June 2021 - Page 14 of 66

Cómo instalar y configurar Nextcloud en Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Cómo instalar y configurar Nextcloud en Ubuntu 18.04

Nextcloud, una bifurcación de ownCloud, es un servidor para el intercambio de archivos que le permite almacenar su contenido personal, como documentos e imágenes, en una ubicación centralizada, similar a Dropbox. La diferencia con Nextcloud es que…

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

How to Configure Kerberos Authentication on Windows Server 2016

How to Configure Windows Server 2016 Kerberos Authentication Kerberos is the primary authentication protocol used by Windows Server 2016 in Active Directory domain environments. It replaced NTLM as the default authentication method starting with Windows 2000 and provides mutual authentication, stronger security guarantees, and better scalability than its predecessor. Kerberos uses tickets issued by the […]

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Alpine Linux edge — apache-ant — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — apache-ant — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.10.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — apache-ant 1.10.9-r0 Related CVEs: CVE-2020-11979 CVE-2020-1945 CVE-2021-36373 CVE-2021-36374 Upstream summary: Alpine community repository for vedge ships apache-ant 1.10.9-r0 which addresses CVE-2020-11979. Table of contents Symptom […]

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Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1796)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1796 Related CVEs: CVE-2020-29652 CVE-2021-20199 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Arch Linux — bluez — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — bluez — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202003-13 Related CVEs: CVE-2020-0556 CVE-2017-1000250 Upstream summary: Type: access restriction bypass. Status: Fixed. Affected: 5.53-1. Fixed in: 5.54-1. Group: AVG-1116. Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 13 — libproxy-kde — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libproxy-kde — 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: libproxy — stack-based buffer overflow Related CVEs: CVE-2012-4504 Upstream summary: Tomas Hoger reports: A buffer overflow flaw was discovered in the libproxy's url::get_pac() used to download proxy.pac proxy auto-configuration file. […]

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Common Problems 121568

Firewall Rules Blocking Internal Application Traffic

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 9 📖 ~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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FreeBSD 13 — ruby+pthreads — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ruby+pthreads — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ruby — UTF-7 encoding XSS vulnerability in WEBrick Related CVEs: CVE-2006-5467 CVE-2006-6303 CVE-2008-1447 CVE-2008-2726 CVE-2008-3655 CVE-2008-3656 CVE-2008-3905 CVE-2009-1904  +1 more Upstream summary: The official ruby site reports: WEBrick have had […]

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How to Configure Swap Space on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Swap Space on FreeBSD 13

Introduction How to Configure Swap Space on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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, […]

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Common Problems 115117

Auditd Stops Logging Due to Disk Full Condition

🟡 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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