April 2021 - Page 43 of 62

Common Problems 115408

RHEL 7 Legacy service Script Returns status dead

🟡 Medium   ⏱ 5–30 min  Last verified: 10 April 2021 📖 ~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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Gentoo Linux — net-libs/tox — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-libs/tox — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202403-01 Related CVEs: CVE-2021-44847 Upstream summary: A vulnerability has been discovered in btrbk. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Common Problems 113515

Windows Server 2012 R2 — Static routes lost after reboot due to persistent store misconfiguration in Server 2019 — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 10 April 2021 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]

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How to Configure Windows Server 2016 for SAML SSO Integration — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Windows Server 2016 for SAML SSO Integration

Introduction Active Directory Federation Services (AD FS) on Windows Server 2016 enables SAML 2.0-based Single Sign-On, allowing users to authenticate once against on-premises Active Directory and access cloud and partner applications without re-entering credentials. This guide covers configuring AD FS for SAML-based SSO integration. Installing AD FS Install the AD FS role and create a […]

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Arch Linux — powerdns — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — powerdns — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201903-13 Related CVEs: CVE-2019-3871 CVE-2018-1046 CVE-2021-36754 CVE-2018-14626 CVE-2018-10851 CVE-2016-7074 CVE-2016-7073 CVE-2016-7072  +3 more Upstream summary: Type: insufficient validation. Status: Fixed. Affected: 4.1.6-2. Fixed in: 4.1.7-1. Group: AVG-927. Table of contents […]

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Install MongoDB on Linux — step-by-step Linux tutorial on Progressive Robot

Install MongoDB on Linux

URL: https://www.progressiverobot.com/install-mongodb-linux/ Sometime back I wrote a post on how to [install MongoDB on Mac OS X](/community/tutorials/install-mongodb-mac). However most of the development usually happens on Unix/Linux machines. So today we will look into how to install MongoDB on linux system. Install MongoDB on Linux !install mongodb on linux Current version of MongoDB is 3.4.7 and […]

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IBM AIX 7.1 — CVE-2021-39085 — sql injection — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-39085 — sql injection — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 10 April 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-39085, IBM Support Bulletin CVE: CVE-2021-39085 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5, 6.1.0.0 through 6.1.0.4, and 6.1.1.0 through 6.1.1.1 is vulnerable to SQL injection. A remote attacker […]

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How To Use Variables in Ansible Playbooks — step-by-step Devops tutorial on Progressive Robot

How To Use Variables in Ansible Playbooks

Ansible supports the use of variables to better customize the execution of tasks and playbooks. This way, it’s possible to use the same playbook with different targets and environments. Variables can come from different sources, such as the playbook file itself or external variable files that are imported in the playbook. Learn more about Ansible variables in this short guide.

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Ubuntu 14.04 — wkhtmltopdf — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — wkhtmltopdf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 April 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6232-1 Related CVEs: CVE-2020-21365 Upstream summary: It was discovered that wkhtmltopdf was not properly enforcing the same-origin policy when processing certain HTML files. If a user or automated system using […]

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Arch Linux — erlang — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — erlang — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202101-39 Related CVEs: CVE-2020-35733 Upstream summary: Type: certificate verification bypass. Status: Fixed. Affected: 23.2-3. Fixed in: 23.2.2-1. Group: AVG-1457. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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