🟡 Medium ⏱ 5–30 min Last verified: 8 February 2022 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention […]
Introduction How to Set Up Tekton CI/CD Pipelines on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202105-07 Related CVEs: CVE-2021-27351 CVE-2020-17448 CVE-2020-25824 Upstream summary: It was discovered that Telegram failed to invalidate a recently active session. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
🟡 Medium ⏱ 15–45 min Last verified: 8 February 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-1999-0086, IBM PSIRT advisory page CVE: CVE-1999-0086 NVD summary: AIX routed allows remote users to modify sensitive files. References: exchange.xforce.ibmcloud.com/vulnerabilities/CVE exchange.xforce.ibmcloud.com/vulnerabilities/CVE Table of contents Symptom & Impact Environment & Reproduction Root […]
🟢 Low ⏱ 5–15 min Last verified: 8 February 2022 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Apache Commons FileUpload — denial of service (DoS) vulnerability Related CVEs: CVE-2016-3092 Upstream summary: Mark Thomas reports: CVE-2016-3092 is a denial of service vulnerability that has been corrected in the […]
Discover Ridge Regression in machine learning with Python examples. Learn the formula, how it works, and how it compares to Lasso and ElasticNet.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2021-1619 Related CVEs: CVE-2021-27135 Upstream summary: A flaw was found in xterm. A specially crafted sequence of combining characters causes an out of bounds write leading to arbitrary code execution. […]
🟢 Low ⏱ 5–15 min Last verified: 8 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-11020 CVE-2020-15134 Upstream summary: Faye (NPM, RubyGem) versions greater than 0.5.0 and before 1.0.4, 1.1.3 and 1.2.5, has the potential for authentication bypass in the extension system. The […]
How to Set Up a DHCP Server with ISC DHCP on RHEL 7 The ISC DHCP server is the most widely deployed DHCP implementation in enterprise Linux environments. Running your own DHCP server on RHEL 7 gives you full control over IP address assignment, lease times, gateway and DNS options, and fixed-address reservations for servers […]
Learn how to check if one string contains another in Python using in, find(), and regular expressions. Explore common pitfalls, and efficient practices.
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