Troubleshooting

How to Install Loki Log Aggregation on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Loki Log Aggregation on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install loki log aggregation on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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FreeBSD 12 — libtomcrypt — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libtomcrypt — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libtomcrypt — weak signature scheme with ECC keys Upstream summary: The Secure Science Corporation reports that libtomcrypt is vulnerable to a weak signature scheme. This allows an attacker to create […]

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FreeBSD 12 — unrtf — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — unrtf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: unrtf — buffer overflow vulnerability Related CVEs: CVE-2004-1297 Upstream summary: Yosef Klein and Limin Wang have found a buffer overflow vulnerability in unrtf that can allow an attacker to execute […]

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Amazon Linux 2 — NetworkManager — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — NetworkManager — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1144 Related CVEs: CVE-2018-15688 CVE-2020-10754 Upstream summary: It was discovered that systemd-network does not correctly keep track of a buffer size when constructing DHCPv6 packets. This flaw may lead to […]

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FreeBSD 12 — py35-bleach — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py35-bleach — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-bleach — regular expression denial-of-service Related CVEs: CVE-2020-6817 Upstream summary: Bleach developers reports: bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to […]

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Amazon Linux 2 — kernel-livepatch-4.14.173-137.228 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.173-137.228 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2020-021 Related CVEs: CVE-2020-1749 CVE-2019-19319 CVE-2020-12657 CVE-2020-10711 Upstream summary: A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels […]

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FreeBSD 12 — py27-matrix-synapse — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py27-matrix-synapse — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-matrix-synapse — multiple vulnerabilities Related CVEs: CVE-2019-5885 Upstream summary: Matrix developers report: The matrix team releases Synapse 1.2.1 as a critical security update. It contains patches relating to redactions and […]

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How to Deploy a Flask Application with Gunicorn and Nginx on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Deploy a Flask Application with Gunicorn and Nginx on RHEL 8

Flask is a lightweight Python web framework well-suited for building APIs and web applications on RHEL 8. Gunicorn acts as the production-grade WSGI server that runs your Flask app, while Nginx sits in front as a reverse proxy handling incoming traffic. This guide walks through deploying a Flask application on RHEL 8 using a Python […]

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