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    A hands-on IT blog covering security, compliance, AI, fintech, and infrastructure. Written by a CISSP/CISA/PMP-certified professional in multinational corporate environments.

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    Category: Infrastructure

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    [MS Exchange] 5 Ways to Check Exchange Server Version

    August 16, 2025 HaydenLeave a Comment on [MS Exchange] 5 Ways to Check Exchange Server Version

    Here are the most reliable ways to determine your Exchange Server version and build information.     1. PowerShell Commands […]

    IT/Reg-Tech, Platform Exchange Server, Exchange Version, MS Exchange, version check

    [Apache Kafka] Consumer ‘OutOfMemoryError’: Memory Issue Solution

    August 16, 2025 HaydenLeave a Comment on [Apache Kafka] Consumer ‘OutOfMemoryError’: Memory Issue Solution

    Running into java.lang.OutOfMemoryError: Java heap space with your Kafka consumers? You’re definitely not alone. This frustrating error has probably cost […]

    IT/Reg-Tech, Platform Apache Kafka, Java heap space, Kafka error, OutOfMemoryError

    [Apache Kafka] Fixing ‘Connection to node -1 could not be established’ Error

    August 16, 2025August 16, 2025 HaydenLeave a Comment on [Apache Kafka] Fixing ‘Connection to node -1 could not be established’ Error

    If you’ve worked with Apache Kafka for any length of time, you’ve probably encountered the dreaded “Connection to node -1 […]

    IT/Reg-Tech, Platform Apache Kafka, Connection to node -1, Kafka error

    HPE ProLiant Server EOS/EOL Schedule and Licensing Policy

    July 31, 2025August 11, 2025 HaydenLeave a Comment on HPE ProLiant Server EOS/EOL Schedule and Licensing Policy

    If you’re managing data centers, you’ve probably asked yourself this question: “How long will our servers be supported?” This question […]

    Server, Infrastructure EOL, EOS, EOSL, HPE ProLiant, HPE Server, ProLiant

    Lenovo ThinkSystem EOS/EOL Guide, Warranty Structure

    July 31, 2025August 11, 2025 HaydenLeave a Comment on Lenovo ThinkSystem EOS/EOL Guide, Warranty Structure

    Managing server hardware lifecycle in enterprise environments goes beyond just performance and reliability concerns. If you’re running Lenovo ThinkSystem servers, […]

    Infrastructure, Server EOL, EOS, Lenovo Server, Lenovo ThinkSystem, Lenovo ThinkSystem Warranty

    IBM Power Systems EOS/EOL Timeline (Power7,8,9,10)

    July 31, 2025August 11, 2025 HaydenLeave a Comment on IBM Power Systems EOS/EOL Timeline (Power7,8,9,10)

    If you’re managing IBM Power Systems infrastructure, this is the critical information you need. Get the exact EOS (End of […]

    Infrastructure, Server EOL, EOS, IBM Power Systems, IBM Power Systems EOS EOL, Power10, Power7, Power8, Power9

    How to Fix Elasticsearch ‘master_not_discovered_exception’ Error

    July 30, 2025August 11, 2025 HaydenLeave a Comment on How to Fix Elasticsearch ‘master_not_discovered_exception’ Error

    If you’ve been working with Elasticsearch for any length of time, you’ve probably encountered the dreaded master_not_discovered_exception error. This error […]

    Coding, IT/Reg-Tech, Platform ElasticSearch, Elasticsearch error, master_not_discovered_exception

    How to Fix Elasticsearch ‘NoNodeAvailableException’ Error

    July 30, 2025August 11, 2025 HaydenLeave a Comment on How to Fix Elasticsearch ‘NoNodeAvailableException’ Error

    The NoNodeAvailableException is one of the most frustrating errors developers encounter when working with Elasticsearch. This error occurs when your […]

    Coding, IT/Reg-Tech, Platform ElasticSearch, Elasticsearch error, NoNodeAvailableException

    Elasticsearch ‘CircuitBreakerException’ Error: Causes and Solutions

    July 30, 2025August 11, 2025 HaydenLeave a Comment on Elasticsearch ‘CircuitBreakerException’ Error: Causes and Solutions

    Ever had your Elasticsearch cluster suddenly throw a CircuitBreakerException and leave you scrambling to figure out what went wrong? This […]

    Coding, IT/Reg-Tech, Platform CircuitBreakerException, ElasticSearch, Fielddata, OutOfMemory

    Huawei Server License Policy and EOS/EOL Timeline

    July 29, 2025August 11, 2025 HaydenLeave a Comment on Huawei Server License Policy and EOS/EOL Timeline

    If you’re managing enterprise IT infrastructure, you’ve likely encountered Huawei servers in your data center. But with the ongoing geopolitical […]

    Infrastructure, Server EOS EOL timeline, Huawai server EOL, Huawai Server EOS, Huawei, Huawei servers, server licensing, xFusion

    Huawei Server Equipment Licensing Policy: What We Need to Know

    July 29, 2025August 11, 2025 HaydenLeave a Comment on Huawei Server Equipment Licensing Policy: What We Need to Know

    If you’re an IT professional considering server hardware options, Huawei has likely crossed your radar. Known for exceptional price-to-performance ratios […]

    Infrastructure, Server Huawei, Huawei Server Licensing Policy, Huawei servers

    Dell PowerEdge Server EOS Timeline and Licensing Policies

    July 29, 2025August 11, 2025 HaydenLeave a Comment on Dell PowerEdge Server EOS Timeline and Licensing Policies

    Did you know that licensing costs often exceed hardware costs when deploying servers? This is particularly true with Dell PowerEdge […]

    Infrastructure, Server Dell PowerEdge, Dell PowerEdge EOL, Dell PowerEdge EOS, iDRAC licensing, PowerEdge servers

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