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Data center server infrastructure and OSes

• How do I protect my OS with Linux security features?

  Linux has a security framework with multiple layers, which makes it hard to maintain permissions and privileges. User-based profiles and whitelisting can help you oversee OS access and give you peace of mind. Continue Reading

• Ten Linux process management commands that simplify admin workflows

  If you work in Linux, chances are you have to do some process management. Here are some commands to simplify that workflow. Continue Reading

• Easily read a log file in Linux with command-line tools

  Depending on the specific Linux distribution you use, there is a variety of commands to help you locate, read and search log files within related program components. Continue Reading

• Can multiple mainframes share IBM tape storage?

  I want to share a tape drive between the IBM System z mainframe and other IBM systems. Are there prerequisites for tape drive sharing? Continue Reading

• Is Building a Private Cloud Worth the Effort?

  Is an internal private cloud more trouble to build than it’s worth? Continue Reading

• How to install Webmin and ease data center server management

  In this introduction to Webmin, learn how the tool can make it easier to manage Unix and Linux servers in your data center. An expert describes how to install Webmin and get started with this free systems management tool.Continue Reading

• Top mainframe tips of the past year

  This useful compilation of mainframe tips from the past 12 months approaches topics such as successful mainframe migration strategies and IBM z/OS 1.12 features.Continue Reading

• Q&A: Mainframe costs, skills are two biggest challenges

  CA mainframe chief Chris O'Malley will give a keynote speech at the Share user group show in Denver this month, and talked about the hurdles mainframers face today.Continue Reading

• Consider cost-effective mainframe upgrades in down economy

  Organizations typically defer software and hardware upgrades during a down economy, but cost-effective mainframe upgrades can pay back in a year or less and can be key to your company's competitive advantage.Continue Reading

• IBM mainframes still have room for improvement

  IBM Mainframe columnist suggests areas for IBM and ISVs to improve the mainframe: Better automation, improved maintainability and more innovation on virtualization.Continue Reading