Linux

How to Set Up CentOS Stream 9 in Oracle Cloud Infrastructure — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up CentOS Stream 9 in Oracle Cloud Infrastructure

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying set up centos stream 9 in oracle cloud infrastructure both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up CentOS Stream 9 in Oracle Cloud Infrastructure, including dnf module streams where applicable, systemd unit management, and the […]

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Common Problems 117577

Ubuntu 20.04 LTS – AppArmor profile denial breaks custom application startup – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 November 2023 Affected versions: Ubuntu 20.04 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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Common Problems 117092

Ubuntu 22.04 unmet dependencies during package install

🟡 Medium   ⏱ 5–30 min  Last verified: 4 November 2023 📖 ~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 […]

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Debian 12 — lynis — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — lynis — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-3986 CVE-2017-8108 CVE-2019-13033 CVE-2020-13882 Upstream summary: include/tests_webservers in Lynis before 1.5.5 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/lynis.*.unsorted file with an […]

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Amazon Linux 2 — kernel-livepatch-4.14.328-248.540 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.328-248.540 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2024-163 Related CVEs: CVE-2023-6040 CVE-2023-6606 CVE-2023-6932 Upstream summary: An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a […]

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How to Install Forgejo on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Forgejo on Debian 12

Introduction Deploying install forgejo on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure […]

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Установка Git в Ubuntu 18.04 [Краткое руководство] — step-by-step Linux tutorial on Progressive Robot

Установка Git в Ubuntu 18.04 [Краткое руководство]

Системы контроля версий помогают осуществлять обмен данными и сотрудничать в рамках проектов разработки программного обеспечения. Git — одна из наиболее популярных систем управления версиями из доступных сегодня. Это руководство поможет выполнить установку и настройку Git на…

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Debian 12 — open-vm-tools — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — open-vm-tools — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1142 CVE-2009-1143 CVE-2011-1681 CVE-2011-1787 CVE-2011-2145 CVE-2011-2146 CVE-2013-3237 CVE-2014-4199  +9 more Upstream summary: An issue was discovered in open-vm-tools 2009.03.18-154848. Local users can gain privileges via a symlink attack […]

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Debian 12 — node-css-what — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-css-what — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-33587 CVE-2022-21222 Upstream summary: The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the […]

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Cómo configurar claves de SSH en CentOS 7 — step-by-step Linux tutorial on Progressive Robot

Cómo configurar claves de SSH en CentOS 7

SSH, o shell seguro, es un protocolo cifrado que se usa para administrar servidores y comunicarse con ellos. Al trabajar con un servidor de CentOS, es probable que pase la mayor parte de su tiempo en una sesión de terminal conectada a su servidor a través de SSH. En esta…

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