How To Install Apache Tomcat 10 on Ubuntu 20.04
Deploy Apache Tomcat 10 on Ubuntu 20.04 by installing Tomcat 10, setting up users and roles, and navigating the admin user interface.
How To Gather Infrastructure Metrics with Metricbeat on CentOS 7
Metricbeat, the replacement for Topbeat, is a lightweight data shipper that collects CPU and memory statistics from a server and sends the data directly to your Elasticsearch deployment. In this tutorial, you will use Metricbeat to forward local system metrics like CPU/memory/disk usage and network utilization from a CentOS 7 server to another server of the same kind with the Elastic Stack installed.
How To Deploy Sinatra Based Ruby Web-Applications On Ubuntu 13
In this the cloud provider article, we will learn a couple of different ways to take your Sinatra application out of its hidden box and share it with the world on Ubuntu using different and interesting technologies and methods.
How To Delete Database Records in Laravel Eloquent
In Eloquent, you can delete database records conveniently with the delete method from the parent Model class. In the last part of this series, you’ll create a new command to delete lists. For simplicity, any links associated with the list to be deleted will be reassigned to the default link list.
Cómo instalar WordPress con LAMP en Ubuntu 18.04
Justin Ellingwood escribió una versión anterior de este tutorial. WordPress es el sistema de gestión de contenido (CMS) más popular de Internet. Le permite configurar de forma sencilla blogs y sitios web…
How to Configure GRE Tunnel Interfaces on Windows Server 2016
How to Set Up Windows Server 2016 GRE Tunnel Interface Generic Routing Encapsulation (GRE) is a tunnelling protocol that encapsulates a wide variety of network layer protocols inside virtual point-to-point links. Windows Server 2016 introduces native GRE tunnel support through the RAS Gateway, enabling organisations to create lightweight, stateless tunnels between gateway endpoints without the […]
Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2019-3871)
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-3871 Related CVEs: CVE-2019-0155 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Oracle Linux 8 — unbound security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1853)
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-1853 Related CVEs: CVE-2019-25038 CVE-2019-25039 CVE-2019-25037 CVE-2019-25041 CVE-2019-25032 CVE-2019-25036 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Ubuntu 14.04 LTS dpkg interrupted and package database broken
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 📖 ~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 […]
Ubuntu 14.04 LTS NTP drift causes significant system clock skew
🟡 Medium ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: 14.04 📖 ~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 […]
