🟠 High ⏱ 5–30 min Last verified: 12 July 2020 Affected versions: Debian 9 📖 ~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 & […]
🟠 High ⏱ 5–30 min Last verified: 12 July 2020 Affected versions: Ubuntu 20.04 LTS 📖 ~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 […]
Introduction Deploying install openjdk 11 on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, […]
A practical Kubernetes security guide for implementing zero-trust network microsegmentation with namespace isolation, NetworkPolicy objects, egress controls, DNS allowances, and policy testing.
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In this post we’ll see how we can use the new ResizeObserver API to react to an element’s size changing.
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.4.2-r0 📖 ~4 min read • Source: Alpine secdb entry — snmptt 1.4.2-r0 Related CVEs: CVE-2020-24361 Upstream summary: Alpine main repository for vedge ships snmptt 1.4.2-r0 which addresses CVE-2020-24361. Table of contents Symptom & Impact Environment […]
SSH, or secure shell, is an encrypted protocol used to administer and communicate with servers. When working with a CentOS server, chances are you will spend most of your time in a terminal session connected to your server through SSH.
🟠 High ⏱ 15–60 min Last verified: 12 July 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4301-1 Related CVEs: CVE-2019-19053 CVE-2019-19056 CVE-2019-19058 CVE-2019-19059 CVE-2019-19066 CVE-2019-19068 CVE-2019-3016 CVE-2020-2732 +12 more Upstream summary: It was discovered that the KVM implementation in the Linux kernel, when paravirtual TLB flushes […]
Nginx uses to manage configurations for an individual site or domain. Server blocks allow one server to host multiple domains or interfaces by using a matching system. This is relevant to anyone looking to host more than one site off of a single VPS. In this guide, we will walk through how to set up Nginx server blocks on a CentOS 7 VPS.
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