April 2020 - Page 52 of 66

How to Secure Nginx with Let's Encrypt on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Secure Nginx with Let’s Encrypt on SLES 12

Introduction This tutorial covers How to Secure Nginx with Let’s Encrypt on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: […]

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

Arch Linux — swtpm — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202011-21 Related CVEs: CVE-2020-28407 Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 0.5.0-2. Fixed in: 0.5.1-1. Group: AVG-1282. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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How to Use Full-Text Search in PostgreSQL on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How to Use Full-Text Search in PostgreSQL on Ubuntu 16.04

In this tutorial, we’ll use PostgreSQL to store data containing articles for a hypothetical news website, then learn how to query the database using FTS and select only the best matches. As the final step, we will explore the available types of indexes in PostgreSQL which can be used to significantly improve performance of the full-text search queries.

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

openSUSE Tumbleweed — cvs — 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 SUSE-SU-2012:0311-1 (see also SUSE bugzilla) Related CVEs: CVE-2012-0804 CVE-2017-12836 Upstream summary: Heap-based buffer overflow in the proxy_connect function in src/client.c in CVS 1.11 and 1.12 allows remote HTTP proxy servers to cause […]

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How to Enable OCSP Stapling on Nginx on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Enable OCSP Stapling on Nginx on Debian 9

Introduction This guide explains how to Enable OCSP Stapling on Nginx on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with […]

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FreeBSD 12 — linux-f8-pango — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-f8-pango — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pango — integer overflow Related CVEs: CVE-2009-1194 Upstream summary: oCERT reports: Pango suffers from a multiplicative integer overflow which may lead to a potentially exploitable, heap overflow depending on the […]

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SLES 15 — sane-backends — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — sane-backends — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:3065-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-12861 CVE-2020-12862 CVE-2020-12863 CVE-2020-12864 CVE-2020-12865 CVE-2020-12866 CVE-2020-12867 CVE-2017-6318 Upstream summary: A heap buffer overflow in SANE Backends before 1.0.30 allows a malicious device connected to […]

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