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Weighing Linux server consolidation tools
Choosing the best Linux server consolidation software for your data center hinges on factors other than cost. This tip compares Novell's PlateSpin, HP and VMware's Capacity Planner in terms of your data center requirements. Tip
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Five Linux performance commands every admin should know
Managing performance on Linux systems can be made easier with a few commands. Learn how to use five commands: top, vmstat, iostat, free, and sar to manage performance on your Linux server. Tip
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Enterprise Ubuntu Linux server monitoring and management made easy with Landscape 1.5
Canonical's Landscape 1.5 released with Ubuntu 10.04 features group server management and automated alerts to ease the regular tasks of a Linux admin. The paid service provides these additional management tasks beyond regular management and monitorin... Tip
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Five things you didn't know Bash could do on Linux
Bash offers a lot of tools to Linux admins, and it may take you years to get a handle on all the useful ones. Learn five lesser-known Bash scripts for your Linux systems including extended globbing, cdspell shell options, improved Bash history, inter... Tip
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Using libguestfs to easily access Linux virtual machine file systems
Libguestfs is a library on Linux that helps you access and modify virtual machine disk images. You can then run Linux commands and troubleshoot the machine image from the libguestfs shell or host operating system. Learn how to navigate libguestfs, an... Tip
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Using Clonezilla for simplified Linux server disk cloning
Using the open source tool Clonezilla can save Linux administrators time when performing the common task of cloning Linux machines. Learn how the tool works and what options and configurations are supported and available. Tip
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Fixing Linux I/O write performance problems
Learn how to optimize your Linux server for I/O writes by adjusting I/O scheduler settings and journaling settings along with some advice about partition set-up. Tip
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Analyzing Linux write performance problems with iotop
Write performance on a Linux system may be causing a performance problem, and iotop shows you how the write processes are affecting I/O and storage. The iotop Linux command is more informative than top for determining the cause of the Linux server pe... Tip
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Patching running Linux kernels on servers with no reboot using Ksplice Uptrack
Ksplice Uptrack keeps Linux servers up-to-date with recent kernel security patches without rebooting, saving time and reducing down-time for mission critical production servers. Learn how the tool works and hear about a Linux-based hosting provider t... Tip
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Linux cloning over the network using netcat
Use netcat to clone Linux images over the network onto multiple servers with a series of simple Linux commands including tar, tee, and dd. This alternative to tools like Clonezilla does not require setting up a separate server. Tip