2021 - Page 736 of 759

Alpine Linux edge — prometheus-blackbox-exporter — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — prometheus-blackbox-exporter — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.18.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — prometheus-blackbox-exporter 0.18.0-r0 Related CVEs: CVE-2020-16248 Upstream summary: Alpine community repository for vedge ships prometheus-blackbox-exporter 0.18.0-r0 which addresses CVE-2020-16248. Table of contents Symptom & Impact Environment […]

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

Ubuntu 18.04 — ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 January 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4482-1 Related CVEs: CVE-2020-24654 CVE-2020-16116 Upstream summary: Fabian Vogt discovered that Ark incorrectly handled symbolic links in tar archive files. An attacker could use this to construct a malicious tar […]

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IBM AIX 7.1 — CVE-2020-4578 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2020-4578 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 12 January 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2020-4578, IBM Support Bulletin CVE: CVE-2020-4578 NVD summary: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in […]

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What is Snap? — step-by-step DevOps tutorial on Progressive Robot

What is Snap?

Snap is an application packaging format for Linux-based operating systems. Snap includes powerful sandboxing and security features, such as file system isolation, automatic updates, and integrated dependency management. Snap applications, known as snaps, can be downloaded and installed using a…

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Making Designs With Tailwind CSS — step-by-step DevOps tutorial on Progressive Robot

Making Designs With Tailwind CSS

Tailwind CSS is a utility-first CSS framework packed with classes like flex, pt-4, text-center and rotate-90 that can be composed to build any design, directly in your html markup. Let’s build a responsive modern looking site together and discover how Tailwind CSS gives you the confidence to realize any design regardless of how complex it may be.

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How to Configure Apache with mod_security on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Apache with mod_security on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying configure apache with mod_security on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Apache with mod_security on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Java SAX Parser Example — step-by-step Programming tutorial on Progressive Robot

Java SAX Parser Example

URL: https://www.progressiverobot.com/java-sax-parser-example/ SAX Parser in java provides API to parse XML documents. SAX parser is different from [DOM parser](/community/tutorials/read-xml-file-java-dom-parser "How to read an XML File in Java (DOM Parser)") because it doesn't load complete XML into memory and read xml document sequentially. SAX Parser ![sax parser, sax parser example, java sax parser](images/java-sax-parser-example-section-1.png) javax.xml.parsers.SAXParser provides method […]

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Ubuntu 18.04 — libpam-tacplus — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libpam-tacplus — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 January 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4521-1 Related CVEs: CVE-2020-13881 Upstream summary: It was discovered that pam_tacplus did not properly manage shared secrets if DEBUG loglevel and journald are used. A remote attacker could use this […]

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