Fix Prevention

How to Set Up iSCSI Target Server on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up iSCSI Target Server on Windows Server 2012 R2

How to Set Up iSCSI Target Server on Windows Server 2012 R2 iSCSI (Internet Small Computer Systems Interface) is a storage networking protocol that enables block-level storage access over a standard TCP/IP network. Windows Server 2012 R2 includes a built-in iSCSI Target Server role service that allows you to create and manage iSCSI targets — […]

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FreeBSD 12 — nfsen — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — nfsen — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nfsen — remote command execution Upstream summary: Peter Haag reports: A remote attacker with access to the web interface to execute arbitrary commands on the host operating system. Table of […]

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Ubuntu 18.04 — bzip2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — bzip2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4038-3 Related CVEs: https://launchpad.net/bugs/1834494 CVE-2016-3189 CVE-2019-12900 Upstream summary: USN-4038-1 fixed a vulnerability in bzip2. The update introduced a regression causing bzip2 to incorrect raises CRC errors for some files. We […]

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Ubuntu 16.04 — php-imagick — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — php-imagick — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 October 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4586-2 Related CVEs: CVE-2019-11037 Upstream summary: USN-4586-1 fixed vulnerabilities in PHP ImageMagick. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that PHP […]

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SLES 15 — libpotrace0 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libpotrace0 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2016-8685 CVE-2016-8686 CVE-2013-7437 CVE-2017-12067 Upstream summary: The findnext function in decompose.c in potrace 1.13 allows remote attackers to cause a denial of service (invalid memory […]

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How to Configure MPLS on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure MPLS on Windows Server 2016

How to Configure Windows Server 2016 Multiprotocol Label Switching Multiprotocol Label Switching (MPLS) is a high-performance routing technique that directs data from one node to the next based on short path labels rather than long network addresses. It has traditionally been the domain of service provider networks, but with the evolution of software-defined networking (SDN), […]

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

Oracle Linux 8 — wavpack — vulnerability — patch and remediation guide (ELSA-2020-1581)

🟢 Low   ⏱ 5–15 min  Last verified: 15 October 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1581 Related CVEs: CVE-2018-19840 CVE-2019-1010315 CVE-2019-1010319 CVE-2018-19841 CVE-2019-11498 CVE-2019-1010317 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 115568

RHEL 7 service Docker Fails to Start After Kernel Update

🟡 Medium   ⏱ 5–30 min  Last verified: 14 October 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 Elasticsearch on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install Elasticsearch on SLES 12

Introduction This tutorial covers How to Install Elasticsearch 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: zypper refresh && […]

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Common Problems 113465

Windows Server 2012 R2 — DHCP scope exhaustion caused by stale reservations and delayed lease reclamation — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 14 October 2019 Affected versions: Windows Server 2012 R2 📖 ~2 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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