Application Maintenance on Production Systems
In this resource center, access advice and tutorials about application maintenance, covering such topics as problem discovery and troubleshooting applications, mapping app dependencies, ensuring security throughout the application lifecycle and more.
Top Stories
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News
11 Feb 2022
Observability data finds its way into BizDevOps
The digitize-or-die catalyst of the COVID-19 pandemic forced enterprises toward BizDevOps, and IT observability data has begun to inform cooperation with business users. Continue Reading
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News
10 Feb 2022
Dynatrace hands observability-as-code reins to DevOps
Dynatrace expanded observability-as-code tools to let developers and DevOps engineers determine how production services send feedback via a self-service interface. Continue Reading
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News
12 Nov 2019
Aqua Security buys CloudSploit, expands into cloud security
Amid consolidation and chaos in the cloud security market, Aqua snaps up CloudSploit and sets the stage for increased competition with traditional IT security vendors. Continue Reading
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Tip
12 Nov 2019
A GitOps workflow won't benefit every IT organization
A move to GitOps is a major transition for an IT team and offers a wealth of perks, but it also carries significant challenges and a steep learning curve. Continue Reading
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Tip
11 Nov 2019
5 steps to evaluate and perform a service mesh implementation
Service mesh adoption is a long process that starts with careful evaluation of the technology and its deployment models. And that requires the involvement of both IT ops and dev teams. Continue Reading
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Tip
11 Nov 2019
Import and export Hyper-V VMs with Hyper-V Manager and PowerShell
When migrating VMs, admins can use Hyper-V Manager's export and import capabilities for small sets of VMs or PowerShell for larger migrations from one host to another. Continue Reading
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Tip
11 Nov 2019
Types of Hyper-V scheduler for simultaneous multithreading in VMs
Hyper-V's classic and core schedulers both enable use of simultaneous multithreading in VMs, but the core scheduler prevents VMs from ever reserving an entire CPU core. Continue Reading
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News
08 Nov 2019
Microservices security calls for zero-trust, data classification
Sanity in a zero-trust world for microservices security calls for IT teams to prioritize the assets they must protect, and that starts with data classification. Continue Reading
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Tip
07 Nov 2019
Capitalize on the advantages of open source software in IT
Open source tools, including those for IT management, might be free, but there are broader pros and cons that might tip the scales for some enterprise buyers. Continue Reading
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Tip
07 Nov 2019
3 Kubernetes platforms for your application needs
Admins must consider their application needs when choosing a container strategy and decide between a full PaaS offering built on containers or a fully compliant Kubernetes service. Continue Reading
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Tip
06 Nov 2019
Understand how to orchestrate Windows containers with Kubernetes
Before you orchestrate your Windows containers with Kubernetes, you must install Windows Server 1809 or later and meet several other requirements. Continue Reading
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Opinion
05 Nov 2019
The true private cloud debate: Do labels matter?
