IT, Cloud & DevOps Blog

SLES 15 — eog — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — eog — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2016:2532-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-7447 CVE-2016-6855 Upstream summary: Integer overflow in the gdk_cairo_set_source_pixbuf function in gdk/gdkcairo.c in GTK+ before 3.9.8, as used in eom, gnome-photos, eog, gambas3, thunar, pinpoint, […]

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How to Configure Redis Cluster and Sentinel on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Redis Cluster and Sentinel on RHEL 8

Redis provides two high-availability mechanisms: Sentinel for automatic failover on a primary-replica setup, and Cluster for horizontal partitioning across multiple nodes. Both are production-grade solutions supported on RHEL 8 through the EPEL 8 repository or directly from the Redis package. Understanding when to use each helps you design a topology that meets your durability and […]

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Como Instalar e Configurar o VNC no Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

Como Instalar e Configurar o VNC no Ubuntu 16.04

VNC, ou “Virtual Network Computing”, é um sistema de conexão que lhe permite utilizar o seu teclado e mouse para interagir com um ambiente gráfico de desktop em um servidor remoto. Ele torna mais fácil gerenciar arquivos, software e configurações em um servidor remoto para…

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

Oracle Linux 8 — libvpx — vulnerability — patch and remediation guide (ELSA-2020-4629)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 December 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4629 Related CVEs: CVE-2019-2126 CVE-2019-9371 CVE-2019-9232 CVE-2019-9433 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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Common Problems 118102

Ubuntu 18.04 LTS user cannot log in after home directory permission drift

🟡 Medium   ⏱ 5–30 min  Last verified: 4 December 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 Install Apache on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Install Apache on SLES 15

Introduction This tutorial covers How to Install Apache on SLES 15 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 Apache zypper install -y apache2 Step 2 — Enable […]

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Common Problems 112903

Windows Server 2016 — DNS Server service crashes after zone reload — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 December 2019 Affected versions: Windows Server 2016 📖 ~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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