HowTos, VirtualBox

Install CentOS 8 on VirtualBox

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koromicha
HowTos, Containers, Docker, Virtualization

How to Deploy WordPress as a Docker Container

Directory Server, HowTos, OpenLDAP

Configure OpenLDAP Authentication on MacOS X

HowTos, WordPress

Install WordPress 5 with Nginx on Debian 10 Buster

HowTos

Install and Setup Jenkins on Ubuntu 20.04

Containers

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How to Deploy Single Node OpenShift (SNO) Using the Agent-Based Installer on KVM

Deploy Single Node OpenShift (SNO) on KVM: Agent-Based Installer Guide

Deploying Single Node OpenShift (SNO) using the Agent-Based Installer on KVM provides a fast, repeatable way to create a fully …
Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

In this tutorial, you will learn on how to extend OpenShift CoreOS /sysroot root filesystem. Extending the OpenShift CoreOS /sysroot …
How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

In this blog post, you will learn how to backup and restore applications in OpenShift 4 with OADP (Velero). In …
provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Deploy an OpenShift Cluster Using Agent-Based Installer

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

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Install and Use Docker on Debian 10 Buster

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

How to Install Docker Desktop on Kali Linux

How to Install Docker Desktop on Kali Linux

Automate OpenShift Builds with Git Webhooks

How to Automate OpenShift Builds with Git Webhooks: Step-by-Step Guide

deploy multinode OpenShift cluster using UPI

How to Deploy Multinode OpenShift Cluster Using UPI/User Provisioned Infrastructure

automate tasks in OpenShift with Kubernetes jobs and cron jobs

Automate Tasks in OpenShift with Kubernetes Jobs and Cron Jobs: A Practical Guide

Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

backup and restore kubernetes etcd cluster

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

role-based access control in kubernetes

Introduction to Role-Based Access Control (RBAC) in Kubernetes

Security

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Setup OpenVPN Server on Rocky Linux 8

Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

Install Linux Malware Detect on Ubuntu 22.04/Ubuntu 20.04

Most Popular

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install arkime on linux
HowTos

Install Arkime (Moloch) Full Packet Capture tool on Debian 11

install java
HowTos, Java

How to Manually Install Oracle Java 12 on Debian 9.8/Ubuntu 18.04

Install TheHive on Ubuntu 22.04/Ubuntu 20.04
HowTos, Monitoring, Security

Install TheHive on Ubuntu 22.04/Ubuntu 20.04

Install and Setup VeraCrypt on Linux Mint
Security, Encryption, HowTos

Install and Setup VeraCrypt on Linux Mint 21

Asset Management, HowTos, OCS Inventory

Install OCS Inventory Agent on MacOSX

install and setup ceph storage cluster
Storage, Ceph, HowTos

Setup Three Node Ceph Storage Cluster on Ubuntu 18.04

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

How to Use VeraCrypt on Command Line to Encrypt Drives on Ubuntu

Setup Secure SSH Access on Linux Servers using Teleport

Configure Apache with SSL/TLS Certificates on CentOS 8

Install and Setup VeraCrypt on Linux Mint 21

How to Install and Use WPScan WordPress Vulnerability Scanner Ubuntu 18.04

Install and Setup OpenVAS 9 Vulnerability Scanner on Ubuntu 18.04

Connect to Cisco VPN Using PCF file on Ubuntu

How to Protect Single User Mode with Password in Ubuntu 18.04

Install GVM 21.4 on Ubuntu 20.04

Install Metasploit Framework on Fedora 29

How to Install and Setup GRR clients on Ubuntu 18.04/Debian 9

MONITORING

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Install Apache Kafka on Debian 12

Easy Steps: Install Apache Kafka on Debian 12

Kifarunix

This guide provides a step by step tutorial on how to easily install Apache Kafka …

Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)

Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)

Kifarunix

In this blog post, you will learn how to forward OpenShift logs to multiple destinations …

Deploy Nagios NRPE Agents using Ansible

Deploy Nagios NRPE Agents using Ansible

Kifarunix

In this tutorial, you will learn how to deploy Nagios NRPE Agents using Ansible. Ansible …

Install and Setup Nagios

Install Nagios NRPE Agents on Ubuntu 22.04/Ubuntu 20.04

Jay Decrame

This guide describes how to easily install Nagios NRPE Agents on Ubuntu 22.04/Ubuntu 20.04. If …

