August 2009
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August 31, 2009
31
Aug'09
Should you pay for support on all Linux servers in your data center?
Free Linux distributions are gaining popularity, but choosing whether to adopt paid or free Linux depends on your support staff's level of expertise and the workloads you expect the Linux distro will handle. Continue Reading
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August 31, 2009
31
Aug'09
Are you wasting disaster recovery budget to avoid employee inconvenience?
It's common for IT to over invest in disaster recovery, even after conducting a business impact analysis. According to a DR expert, one of the most common mistakes when determining DR objectives is trying to avoid inconvenience to employees at high ... Continue Reading
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August 31, 2009
31
Aug'09
How to identify and remediate data center hot spots
Data center hot spots can cause equipment failure and system outages. Find out how to identify the source of data center hot spots and how to fix the problem in this tip. Continue Reading
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August 27, 2009
27
Aug'09
Troubleshooting Logical Volume Manager boot problems
If Logical Volume Manager (LVM) boots incorrectly, logical volumes are inaccessible and you can't manage server disk space. In this LVM how-to, we offer some simple steps to troubleshoot boot issues with LVM. Continue Reading
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August 24, 2009
24
Aug'09
Uptime Institute opens data center availability tiers
Uptime's is ready to update its tier system, which has been the de facto standard for data center availability. But will the changes address criticisms that existing tiers were outmoded and rigid? Continue Reading
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August 24, 2009
24
Aug'09
Data center humidity levels source of debate
Keeping your data center humidity at the right level can prevent system failure, but at what cost? Continue Reading
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August 24, 2009
24
Aug'09
Using ITIL to bridge the IT-facilities gap, boost data center efficiency
True data center energy efficiency can't become a reality until the IT and facilities departments communicate effectively about available data center resources. ITIL best practices provide a framework that can help bridge the IT-facilities gap and ... Continue Reading
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August 19, 2009
19
Aug'09
How mainframes fit into cloud computing
Al Williams, an IT director at Penn State and conference director at IT user group Share, discusses his organization's foray into the cloud, and how mainframes might fit in. Continue Reading
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August 19, 2009
19
Aug'09
Novell vs. Red Hat: How their Linux strategies affect your data center
The leading data center Linux distributions -- Novell's SUSE Linux Enterprise Server and Red Hat Enterprise Linux -- are similar, and choosing the right Linux distribution can depend more on the provider's business direction. Continue Reading
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August 18, 2009
18
Aug'09
CentOS users remain faithful despite developer shakeup
CentOS users shake off concerns sparked by the reclusive ways of a key CentOS figure and say the OS is poised to move on with or without Lane Davis. Continue Reading
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August 18, 2009
18
Aug'09
IBM z/OS 1.11 preview: New features and functions
IBM will release z/OS 1.11 in September and promised improvements include simplified system administration and more memory above the 4G bar. This tip explores which new features and functions to expect in version 1.11. Continue Reading
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August 17, 2009
17
Aug'09
Linux provisioning automation with Cobbler
Learn how to set up and run, Cobbler, an install and provisioning server. It holds OS images and manages PXE booting, network configuration and deploys and installs them. It supports a wide variety of platforms including Red Hat, Ubuntu, Debian, ... Continue Reading
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August 14, 2009
14
Aug'09
Four ways to extend data center UPS battery life
Proper purchase, maintenance, monitoring and use of flywheels are four ways for data center managers can keep UPS batteries juiced a bit longer. Continue Reading
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August 14, 2009
14
Aug'09
Tips for implementing IT Service Management in a down economy
Data center budgets are tight during a recession, but this economic downturn is a great opportunity for IT process improvements. Implementing a CMDB and ITIL can help reduce costs and improve IT services. Continue Reading
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August 13, 2009
13
Aug'09
Air-side and water-side economizers in the data center
What are air- and water-side economizers, and why are they crucial to data center energy savings? IBM distinguished scientist and former ASHRAE chairman Roger Schmidt explains the pros and cons of air-side and water-side economizers. Continue Reading
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August 11, 2009
11
Aug'09
How to fix master boot record partition table problems
The master boot record partition table allows you to access information on your server. Sander van Vugt walks you through how to recover partition tables on your Linux server or desktop starting with the rescue CD, using gpart and fdisk. Continue Reading
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August 10, 2009
10
Aug'09
Migrating infrastructure from Unix to Linux
Unix-to-Linux migration expert Ken Milberg describes how virtualization, support, clustering and more fit into the migration of an IT infrastructure to Unix. Continue Reading
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August 10, 2009
10
Aug'09
How to choose the right uninterruptible power supply for your data center
This tip discusses how to choose the right-sized uninterruptible power supply (UPS) for your data center. It also explains common mistakes in UPS sizing and why UPS power ratings can be so confusing. Continue Reading
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August 10, 2009
10
Aug'09
Five Linux commands you have (probably) never heard of
Learn about five of the more rarely used Linux commands (logsave, diff3, pstree, nl and split) that are useful, with a description of each command's flags and options. These commands work well for file management, tracking, and output and process ... Continue Reading
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August 07, 2009
07
Aug'09
Why SunGard uses flywheel UPSes in its data centers
For its data centers, SunGard has chosen flywheel uninterruptible power supplies. A SunGard executive explains why the company chose flywheels over battery-based backup. Continue Reading