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Common Problems 112552

Windows Server 2019 – Security event log overflow causing dropped audit events – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 13 September 2021 Affected versions: Windows Server 2019 📖 ~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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Debian 11 — xastir — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xastir — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4987 Upstream summary: xastir 1.9.2 allows local users to overwrite arbitrary files via a symlink attack on the (a) /tmp/ldconfig.tmp, (b) /tmp/ldconf.tmp, and (c) /tmp/ld.so.conf temporary files, related […]

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Understanding the React useMemo Hook — step-by-step Javascript tutorial on Progressive Robot

Understanding the React useMemo Hook

This article will explore how re-rendering works in React, why that is an important consideration for React applications, and how the `useMemo` hook can leverage it to create a performance boost in your applications.

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Debian 11 — lrzip — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lrzip — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-8842 CVE-2017-8843 CVE-2017-8844 CVE-2017-8845 CVE-2017-8846 CVE-2017-8847 CVE-2017-9928 CVE-2017-9929  +12 more Upstream summary: The bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote attackers to cause a […]

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Matrix Programs in Java — step-by-step Programming tutorial on Progressive Robot

Matrix Programs in Java

URL: https://www.progressiverobot.com/matrix-programs-in-java/ A Matrix is a rectangular array. The elements are arranged in the rows and columns. In this tutorial, we will look at some matrix programs in Java. Graphical Representation of Matrix Matrix in Java We can implement a matrix using [two dimensional array in Java](/community/tutorials/two-dimensional-array-java). The element at row "r" and column "c" […]

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How to Use Makefile for Build Automation on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Use Makefile for Build Automation on FreeBSD 12

Introduction How to Use Makefile for Build Automation on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for […]

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Debian 11 — perltidy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — perltidy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2277 CVE-2016-10374 Upstream summary: The make_temporary_filename function in perltidy 20120701-1 and earlier allows local users to obtain sensitive information or write to arbitrary files via a symlink attack, […]

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How To Secure PostgreSQL on an Ubuntu VPS — step-by-step Linux tutorial on Progressive Robot

How To Secure PostgreSQL on an Ubuntu VPS

Database management systems are extremely useful for handling information from websites and applications. PostgreSQL is a popular database management system that is incredibly powerful. When using PostgreSQL, it is essential that you take proper precautions to secure your databases. This article is an introduction to security practices when using PostgreSQL

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