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What is Log4Shell? The Log4Shell vulnerability explained (and what to do about it)

Dynatrace

Log4Shell is a software vulnerability in Apache Log4j 2 , a popular Java library for logging error messages in applications. The vulnerability, published as CVE-2021-44228 , enables a remote attacker to take control of a device on the internet, if the device is running certain versions of Log4j 2. What is Log4Shell?

Internet 259
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Dynatrace adds support for AWS Transit Gateway with VPC Flow Logs

Dynatrace

Dynatrace has added support for the newly introduced Amazon Virtual Private Cloud (VPC) Flow Logs for AWS Transit Gateway. There are five network internet protocol (IP) characteristics that are captured within each of the Transit Gateway Flow Logs for each log source. Dynatrace news. The Dynatrace VPC Flow Log analysis capability.

AWS 214
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Dynatrace adds support for VPC Flow Logs to Kinesis Data Firehose

Dynatrace

VPC Flow Logs is an Amazon service that enables IT pros to capture information about the IP traffic that traverses network interfaces in a virtual private cloud, or VPC. By default, each record captures a network internet protocol (IP), a destination, and the source of the traffic flow that occurs within your environment.

Traffic 212
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What Is a Workload in Cloud Computing

Scalegrid

While managing cloud workloads offers numerous benefits, it also presents several challenges such as security risks, compliance issues, and resource optimization, which can be addressed effectively with tools like ScaleGrid, offering features like encryption, disaster recovery, and real-time resource optimization for diverse databases.

Cloud 130
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Trade-offs under pressure: heuristics and observations of teams resolving internet service outages (Part 1)

The Morning Paper

Trade-offs under pressure: heuristics and observations of teams resolving internet service outages , Allspaw, Masters thesis, Lund University, 2015. The Internet itself, over which these systems operate, is a dynamically distributed network spanning national borders and policies with no central coordinating agent.

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Container security: What it is, why it’s tricky, and how to do it right

Dynatrace

Unfortunately, container security is much more difficult to achieve than security for more traditional compute platforms, such as virtual machines or bare metal hosts. Application developers commonly leverage open-source software when building containerized applications. Let’s look at each type. Source code tests. Image scanners.

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The Speed of Time

Brendan Gregg

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object). But I'm not completely sure.

Speed 126