The debate around authentic private clouds continues as more organizations adopt the model, but labels might not matter in the end. Continue Reading
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News
04 Nov 2019
JASK buy may boost security analytics in Sumo Logic SIEM
Sumo Logic has acquired JASK, an automated SOC that will be most useful for security analytics and alert reduction features within Sumo Logic's SIEM. Continue Reading
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Tip
04 Nov 2019
When to use Jenkins vs. Jenkins X for pipeline automation
Three primary factors -- flexibility, Kubernetes adoption and the need for a GUI -- should shape an organization's decision between Jenkins and Jenkins X as a pipeline automation tool. Continue Reading
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Feature
04 Nov 2019
Adopt an SDDC architecture with caution and proper planning
Software-defined components such as networking and storage help achieve data center flexibility, but organizations might come across product and security issues. Continue Reading
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News
01 Nov 2019
New Relic catches up in serverless monitoring with IOpipe
IOpipe's IP and expertise will help New Relic catch up with the latest serverless monitoring trends, such as AWS Lambda Layers support and event-driven frameworks. Continue Reading
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Tip
31 Oct 2019
Conduct an incident post-mortem for ongoing DevOps improvement
A thorough and effective post-mortem process can strengthen a DevOps organization -- but first, teams must be ready to dig deep and leave blame behind. Continue Reading
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Feature
30 Oct 2019
Edge virtualization tools make strides in the edge market
Vendors are cashing in on edge computing popularity, and organizations are faced with an influx of new virtualization tools that help manage the computing paradigm. Continue Reading
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Tip
29 Oct 2019
Try out the Graphite monitoring tool for time-series data
Combined with third-party tools, Graphite provides a number of benefits for IT performance monitoring. Explore its core components -- including Carbon and Whisper -- and basic guidelines for installation. Continue Reading
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Feature
29 Oct 2019
Explore SCVMM features for VM deployment and management
SCVMM can help admins better manage their virtualization stacks by providing VM networking diagrams and templates, but there are certain requirements admins must meet before use. Continue Reading
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News
28 Oct 2019
DevOps security shifts left, but miles to go to pass hackers
DevSecOps has gone mainstream as companies bake security automation into app development, but experts say the toughest cybersecurity challenges remain unsolved. Continue Reading
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Feature
25 Oct 2019
Convert a VM to a Docker image for speed and convenience
In this excerpt from Chapter 3 of 'Docker in Practice, Second Edition,' authors Ian Miell and Aidan Hobson Sayers discuss how and why to use Docker as a lightweight VM. Continue Reading
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Tip
25 Oct 2019
Prevent man-in-the-middle attacks on apps, CI/CD toolchains
Man-in-the-middle attacks pose a serious threat to both CI/CD tools and the apps those tools support. Learn how these attacks typically occur -- and how to stop them -- to do DevOps securely. Continue Reading
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Feature
25 Oct 2019
Enterprise IT weighs pros and cons of multi-cloud management
IT ops pros are getting used to multi-cloud management, especially for disaster recovery, but moving from cloud to cloud via container portability is still rare. Continue Reading
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News
24 Oct 2019
Elastic SIEM spring release will complete Endgame tie-in
Endgame agents can now send endpoint security data to the Elastic SIEM, but UI and data schema integration -- and the ability to take action on endpoints -- will come next year. Continue Reading
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Feature
24 Oct 2019
The history of virtualization and its mark on data center management
Virtualization was a huge leap in data center technology with software such as hypervisors and virtual switches that expanded organizations' capabilities and redefined IT. Continue Reading
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Feature
24 Oct 2019
Acquire best practices with this system administration handbook
Often, books published about IT are obsolete the moment they hit the shelves: modern technology moves too fast for physical publishing. However, this particular volume aims for longevity. Continue Reading
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Tip
23 Oct 2019
Perform these steps to monitor Windows Server with Nagios Core
Nagios is no newbie to the server monitoring world, but setting it up for Windows takes a few extra steps. Learn how Nagios Core, originally meant for Linux, can monitor Windows servers. Continue Reading
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Feature
21 Oct 2019
Security automation charges IT ops to build the 'paved road'
As IT ops pros evolve into SREs, they play a key role in security automation and create secure paths to production deployment for application developers. Continue Reading
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Feature
