January 2020 - Page 63 of 69

How to Set Up Two-Factor Authentication with Google Authenticator on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up Two-Factor Authentication with Google Authenticator on SLES 12

Introduction This tutorial covers How to Set Up Two-Factor Authentication with Google Authenticator 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 […]

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Arch Linux — net-snmp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — net-snmp — multiple vulnerabilities (2 CVEs) — 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-201810-11 Related CVEs: CVE-2018-18065 CVE-2015-5621 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 5.7.3-9. Fixed in: 5.8-1. Group: AVG-777. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

Arch Linux — nautilus — 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-201905-3 Related CVEs: CVE-2019-11461 Upstream summary: Type: sandbox escape. Status: Fixed. Affected: 3.32.0+5+g73876bdcd-1. Fixed in: 3.32.1-1. Group: AVG-956. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Servlet Exception and Error Handling Example Tutorial — step-by-step Programming tutorial on Progressive Robot

Servlet Exception and Error Handling Example Tutorial

URL: https://www.progressiverobot.com/servlet-exception-and-error-handling-example-tutorial/ Today we will look into Servlet Exception and Error Handling. Sometime back I wrote a post about [Exception Handling in Java](/community/tutorials/exception-handling-in-java) but when it comes to web application, we need more than normal exception handling in java. Servlet Exception If you notice, doGet() and doPost() methods throw javax.servlet.ServletException and IOException, let's see what […]

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FreeBSD 12 — open-motif — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — open-motif — multiple vulnerabilities (2 CVEs) — 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: xpm — image decoding vulnerabilities Related CVEs: CVE-2004-0687 CVE-2004-0688 Upstream summary: Chris Evans discovered several vulnerabilities in the libXpm image decoder: A stack-based buffer overflow in xpmParseColors An integer overflow […]

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FreeBSD 12 — compat5x-alpha — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — compat5x-alpha — 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: openssl — potential SSL 2.0 rollback Related CVEs: CVE-2005-2969 Upstream summary: Vulnerability: Such applications are affected if they use the option SSL_OP_MSIE_SSLV2_RSA_PADDING. This option is implied by use of SSL_OP_ALL, […]

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How to Install MicroShift on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install MicroShift on RHEL 10

Introduction How to Install MicroShift on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible and production-safe. […]

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FreeBSD 12 — quassel — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — quassel — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: quassel — multiple vulnerabilities Related CVEs: CVE-2013-4422 CVE-2015-3427 CVE-2015-8547 CVE-2016-4414 Upstream summary: Gentoo reports: quasselcore: corruption of heap metadata caused by qdatastream leading to preauth remote code execution. Severity: high, […]

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Debian 9 — freeimage — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — freeimage — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-12211 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Nginx SSL Certificate and HTTPS Redirect Errors — step-by-step Web Servers tutorial on Progressive Robot

Nginx SSL Certificate and HTTPS Redirect Errors

In this tutorial, you will learn about common errors that can emerge when setting up TLS/SSL certificates and HTTPS redirect connections for your Nginx server. You will also learn how to identify possible causes for these redirect errors and fix them.

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