Operations

How to Use nmon for Performance Monitoring on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use nmon for Performance Monitoring on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use nmon for performance monitoring on IBM AIX 7.3 […]

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Debian 11 — velocity — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — velocity — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-13936 Upstream summary: An attacker that is able to modify Velocity templates may execute arbitrary Java code or run arbitrary system commands with the same privileges as the […]

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Debian 11 — libvt-ldap-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libvt-ldap-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-3607 Upstream summary: DefaultHostnameVerifier in Ldaptive (formerly vt-ldap) does not properly verify that the server hostname matches a domain name in the subject's Common Name (CN) field of […]

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Debian 11 — libxstream-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libxstream-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-7285 CVE-2016-3674 CVE-2017-7957 CVE-2019-10173 CVE-2020-26217 CVE-2020-26258 CVE-2020-26259 CVE-2021-21341  +12 more Upstream summary: Xstream API versions up to 1.4.6 and version 1.4.10, if the security framework has not been […]

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Debian 11 — jquery-goodies — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — jquery-goodies — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-23395 Upstream summary: jQuery Cookie 1.4.1 is affected by prototype pollution, which can lead to DOM cross-site scripting (XSS). Table of contents Symptom & Impact Environment & Reproduction […]

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Gentoo Linux — app-admin/rsyslog — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-admin/rsyslog — 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-202408-28 Related CVEs: CVE-2022-24903 Upstream summary: Multiple vulnerabilities have been discovered in rsyslog. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Ubuntu 18.04 — node-json5 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-json5 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6758-1 Related CVEs: CVE-2022-46175 Upstream summary: It was discovered that the JSON5 parse method incorrectly handled the parsing of keys named \_\_proto\_\_. An attacker could possibly use this issue to […]

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Ubuntu 22.04 — tika — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — tika — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 December 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7529-1 Related CVEs: CVE-2022-33879 CVE-2022-30126 CVE-2022-30973 CVE-2020-1950 CVE-2020-1951 Upstream summary: It was discovered that Apache Tika can have an excessive memory usage by using a crafted or corrupt PSD file. […]

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

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2022-4589)

🟠 High   ⏱ 15–60 min  Last verified: 10 December 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4589 Related CVEs: CVE-2022-29912 CVE-2022-29916 CVE-2022-29911 CVE-2022-29917 CVE-2022-29909 CVE-2022-29913 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Configure Windows Server 2022 with PowerShell DSC — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 with PowerShell DSC

Introduction to Podman on Windows Server 2022 Podman is an OCI-compatible container engine developed by Red Hat that runs containers without requiring a central daemon process. Unlike Docker, which relies on a long-running dockerd daemon process running as root, Podman uses a fork-exec model where each container runs as a direct child process of the […]

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