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How to Configure Windows Event Log Archiving on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Windows Event Log Archiving on Windows Server 2012 R2

How to Configure Windows Event Log Archiving on Windows Server 2012 R2 Windows Event Logs record a comprehensive audit trail of system activities, security events, application errors, and administrative actions. By default, event logs are stored in files on the local server and are overwritten when they reach their maximum size. For compliance, security auditing, […]

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Ubuntu 20.04 — velocity — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — velocity — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 October 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6281-1 Related CVEs: CVE-2020-13936 Upstream summary: Alvaro Munoz discovered that Velocity Engine incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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Oracle Linux 8 — glibc security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — glibc security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-3513)

🟡 Medium   ⏱ 10–30 min  Last verified: 31 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3513 Related CVEs: CVE-2016-10739 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 118058

Ubuntu 18.04 LTS – Docker daemon fails to start after storage driver conflict – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 31 October 2020 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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How to Set Up ModSecurity WAF on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up ModSecurity WAF on Oracle Linux 8

Introduction This tutorial demonstrates how to Set Up ModSecurity WAF on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the […]

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SLES 15 — python2-M2Crypto — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python2-M2Crypto — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 October 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-FU-2024:1448-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25657 Upstream summary: A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption […]

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How to Set Up a Print Server on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up a Print Server on Windows Server 2012 R2

How to Set Up a Print Server on Windows Server 2012 R2 A centralised print server simplifies printer management across an organisation by hosting print queues, managing drivers, and applying permissions from a single point of administration. Users connect to the print server and their client automatically downloads the appropriate driver. Administrators can monitor print […]

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What is an Operating System? — step-by-step DevOps tutorial on Progressive Robot

What is an Operating System?

An operating system is system software that handles computer memory, software and hardware resources, and processes, while providing common services and programming interfaces for computer programs. Examples of popular operating systems include WindowsOS, MacOS, and Linux.

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