September 2019 - Page 28 of 66

FreeBSD 12 — dhcpcd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — dhcpcd — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dhcpcd — remote code execution/denial of service Related CVEs: CVE-2014-7912 CVE-2014-7913 CVE-2016-1503 CVE-2016-1504 Upstream summary: MITRE reports: The get_option function in dhcp.c in dhcpcd before 6.2.0, as used in dhcpcd […]

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Common Problems 118970

Ubuntu 14.04 LTS High I/O Wait from ext4 Journal Saturation

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 14.04 LTS 📖 ~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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Common Problems 115621

Stale NFS file handle errors after server-side changes

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 Packer Image Builder on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Packer Image Builder on Debian 9

Introduction Deploying install packer image builder on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

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Ubuntu 18.04 — patch — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — patch — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4071-1 Related CVEs: CVE-2019-13636 CVE-2019-13638 Upstream summary: It was discovered that Patch incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information. (CVE-2019-13636) It was […]

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Common Problems 113100

Windows Server 2016 — VLAN mismatch causes intermittent network reachability — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 May 2026 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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Ubuntu 16.04 — libmspack — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libmspack — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4066-1 Related CVEs: CVE-2019-1010305 CVE-2018-18584 CVE-2018-18585 CVE-2018-14679 CVE-2018-14680 CVE-2018-14681 CVE-2018-14682 CVE-2017-11423  +1 more Upstream summary: It was discovered that libmspack incorrectly handled certain CHM files. A remote attacker could possibly […]

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Common Problems 113064

Windows Server 2016 — AD Recycle Bin recovery needed to restore accidentally deleted user object — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 06 July 2027 Affected versions: Windows Server 2016 📖 ~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 Errors […]

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Common Problems 113008

Windows Server 2016 – iSCSI initiator driver sessions fail to reconnect – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 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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How to Configure Tenant Virtual Networks on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Tenant Virtual Networks on Windows Server 2016

How to Configure Windows Server 2016 Tenant Virtual Networks Tenant virtual networks in Windows Server 2016 are software-defined network constructs managed by the SDN Network Controller. They provide isolated, routable network environments for individual tenants or business units, enabling multiple parties to share the same physical infrastructure without interference. Each tenant virtual network has its […]

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