ubuntu

Ubuntu 24.04 — wheel — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — wheel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 June 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8221-1 Related CVEs: CVE-2026-24049 Upstream summary: It was discovered that wheel did not correctly handle certain file paths. If a user or automated system were tricked into opening a specially […]

Read more
Ubuntu 24.04 — rustc-1.74 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — rustc-1.74 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 June 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8168-1 Related CVEs: CVE-2026-33056 Upstream summary: It was discovered that tar-rs embedded in rustc incorrectly handled symlinks when unpacking a tar archive. If a user or automated system were tricked […]

Read more
How to Set Up Two-Factor Authentication (2FA) for SSH on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up WireGuard VPN on Ubuntu 26.04

WireGuard is a modern, high-performance VPN protocol built into the Linux kernel. It is faster and simpler than OpenVPN and IPsec, using state-of-the-art cryptography. This guide sets up a WireGuard VPN server on Ubuntu 26.04 LTS and connects a client. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server with a public […]

Read more
Common Problems 115986

Ubuntu 26.04 LTS – Kubelet not registering node due to cgroup mismatch – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 June 2026 Affected versions: Ubuntu 26.04 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 […]

Read more
Common Problems 115999

Ubuntu 26.04 LTS – Secure Boot blocks third-party kernel module loading

🟡 Medium   ⏱ 5–30 min  Last verified: 15 June 2026 Affected versions: Ubuntu 26.04 LTS Ubuntu 26.04 Ubuntu 26.04.1 📖 ~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 […]

Read more
Ubuntu 22.04 — inetutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — inetutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 June 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7992-1 Related CVEs: CVE-2026-24061 CVE-2022-39028 CVE-2023-40303 Upstream summary: Kyu Neushwaistein discovered that telnetd in Inetutils incorrectly handled certain environment variables. A remote attacker could use this issue to bypass authentication […]

Read more
Ubuntu 16.04 — libvpx — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libvpx — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 June 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7551-1 Related CVEs: CVE-2025-5283 CVE-2024-5197 CVE-2023-44488 CVE-2023-5217 CVE-2020-0034 CVE-2017-13194 CVE-2019-2126 CVE-2019-9232  +3 more Upstream summary: It was discovered that libvpx did not properly manage memory. An attacker could possibly use […]

Read more
Ubuntu 14.04 — nss — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — nss — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 June 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8071-2 Related CVEs: CVE-2026-2781 CVE-2023-0767 CVE-2022-22747 CVE-2022-34480 CVE-2021-43527 CVE-2020-12403 CVE-2020-12400 CVE-2020-12401  +12 more Upstream summary: USN-8071-1 fixed a vulnerability in nss. This update provides the corresponding fix for Ubuntu 14.04 […]

Read more
How to Set Up a Git Server with Gitea on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Register a GitHub Actions Self-Hosted Runner on Ubuntu 26.04

GitHub Actions self-hosted runners allow you to run CI/CD workflows on your own hardware, giving you full control over the environment, installed tools, network access, and compute resources. This guide registers and configures a GitHub Actions self-hosted runner on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A GitHub […]

Read more
How to Configure Nginx Server Blocks (Virtual Hosts) on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure Apache Virtual Hosts on Ubuntu 26.04

Apache virtual hosts allow a single Apache installation to serve multiple websites, each with its own configuration, document root, and domain name. This guide sets up an Apache virtual host on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server with Apache installed A domain name pointed to your […]

Read more
CHAT