IT, Cloud & DevOps Blog

HAProxy Network Error: cannot bind socket — step-by-step DevOps tutorial on Progressive Robot

HAProxy Network Error: cannot bind socket

An HAProxy cannot bind socket error message is generated when there is another process listening on the same interface and TCP port combination that HAProxy is configured to use, or when HAProxy attempts to use an IP address that is not assigned to a network interface. Both…

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FreeBSD 12 — linux-mozilla — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-mozilla — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mozilla — code execution via Quicktime media-link files Related CVEs: CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 CVE-2004-0717 CVE-2004-0718 CVE-2004-0721 CVE-2004-0722 CVE-2004-0757  +12 more Upstream summary: The Mozilla Foundation reports a vulnerability within the […]

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How to Deploy a Spring Boot Application on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Deploy a Spring Boot Application on RHEL 7

How to Deploy a Spring Boot Application on RHEL 7 Spring Boot has become the de facto standard for building production-ready Java microservices and web applications. Its embedded server model — packaging the entire application, including Tomcat or Jetty, into a single executable JAR — greatly simplifies deployment on Linux servers. Instead of managing a […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.9.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — cracklib 2.9.7-r0 Related CVEs: CVE-2016-6318 Upstream summary: Alpine main repository for vedge ships cracklib 2.9.7-r0 which addresses CVE-2016-6318. Table of contents Symptom & Impact Environment […]

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FreeBSD 12 — rubygem-ruby-saml — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-ruby-saml — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ruby-saml — XML signature wrapping attack Related CVEs: CVE-2016-5697 Upstream summary: RubySec reports: ruby-saml prior to version 1.3.0 is vulnerable to an XML signature wrapping attack in the specific scenario […]

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Common Problems 115600

Backup Script Fails Because Temporary Path Is noexec

🟡 Medium   ⏱ 5–30 min  Last verified: 9 October 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 Set Up Git via AIX Toolbox on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up Git via AIX Toolbox 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 set up git via aix toolbox on ibm aix […]

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How to Configure ArgoCD on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure ArgoCD on SLES 12

Introduction This tutorial covers How to Configure ArgoCD 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 date: zypper refresh && […]

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