November 2020 - Page 31 of 59

Gentoo Linux — sys-libs/kpmcore — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-libs/kpmcore — 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-202011-03 Related CVEs: CVE-2020-27187 Upstream summary: Improper checks on the D-Bus request received resulted in improper protection for /etc/fstab. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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How to Configure Vault PKI Secrets Engine on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Vault PKI Secrets Engine on SLES 12

Introduction This tutorial covers How to Configure Vault PKI Secrets Engine 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: […]

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Common Problems 117430

Ubuntu 20.04 LTS DHCP Lease Not Renewing

🟡 Medium   ⏱ 5–30 min  Last verified: 15 November 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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FreeBSD 12 — ceph — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ceph — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 November 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ceph14 — HTTP header injection via CORS ExposeHeader tag Related CVEs: CVE-2020-10753 CVE-2020-1759 CVE-2020-1760 Upstream summary: Red Hat bugzilla reports: A flaw was found in the Red Hat Ceph Storage […]

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Common Problems 113633

Windows Server 2012 R2 — TLS handshake to internal services fails after cipher policy changes — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 November 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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Ubuntu 20.04 — node-thenify — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-thenify — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 November 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6016-1 Related CVEs: CVE-2020-7677 Upstream summary: It was discovered that thenify incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input […]

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Common Problems 112500

Windows Server 2019 Windows Search Indexing High Disk Usage on File Server Volumes – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 15 November 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 Set Up ClamAV Antivirus on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up ClamAV Antivirus on Oracle Linux 8

Introduction Setting up set up clamav antivirus on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up ClamAV Antivirus on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]

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How To Use the PDO PHP Extension to Perform MySQL Transactions in PHP on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Use the PDO PHP Extension to Perform MySQL Transactions in PHP on Ubuntu 18.04

A MySQL transaction is a group of logically related SQL commands that are executed in the database as a single unit. Transactions are used to enforce ACID (Atomicity, Consistency, Isolation, and Durability compliance in an application. This is a set of standards that govern the reliability of processing operations in a database. In this tutorial, you will use the PDO PHP Extension, which provides an interface for working with databases in PHP, to perform MySQL transactions.

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