21 Oct 2019
Kubernetes use cases extend beyond container orchestration
Enterprises use Kubernetes for much more than they did when Google released the platform in 2015. Discover how Kubernetes' uses have grown, and where it might be heading. Continue Reading
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Answer
18 Oct 2019
Manage the Windows PATH environment variable with PowerShell
Among many other tasks, IT teams can use PowerShell to manage and edit the PATH environment variable. Walk through these basic steps to access, add and remove system paths. Continue Reading
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News
18 Oct 2019
Red Hat OpenShift Tekton pipelines reflect strategic platform focus
OpenShift and its competitors now offer enterprises soup-to-nuts DevOps platforms, rather than simple Kubernetes management tools, that are based on different points of strategic lock-in. Continue Reading
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Feature
17 Oct 2019
Gene Kim explores DevOps transformation in 'The Unicorn Project'
This chapter excerpt from Gene Kim's 'The Unicorn Project' touches on one of the book's core themes: Roadblocks occur when developers, ops and business leaders are misaligned. Continue Reading
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Tip
16 Oct 2019
Grasp Docker networking basics with these commands and tips
For a containerization novice, networking poses one of the biggest challenges. Use this breakdown of essential Docker networking commands and concepts, including host and bridge setups, to reduce complexity. Continue Reading
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Tip
15 Oct 2019
Windows container monitoring tools prevent resource contention
Monitoring tools for Windows containers enable admins to keep track of CPU, memory, storage and networking performance metrics and troubleshoot any issues that arise. Continue Reading
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Feature
14 Oct 2019
Kubernetes networking face-off: VMware NSX-T vs. Nokia's Nuage
VMware NSX-T and Nokia's Nuage Networks both provide Kubernetes networking functionality -- but they have important differences and resonate with distinct user bases. Continue Reading
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Tip
14 Oct 2019
Get to know Oracle Linux Virtualization Manager
Oracle released Linux Virtualization Manager, a platform that lets admins configure, manage and monitor their virtual server environments. Continue Reading
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News
11 Oct 2019
Ticketmaster unifies DevOps monitoring with Confluent Kafka
Ticketmaster troubleshoots and secures distributed applications using Kafka stream processing as a central hub for data collection. Continue Reading
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Tip
11 Oct 2019
Optimize Docker images on Windows for better system performance
Multiple layers in a Windows Docker image can cause resource contention. Optimization requires you to limit the number of layers that you use and minimize each layer's size. Continue Reading
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News
10 Oct 2019
Kubernetes on Windows nodes hits GA in Rancher, Amazon EKS
Windows host support in Kubernetes reached a milestone with general availability from container management vendors, which makes containers more accessible for legacy apps. Continue Reading
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Tip
10 Oct 2019
Match cloud application monitoring to integration needs
An enterprise's cloud migration includes several elements: a new security process, budget redistribution and a monitoring system that integrates cloud and on-premises apps. Continue Reading
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Feature
09 Oct 2019
Three keys to successful DevOps automation
An effective CI pipeline starts with build automation. But there are other steps needed to produce results. Continue Reading
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Tutorial
09 Oct 2019
How to create PowerShell modules with a Plaster template
Follow along this tutorial to create templates in Plaster, an open source tool, and accelerate the development of PowerShell modules. Continue Reading
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News
08 Oct 2019
Google sparks open source unrest over Knative, Istio
Google is keeping its Knative and Istio projects close to the vest, which could limit their reach long term, early adopters say. Continue Reading
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Tip
08 Oct 2019
Obtain, deploy and manage Oracle VM templates
Oracle VM templates, which come with a guest OS, application software and preset configurations, help admins streamline VM deployment, and they can set them up in just a few steps. Continue Reading
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News
07 Oct 2019
Docker Desktop asset, fiscal stress prompt acquisition buzz
Docker has tried to differentiate itself as a Kubernetes competitor, but amid reports of financial headwinds, it should return to its roots in the developer desktop, analysts say. Continue Reading
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Tip
04 Oct 2019
Prepare for Windows Server 2008 end of life
Admins must prepare their workloads for the Windows Server 2008 and 2008 R2 end of support. Otherwise, they risk the possibility of significant security breaches. Continue Reading
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Tip
03 Oct 2019
How does time-series analysis work in IT environments?
