December 2020 - Page 49 of 69

How To Install Git on Debian 7 — step-by-step Linux tutorial on Progressive Robot

How To Install Git on Debian 7

This tutorial covers how to install Git on Debian 7 via apt-get and from the source. Git is a version control system distributed under the terms of the GNU General Public License v.2 since its release in 2005. It allows for non-linear development of projects and can handle large amounts of data effectively.

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How to Install PostgreSQL on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install PostgreSQL on RHEL 8

PostgreSQL is a powerful, standards-compliant open-source relational database known for its extensibility, advanced data types, and strict ACID compliance. RHEL 8’s AppStream makes multiple PostgreSQL major versions available as installable modules, so you can target a specific release without managing external repositories. This guide demonstrates installing PostgreSQL 13 via the AppStream module system, initialising the […]

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Common Problems 125134

Oracle Linux 8 – Common Problem 017 – Diagnosis and Fix

🟢 Low   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Oracle Linux 8 📖 ~3 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 121498

NTP Drift Breaking TLS and Scheduled Jobs

🟠 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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Common Problems 118591

Ubuntu 16.04 Sudo Shows Unable to Resolve Host on Every Command

🟡 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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Ubuntu 16.04 — raptor — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — raptor — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7868-1 Related CVEs: CVE-2017-18926 CVE-2020-25713 Upstream summary: Hanno Böck discovered that Raptor incorrectly handled memory operations when processing certain input files. An attacker could use this issue to cause Raptor […]

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Common Problems 118533

Ubuntu 16.04 LTS – stale lock files remain after interrupted updates – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 16.04 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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