Operations

How to Secure Nginx with Let's Encrypt on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Secure Nginx with Let’s Encrypt on FreeBSD 13

Introduction Deploying secure nginx with let’s encrypt on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the […]

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openSUSE Tumbleweed — janus-gateway — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — janus-gateway — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-4020 Upstream summary: janus-gateway is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Table of contents Symptom & Impact Environment & […]

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Debian 11 — exuberant-ctags — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — exuberant-ctags — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-7204 CVE-2022-4515 Upstream summary: jscript.c in Exuberant Ctags 5.8 allows remote attackers to cause a denial of service (infinite loop and CPU and disk consumption) via a crafted […]

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Alpine Linux edge — inspircd — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — inspircd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.10.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — inspircd 3.10.0-r0 Related CVEs: CVE-2021-33586 Upstream summary: Alpine community repository for vedge ships inspircd 3.10.0-r0 which addresses CVE-2021-33586. Table of contents Symptom & Impact Environment […]

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Ubuntu 20.04 — node-qs — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-qs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 January 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7693-1 Related CVEs: CVE-2022-24999 Upstream summary: Nathanael Braun and Johan Brissaud discovered that qs was vulnerable to prototype pollution. A remote attacker could possibly use this issue to cause a […]

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openSUSE Tumbleweed — apache2-mod_wsgi — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — apache2-mod_wsgi — 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-RU-2015:0611-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-0240 CVE-2022-2255 Upstream summary: The mod_wsgi module before 3.5 for Apache, when daemon mode is enabled, does not properly handle error codes returned by setuid […]

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Ubuntu 14.04 — flac — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — flac — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 January 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6360-2 Related CVEs: CVE-2020-22219 CVE-2017-6888 CVE-2020-0499 CVE-2021-0561 CVE-2014-8962 CVE-2014-9028 Upstream summary: USN-6360-1 fixed a vulnerability in FLAC. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, […]

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How to Set Up Windows Server 2019 Services Management — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 Services Management

How to Set Up Windows Server 2019 Services Management Windows services are long-running background processes that start automatically with the operating system and provide core functionality such as networking, security, event logging, and application hosting. Managing Windows services effectively on Windows Server 2019 — including configuring startup types, recovery actions, dependencies, service accounts, and monitoring […]

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Ubuntu 20.04 — dbus — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — dbus — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 January 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5704-1 Related CVEs: CVE-2022-42010 CVE-2022-42011 CVE-2022-42012 CVE-2020-35512 CVE-2020-12049 Upstream summary: It was discovered that DBus incorrectly handled messages with invalid type signatures. A local attacker could possibly use this issue […]

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