Operations

How to Configure PowerShell Just Enough Administration (JEA) on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure PowerShell Just Enough Administration (JEA) on Windows Server 2012 R2

How to Configure PowerShell Just Enough Administration (JEA) on Windows Server 2012 R2 Just Enough Administration (JEA) is a PowerShell security technology that enables role-based access to administrative functions without granting full administrator privileges. Rather than making a helpdesk technician a local administrator to restart a service, JEA creates a constrained PowerShell endpoint where the […]

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Debian 11 — lpr — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lpr — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2000-1220 CVE-2000-1221 CVE-2003-0144 CVE-2003-0146 Upstream summary: The line printer daemon (lpd) in the lpr package in multiple Linux operating systems allows local users to gain root privileges by […]

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Debian 11 — ruby-i18n — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-i18n — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-4492 CVE-2014-10077 Upstream summary: Cross-site scripting (XSS) vulnerability in exceptions.rb in the i18n gem before 0.6.6 for Ruby allows remote attackers to inject arbitrary web script or HTML […]

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Ubuntu 16.04 — pdfresurrect — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — pdfresurrect — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 August 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5282-1 Related CVEs: CVE-2019-14267 CVE-2019-14934 CVE-2020-20740 CVE-2020-9549 CVE-2021-3508 Upstream summary: It was discovered that PDFResurrect was incorrectly handling corrupted PDF files. An attacker could possibly use this issue to cause […]

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How to Use Performance Monitor (perfmon) on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Use Performance Monitor (perfmon) on Windows Server 2016

How to Configure Windows Performance Monitor (perfmon) on Windows Server 2016 Windows Performance Monitor (perfmon) is a built-in diagnostic tool in Windows Server 2016 that provides real-time and historical visibility into hundreds of system performance counters. It can monitor CPU utilization, memory pressure, disk I/O, network throughput, and application-specific metrics from SQL Server, IIS, Active […]

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Common Problems 125083

Oracle Linux 8 – Common Problem 012 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 29 August 2021 Affected versions: Oracle Linux 8 📖 ~3 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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IBM AIX 7.2 — CVE-2021-38982 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-38982 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 29 August 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-38982, IBM Support Bulletin CVE: CVE-2021-38982 NVD summary: IBM Tivoli Key Lifecycle Manager 3.0, 3.0.1, 4.0, and 4.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code […]

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FreeBSD 12 — py311-markdown — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py311-markdown — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 August 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-markdown2 — regular expression denial of service vulnerability Related CVEs: CVE-2020-11888 CVE-2021-26813 Upstream summary: Ben Caller reports: markdown2 >=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of […]

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FreeBSD 13 — kvirc-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — kvirc-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kvirc — multiple vulnerabilities Related CVEs: CVE-2010-2451 CVE-2010-2452 Upstream summary: Two security vulnerabilities have been discovered: Multiple format string vulnerabilities in the DCC functionality in KVIrc 3.4 and 4.0 have […]

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How to Register SLES 12 with SUSE Customer Center — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Register SLES 12 with SUSE Customer Center

Introduction This tutorial covers How to Register SLES 12 with SUSE Customer Center 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: zypper […]

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