Linux

Debian 11 — pspp — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pspp — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-10791 CVE-2017-10792 CVE-2017-12958 CVE-2017-12959 CVE-2017-12960 CVE-2017-12961 CVE-2018-20230 CVE-2019-9211  +10 more Upstream summary: There is an Integer overflow in the hash_int function of the libpspp library in GNU PSPP […]

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Установка последней версии MySQL в Debian 9 — step-by-step Linux tutorial on Progressive Robot

Установка последней версии MySQL в Debian 9

MySQL — известная база данных с открытым исходным кодом, которая используется для хранения и получения данных для разнообразных популярных приложений. MySQL — это компонент M в комплекте LAMP, в который также входят операционная система Linux,…

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Debian 11 — sniffit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sniffit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-5439 Upstream summary: Multiple Stack-based Buffer Overflow vulnerabilities exists in Sniffit prior to 0.3.7 via a crafted configuration file that will bypass Non-eXecutable bit NX, stack smashing protector […]

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Ubuntu 18.04 — php-dompdf — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — php-dompdf — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 September 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6277-1 Related CVEs: CVE-2014-5011 CVE-2014-5012 CVE-2014-5013 CVE-2021-3838 CVE-2022-2400 Upstream summary: It was discovered that Dompdf was not properly validating untrusted input when processing HTML content under certain circumstances. An attacker […]

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How To Install MongoDB on CentOS 8 — step-by-step Linux tutorial on Progressive Robot

How To Install MongoDB on CentOS 8

MongoDB is an open-source document database used commonly in modern web applications. It is classified as a NoSQL database because it does not rely on a traditional table-based relational database structure. Instead, it uses JSON-like documents with dynamic schemas. In this tutorial you’ll install MongoDB on a CentOS 8 server, test it, and learn how to manage it as a systemd service.

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2022-9690)

🟠 High   ⏱ 15–60 min  Last verified: 23 September 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9690 Related CVEs: CVE-2022-2588 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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How to Set Up Kea DHCP Server on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Kea DHCP Server on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up set up kea dhcp server on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully […]

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AlmaLinux 9 — qatzip — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — qatzip — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:8256 Related CVEs: CVE-2022-36369 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & […]

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How to Configure IPv6 Networking on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure IPv6 Networking on RHEL 9

IPv6 is the successor to IPv4, offering a vastly larger address space and improved routing efficiency, and is increasingly required for modern infrastructure and public internet connectivity. On RHEL 9, NetworkManager is the primary tool for managing network configuration, and it fully supports both static IPv6 addressing and automatic assignment via SLAAC and DHCPv6. This […]

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