Category: Enterprise

Certified Engineer

In this article we will talk about RHCE prerequisites. For the RHCE and RHCT exams, the skills outlined in this article are generally minimum requirements. For example, while you may prefer to use an editor other than vi, you may not have access to the GUI, and therefore need to know how to use a […]

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Cluster installation video

Directory Server 8.1 is comprised of several components, which work in tandem: • The Directory Server is the core LDAP server daemon. It is compliant with LDAP v3 standards. This component includes command-line server  management and administration programs and scripts for common operations like export and backing up databases. • The Directory Server Console is […]

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Upstart, RCs Scripts, and Services

If you haven’t installed a new version of Linux lately, you might be in for a shock. There is no /etc/inittab configuration file in Ubuntu releases. Upstart, the replacement for the System V init program, is designed to meet the demands of the latest plug-and-play hotplug environments. During the boot process, Upstart is especially helpful […]

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PXE Booting

Most modern systems include some sort of network boot card and a BIOS that can take advantage of that capability. As a wide variety of options are available from the boot menu, they are not all described here. If available, the option should be listed in your computer’s hardware documentation. If the PXE environment is […]

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Configure DHCP

A DHCP server automates the network configuration process for clients. In detail, DHCP allows a Linux computer to serve dynamic IP addresses. It supports the configuration of a range of IP addresses and allows you to reserve a specific IP address, based on the hardware address associated with a client’s network card. It can assign […]

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KVM Red Hat Enterprise Linux

Red Hat announced a few months ago the release of Red Hat Enterprise Linux 5.4, a new major point update of the company’s popular commercial Linux distribution. This version introduces official support for KVM and marks an important milestone in Red Hat’s gradual transition away from Xen. KVM, the Kernel-based Virtual Machine, is an open […]

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RAID Levels

RAID is an acronym first defined by David A. Patterson, Garth A. Gibson, and Randy Katz at the University of California, Berkeley in 1987 to describe a redundant array of inexpensive disks,[1] a technology that allowed computer users to achieve high levels of storage reliability from low-cost and less reliable PC-class disk-drive components, via the […]

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The BIOS Initialization Sequence

A basic understanding of the BIOS is a fundamental skill for all serious computer users. While many modern computers allow you to boot directly from the media of your choice, such as an RHEL 5 installation CD or a rescue USB key, that may not be possible during your troubleshooting. Therefore, you need to know […]

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