July 2021 - Page 6 of 69

How to Install MongoDB on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install MongoDB on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install mongodb on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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Common Problems 118099

Ubuntu 18.04 LTS Kernel Panic After Security Update

🔴 Critical   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: 18.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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Common Problems 118008

Ubuntu 18.04 LTS – ext4 filesystem remounts read-only after I/O errors – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 18.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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FreeBSD 13 — php55-odbc — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php55-odbc — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-8879 CVE-2016-5385 CVE-2016-5399 CVE-2016-6288 CVE-2016-6289 CVE-2016-6290 CVE-2016-6291 CVE-2016-6292  +4 more Upstream summary: PHP reports: Fixed bug #69975 (PHP segfaults when accessing nvarchar(max) defined columns) […]

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Common Problems 115019

RHEL 8 – DNF Module Stream Conflict Blocks App Installation

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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How to Configure Hyper-V Storage for VMs on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Hyper-V Storage for VMs on Windows Server 2012 R2

How to Configure Hyper-V Storage for VMs on Windows Server 2012 R2 Storage configuration is one of the most critical aspects of Hyper-V performance and reliability. Windows Server 2012 R2 Hyper-V supports multiple storage types, including locally attached SATA/SAS drives, iSCSI SANs, Fibre Channel, SMB 3.0 file shares, and pass-through disks. Understanding how to optimally […]

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How to Set Up Windows Server 2019 GRE Tunnelling — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 GRE Tunnelling

How to Set Up Windows Server 2019 GRE Tunnelling Generic Routing Encapsulation (GRE) tunnelling is a lightweight tunnelling protocol that encapsulates a wide variety of network layer protocols within virtual point-to-point links. Windows Server 2019 supports GRE tunnelling through the RAS Gateway, enabling L3 connectivity between tenant virtual networks and external physical networks without the […]

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FreeBSD 13 — m6811-binutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — m6811-binutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: GNU binutils — multiple vulnerabilities Related CVEs: CVE-2014-8501 CVE-2014-8502 CVE-2014-8503 Upstream summary: US-CERT/NIST reports: The _bfd_XXi_swap_aouthdr_in function in bfd/peXXigen.c in GNU binutils 2.24 and earlier allows remote attackers to cause […]

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Usando buffers no Node.js — step-by-step Javascript tutorial on Progressive Robot

Usando buffers no Node.js

O autor selecionou a COVID-19 Relief Fund​​​​​ para receber uma doação como parte do programa Write for DOnations. Um buffer é um espaço de memória (tipicamente RAM)…

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