Linux

How To Set Up an OpenVPN Server on Debian 10 — step-by-step Linux tutorial on Progressive Robot

How To Set Up an OpenVPN Server on Debian 10

OpenVPN is a full-featured, open-source Secure Socket Layer (SSL) VPN solution that accommodates a wide range of configurations. In this tutorial, you will set up an OpenVPN server on a Debian 10 server and then configure access to it from Windows, OS X, iOS and/or Android devices. This tutorial will keep the installation and configuration steps as simple as possible for each of these setups.

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How to Configure Network Bonding and Teaming on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Network Bonding and Teaming on RHEL 8

Network bonding and teaming both combine multiple physical network interfaces into a single logical link, providing redundancy, increased throughput, or both. On RHEL 8, NetworkManager is the recommended way to configure both technologies using the nmcli command-line tool — no manual edits to legacy ifcfg files required. This tutorial covers creating an active-backup bond with […]

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Common Problems 121591

Debian 9 – mdadm RAID Degraded and Rebuild Stalled – Safe Recovery

🟠 High   ⏱ 5–30 min  Last verified: 20 July 2020 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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openSUSE Tumbleweed — libraw20 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libraw20 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-10528 CVE-2018-10529 CVE-2017-14265 CVE-2017-6886 CVE-2017-6887 CVE-2017-6890 CVE-2020-15503 CVE-2017-14348  +4 more Upstream summary: An issue was discovered in LibRaw 0.18.9. There is a stack-based buffer overflow […]

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Common Problems 117987

Ubuntu 18.04 Disk Full from Unbounded Journald Logs

🟡 Medium   ⏱ 5–30 min  Last verified: 20 July 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 115436

RHEL 7 journalctl Growth Filling Persistent Log Storage

🟡 Medium   ⏱ 5–30 min  Last verified: 20 July 2020 Affected versions: RHEL 7 📖 ~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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How to Configure HashiCorp Vault on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure HashiCorp Vault on Debian 10

Introduction This guide explains how to Configure HashiCorp Vault on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with the standard […]

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