Sometimes when you’re troubleshooting a network problem, you need to look at the packet data. It could be to find security threats or investigate strange network behavior. One of the common ways to capture packet data is with SPAN ports. But with the data deluge found on today’s networks and infrastructure, you can easily run into […]
Why SPAN Port is Bad for Packet Captures Read More »
Note: This post was originally written for the Netreo blog. You can check out the original here. What Is Network Management? Network management is the process that helps you know the working state of your network. It also enables you to fix various discovered or undiscovered network problems. In today’s networks, it’s a complicated exercise to monitor and
What Is Network Management? A Comprehensive Introduction Read More »
Note: This post was originally written for the Cprime blog. You can check out the original here. Applications are no longer simple two-tier architectures. Back then, application monitoring was easy compared with today. But as the shift to the cloud happened, applications became more efficient and effective. Application architectures now include many tiers across multiple locations and sometimes in multiple clouds.
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Note: This post was originally written for the Cprime blog. You can check out the original here. As more organizations move from on-prem to cloud infrastructure, IT teams are finding that traditional monitoring solutions just aren’t getting the job done. Many monitoring vendors have moved beyond monitoring to observability. Sadly, some are doing nothing more than putting a good spin on
What is Observability and Why You Need It Read More »
Note: This post was originally written for the Scalyr blog. You can check out the original here. The amount of event data to collect has seen a dramatic increase in the last few years. It continues to grow as more companies move to microservices, containers, and the modern infrastructure stack. For many, Elasticsearch has been the solution to help. With more data
Elasticsearch Alternatives for Event Data: 5 Options Read More »
Security should be top of mind these days. I wrote an article years ago about three lessons you can learn from doing a network security analysis. Taking the appropriate steps is even more crucial now than then. But how do you protect your organization when you need to help troubleshoot an application problem and need to capture
How to Prevent Capturing Data for Security Reasons Read More »
Note: This post was originally written for the Scalyr blog. You can check out the original here. Some things aren’t always what they seem. You’re tasked with engineering a solution that your organization needs. You implement it with a tool that seems relatively easy to set up. But over time, you realize that there’s no Easy button. Elasticsearch is
The Essential Guide to Scaling Elasticsearch Read More »
You just got a call about an application slowness issue. You’ve been told that it’s not an application issue and that it must be somewhere on the network. When you need to capture some data, for whatever reason, one question that inevitably comes up is where you should capture. What’s the best location for a
Where is the Best Location for a Packet Capture? Read More »
Editor’s note: This post was originally written for the Sensu blog. You can check out the original here. You want implementations to be simple. Who doesn’t? But often, that’s not the case. SNMP is one of the oldest used protocols to manage a network. SNMP stands for simple network management protocol, but it might not
How to Simplify SNMP Implementation Read More »
Editor’s note: This post was originally written for the eG Innovations blog. You can check out the original here. So your organization has decided that they’re moving to the cloud. Smart move! Many companies today are either making the move to the cloud or have already made it. According to RightScale’s 2019 State of the
Performance Monitoring in the Cloud: Does it Still Matter? Read More »