Package Management

FreeBSD 12 — apache-ant — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — apache-ant — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 September 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Apache Ant leaks sensitive information via the java.io.tmpdir Related CVEs: CVE-2020-1945 Upstream summary: Apache reports: Apache Ant 1.1 to 1.9.14 and 1.10.0 to 1.10.7 uses the default temporary directory identified […]

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How to Use GPFS Snapshots on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use GPFS Snapshots on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use gpfs snapshots on ibm aix 7.1 on IBM […]

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How to Tune Kernel Parameters with sysctl on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Tune Kernel Parameters with sysctl on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up tune kernel parameters with sysctl on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any […]

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Oracle Linux 8 — librsvg2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — librsvg2 — vulnerability — patch and remediation guide (ELSA-2020-4709)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4709 Related CVEs: CVE-2019-20446 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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How to Install Go on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Go on Debian 10 (DEBIAN-10-2)

Introduction Deploying install go 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. Prerequisites Ensure Debian 10 Buster […]

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Ubuntu 14.04 — libmediainfo — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libmediainfo — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 September 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5237-1 Related CVEs: CVE-2020-15395 CVE-2020-26797 CVE-2019-11372 CVE-2019-11373 Upstream summary: It was discovered that MediaInfoLib incorrectly handled certain specially crafted files. An attacker could possibly use this issue to cause a […]

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How to Set Up Nginx as a Reverse Proxy on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Nginx as a Reverse Proxy on Debian 9

Introduction Deploying set up nginx as a reverse proxy 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. […]

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SLES 15 — libEMF1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libEMF1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 September 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:1621-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-11865 CVE-2020-11866 CVE-2020-13999 CVE-2020-11863 CVE-2020-11864 Upstream summary: libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows out-of-bounds memory access. Table of contents Symptom & Impact Environment […]

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How to Configure Multipath I/O on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Multipath I/O on Debian 10

Introduction How to Configure Multipath I/O on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. This […]

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Oracle Linux 8 — pki-core:10.6 and pki-deps:10.6 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — pki-core:10.6 and pki-deps:10.6 — vulnerability — patch and remediation guide (ELSA-2024-3061)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3061 Related CVEs: CVE-2020-36518 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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