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JDK

Install Oracle Java 12 on Ubuntu 18.04/Debian 9.8

This tutorial will guide you on how to install Oracle Java 12 on Ubuntu 18.04/Debian 9.8. To install the official Oracle Java on Ubuntu 18.04

Latest Posts

Configure OpenShift 4 Image Registry Persistent Storage with ODF: 2026 Step-by-Step Guide

How to Install and Configure OpenShift Data Foundation (ODF) on OpenShift 4.20: Step-by-Step Guide [2026]

How to Deploy an OpenShift Cluster Using Agent-Based Installer (Bootable ISO, KVM & Bare Metal)

Integrate Request Tracker (RT) with Active Directory for Authentication

How to Enable Self-Service Password Reset in Request Tracker (RT)

Configure Request Tracker to Send Mails using MSMTP via Gmail Relay

Containers

How to Install and Configure OpenShift Data Foundation (ODF) on OpenShift 4.20: Step-by-Step Guide [2026]

Install Portainer on Debian 11/Debian 10

Step-by-Step Guide to Using ConfigMaps in Kubernetes

Assign Roles to Users and Groups in Kubernetes Cluster

Understanding Kubernetes States: Declared vs Observed states Explained

How to Check Docker Container RAM and CPU Usage

Security

Install and Setup Lynis Security Auditing tool on CentOS 8

Encrypt Emails using Enigmail on Thunderbird

Generate Wildcard SSL Certificates for Elasticsearch

How to Install Acunetix on Ubuntu 18.04

Install VeraCrypt on Debian 11

How to Install Arkime with Elasticsearch 8 on Ubuntu 24.04

Monitoring

How to Enable Basic Authentication on ELK Stack

Install ELK Stack 8.x on Ubuntu 24.04/Ubuntu 22.04

How to Install Prometheus on Debian 12

Install Prometheus on Ubuntu 18.04

Install OSSEC Agent on Rocky Linux 8

Install Prometheus on Rocky Linux 8

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