Package Management

Common Problems 117902

NO_PUBKEY Error for Third-Party apt Repository

🟡 Medium   ⏱ 5–30 min  Last verified: 24 August 2019 📖 ~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 Install Gradle Build Tool on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Gradle Build Tool on Debian 9

Introduction This guide explains how to Install Gradle Build Tool on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]

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How to Monitor Nginx Access Logs with GoAccess on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Monitor Nginx Access Logs with GoAccess on RHEL 8

GoAccess is an open-source, real-time web log analyzer that generates interactive HTML reports and live terminal dashboards directly from Nginx access logs. It requires no database, no JavaScript framework, and no persistent service — a single command can parse millions of log entries in seconds. On RHEL 8 the package is available from the EPEL […]

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FreeBSD 12 — mpv — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mpv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mpv — arbitrary code execution via crafted website Related CVEs: CVE-2018-6360 Upstream summary: mpv developers report: mpv through 0.28.0 allows remote attackers to execute arbitrary code via a crafted web […]

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Amazon Linux 2 — libsolv — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libsolv — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1374 Related CVEs: CVE-2018-20532 CVE-2018-20533 CVE-2018-20534 Upstream summary: There is an illegal address access at ext/testcase.c in libsolv.a in libsolv through 0.7.2 that will cause a denial of service. NOTE: […]

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Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide (ELSA-2019-1518)

🟡 Medium   ⏱ 10–30 min  Last verified: 24 August 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1518 Related CVEs: CVE-2019-2684 CVE-2019-2602 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Configure TeamCity Build Agent on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure TeamCity Build Agent on SLES 15

Introduction This tutorial covers How to Configure TeamCity Build Agent on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper […]

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FreeBSD 12 — avahi-gtk — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — avahi-gtk — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: avahi — denial of service Related CVEs: CVE-2010-2244 CVE-2011-1002 Upstream summary: Avahi developers reports: A vulnerability has been reported in Avahi, which can be exploited by malicious people to cause […]

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