February 2023 - Page 14 of 64

Alpine Linux edge — libspf2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libspf2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.2.11-r4 📖 ~4 min read  •  Source: Alpine secdb entry — libspf2 1.2.11-r4 Related CVEs: CVE-2021-20314 CVE-2023-42118 CVE-2021-33912 CVE-2021-33913 Upstream summary: Alpine main repository for vedge ships libspf2 1.2.11-r4 which addresses CVE-2021-20314. Table of contents Symptom […]

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How to Install Prometheus and Grafana on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Install Prometheus and Grafana on SLES 15

Introduction This tutorial covers How to Install Prometheus and Grafana 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 Prometheus zypper install -y golang-github-prometheus-prometheus Step 2 […]

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openSUSE Tumbleweed — rage-encryption — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — rage-encryption — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:15094-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-22895 Upstream summary: The bzip2 crate before 0.4.4 for Rust allow attackers to cause a denial of service via a large file that triggers an […]

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How to Use IBM Guardium Database Security on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use IBM Guardium Database Security 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 use ibm guardium database security on ibm aix 7.1 […]

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CentOS Stream 9 — procps-ng — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — procps-ng — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 February 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:6705 Related CVEs: CVE-2023-4016 Upstream summary: The procps-ng packages contain a set of system utilities that provide system information, including ps, free, skill, pkill, pgrep, snice, tload, top, uptime, vmstat, w, […]

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Gentoo Linux — www-apache/modsecurity-crs — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-apache/modsecurity-crs — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202305-25 Related CVEs: CVE-2021-35368 CVE-2022-39955 CVE-2022-39956 CVE-2022-39957 CVE-2022-39958 Upstream summary: Multiple vulnerabilities have been discovered in OWASP ModSecurity Core Rule Set. Please review the CVE identifiers referenced below for details. Table of […]

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Oracle Linux 9 — squid — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — squid — vulnerability — patch and remediation guide (ELSA-2022-6839)

🟠 High   ⏱ 15–60 min  Last verified: 22 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6839 Related CVEs: CVE-2022-41318 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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Oracle Linux 8 — libxml2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libxml2 — vulnerability — patch and remediation guide (ELSA-2022-5317)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 February 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5317 Related CVEs: CVE-2022-29824 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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Windows Server 2022 — KB5029366 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5029366 — security update — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5029366 • MSRC update-guide entry Related CVEs: CVE-2023-36796 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (Server Core installation) Table of contents Symptom & Impact Environment & Reproduction […]

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Como usar o ps, kill e nice para gerenciar processos no Linux — step-by-step Linux tutorial on Progressive Robot

Como usar o ps, kill e nice para gerenciar processos no Linux

O gerenciamento de processos é uma habilidade essencial ao usar qualquer sistema de computador. Isso é ainda mais importante ao administrar um ambiente de servidor. Este artigo irá introduzir algumas ferramentas poderosas que podem ser usadas para gerenciar processos em um sistema Linux.

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