ubuntu

Common Problems 116498

Ubuntu 24.04 LTS GRUB Update Fails After Package Upgrade

🟠 High   ⏱ 5–30 min  Last verified: 9 June 2025 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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Common Problems 116404

Ubuntu 24.04 LTS – apt update fails with Release file not valid yet – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 9 June 2025 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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How to Manage Docker Images and Containers on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Kubernetes with kubeadm on Ubuntu 24.04

kubeadm is the official tool for bootstrapping a production-grade Kubernetes cluster. This guide installs Kubernetes 1.30 on Ubuntu 24.04 LTS using kubeadm on a single control-plane node with worker nodes. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS servers (1 control-plane + at least 1 worker) Minimum 2 vCPUs and 2 GB […]

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Ubuntu 22.04 — slurm-wlm — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — slurm-wlm — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 June 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8236-1 Related CVEs: CVE-2023-49933 CVE-2023-41914 CVE-2025-43904 CVE-2023-49937 CVE-2023-49938 CVE-2022-29500 CVE-2022-29501 CVE-2022-29502 Upstream summary: It was discovered that Slurm did not correctly handle certain file system operations. An attacker could possibly […]

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Ubuntu 20.04 — openjpeg2 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — openjpeg2 — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 June 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7757-1 Related CVEs: CVE-2025-54874 CVE-2025-50952 CVE-2024-56826 CVE-2024-56827 CVE-2021-29338 CVE-2021-3575 CVE-2022-1122 CVE-2023-39327  +8 more Upstream summary: It was discovered that OpenJPEG did not properly handle memory when decompressing certain image files. […]

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Common Problems 116398

Ubuntu 24.04 LTS APT Lock Contention During Package Operations

🟡 Medium   ⏱ 5–30 min  Last verified: 7 June 2025 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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Ubuntu 20.04 — python-virtualenv — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-virtualenv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 June 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7271-1 Related CVEs: CVE-2024-53899 Upstream summary: It was discovered that virtualenv incorrectly handled paths when activating virtual environments. An attacker could possibly use this issue to execute arbitrary code. Table […]

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Ubuntu 24.04 — php-twig — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — php-twig — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 June 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7549-1 Related CVEs: CVE-2024-45411 CVE-2024-51754 Upstream summary: It was discovered that Twig did not correctly handle securing user input. An attacker could possibly use this issue to cause Twig to […]

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Ubuntu 24.04 — open-vm-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — open-vm-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 June 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7785-1 Related CVEs: CVE-2025-41244 CVE-2025-22247 Upstream summary: It was discovered that Open VM Tools incorrectly handled permissions with version checking. An attacker could possibly use this issue to escalate privileges […]

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Ubuntu 24.04 — cacti — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — cacti — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 June 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6969-1 Related CVEs: CVE-2024-25641 CVE-2024-29894 CVE-2024-31443 CVE-2024-31444 CVE-2024-31445 CVE-2024-31458 CVE-2024-31459 CVE-2024-31460  +1 more Upstream summary: It was discovered that Cacti did not properly apply checks to the "Package Import" feature. […]

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