How to find the length of a list in Python
How to find the length of a list in Python using the len() function. Includes examples, edge cases, and tips for working with nested or dynamic lists.
Effective Kubernetes Onboarding
Strategies for onboarding developers to Kubernetes — learn how to situate Kubernetes in a larger arc of application development and integrate it into an existing development workflow.
Debian 10 Permissions Changed Incorrectly After Recursive chmod
🟠 High ⏱ 5–30 min Last verified: 13 June 2020 Affected versions: Debian 10 📖 ~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 & Hardening Related Errors & […]
Ubuntu 20.04 external monitor not detected
🟡 Medium ⏱ 5–30 min Last verified: 13 June 2020 📖 ~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 & Hardening Related Errors & Cross-Refs References & Further […]
FreeBSD 12 — sddm — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 13 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: X11 Session — SDDM allows unauthorised unlocking Related CVEs: CVE-2018-14345 Upstream summary: MITRE reports: An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not […]
RHEL 8 SSH Login Slow Due to DNS and GSSAPI
🟡 Medium ⏱ 5–30 min Last verified: 13 June 2020 📖 ~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 & Hardening Related Errors & Cross-Refs References & Further […]
FreeBSD 12 — zeek — security advisory — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 13 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: zeek — potential DoS vulnerability Upstream summary: Wojtulewicz of Corelight reports: A specially-crafted series of MIME headers sent via SMTP or HTTP could cause Zeek to use large amounts of […]
How to Install Kibana on Debian 9
Introduction This guide explains how to Install Kibana on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the standard repositories […]
Comprendre les actions asynchrones de Redux avec Redux Thunk
Apprenez à utiliser le middleware Redux Thunk pour exécuter des opérations asynchrones, communiquer avec une application et envoyer des instructions au store.
FreeBSD 12 — hadoop — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 13 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: hadoop2 — unauthorized disclosure of data vulnerability Related CVEs: CVE-2014-0230 CVE-2014-7810 CVE-2015-1776 Upstream summary: Arun Suresh reports: RPC traffic from clients, potentially including authentication credentials, may be intercepted by a […]
