2020 - Page 217 of 735

Debian 10 — xerces-c — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — xerces-c — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 September 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1311 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Установка веб-сервера Apache в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Установка веб-сервера Apache в Ubuntu 20.04

HTTP-сервер Apache — самый широко используемый веб-сервер в мире. Он имеет множество мощных функций, включая динамически загружаемые модули, надежную поддержку различных медиаформатов и интеграцию с другим популярным программным обеспечением. В этом обучающем руководстве мы…

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How To Install and Configure Postfix as a Send-Only SMTP Server on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure Postfix as a Send-Only SMTP Server on Ubuntu 18.04

Postfix is a mail transfer agent (MTA), an application used to send and receive email. It can be configured so that it can be used to send emails by local application only. In this tutorial, you’ll install and configure Postfix as a send-only SMTP server. You’ll also request free TLS certificates from Let’s Encrypt for your domain and encrypt the outbound emails using them.

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openSUSE Tumbleweed — libproxy1 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libproxy1 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:1676-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25219 CVE-2020-26154 CVE-2012-4504 Upstream summary: url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response […]

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How to Migrate Active Directory to Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Migrate Active Directory to Windows Server 2016

How to Set Up Windows Server 2016 Active Directory Migration Migrating an Active Directory environment is one of the most consequential infrastructure tasks an administrator can undertake. Whether you are consolidating domains after a merger, upgrading a forest functional level, or moving resources from a legacy environment to a new one, a structured migration plan […]

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Apache vs Nginx: Practical Considerations — step-by-step Web Servers tutorial on Progressive Robot

Apache vs Nginx: Practical Considerations

Apache and Nginx are the two most common open source web servers in the world. Together, they are responsible for serving over 50% of traffic on the internet. Both solutions are capable of handling diverse workloads and working with other software to provide a complete web…

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Common Problems 119120

Ubuntu 14.04 LTS Postfix Queue Growth from DNSBL Timeout

🟡 Medium   ⏱ 5–30 min  Last verified: 12 September 2020 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 117914

Ubuntu 18.04 no sound output on speakers or headset

🟡 Medium   ⏱ 5–30 min  Last verified: 12 September 2020 📖 ~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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Common Problems 113486

Windows Server 2012 R2 – Filesystem minifilter altitude conflict causes access denied spikes – Fix and Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 12 September 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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