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Puppet (configuration management)
Puppet is an open source systems management tool for centralizing and automating configuration management. Definition
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Use Kickstart to automate a Red Hat Enterprise Linux OS installation
Sysadmins who want to streamline Red Hat Enterprise Linux OS installation can use a modified Kickstart file by following these tips. Tip
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Resource allocation with Linux cgroups helps optimize performance
The Linux cgroups feature lets you make a profile to manage resources to keep your system under control. Tip
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Linux DRBD saves you from costly SAN deployments
Avoid pricey storage area network (SAN) devices and synchronize data with DRBD, a powerful — and free — software component available in Linux. Tip
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Search and replace on steroids: Do more with these sed commands
These tips can help administrators help themselves through advanced text editing with the UNIX Stream Editor (sed) utility. Tip
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Five questions on Linux and z/VM OS for mainframes
Mainframe expert and z/VM systems programmer sees continued growth for Linux in evolving mainframe environments. Feature
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British ISP deploys open source virtualization
JT Global is marching to the beat of its own drummer with open source software, including Ubuntu virtual machines, ConVirt virtualization management software, and a unique approach to VM clustering. News
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Managing Red Hat using the graphical Service Configuration tool
The Red Hat Service Configuration tool is used to start a service that hasn't been started, or to make sure a service starts automatically at the moment your server boots. Tip
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Managing Red Hat Enterprise Linux network settings using NetworkManager
Red Hat Enterprise Linux includes a graphical network management application called NetworkManager that can be used to set network connections instead of using the command line. Tip
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Using open source tools to monitor Apache Web Server performance
Much of today’s business relies on smooth operation of Web servers. Explore these three open source tools to monitor performance, security and traffic on Apache Web servers. Tip