router Redundancy Protocol (VRRP), a standard used in enterprise environments where routing redundancy is necessary for host stations. VRRP can provide additional availability to help reduce router failure on your Red Hat Linux network.
RHEL4 and Windows integration using Samba-3
Follow Ken Milberg as he sets up Samba-3 on RHEL4 server, so that clients can access file and print services like Wintel servers.
Installing Red Hat and SUSE Linux on the same machine
A desktop expert recommends specific space requirements for installing two Linux distros on the same machine.
Migrating Microsoft Internet Information Server to Apache on Red Hat Linux
If you're moving to Apache server from Microsoft Internet Information Server, be aware that this migration involves more than just copying files. In this tip, users will learn how to move a site from IIS to Apache on Red Hat.
Transferring data from a Unix SCO server to Red Hat Linux 3.0
Unix-Linux expert Ken Milberg describes how to port apps from a Unix SCO server to Red Hat Linux 3.0.
Migrating the domain controller to Linux
Find out why Red Hat Domain Server beats out Windows NT Domain Controller when migrating the domain controller to Linux.
Installing Oracle10g on RHEL4
Ken Milberg describes how to install an Oracle Database 10g Release 2 (10.2.0.1.0) Enterprise/Standard Edition for x86 on a server running RHEL 4.0.
Touring RHEL 5 Beta 1: New features make upgrades tempting
IT administrator and Linux veteran Curtis Smith conducts a tour of the new RHEL 5 Beta 1, unveiling improvements in scalability, performance and more.
Upgrading to RHEL5: Considering virtualization, server consolidation
For IT managers, the importance of virtualization and server consolidation will determine whether an upgrade to RHEL5 is a good idea or not.
Red Hat Enterprise Linux 5: All about Xen
It's no secret that Red Hat Enterprise Linux 5 has Xen built in. But what some users might not understand is just how much of an impact paravirtualization will have on Linux in the data center.
Author dishes on SELinux enhancements to RHEL5
The reason SELinux is complex is because Linux is a full-featured OS that requires it, said one expert. The next version of Red Hat Linux aims to simplify things with out-of-the-box policy modules that can ship with an application.
New Directory Server capabilities coming in RHEL5
RHEL5 will increase identity management features in Red Hat Directory Server to build up security while easing administration hassles, says Red Hat's Mike Ferris.
Symantec supports Red Hat Enterprise Linux 5, Xen
With RHEL 5 officially out, Symantec pledged to support it with its storage and clustering applications, plus extended its Storage Foundation suite to Xen virtualization.
Using YUM in RHEL5 for RPM systems
An expert discusses using YUM (Yellowdog Update Modifier) in Red Hat Enterprise Linux 5 for updating, installing, removing and maintaining RPM packages.
Introduction to Red Hat Enterprise Linux
