IT Operations: Page

Kubectl commands and best practices for new Kubernetes users

Kubectl is a simple and powerful means to control containers in Kubernetes. But as with any CLI, it demands familiarity with available operations, resource types and associated syntax.

By Stephen Bigelow • March 26, 2020

Set IT vendor selection criteria to evolve with the times

As enterprises' IT tool sets expand to include more specialized providers for cloud and DevOps deployments, they face new vendor management challenges.

By Kristin Knapp • March 26, 2020

HashiCorp Nomad vs. Kubernetes matchup intensifies with 0.11

HashiCorp Nomad may not overtake Kubernetes but could capture broader enterprise attention with container-like orchestration features for legacy apps in VMs.

By Beth Pariseau • March 25, 2020

VM networking best practices to boost network performance

Admins who familiarize themselves with VM network switches and activity can better understand issues and employ best practices to mitigate lackluster network performance.

By Stefani Muñoz • March 25, 2020

Embedded hypervisor use simplifies hardware, improves performance

Admins who use embedded systems generally see improved performance in VM instances, but improper implementation of hypervisors can lead to system and processor latency.

By Stefani Muñoz • March 23, 2020

Las Vegas shores up SecOps with multi-factor authentication

AI-driven SecOps tools spared Las Vegas from a major data breach in January. The city now bets that two-factor authentication can stop future attempts.

By Beth Pariseau • March 20, 2020

Micro VM vendors to evaluate for your isolation, security needs

Amazon, HP, Qubes OS and Authentic8 provide micro VM-based technologies that help increase VM security through isolation techniques, but use varying hypervisors and OSes.

By Brien Posey • March 20, 2020

Perform Nagios configuration step by step

Nagios Core helps IT teams monitor system uptime and availability -- but first, they have to install and configure the tool properly. Follow this video tutorial to get started.

By Douglas Francis • March 19, 2020

IBM officially supports Red Hat Ansible for mainframe DevOps

IBM will support mainframe DevOps through mainstream distributed systems tools such as Red Hat Ansible and Jenkins, even when it has equivalent mainframe-specific products.

By Ed Scannell , Beth Pariseau • March 18, 2020

Coronavirus forces switch to remote work for DevOps teams

The new coronavirus pandemic will force most DevOps teams to work remotely and may also interfere with work schedules. Experts share advice on how to weather the disruption.

By Beth Pariseau • March 17, 2020

Updated Exchange Online PowerShell module adds reliability, speed

Microsoft assists Exchange Online administrators who rely on PowerShell by reworking the underlying functionality of several cmdlets used to manage the hosted email platform.

By Reda Chouffani • March 17, 2020

3 ways IT teams can use PowerShell in AI initiatives

As they embark on AIOps strategies, IT admins -- particularly those in Windows shops -- can lean on a familiar tool for data gathering and issue remediation: PowerShell.

By Dan Franciscus • March 13, 2020

AWS Bottlerocket container OS locks down hosts

AWS Bottlerocket puts the cloud giant's spin on the container OS, and container host security, but the company will have to overcome a generally poor reputation in the open source world.

By Beth Pariseau • March 12, 2020

Continuous delivery pipeline transforms hotel chain’s IT ops

As Choice Hotels moved away from homegrown scripting tools for continuous delivery, it fundamentally shifted the daily duties of its IT ops teams.

By Beth Pariseau • March 11, 2020

Follow this Ansible Vault example for encryption best practices

IT admins can choose between two types of encryption methods when they use Ansible Vault: file-level and variable-level. Walk through each model with this brief video.

By Christopher Blackden • March 11, 2020

Mammoth March Patch Tuesday lands on Windows admins

Microsoft delivers corrections for 115 unique vulnerabilities, including 26 bugs rated critical in one of its largest Patch Tuesday releases in recent memory.

By Tom Walat • March 11, 2020

Find and filter Windows event logs using PowerShell Get-EventLog

Use the Get-EventLog cmdlet in PowerShell to pinpoint problems among thousands of entries in Windows logs, on both local and remote systems.

By Brien Posey • March 10, 2020

Dig into the pros and cons of memory ballooning

Ballooning is an effective VM memory management technique, but it does have its downfalls, such as potential memory overcommitment and halting application performance.

By Robert Sheldon • March 10, 2020

Dig into Kubernetes pod deployment for optimal container use

Improve your Kubernetes deployment strategy with balanced application hosting and sound pod-to-nodes mapping. Learn the ins and outs of resource pools and Kubernetes communication.

By Tom Nolle • March 6, 2020

Istio service mesh revamp may ease use, or sow confusion

Istio 1.5 reworks a microservices-based control plane into a monolith as the service mesh project seeks to simplify management and improve performance.

By Beth Pariseau • March 6, 2020

Biometrics firm fights monitoring overload with log analytics

Log analytics tools have become more popular as enterprise IT pros contend with complex, continuous microservices application deployments at scale.

By Beth Pariseau • March 5, 2020

Container training can help admins stay relevant

IT admins might be good at managing IT systems -- until those systems are replaced with newer technologies. One way to keep pace with the changes is to learn container skills.

By Stuart Burns • March 5, 2020

How to approach Kubernetes multi-tenancy for resource isolation

Multi-tenancy in Kubernetes can partition IT resources and operations, but it can be tricky to determine just how much isolation is necessary.

By Tom Nolle • March 4, 2020

A closer look at new and updated Microsoft security features

Microsoft augments the native protection features in its newer Windows Server releases with cloud-based security products to reduce the likelihood of a successful breach attempt.

By Tom Walat • March 4, 2020

Build a SaaS disaster recovery plan for IT automation tools

While cloud-based IT automation software offers speed and flexibility, it poses the same potential risk of other hosted tools: a loss of availability during an outage.

By Brian Kirsch • March 3, 2020