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openSUSE Tumbleweed — kcron — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — kcron — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2022-24986 Upstream summary: KDE KCron through 21.12.2 uses a temporary file in /tmp when saving, but reuses the filename during an editing session. Thus, someone […]

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Ubuntu 14.04 — isc-dhcp — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — isc-dhcp — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 October 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5658-3 Related CVEs: CVE-2022-2928 CVE-2022-2929 CVE-2021-25217 CVE-2016-2774 CVE-2017-3144 CVE-2018-5732 CVE-2018-5733 CVE-2015-8605 Upstream summary: USN-5658-1 fixed several vulnerabilities in DHCP. This update provides the corresponding update for Ubuntu 14.04 ESM. Original […]

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Ubuntu 22.04 — jqueryui — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

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

🟢 Low   ⏱ 5–15 min  Last verified: 22 October 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5181-1 Related CVEs: CVE-2021-41184 CVE-2022-31160 Upstream summary: It was discovered that jQuery UI did not properly validate the values from untrusted sources. An attacker could use this vulnerability to cause […]

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How To Interact with Data in ElasticSearch Using CRUD Operations — step-by-step Linux tutorial on Progressive Robot

How To Interact with Data in ElasticSearch Using CRUD Operations

ElasticSearch is a flexible search implementation that can be accessed and configured programmatically in order to build complex search features into your application or website. In this guide, we will discuss how to create, read, update, and delete data from ElasticSearch using simple HTTP requests.

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Comment installer Node.js sur CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Comment installer Node.js sur CentOS 8

Node.js est un runtime JavaScript pour la programmation côté serveur. Il permet aux développeurs de créer des fonctionnalités d’arrière-plan évolutives en utilisant JavaScript, un langage que beaucoup connaissent déjà grâce au développement web par navigateur. Dans ce…

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How to Configure Kerberos Authentication on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Kerberos Authentication on RHEL 9

Kerberos is a network authentication protocol that uses symmetric-key cryptography and a trusted third party — the Key Distribution Center (KDC) — to authenticate users and services without transmitting passwords over the network. RHEL 9 ships the MIT Kerberos implementation and it integrates tightly with SSH, NFS, and other network services through GSSAPI. This tutorial […]

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Создание приложения Node.js с помощью Docker [Краткое руководство] — step-by-step Docker tutorial on Progressive Robot

Создание приложения Node.js с помощью Docker [Краткое руководство]

В этом обучающем руководстве мы создадим образ приложения для статического сайта, который использует веб-фреймворки Express и Bootstrap. Затем вы создадите контейнер с использованием этого образа, разместите его в [Docker…

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Common Problems 118599

Ubuntu 16.04 LTS Chrony Not Syncing Due to Firewall Policy

🟡 Medium   ⏱ 5–30 min  Last verified: 21 October 2022 Affected versions: 16.04 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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