IT monitoring metrics are crucial for enterprises to gauge performance and plan for future events. But admins should understand the tradeoffs between a time-series and point-in-time analysis. Continue Reading
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Tip
03 Oct 2019
Heed these cloud security considerations for SaaS, PaaS
A move to the cloud lessens IT's workload responsibility, but SaaS and PaaS models each require a targeted cloud security strategy to protect applications. Continue Reading
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Feature
03 Oct 2019
5 common virtualization problems and how to solve them
Organizations can correct common problems with virtualization, such as VM sprawl and network congestion, through business policies rather than purchasing additional technology. Continue Reading
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News
02 Oct 2019
Chef outage fuels technology ethics debate
Software companies have been embroiled in high-profile ethical controversies in the past two years, driving industry debate about just how extensively politics should influence tech. Continue Reading
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Feature
30 Sep 2019
Compare 10 leading container management systems
Ready to select a vendor or open source tool to build and manage your container-based infrastructure? This roundup lays out the benefits and complexities of the many options. Continue Reading
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Feature
30 Sep 2019
6 tips to drive infrastructure-as-code best practices
Evaluating an infrastructure-as-code setup? Use these six tips to grasp IaC benefits, challenges, tool considerations and more before you make the move. Continue Reading
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Answer
30 Sep 2019
Perform a Windows event log search with PowerShell
Event log monitoring is vital to an IT environment's health and success, but finding a specific event in the flood is challenging. PowerShell enables admins to simplify this task. Continue Reading
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Tip
27 Sep 2019
Use centralized encryption methods in large-scale IT environments
Whether data is stored in a VM or in the cloud, centralized encryption key management is critical to prevent theft and protect data from unwanted eyes. Continue Reading
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Tip
26 Sep 2019
Get to know VM networking basics
Admins can create a network between isolated VMs with the help of several features and products, such as network interface cards and virtual LANs. Continue Reading
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News
26 Sep 2019
Turbonomic adds features to Application Resource Management
The new features include continuous service optimization in Kubernetes and accurate container planning to ensure that applications have sufficient resources to perform. Continue Reading
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Feature
25 Sep 2019
Assess container hosting, management options based on these criteria
A company's plans to maintain traditional data centers, move to the public cloud or adopt microservices all play a major role in its container hosting and management decisions. Continue Reading
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News
25 Sep 2019
Ansible Tower revamp adds analytics, security automation
Ansible Tower and Ansible Engine are now one product, Ansible Automation Platform, which also includes automation analytics, security automation integrations and certified content. Continue Reading
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News
24 Sep 2019
BizDevOps, DevOps feedback loops guide IT transformation
BizDevOps has been the priority for Dynatrace customer American Fidelity the last four years, guiding the company's IT priorities amid ever-increasing technical complexity. Continue Reading
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Tip
24 Sep 2019
Apply staging environment best practices to an app lifecycle
From the public cloud to blue/green deployment, there are a myriad of ways that IT teams can make the most of their staging environments -- and use resources they already have. Continue Reading
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Feature
20 Sep 2019
How to craft a future-proof enterprise container strategy
There are many ways to plan an IT container management strategy. Follow these steps to map out an enterprise's needs for container software and tools. Continue Reading
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Tip
20 Sep 2019
Server virtualization in DevOps continues to offer advantages
Virtualization's role in DevOps technologies continues to persevere by providing strong isolation, flexible OS options and an assortment of sophisticated tooling. Continue Reading
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Tip
20 Sep 2019
Add shadow IT applications to the official DevOps toolchain
Sometimes developers and other IT team members install unapproved apps to fill a gap in the DevOps toolchain. These shadow apps are risky -- but give them a chance. Continue Reading
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Tip
19 Sep 2019
7 HPC workload virtualization best practices
If you are running high-performance computing workloads in a virtual environment, use our handy checklist to see if you are optimizing your environment to its fullest. Continue Reading
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Tip
19 Sep 2019
Micro VMs bridge the gap between full VMs and containers
Micro VMs address full VM and container disadvantages, all while providing a lightweight container architecture and retaining VM security for each instance. Continue Reading
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Answer
19 Sep 2019
How do I manage ACL folder permissions with a PowerShell script?
PowerShell scripts make short work of repetitive Windows tasks, saving admins time, effort and frustration. One simple area admins can manage with scripts is the access control list. Continue Reading
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Answer
19 Sep 2019
What are the main features of Ansible vs. Ansible Tower?
