Guide
Continuously Optimizing IT in Financial Terms
CHALLENGES: Virtualization and increasingly complex agile computing environments are creating difficulties for IT financial controllers and for IT Financial Management (ITFM).
Virtualization breaks the long-standing direct, one-to-one correlation between cost-allocated physical hardware and the IT services it supports. Increasingly dynamic, multi-layered applications have made it more difficult...
Guide
Download "Childhood's End: Attackers Increasingly Take Aim at Linux Systems"
Like the wide-eyed humans who mistakenly trust their benevolent alien overlords in Arthur C. Clarke’s science-fiction classic, Linux users the world over are beginning to awaken to the reality that their malware- free utopian childhood is rapidly coming to an end.
A startling increase in malware, ransomware and malicious code targeting Linux systems of all shapes and sizes since 2015 means the...
Guide
Download "IBM i Security and Integrity Monitoring Handbook"
Data breaches increase in number and severity every year. Putting barriers in place to stop attackers is an important part of any data protection plan, but barriers alone aren’t enough.
Today’s top IT profressionals know that verifying the effectiveness of cybersecurity controls is critical. After all, most breaches go months before they’re discovered.
Monitoring your security and regularly...
Guide
DevOps Development: Keeping the Lights On
Overview: The DevOps methodology embodies two core philosophies: decreasing the lead time of software deployment and the automation of delivery and testing. DevOps emerged as a practical response to the agile development movement, in contrast with traditional, phase-based or “waterfall” development, which is inefficient and labor-intensive. Traditional methods should be phased out, and companies...
Guide
Our Privileged Access Management Solution - Your Sudo Replacement
Learn how to reduce the risk of insider fraud, streamline regulatory compliance, and greatly reduce administration efforts with an effective privileged access management solution.
Guide
Dashboards Don't Work (Unless You Have a Metrics Management Strategy)
Tech has had a tremendous impact on the way today’s businesses seek continued growth and improvement. No matter what business they are in, executives everywhere are investing in technology that improves their business processes, gets them ahead of the competition and widens their margins. Ultimately, the return on that investment is determined by how well technology supports a business’ ability to...
Guide
Anti Malware for Linux, AIX, and IBM i Servers
When Malware Attacks Your IBM i, AIX, and Linux Servers Guide
Malware and ransomware attacks have increased, halting day-to-day operations and bringing organizations to their knees. Businesses know anti malware is essential to protecting PCs from malicious programs, but many don’t realize the value of server-level protection until the damage is done.
This guide examines the real-world...
Guide
Health and Risk: A New Paradigm for Capacity Management
Capacity management, considered by top analyst firms to be an essential process in any large IT organization, is often so complex that in today’s accelerated business world it cannot be effectively implemented. Changing priorities, increasing complexity and scalable cloud infrastructure have made traditional models for capacity management less relevant. A new paradigm for capacity management is...
Guide
How to Manage IT Resource Consumption
At an application level with Vityl Capacity Management
In this guide, John Miecielica of Metavante, provides a step-by-step example showing how he uses Vityl Capacity Management to analyze IT resource consumption at an application level. This key capability is especially important in today’s environments where multiple applications run on a server or multiple servers might be required to...
Guide
Commercial Clusters and Scalability
In this paper we present an introductory analysis of throughput scalability for update intensive workloads (such as measured by the TPC-C or TPC-W benchmarks) and how that scaling is limited by serialization effects in the software-hardware combination that comprises any platform.
Guide
UNIX Load Average Part 1: How It Works
In this online article Dr. Gunther digs down into the UNIX kernel to find out how load averages (the “LA Triplets”) are calculated and how appropriate they are as capacity planning metrics.
Guide
UNIX Load Average Part 2: Not Your Average Average
This is the second in a two part-series where we explore the use of UNIX load averages in performance analysis and capacity planning.
Guide
UNIX Load Average: Reweighed
This is an unexpected Part 3 to the discussion about the UNIX load average metric answering the question of where the weight factor comes from.
Guide
How to Get Unbelievable Load Test Results
This article is about delusions that arise from incorrect interpretation of load test measurements.
Guide
Capacity Calculations: Handle with Care
This paper discusses avoiding calculation results that are more precise than is justified by precision of corresponding measurement input data.
Guide
Evaluating Scalability Parameters: A Fitting End
This is the final online article concerning the concept of application scalability. Here, you will learn how to determine value of the parameters that control scalability.
Guide
The “LA Triplets” Quiz
This is a little quiz to test your understanding of the triplet of numbers that appear in the UNIX® load average (LA) performance metric.