June 2021 - Page 63 of 66

Common Problems 117561

Ubuntu 20.04 LTS – snapd refresh stuck and snap applications fail to update – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 20.04 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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How to Enable Automatic Security Updates on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Enable Automatic Security Updates on FreeBSD 13

Introduction This guide explains how to Enable Automatic Security Updates on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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FreeBSD 13 — darkhttpd — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — darkhttpd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: darkhttpd — DOS vulnerability Related CVEs: CVE-2020-25691 Upstream summary: Mitre reports: flaw was found in darkhttpd. Invalid error handling allows remote attackers to cause denial-of-service by accessing a file with […]

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FreeBSD 12 — tt-rss — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — tt-rss — multiple vulnerabilities (7 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: tt-rss — multiple vulnerabilities Related CVEs: CVE-2016-10033 CVE-2016-10045 CVE-2016-6175 CVE-2017-5223 CVE-2020-25787 CVE-2020-25788 CVE-2020-25789 Upstream summary: tt-rss project reports: The cached_url feature mishandles JavaScript inside an SVG document. imgproxy in plugins/af_proxy_http/init.php […]

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How to Configure NIM Master Server on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure NIM Master Server on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure nim master server on ibm aix 7.2 on […]

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How to Extend the Active Directory Schema on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Extend the Active Directory Schema on Windows Server 2012 R2

How to Extend the Active Directory Schema on Windows Server 2012 R2 The Active Directory schema defines every object class and attribute that can exist in the directory. While the default schema covers most administrative and application needs, there are scenarios that require extending it — most commonly when installing Microsoft applications like Exchange Server, […]

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FreeBSD 13 — hive — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — hive — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: hive — authorization logic vulnerability Related CVEs: CVE-2015-7521 Upstream summary: Sushanth Sowmyan reports: Some partition-level operations exist that do not explicitly also authorize privileges of the parent table. This can […]

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FreeBSD 13 — php70-bz — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php70-bz — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-8879 CVE-2016-5385 CVE-2016-5399 CVE-2016-6288 CVE-2016-6289 CVE-2016-6290 CVE-2016-6291 CVE-2016-6292  +4 more Upstream summary: PHP reports: Fixed bug #69975 (PHP segfaults when accessing nvarchar(max) defined columns) […]

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