Security Hardening

How to Install PostgreSQL on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install PostgreSQL on SLES 12

Introduction This tutorial covers How to Install PostgreSQL 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. Step 1 — Install PostgreSQL zypper install -y postgresql-server postgresql Step 2 — […]

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FreeBSD 12 — ja-lynx — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ja-lynx — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: lynx — SSL certificate validation error Related CVEs: CVE-2005-3120 Upstream summary: Axel Beckert reports: […] I was able to capture the password given on the commandline in traffic of an […]

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Ubuntu 18.04 — python-ecdsa — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-ecdsa — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 October 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4196-1 Related CVEs: CVE-2019-14853 CVE-2019-14859 Upstream summary: It was discovered that python-ecdsa incorrectly handled certain signatures. A remote attacker could possibly use this issue to cause python-ecdsa to generate unexpected […]

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SLES 15 — libnma0 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libnma0 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 October 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-6590 Upstream summary: An issue was discovered in network-manager-applet (aka network-manager-gnome) in Ubuntu 12.04 LTS, 14.04 LTS, 16.04 LTS, and 16.10. A local attacker could […]

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How to Install Grafana on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Grafana on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install grafana 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 step carefully and the resulting […]

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

openSUSE Tumbleweed — gzip — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2010:008 (see also SUSE bugzilla) Related CVEs: CVE-2010-0001 CVE-2009-2624 Upstream summary: Integer underflow in the unlzw function in unlzw.c in gzip before 1.4 on 64-bit platforms, as used in ncompress and probably […]

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Debian 10 — slurm-llnl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — slurm-llnl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 October 2019 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-12838 CVE-2019-19728 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Set Up Remote Desktop Session Host on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up Remote Desktop Session Host on Windows Server 2016

How to Set Up Windows Server 2016 Remote Desktop Session Host Remote Desktop Session Host (RDSH) is a role service within Remote Desktop Services (RDS) that allows multiple users to simultaneously connect to a single Windows Server 2016 server and run applications or full desktops in an isolated session. It is the foundation of traditional […]

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How to Install phpMyAdmin on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install phpMyAdmin on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install phpmyadmin on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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openSUSE Tumbleweed — ruby2.2-rubygem-rails-html-sanitizer — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby2.2-rubygem-rails-html-sanitizer — multiple vulnerabilities (3 CVEs) — 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-2016:0356-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-7578 CVE-2015-7579 CVE-2015-7580 Upstream summary: Cross-site scripting (XSS) vulnerability in the rails-html-sanitizer gem before 1.0.3 for Ruby on Rails 4.2.x and 5.x allows remote attackers […]

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