Linux

openSUSE Tumbleweed — vagrant — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — vagrant — vulnerability — 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-2019-16892 Upstream summary: In Rubyzip before 1.3.0, a crafted ZIP file can bypass application checks on ZIP entry sizes because data about the uncompressed size […]

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How to Configure Nginx as a TCP/UDP Load Balancer on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Nginx as a TCP/UDP Load Balancer on Debian 9 (ON-DEBIAN-9)

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure nginx as a tcp/udp load balancer on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each […]

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Arch Linux — lynis — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lynis — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201705-20 Related CVEs: CVE-2017-8108 Upstream summary: Type: arbitrary file overwrite. Status: Fixed. Affected: 2.4.9-1. Fixed in: 2.5.0-1. Group: AVG-278. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How To Setup Your Own VPN With PPTP — step-by-step Linux tutorial on Progressive Robot

How To Setup Your Own VPN With PPTP

A Point-To-Point Tunneling Protocol (PPTP) allows you to implement your own VPN very quickly, and is compatible with most mobile devices. Even though PPTP is less secure than OpenVPN, it is faster and uses less CPU resources.

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Ubuntu 18.04 — libpam-radius-auth — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libpam-radius-auth — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4290-1 Related CVEs: CVE-2015-9542 Upstream summary: It was discovered that libpam-radius-auth incorrectly handled certain long passwords. A remote attacker could possibly use this issue to cause libpam-radius-auth to crash, resulting […]

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openSUSE Tumbleweed — signing-party — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — signing-party — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:1388-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-11627 CVE-2018-15599 Upstream summary: gpg-key2ps in signing-party 1.1.x and 2.x before 2.10-1 contains an unsafe shell call enabling shell injection via a User ID. Table […]

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Common Problems 115418

RHEL 7 firewalld Blocks Internal App Port After Reload

🟡 Medium   ⏱ 5–30 min  Last verified: 2 August 2019 📖 ~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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openSUSE Tumbleweed — rrdtool — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — rrdtool — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:0103-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-2131 Upstream summary: Format string vulnerability in the rrdtool module 1.4.7 for Python, as used in Zenoss, allows context-dependent attackers to cause a denial of […]

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How to Install and Configure SQLite on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure SQLite on RHEL 7

How to Install and Configure SQLite on RHEL 7 SQLite is a self-contained, serverless, zero-configuration relational database engine that stores an entire database as a single file on disk. Unlike PostgreSQL or MySQL, SQLite requires no dedicated daemon, no user accounts, and no network configuration — the database engine is a library linked directly into […]

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openSUSE Tumbleweed — mr — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — mr — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-7032 Upstream summary: webcheckout in myrepos through 1.20171231 does not sanitize URLs that are passed to git clone, allowing a malicious website operator or a […]

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