Essential Guide
Essential guide to Linux in the enterprise
Systems administrators need to fine-tune and monitor their Linux system to ensure performance, whether Linux is the preferred OS in the on-premises data center, in the cloud or on a mainframe.
1Linux management essentials-
Helpful administrative tools for Linux in the enterprise
Successfully managing and monitoring multiple systems can be difficult without the right tools. Here are a few tips about Linux management tools and ways to set up your IT shop for success.
Graphical monitoring and management with RHEL
Use the learn gnome-system-monitor command on Red Hat Enterprise Linux to monitor and manage processes on your server in a graphical environment. Continue Reading
Exploring an open source monitoring system for Linux
Alan Robertson discusses how his Assimilation Monitoring Project may bring about the demise of the "Monitoring Sucks" movement. Continue Reading
SELinux management for business security
The SELinux framework isn't part of every Linux distribution by default, so to use Security Enhanced Linux on SUSE, you've got to do some tweaking. Continue Reading
How to set up Zabbix for Linux monitoring
Systems administrators who need to monitor nodes can use the open source monitoring tool Zabbix to gauge the network's health. Continue Reading
Setup for standard high-availability Linux software
Learning to set up a basic Linux HA cluster using Corosync and Pacemaker can help protect vital services in the event of a hardware failure. Continue Reading
Commands for fixing some SELinux virtualization issues
Here's how to solve the problems when trying to access files via a virtual machine in SELinux. Continue Reading
2Linux as a link to the cloud-
Lifting Linux workloads off-premises
Considering a switch to a cloud-based data center? Public cloud providers support Linux, which is a relatively low-cost option compared to other OSes. The flexibility of Linux also appeals to many enterprise IT shops looking to make their environments more agile. It's not all positive, however. There are some cons to using Linux in the cloud.
Windows Azure, Hyper-V support Linux-based databases
Oracle databases could only be virtualized with VMware until now. Windows Azure and Hyper-V shops can now run Oracle databases in their cloud or virtual environments. Continue Reading
Linux network OS provides cloud-friendly foundation
Cumulus Networks uses Linux as an operating system for bare-metal switches that are cheaper and easier to automate than traditional switching. Continue Reading
For cloud computing, Linux is a good fit
Linux has gained some enterprise traction as an open source OS option, but Microsoft Windows holds the lead. Could cloud be the key to Linux acceptance? Continue Reading
Canonical, Red Hat on the list of top open source cloud platforms
Success of several open source cloud providers hinges on whether OpenStack cloud is production-ready. How do Eucalyptus, Red Hat and others stack up? Continue Reading
Cloud's control issues may spell trouble for older Linux versions
To construct increasingly portable cloud applications, more appropriate application architectures and open cloud standards are a necessity. Continue Reading
Not all cloud licensing is the same, but Linux is cheaper
Cloud licensing models can be complex, limiting and aggravating. Don't get trapped with the wrong license. Continue Reading
Download: Data center terminology that will get you hired
When it comes to data center job interviews, rattling off common DevOps and automation terms won’t get you far – you must establish your knowledge of IT infrastructure scalability and resiliency, as well as culture and business to really impress. Download this COMPLIMENTARY Data Center Terminology guide to learn how to ace your next interview.
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3Linux on the mainframe-
Breathing new life into big iron
Mainframes are still viable in the data center, thanks in part to added Linux operating system support and other open source software options. Follow these tips for making a mainframe more nimble with Linux and updating legacy applications for modern development.
Linux processors belong on the mainframe
Thinking about Linux on distributed servers? Think again. Put Linux on the mainframe and you'll see fast, secure, and cheap results. Continue Reading
Faceoff: Linux on z vs. other server distributions.
Should you deploy Linux on the mainframe? See what the pros say about Linux mainframe and decide if it's right for your IT shop. Continue Reading
No z/Linux, no problem
Despite the pros of Linux on System z mainframes, the cons might steer you team towards other server distributions. Continue Reading
Tips for Linux and z/VM on mainframes
Mainframe expert and z/VM systems programmer sees continued growth for Linux in evolving mainframe environments. Continue Reading
Open source software and Linux for mainframes
Administers struggling to keep costs down can turn to emulators or open source software for mainframes to curtail some expenses. Continue Reading
Agile development with Linux on the mainframe
Cutting the time to fix bugs and release new versions with agile development on mainframes offers a variety of benefits. Continue Reading
IBM zEC12 mainframe supports Linux, leaves room for the cloud
Through improved processing speed and reduced costs, IBM's new zEnterprise mainframe hopes to turn hybrid cloud customers' heads. Continue Reading
Modernize legacy mainframe applications with Linux
Mainframe application modernization, re-engineering or distributed integration can maintain support for business-critical applications. Continue Reading
4Linux Quiz-
Test your Linux skills with this quiz
Admins new and old can learn some new Linux tricks. Find out what you know when it comes to Linux installation, monitoring and management.
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