2020 - Page 244 of 735

Ubuntu 16.04 — netqmail — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — netqmail — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 August 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4621-1 Related CVEs: CVE-2005-1513 CVE-2005-1514 CVE-2005-1515 CVE-2020-3811 CVE-2020-3812 Upstream summary: It was discovered that netqmail did not properly handle certain input. Both remote and local attackers could use this vulnerability […]

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Common Problems 115100

Auditd backlog limit exceeded under heavy load

🟡 Medium   ⏱ 5–30 min  Last verified: 30 August 2020 📖 ~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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Common Problems 114890

RHEL 8 – DNF Metadata Cache Corruption Breaks Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 30 August 2020 📖 ~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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Common Problems 112606

Windows Server 2019 – WFP callout driver blocks RPC and domain traffic – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 August 2020 Affected versions: Windows Server 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 […]

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How to Install Nagios on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install Nagios on SLES 12

Introduction This tutorial covers How to Install Nagios 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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How to Configure Motif Applications on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Motif Applications 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 configure motif applications on ibm aix 7.1 on IBM […]

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How to Monitor Power System Hardware Faults on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Monitor Power System Hardware Faults 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 monitor power system hardware faults on ibm aix 7.1 […]

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

Oracle Linux 8 — memcached — vulnerability — patch and remediation guide (ELSA-2020-1576)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 August 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1576 Related CVEs: CVE-2019-11596 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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Java Convert String to XML Document and XML Document to String — step-by-step Programming tutorial on Progressive Robot

Java Convert String to XML Document and XML Document to String

URL: https://www.progressiverobot.com/java-convert-string-to-xml-document-and-xml-document-to-string/ Sometimes while programming in java, we get String which is actually an XML and to process it, we need to convert it to XML Document (org.w3c.dom.Document). Also for debugging purpose or to send to some other function, we might need to convert Document object to String. Here I am providing two utility functions. […]

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Initial Server Setup with CentOS — step-by-step Linux tutorial on Progressive Robot

Initial Server Setup with CentOS

When you first create a new CentOS server, there are a few configuration steps that you should take early on as part of the basic setup. This will increase the security and usability of your server and will give you a solid foundation for subsequent actions. This guide will cover setting up a non-root user with sudo, and setting up a basic firewall.

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