Both Ansible and Ansible Tower offer enterprises a wealth of resources for config management, but they aren't equals. Assess their differences in crucial aspects such as security. Continue Reading
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News
19 Sep 2019
AIOps tools mature as cloud infrastructure grows
DevOps monitoring tools gain refined features as IT complexity soars, but their advanced AIOps automation hasn't yet gone mainstream. Continue Reading
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News
18 Sep 2019
DevSecOps veterans share security strategy, lessons learned
DevSecOps practitioners imparted dos and don'ts for newbies and urged them to think strategically as well as tactically about improving IT security. Continue Reading
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News
18 Sep 2019
ManageEngine Applications Manager adds OCI monitoring
ManageEngine rolls out support for Oracle Cloud Infrastructure performance monitoring in its Applications Manager platform. The tool can also predict growth. Continue Reading
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News
17 Sep 2019
New application security risks lead IT teams to DevSecOps
Once a bleeding-edge concept, DevSecOps has gone mainstream following high-profile security breaches that proved simply installing automated security tools doesn't go far enough. Continue Reading
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Tip
17 Sep 2019
Use these features and techniques to ensure Hyper-V security
To successfully enhance the security of Hyper-V hosts and VMs, admins should consider network security, guarded fabric technology, Generation 2 VMs and Secure Boot. Continue Reading
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Tip
16 Sep 2019
What IT admins need to know about cloud application patching
When they host apps in a SaaS or PaaS environment, IT teams offload some patching duties to cloud providers. But other responsibilities become even more important. Continue Reading
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Tip
13 Sep 2019
Tips and tools to achieve a serverless DevOps workflow
Serverless functions bring the benefits of event-driven computing to a CI/CD pipeline -- but to get there, DevOps teams might need to lean heavily on services and tools from the major cloud computing providers. Continue Reading
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News
13 Sep 2019
Google Cloud tackles Spark on Kubernetes
Google Cloud Dataproc is the first major cloud provider to integrate Apache Spark with Kubernetes as a managed service, but work remains to better link the two projects upstream. Continue Reading
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Feature
13 Sep 2019
Hyper-converged infrastructure basics for virtualization admins
Hyper-convergence provides many benefits, such as simplified provisioning and management, but virtualization administrators should get to know HCI technology before implementing it. Continue Reading
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Tip
12 Sep 2019
Persistent memory in Hyper-V VMs offers better data retention
When coupled with virtualization, persistent memory bridges the gap between traditional memory and storage devices by offering better performance and availability. Continue Reading
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News
11 Sep 2019
HashiCorp Consul plays to multi-platform strength with Azure
HashiCorp's Consul service mesh will be offered as a hosted service on Microsoft Azure, where it can link container clusters along with VMs in multiple regions. Continue Reading
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News
11 Sep 2019
New HashiCorp Terraform pricing aims for midsize firms, teams
HashiCorp Terraform Cloud's new pricing tier reflects a shift in how software vendors market to large enterprises. Continue Reading
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Answer
10 Sep 2019
What are some examples of embedded hypervisors?
A virtualization layer in an embedded system provides better efficiency for tasks such as network virtualization. Some examples of embedded hypervisors include the Xvisor and ACRN. Continue Reading
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Tip
10 Sep 2019
Secure configuration management tasks with a certificate authority
A CA server is a limited shield for the data that configuration management tools collect, but IT admins can use one for many tasks -- like to create custom certificates -- and boost security. Continue Reading
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News
09 Sep 2019
ServiceNow adds mobile app to 'New York' Now Platform
ServiceNow released the latest version of its Now Platform that features a mobile application giving remote users access to the core capabilities of the platform. Continue Reading
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Opinion
09 Sep 2019
ITIL 4 framework brings long-awaited flexibility to ITSM
After eight long years, the ITIL 4 framework finally saw the light of day in 2019 -- but what can enterprises expect to gain from the latest version, and those to come? Continue Reading
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News
06 Sep 2019
Feature flags emerge as enterprise DevOps must-have
CloudBees and Atlassian have feature flags on their near-term product roadmaps, as enterprise DevOps shops seek to lower the risk of continuous code deployment to production. Continue Reading
