May 2020 - Page 29 of 69

How To Install DokuWiki with Nginx on an Ubuntu 12.04 VPS — step-by-step Linux tutorial on Progressive Robot

How To Install DokuWiki with Nginx on an Ubuntu 12.04 VPS

Wiki-style document editing is a very popular way of presenting content and allowing group collaboration. There are many different wiki applications available that each have their uses. DokuWiki is a small, contained wiki that does not rely on an entire database to get up and running. In this guide, we will install DokuWiki and serve it with Nginx on an Ubuntu 12.04 VPS.

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Debian 9 — ruby-loofah — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — ruby-loofah — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-16468 CVE-2018-8048 CVE-2019-15587 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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Common Problems 117955

Ubuntu 18.04 LTS – UFW rules applied but service still unreachable

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

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Gentoo Linux — www-servers/cherokee — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-servers/cherokee — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202012-09 Related CVEs: CVE-2006-1681 CVE-2019-20798 CVE-2019-20799 CVE-2019-20800 CVE-2020-12845 Upstream summary: Multiple vulnerabilities have been discovered in Cherokee. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

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Common Problems 114554

SSH Key Login Rejected on RHEL 9

🟡 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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How to Use AIX Backup and Restore (tar, cpio) on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use AIX Backup and Restore (tar, cpio) on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use aix backup and restore (tar, cpio) on ibm […]

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