Package Management

Debian 10 — vlc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — vlc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 June 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-13602 CVE-2020-6071 CVE-2020-13428 CVE-2020-26664 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Arch Linux — nsd — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — nsd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202012-18 Related CVEs: CVE-2020-28935 Upstream summary: Type: denial of service. Status: Fixed. Affected: 4.3.3-1. Fixed in: 4.3.4-1. Group: AVG-1327. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Ubuntu 20.04 — storebackup — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — storebackup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 June 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4508-1 Related CVEs: CVE-2020-7040 Upstream summary: It was discovered that StoreBackup did not properly manage lock files. A local attacker could use this issue to cause a denial of service […]

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Common Problems 118478

No space left on device in /var

🟡 Medium   ⏱ 5–30 min  Last verified: 29 June 2020 📖 ~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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How to Set Up Nginx as a Reverse Proxy on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Nginx as a Reverse Proxy on Debian 10

Introduction Deploying set up nginx as a reverse proxy on debian 10 on a Debian 10 Buster 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. […]

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Ubuntu 14.04 — uwsgi — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — uwsgi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 June 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5054-2 Related CVEs: CVE-2020-11984 Upstream summary: USN-5054-1 fixed a vulnerability in uWSGI for Ubuntu 18.04 LTS. This update provides the corresponding fixes for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. […]

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How to Set Up iSCSI Storage on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up iSCSI Storage on RHEL 7

How to Set Up iSCSI Storage on RHEL 7 iSCSI (Internet Small Computer System Interface) is a block-level network storage protocol that transports SCSI commands over TCP/IP networks. It is widely used in enterprise environments to provide shared block storage without the cost of dedicated Fibre Channel hardware. RHEL 7 ships with full iSCSI support […]

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Common Problems 117408

Ubuntu 20.04 LTS – dist-upgrade aborts with held broken packages

🟠 High   ⏱ 5–30 min  Last verified: 28 June 2020 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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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Debian 10 — awl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — awl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 June 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-11728 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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openSUSE Tumbleweed — python36-mysql-connector-python — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-mysql-connector-python — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:0409-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-2435 Upstream summary: Vulnerability in the MySQL Connectors component of Oracle MySQL (subcomponent: Connector/Python). Supported versions that are affected are 8.0.13 and prior and 2.1.8 […]

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