September 2020 - Page 18 of 66

How To Install and Use PostgreSQL 9.4 on Debian 8 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use PostgreSQL 9.4 on Debian 8

Relational databases are the cornerstone of data organization for a multitude of needs. They power everything from online shopping to rocket launches. A database that is both venerable but very much still in the game is PostgreSQL. PostgreSQL follows most of the SQL standard, has ACID transactions, has support for foreign keys and views, and is still in active development.

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How To Configure BIND as a Private Network DNS Server on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Configure BIND as a Private Network DNS Server on Ubuntu 20.04

In this tutorial, you will set up an internal DNS server using two Ubuntu 20.04 servers. You will use the BIND name server software (BIND9) to resolve private hostnames and private IP addresses. This provides a central way to manage your internal hostnames and private IP addresses, which is indispensable when your environment expands to more than a few hosts.

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openSUSE Tumbleweed — cni-plugins — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — cni-plugins — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:1049-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-10749 Upstream summary: A vulnerability was found in all versions of containernetworking/plugins before version 0.8.6, that allows malicious containers in Kubernetes clusters to perform man-in-the-middle […]

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OpenBSD 7.5 — xserver — errata 018_xserver — multiple vulnerabilities (8 CVEs) — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — xserver — errata 018_xserver — multiple vulnerabilities (8 CVEs) — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 018_xserver Errata topic: Security: xserver (All architectures) Issued: February 25, 2025 Related CVEs: CVE-2025-26594 CVE-2025-26595 CVE-2025-26596 CVE-2025-26597 CVE-2025-26598 CVE-2025-26599 CVE-2025-26600 CVE-2025-26601 Upstream summary: Multiple X server issues. CVE-2025-26594 CVE-2025-26595 CVE-2025-26596 CVE-2025-26597 […]

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Oracle Linux 8 — nodejs:16 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:16 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-5360)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5360 Related CVEs: CVE-2022-25883 CVE-2023-32559 CVE-2023-32002 CVE-2023-32006 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Common Problems 114559

Cockpit Web Console Unreachable After Hardening

🟡 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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