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Getting started with Oracle on Oracle Unbreakable Linux
Even if Oracle Unbreakable Linux is not much different from Red Hat Enterprise Linux, it might still have more to offer enterprise administrators running Oracle's database application. Learn more a...
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Reducing Windows desktop TCO
IT managers who make the Windows desktop environment a high priority can grow the business -- instead of making it a cost center.
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Monitoring CPUs to boost Linux server performance
A taxed CPU may undercut server performance. But fine-tuning Linux servers with a few simple commands may provide a remedy to lagging servers.
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Automate Linux system management with Puppet
Puppet makes system administration system administration easier, with automated processes and reporting on Linux and Unix systems. Get up and running with this guide to Puppet installation and conf...
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Managing hardware RAIDs with Adaptec and Ubuntu
Manage disaster recovery (DR) by monitoring hardware RAIDs with Adaptec Storage Manager 64-bit on Ubuntu Linux 64-bit. This tip explains how to ensure the stability and validity of your servers' st...
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Linux inspires Windows Server 2008 security
With the impending release of Windows Server 2008, a central question is whether Microsoft has resolved nagging security concerns, or Linux will remain the more secure platform.
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Configuring Xen HA with Heartbeat for SLES
A Heartbeat cluster with SUSE Linux Enterprise can be used to support virtual machines. Get instructions for creating a SAN for high availability storage for Xen from an expert.
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Setting up MySQL replication for Linux server clusters
MySQL facilitates Linux server clustering for load balancing and fault tolerance. Create a master/slave configuration with full data replication using the commands in this tip.
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Protecting against the elusive Linux virus
Do viruses pose a significant risk to Linux systems? Expert James Turnbull suggests how enterprise managers should spend their security dollars.
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Linux systems administration shifts with IT advances
Linux technologies such as HAL, LVM, SELinux have changed the landscape of systems administration, says Richard Petersen, author of Linux: The Complete Reference.
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Oracle on RHEL 5: Installation and configuration
Install and configure Oracle 10 on RHEL 5. This tip shows how to set up a database with Oracle's Database Configuration Assistant (DBCA) and Oracle Enterprise Manager.
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Splunking with VMware and syslog on Linux
Analyze log files for VirtualCenter tasks and events with Ubuntu Linux and Splunk. Our expert walks you through download, installation and configuration of this handy application and shows you how ...
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Linux security: 2007 in review
2007's top Linux security news concerned Snort, PHP, Samba, Xen, Sourcefire, storm bot and more. Here's Linux security expert James Turnbull's 2007 round-up.
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Creating a VPN appliance with Ubuntu and Openswan
Make an enterprise-ready, scalable VPN appliance on Ubuntu Linux via Openswan with this expert's instructions.
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Secure networks with SELinux
This chapter on SELinux shows how to protect Linux at the system level. From 'Linux: The Complete Reference,' the chapter covers the basics of network security such as domains, roles and policies a...
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Red Hat Enterprise Linux 5 on IBM System p
Install and configure Red Hat Enterprise Linux on an IBM System p. Expert Ken Milberg shows you how with packages and tools that will allow you to get the most out of your Power system.
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SUSE Linux Enterprise troubleshooting: Fixing boot prob
Having a problem booting SUSE Linux Enterprise on your server? It may be that you have a problem with your initial RAM disk. Expert Sander van Vugt troubleshoots the problem with this step-by-step ...
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Using grep and sed to find and replace
Learn how to use grep and sed to search for a string of text within a file and to replace a string.
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Security face-off: Red Hat's SELinux vs. SUSE AppArmor,
While Red Hat seems to have cornered the SELinux market, SUSE is hoping AppArmor will be an attractive alternative. Other distributions are offering their own SELinux deployments. Expert Ken Milber...
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Security management from 'OpenSUSE Linux Unleashed'
In this chapter excerpt, author Michael McCallister shows you how to set up user accounts and how to manage groups that work together.
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Optimize system performance with Linux cgroups
The Linux cgroups feature lets you make a profile to manage resources to keep your system under control.
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Correct a GRUB error in short order
A GRUB error will stop a Linux server cold, but following these steps should get you back on track.
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Setting up a mirrored Linux DRBD configuration
Administrators can use the distributed replicated block device (DRBD) in Linux to set up basic data redundancy to connect the storage of multiple servers.
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Tune the Linux Ext4 file system for optimal performance
While Ext4 by default works fine for most people, follow these tips to tweak your servers to squeeze out even more speed.