Package Management

How to Install Munin Monitoring on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Munin Monitoring on Debian 9

Introduction Deploying install munin monitoring on debian 9 on a Debian 9 Stretch 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. Prerequisites Ensure Debian 9 […]

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SLES 15 — rsvg-view — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — rsvg-view — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 September 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:1310-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-20991 Upstream summary: An issue was discovered in the smallvec crate before 0.6.3 for Rust. The Iterator implementation mishandles destructors, leading to a double free. […]

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Oracle Linux 8 — poppler — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — poppler — vulnerability — patch and remediation guide (ELSA-2020-4643)

🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4643 Related CVEs: CVE-2019-14494 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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FreeBSD 12 — libgd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libgd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libgd — Denial of servica via double free Related CVEs: CVE-2017-6362 CVE-2017-7890 Upstream summary: libgd developers report: Double free vulnerability in the gdImagePngPtr function in libgd2 before 2.2.5 allows remote […]

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How to Set Up a Go Web Application on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up a Go Web Application on SLES 12

Introduction This tutorial covers How to Set Up a Go Web Application on SLES 12 on SLES 12. SLES 12 (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 12 system is up to […]

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Common Problems 114897

DNF Fails with Metadata Checksum Mismatch

🟡 Medium   ⏱ 5–30 min  Last verified: 28 September 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 Configure Harbor Container Registry on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure Harbor Container Registry on SLES 15

Introduction This tutorial covers How to Configure Harbor Container Registry 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 — proftpd-devel — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — proftpd-devel — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: proftpd — arbitrary code execution vulnerability with chroot Related CVEs: CVE-2008-4242 CVE-2008-4247 CVE-2009-0542 CVE-2009-0543 Upstream summary: The FreeBSD security advisory FreeBSD-SA-11:07.chroot reports: If ftpd is configured to place a user […]

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How to Install Podman as a Rootless Docker Alternative on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Podman as a Rootless Docker Alternative on RHEL 7

How to Install Podman as a Rootless Docker Alternative on RHEL 7 Podman is a daemonless, rootless container engine developed by Red Hat that is fully compatible with the OCI (Open Container Initiative) standard and largely compatible with the Docker CLI. Unlike Docker, Podman does not require a long-running background daemon running as root, which […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 28 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gtk-vnc — bounds checking vulnerabilities Related CVEs: CVE-2017-5884 CVE-2017-5885 Upstream summary: Daniel P. Berrange reports: CVE-2017-5884 – fix bounds checking for RRE, hextile and copyrect encodings CVE-2017-5885 – fix color […]

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