February 2020 - Page 5 of 64

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: portaudit — auditfile remote code execution Upstream summary: Michael Gmelin and Jörg Scheinert has reported a remote command execution vulnerability in portaudit. An attacker who can get the user to […]

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FreeBSD 12 — mono — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mono — multiple vulnerabilities (3 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: mono — DoS and code execution Related CVEs: CVE-2006-5072 CVE-2009-0217 CVE-2009-0689 Upstream summary: NCC Group reports: An attacker who can cause a carefully-chosen string to be converted to a floating-point […]

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How to Set Up PostgreSQL Streaming Replication on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up PostgreSQL Streaming Replication on RHEL 8

PostgreSQL streaming replication continuously ships Write-Ahead Log (WAL) records from a primary server to one or more standby replicas in near real time. The standby can serve as a warm failover target or, in hot-standby mode, accept read-only queries to offload reporting traffic from the primary. This tutorial configures a two-node streaming replication setup on […]

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openSUSE Tumbleweed — nsd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — nsd — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2012-2979 CVE-2016-6173 CVE-2019-13207 CVE-2020-28935 Upstream summary: FreeBSD NSD before 3.2.13 allows remote attackers to crash a NSD child server process (SIGSEGV) and cause a denial […]

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Common Problems 121040

Debian 10 – sshd Fails to Start After Config Change – Fast Validation Workflow

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 10 📖 ~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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openSUSE Tumbleweed — uuidd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — uuidd — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2015:0270-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-9114 CVE-2016-2779 CVE-2013-0157 CVE-2015-5218 Upstream summary: Blkid in util-linux before 2.26rc-1 allows local users to execute arbitrary code. Table of contents Symptom & Impact Environment […]

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How to Configure Samba on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Samba on FreeBSD 12

Introduction How to Configure Samba on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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Common Problems 118933

Ubuntu 14.04 LTS drops to initramfs BusyBox on boot

🟡 Medium   ⏱ 5–30 min  Last verified: 19 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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