Ubuntu 22.04

Ubuntu 22.04 — backport-iwlwifi-dkms — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — backport-iwlwifi-dkms — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 June 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5708-1 Related CVEs: CVE-2022-41674 CVE-2022-42719 CVE-2022-42720 CVE-2022-42721 CVE-2022-42722 https://launchpad.net/bugs/1994525 Upstream summary: Sönke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading […]

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Common Problems 117110

Ubuntu 22.04 LTS Fail2ban Not Banning Attackers Due to Journal Backend Misconfig

🟡 Medium   ⏱ 5–30 min  Last verified: 5 June 2022 📖 ~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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Common Problems 117039

Ubuntu 22.04 LTS – OpenSSL certificate chain errors break wget and curl

🟠 High   ⏱ 5–30 min  Last verified: 4 June 2022 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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 116963

Ubuntu 22.04 LTS – snap downloads stall or hang indefinitely – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 2 June 2022 Affected versions: Ubuntu 22.04 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 22.04 — awstats — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — awstats — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 June 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5899-1 Related CVEs: CVE-2022-46391 Upstream summary: It was discovered that AWStats did not properly sanitize the content of whois responses in the hostinfo plugin. An attacker could possibly use this […]

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Ubuntu 22.04 — wireshark — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — wireshark — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 June 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7552-1 Related CVEs: CVE-2021-4185 CVE-2022-0582 CVE-2022-0586 CVE-2022-3190 CVE-2021-4182 CVE-2022-0585 CVE-2021-39929 CVE-2021-4186  +2 more Upstream summary: It was discovered that Wireshark did not correctly handle recursion. If a user or system […]

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Common Problems 117059

Ubuntu 22.04 LTS – swap is disabled and memory pressure triggers OOM kills

🟠 High   ⏱ 5–30 min  Last verified: 1 June 2022 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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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How To Install and Secure Grafana on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Secure Grafana on Ubuntu 22.04

Grafana is an open-source data visualization and monitoring tool that integrates with complex data sources like Prometheus and ElasticSearch. Grafana lets you create alerts, notifications, and ad-hoc filters for your data while also making collaboration with your teammates easier through built-in sharing features. In this tutorial, you will install Grafana and secure it with an SSL certificate and an Nginx reverse proxy. You will also set up GitHub authentication.

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