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Tip
06 Sep 2019
Get to know Hyper-V 2019 new features and functionality
Window Server 2019 showed fewer new features than first expected, but Hyper-V admins can benefit from improved support for shielded VMs and the new Admin Center feature. Continue Reading
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Answer
06 Sep 2019
Embedded hypervisor use cases and benefits explained
An embedded hypervisor offers several benefits, such as VM security, system reliability and improved hardware use, and is ideal for admins looking to simplify their environments. Continue Reading
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News
05 Sep 2019
Atlassian cloud woos enterprises with SLA, security boost
Large enterprise users of Atlassian's on-premises software say the vendor's cloud tools have piqued their interest with updates to security and support. Continue Reading
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Tip
05 Sep 2019
Consider the when, why and how of a Mesos-to-Kubernetes migration
Before choosing to migrate to Kubernetes, Mesos users should carefully prepare for the complexity of the move -- and first consider using the two technologies side by side. Continue Reading
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Tip
04 Sep 2019
GPU repurposing helps improve infrastructure cost efficiency
A GPU's cost efficiency decreases when left idle. But, by putting GPUs to work for virtual desktop infrastructure sessions, admins can reduce costs and ensure improved performance. Continue Reading
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Answer
03 Sep 2019
Considerations for embedded hypervisor implementation
Before incorporating an embedded hypervisor, admins must consider storage, memory, system performance and scheduling to help prevent latency issues. Continue Reading
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Tip
03 Sep 2019
Embrace an app-centric approach to monitoring in the cloud
Cloud computing minimizes the need for IT teams to worry about infrastructure hardware -- which means their monitoring strategies can, and should, hone in on apps and the user experience. Continue Reading
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Tip
30 Aug 2019
VMware Workstation vs. VirtualBox: Which is the better hypervisor?
The Type 2 hypervisor debate between VMware Workstation and Oracle VirtualBox has gotten tougher as the latter has caught up. Examine their advantages to see which fits your needs. Continue Reading
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News
30 Aug 2019
IT pros look to VMware's GPU acceleration projects to kick-start AI
The virtualization giant's recent acquisition of Bitfusion and its close partnership with Nvidia bring GPU virtualization to vSphere. Continue Reading
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Answer
30 Aug 2019
Hyper-V vs. VMware comparison: What are the differences?
Hyper-V and VMware are in a perpetual battle for supremacy in the virtualization market. Although the two hypervisors have similar features, capabilities are somewhat different. Continue Reading
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Tip
30 Aug 2019
Maintain CMDB data integrity for automated disaster recovery
For successful disaster recovery, IT admins must keep CMDB data precise. Learn best practices to promote data accuracy for an automated failover and DR plan. Continue Reading
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Feature
29 Aug 2019
Explore container deployment benefits and core components
As container adoption grows, the ecosystem of tools surrounding the technology expands as well. Explore the benefits of container systems for enterprise app deployments. Continue Reading
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Tip
29 Aug 2019
Explore Docker vs. LXC through the lens of a three-tier app
Containers are not small virtual machines, and they're not all the same under the hood. To make smart deployment choices, understand the nuanced differences between container types. Continue Reading
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Feature
28 Aug 2019
Defeat app killers and monster VM performance issues with ease
VM troubles got you down? Never fear: Some solutions to VM performance problems are as easy as looking in the right places and asking the right questions Continue Reading
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News
28 Aug 2019
Knative serverless Kubernetes bypasses FaaS to revive PaaS
Knative's emerging claim to fame is that it can turn Kubernetes into a next-gen platform as a service with both a Heroku-like developer experience and deep infrastructure control. Continue Reading
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News
27 Aug 2019
Project Pacific outshines vSphere 6.7 U3, Platinum updates
VMworld's 'What's new in vSphere?' session at VMworld is a perennial attendee favorite, but the updates were overshadowed by the hubbub around Project Pacific. Continue Reading
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News
27 Aug 2019
IT training programs stall amid search for best practices
Without a standard set of best practices to refer to for IT training programs, or any industry consensus on the best general approach to training, large enterprises have begun to trail smaller, more nimble counterparts in the efficiency of their software releases. Continue Reading