Package Management

How to Tune Network Parameters with no on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Tune Network Parameters with no 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 tune network parameters with no on ibm aix 7.2 […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 17 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xtrlock — xtrlock does not block multitouch events Related CVEs: CVE-2005-0079 CVE-2016-10894 Upstream summary: Debian reports: xtrlock did not block multitouch events so an attacker could still input and thus […]

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

Oracle Linux 8 — ghostscript — vulnerability — patch and remediation guide (ELSA-2019-2591)

🟠 High   ⏱ 15–60 min  Last verified: 17 August 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-2591 Related CVEs: CVE-2019-14812 CVE-2019-14813 CVE-2019-14817 CVE-2019-14811 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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How to Install and Configure Postfix Mail Server on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Postfix Mail Server on RHEL 8

Postfix is a high-performance, security-focused Mail Transfer Agent (MTA) that ships with RHEL 8 and is the default replacement for Sendmail. It handles the delivery of outbound email and, when configured correctly, accepts inbound mail for local users. Understanding Postfix is foundational for any RHEL administrator who needs to send system alerts, application notifications, or […]

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FreeBSD 12 — zh-wordpress-zh_CN — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zh-wordpress-zh_CN — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wordpress — XSS Related CVEs: CVE-2010-4257 CVE-2013-0235 CVE-2013-0236 CVE-2013-0237 CVE-2013-2199 CVE-2013-2200 CVE-2013-2201 CVE-2013-2202  +12 more Upstream summary: The WordPress team reports: A cross-site scripting (XSS) vulnerability affecting the Avatar block […]

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How to Automate SLES 15 with Ansible — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Automate SLES 15 with Ansible

Introduction This tutorial covers How to Automate SLES 15 with Ansible 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. Step 1 — Install Ansible zypper install -y ansible Step 2 — Configure […]

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FreeBSD 12 — phpmailer — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — phpmailer — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: phpmailer — Multiple vulnerability Related CVEs: CVE-2016-10033 CVE-2016-10045 CVE-2017-11503 CVE-2017-5223 CVE-2018-19296 Upstream summary: The PHPMailer Team reports: CVE-2018-19296:Fix potential object injection vulnerability. Table of contents Symptom & Impact Environment & […]

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Alpine Linux edge — libseccomp — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libseccomp — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.4.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libseccomp 2.4.0-r0 Related CVEs: CVE-2019-9893 Upstream summary: Alpine main repository for vedge ships libseccomp 2.4.0-r0 which addresses CVE-2019-9893. Table of contents Symptom & Impact Environment […]

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

FreeBSD 12 — openarena — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: id Tech 3 — remote code execution vulnerability Related CVEs: CVE-2017-6903 Upstream summary: The content auto-download of id Tech 3 can be used to deliver maliciously crafted content, that triggers […]

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Alpine Linux edge — libdwarf — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libdwarf — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.9.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libdwarf 0.9.2-r0 Related CVEs: DW202402-001 DW202402-002 DW202402-003 DW202403-001 CVE-2019-14249 CVE-2015-8538 Upstream summary: Alpine main repository for vedge ships libdwarf 0.9.2-r0 which addresses DW202402-001. Table of […]

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