How to Install Hadoop in Stand-Alone Mode on Debian 9
In this tutorial, you’ll install Hadoop in stand-alone mode on a Debian 9 server. You’ll also run an example MapReduce program to search for occurrences of a regular expression in text files.
IBM AIX 7.3 — CVE-2006-4254 — vulnerability — patch and remediation guide
🟠 High ⏱ 30–90 min Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-2006-4254, IBM Support Bulletin CVE: CVE-2006-4254 NVD summary: Unspecified vulnerability in setlocale in IBM AIX 5.1.0 through 5.3.0 allows local users to gain privileges via unspecified vectors. References: ftp://aix.software.ibm.com/aix/efixes/security/R secunia.com/advisories/21541 […]
Использование .map() для итерации элементов массива в JavaScript
Метод `.map()` — один из самых популярных методов итерации массивов данных в JavaScript. Метод `.map()` создает массив, вызывая определенную функцию для каждого элемента родительского массива. Метод `.map()` не использует мутацию и создает новый массив вместо того, чтобы изменять исходный. В этом учебном модуле мы рассмотрим четыре полезных способа использования метода `.map()` в JavaScript: вызов функции для элементов массива, конвертацию строк в массивы, рендеринг списков в библиотеках и переф
How to Configure Windows Server 2022 with Puppet
What Is Remote Desktop Gateway Remote Desktop Gateway (RD Gateway) is a Windows Server role service that enables authorized remote users to connect to internal network resources — including Remote Desktop hosts, virtual desktops, and RemoteApp programs — over an HTTPS-encrypted tunnel on port 443. Without RD Gateway, RDP traffic uses port 3389 directly, which […]
Ubuntu 22.04 LTS – APT lock file blocks package operations – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: Ubuntu 22.04 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 […]
Gentoo Linux — dev-db/sqlite — multiple vulnerabilities (17 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202311-03 Related CVEs: CVE-2021-31239 CVE-2022-46908 CVE-2021-20227 CVE-2022-35737 CVE-2019-20218 CVE-2020-11655 CVE-2020-11656 CVE-2020-13434 +9 more Upstream summary: Multiple vulnerabilities have been discovered in SQLite. Please review the CVE identifiers referenced below for details. Table […]
RHEL 7 cron jobs not executing because crond service is disabled
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: RHEL 7 📖 ~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 & […]
NFS Mount Permission Denied With SELinux Enforcing
🟡 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 […]
IBM AIX 7.3 — CVE-1999-0011 — denial of service — patch and remediation guide
🟡 Medium ⏱ 15–45 min Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-1999-0011, IBM PSIRT advisory page CVE: CVE-1999-0011 NVD summary: Denial of Service vulnerabilities in BIND 4.9 and BIND 8 Releases via CNAME record and zone transfer. References: ftp://patches.sgi.com/support/free/security/advi sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=col www1.itrc.hp.com/service/cki/docDisplay.do?docId […]
Debian 11 — abiword — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2004-0645 CVE-2005-2964 CVE-2005-2972 CVE-2006-4513 CVE-2017-17529 Upstream summary: Buffer overflow in the wvHandleDateTimePicture function in wv library (wvWare) 0.7.4 through 0.7.6 and 1.0.0 allows remote attackers to execute arbitrary […]
