Systemd Services

How to Set Up OpenMPI on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up OpenMPI on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up openmpi on ibm aix 7.2 on IBM […]

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How to Configure SSL/TLS with OpenSSL on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure SSL/TLS with OpenSSL on FreeBSD 12

Introduction This guide explains how to Configure SSL/TLS with OpenSSL on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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SLES 15 — u2f-host — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — u2f-host — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 October 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:1340-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-20340 Upstream summary: Yubico libu2f-host 1.1.6 contains unchecked buffers in devs.c, which could enable a malicious token to exploit a buffer overflow. An attacker could […]

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How to Set Up LVM Logical Volume Management on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up LVM Logical Volume Management on Debian 9

Introduction How to Set Up LVM Logical Volume Management on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 […]

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Oracle Linux 8 — python36:3.6 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python36:3.6 — vulnerability — patch and remediation guide (ELSA-2019-0984)

🟡 Medium   ⏱ 10–30 min  Last verified: 18 October 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-0984 Related CVEs: CVE-2019-7548 CVE-2019-7164 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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FreeBSD 12 — pcsc-lite — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — pcsc-lite — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Use-After-Free Vulnerability in pcsc-lite Related CVEs: CVE-2016-10109 Upstream summary: Peter Wu on Openwall mailing-list reports: The issue allows a local attacker to cause a Denial of Service, but can potentially […]

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How to Configure Network Bridging on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Network Bridging on Debian 9

Introduction How to Configure Network Bridging on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. This […]

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FreeBSD 12 — p5-Net-DNS — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — p5-Net-DNS — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p5-Net-DNS — multiple Vulnerabilities Related CVEs: CVE-2007-3377 CVE-2007-3409 Upstream summary: A Secunia Advisory reports: An error exists in the handling of DNS queries where IDs are incremented with a fixed […]

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

FreeBSD 12 — osc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: osc — shell command injection via crafted _service files Related CVEs: CVE-2015-0778 Upstream summary: SUSE Security Update reports: osc before 0.151.0 allows remote attackers to execute arbitrary commands via shell […]

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How to Configure PostgreSQL Point-in-Time Recovery on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure PostgreSQL Point-in-Time Recovery on Debian 9

Introduction This guide explains how to Configure PostgreSQL Point-in-Time Recovery 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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