How to Use PowerShell to Manage Active Directory at Scale on Windows Server 2022

February 12, 2023
Tutorials
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Introduction to Managing Active Directory at Scale with PowerShell Active Directory environments in enterprise organizations often contain tens of thousands of user accounts, groups, and organizational units. Managing these manually through the GUI is error-prone and impractical. PowerShell’s ActiveDirectory module, installed as part of RSAT (Remote Server Administration Tools), provides a comprehensive set of cmdlets […]

How To Install the Deno JavaScript Runtime on Ubuntu 20.04

February 12, 2023
Linux
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In this tutorial we will download and install Deno on Ubuntu 20.04, and run a `hello world` statement to test out our installation. Deno is a new JavaScript runtime being developed by the creator of Node.js, with a focus on security, developer experience, and compatibility with standard browser APIs. Deno uses the same V8 JavaScript engine as Node.js and the Chrome web browser, but ships with secure sandboxing, built-in TypeScript support, and a curated set of standard modules.

Oracle Linux 9 — xorg-x11-server — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — xorg-x11-server — security and stability fixes — required update (ELSA-2023-2248)

February 11, 2023
Linux
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🟡 Medium ⏱ 10–30 min Last verified: 11 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2023-2248 Related CVEs: CVE-2022-46343 CVE-2023-0494 CVE-2022-3551 CVE-2022-46341 CVE-2022-46342 CVE-2022-46344 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

IBM AIX 7.3 — CVE-2020-4771 — vulnerability — patch and remediation guide

February 11, 2023
Tutorials
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🟡 Medium ⏱ 15–45 min Last verified: 11 February 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-2020-4771, IBM Support Bulletin CVE: CVE-2020-4771 NVD summary: IBM Spectrum Protect Operations Center 8.1.0.000 through 8.1.10.and 7.1.0.000 through 7.1.11 could allow a remote attacker to obtain sensitive information, caused by improper authentication […]

IBM AIX 7.3 — CVE-2010-2594 — vulnerability — patch and remediation guide

February 11, 2023
Tutorials
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🟡 Medium ⏱ 15–45 min Last verified: 11 February 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-2010-2594, IBM PSIRT advisory page CVE: CVE-2010-2594 NVD summary: Multiple cross-site request forgery (CSRF) vulnerabilities in the web management interface in InterSect Alliance Snare Agent 3.2.3 and earlier on Solaris, Snare Agent […]

How to Configure Nginx as a Reverse Proxy on Oracle Linux 9

February 11, 2023
Oracle Linux
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Introduction How to Configure Nginx as a Reverse Proxy on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the […]

Windows Server 2022 — Service accounts fail logon after addition to Protected Users group — Fix & Prevention

February 11, 2023
Tutorials
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🟠 High ⏱ 5–30 min Last verified: 11 February 2023 Affected versions: Windows Server 2022 📖 ~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 […]

Debian 11 — nethack — multiple vulnerabilities (12 CVEs) — patch and remediation guide

February 11, 2023
Linux
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🟠 High ⏱ 15–60 min Last verified: 11 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2003-0358 CVE-2003-0359 CVE-2019-19905 CVE-2020-5209 CVE-2020-5210 CVE-2020-5211 CVE-2020-5212 CVE-2020-5213 +4 more Upstream summary: Buffer overflow in (1) nethack 3.4.0 and earlier, and (2) falconseye 1.9.3 and earlier, which is […]

AlmaLinux 8 — pcre2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

February 11, 2023
Linux
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🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2022:5809 Related CVEs: CVE-2022-1586 CVE-2019-20454 Upstream summary: The pcre2 package contains a new generation of the Perl Compatible Regular Expression libraries for implementing regular expression pattern matching using the same syntax and […]

Ubuntu 22.04 — kopanocore — multiple vulnerabilities (2 CVEs) — patch and remediation guide

February 11, 2023
Linux
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🟢 Low ⏱ 5–15 min Last verified: 11 February 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6876-1 Related CVEs: CVE-2019-19907 CVE-2022-26562 Upstream summary: It was discovered that Kopano Core allowed out-of-bounds access. An attacker could use this issue to expose private information. This issue only affected […]

February 2023 - Page 39 of 64

How to Use PowerShell to Manage Active Directory at Scale on Windows Server 2022

How To Install the Deno JavaScript Runtime on Ubuntu 20.04

Oracle Linux 9 — xorg-x11-server — security and stability fixes — required update (ELSA-2023-2248)

IBM AIX 7.3 — CVE-2020-4771 — vulnerability — patch and remediation guide

IBM AIX 7.3 — CVE-2010-2594 — vulnerability — patch and remediation guide

How to Configure Nginx as a Reverse Proxy on Oracle Linux 9

Windows Server 2022 — Service accounts fail logon after addition to Protected Users group — Fix & Prevention

Debian 11 — nethack — multiple vulnerabilities (12 CVEs) — patch and remediation guide

AlmaLinux 8 — pcre2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

Ubuntu 22.04 — kopanocore — multiple vulnerabilities (2 CVEs) — patch and remediation guide

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