Linux

Common Problems 119989

Debian 12: Disk full under /var due to journal growth

🟠 High   ⏱ 5–30 min  Last verified: 13 December 2024 Affected versions: Debian 12 📖 ~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 116602

Ubuntu 24.04 LTS – AppArmor denies block service startup

🟠 High   ⏱ 5–30 min  Last verified: 13 December 2024 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 📖 ~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 […]

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Common Problems 116577

Ubuntu 24.04 LTS – enabling UFW blocks SSH access – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 13 December 2024 Affected versions: Ubuntu 24.04 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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Debian 12 — rabbitmq-server — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rabbitmq-server — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 December 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-9494 CVE-2014-9649 CVE-2014-9650 CVE-2015-0862 CVE-2015-8786 CVE-2016-9877 CVE-2017-4965 CVE-2017-4966  +11 more Upstream summary: RabbitMQ before 3.4.0 allows remote attackers to bypass the loopback_users restriction via a crafted X-Forwareded-For header. […]

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Amazon Linux 2023 — cuda-demo-suite-12-8 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — cuda-demo-suite-12-8 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023NVIDIA-2025-030 Related CVEs: CVE-2024-53870 CVE-2024-53871 CVE-2024-53875 Upstream summary: NVIDIA CUDA toolkit for all platforms contains a vulnerability in the cuobjdump binary, where a user could cause an out-of-bounds read by […]

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Debian 12 — mafft — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mafft — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 December 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4971 Upstream summary: mafft-homologs in mafft 6.240 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/_vf#?????, (2) /tmp/_if#?????, (3) /tmp/_pf#?????, (4) /tmp/_af#?????, (5) […]

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How to Configure Unattended Upgrades on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

Initial Server Setup with Ubuntu 24.04 LTS

After spinning up a fresh Ubuntu 24.04 LTS server, a few essential steps harden the system, create a non-root administrative account, and prepare it for production workloads. This guide walks through every step from first login to a locked-down, up-to-date server. Tested and valid on: Ubuntu 24.04 LTS Prerequisites A fresh Ubuntu 24.04 LTS server […]

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Oracle Linux 9 — owO: thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — owO: thunderbird — vulnerability — patch and remediation guide (ELSA-2024-1940)

🟢 Low   ⏱ 5–15 min  Last verified: 13 December 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1940 Related CVEs: CVE-2024-3302 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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Cara Menginstal MongoDB pada Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Cara Menginstal MongoDB pada Ubuntu 20.04

MongoDB adalah basis data dokumen sumber terbuka yang banyak digunakan dalam aplikasi web modern. MongoDB digolongkan sebagai basis data NoSQL karena tidak bergantung pada struktur basis data relasional berbasis tabel tradisional. Alih-alih, MongoDB menggunakan dokumen seperti JSON dengan skema dinamis. Dalam tutorial ini, Anda akan menginstal MongoDB pada server Ubuntu 20.04, mengujinya, dan mempelajari cara mengelolanya sebagai layanan systemd.

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openSUSE Leap 15.6 — znc — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — znc — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:0203-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-39844 Upstream summary: In ZNC before 1.9.1, remote code execution can occur in modtcl via a KICK. Table of contents Symptom & Impact Environment […]

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