today's howtos
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Distributed tracing in a microservices world
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Tracking and Controlling Microservice Dependencies
In search of a cappuccino, cheese bread, and a place to check her email, Silvia walked into a coffee shop. Upon connecting to the Wi-Fi hotspot, a captive portal prompted her to log in and offered a few third-party authentication options. When she clicked on one of the access token providers, her browser showed a "No Internet Connection" error. Since she didn't have access to the network, she couldn't get an OAuth token—and she couldn't access the network without one.
This short story illustrates a critical detail of system design that can easily go unnoticed until an outage takes place: cyclic dependencies.
Dependency cycles will be familiar to you if you have ever locked your keys inside your house or car. You can't open the lock without the key, but you can't get the key without opening the lock. Some cycles are obvious, but more complex dependency cycles can be challenging to find before they lead to outages. Strategies for tracking and controlling dependencies are necessary for maintaining reliable systems.
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How to set up LDAP authentication for the Red Hat AMQ 7 management console
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How to Create a Swap File in Linux
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calcurse – free calendar and scheduling application for the command line
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What is Istio?
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How to install Paperwork on Ubuntu 18.04 Bionic Beaver
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How to Create an HTTP Proxy Using Squid on CentOS 7
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How to Install the Latest VLC Player in Ubuntu 18.04 LTS
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Install Lightning Calendar Addon in Icedove Mail Client
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loop files with SPACES on their names
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Linux pkill Command Tutorial for Beginners (5 Examples)
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digiKam 7.7.0 is releasedAfter three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. |
Dilution and Misuse of the "Linux" Brand
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Samsung, Red Hat to Work on Linux Drivers for Future TechThe metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. |
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