Install and Configure Prometheus on Debian 9

koromicha

In this guide, we are going to learn how to install and configure Prometheus on …

Metricbeat System Host overview ECS Elastic

Monitor Linux System Metrics with ELK Stack

gen_too

In this tutorial, you will learn how to monitor Linux system metrics with ELK Stack. …

kibana custom ingest pipelines

Create Custom ELK Ingest Pipeline for Custom Log Processing

gen_too

Follow through this tutorial to learn how create custom ELK ingest pipeline for custom log …

Install and Configure Zabbix

Install and Configure Zabbix 4.0 from Source on Fedora 29/Fedora 28/CentOS 7

koromicha

Install Zabbix Run the command below to install the Zabbix daemon binaries (zabbix_server, zabbix_agentd, zabbix_proxy) …

Easy way to Integrate TheHive with Cortex

Easy way to Integrate TheHive with Cortex

gen_too

In this tutorial, you will learn how an easy way to integrate TheHive with Cortex. …

install and configure snmp on Linux

Install and Configure SNMP on Ubuntu 22.04/Debian 11

koromicha

In this guide, we are going to learn how to install and configure SNMP on …

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora 29

In this article, we are going to learn how to install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora …

Fix AlienVault HIDS Events Displaying 0.0.0.0 as IP Address

In this guide, we are going to show you how to fix AlienVault HIDS events displaying 0.0.0.0 as IP address. …
Deploy Nagios NRPE Agents using Ansible

Deploy Nagios NRPE Agents using Ansible

In this tutorial, you will learn how to deploy Nagios NRPE Agents using Ansible. Ansible is an open-source automation tool …

NETWORKING

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Install and use NMCLI tool on Debian Linux

Install and use NMCLI tool on Debian Linux

In this tutorial, we provide a step by step guide on how to install and use NMCLI tool on Debian …
How to fix Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary

Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary

How to fix Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary? Well, in one way or another, you …
Configure Static IP Addresses using Netplan on Ubuntu

Configure Static IP Addresses using Netplan on Ubuntu

How to set static IP addresses using Netplan on Ubuntu? In this tutorial, you will learn how to configure static …
Install and use NMCLI tool on Debian Linux

Connect to WiFi in Linux Using NMCLI command

This tutorial will guide you on how to connect to WiFi in Linux using NMCLI command. NMCLI is a command-line …

Install and Setup OpenVPN Server on Fedora 29/CentOS 7

In this guide, we are going to learn how to Install and Setup OpenVPN Server on Fedora 29/CentOS 7. OpenVPN …
Set Static Routes via an Interface/IP on CentOS/Ubuntu

Set Static Routes via an Interface/IP on CentOS/Ubuntu

In this tutorial, you will learn how to set static routes via an interface/IP on CentOS/Ubuntu systems. In a network, …
Useful Facts About Setting Up Mobile Rugged Servers

Useful Facts About Setting Up Mobile Rugged Servers

Modern warfare is evolving. Having boots on the ground is still the most important component of winning any conflict, however, …
install wireshark on Linux

Install Latest Wireshark on Ubuntu 18.04

In this guide, we are learn how to install latest Wireshark on Ubuntu 18.04. Wireshark is the world’s foremost and …
install wireshark on Linux

Install Wireshark on Ubuntu 22.04

In this guide, you will learn how to install Wireshark on Ubuntu 22.04. Wireshark is the world’s foremost and widely-used …
Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Securing OpenShift networking with network policies is one of the most critical steps in moving from a flat, permissive cluster …
Easy way to Test Internet Speed on Linux Terminal

Easy way to Test Internet Speed on Linux Terminal

In this tutorial, we will show you an easy way to test Internet speed on Linux terminal. More often than …
install Malcolm network traffic analysis tool on Ubuntu

Analyze PCAP Files using Malcolm Network Traffic Analysis tool

In this tutorial, you will learn how to analyze PCAP files using Malcolm network traffic analysis tool. Malcolm can be …

STORAGE

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Provision Block Storage for Kubernetes on Rook Ceph Cluster

Install ownCloud Server on Debian 12

Part 3: How to Restore and Validate Application Backups in OpenShift with OADP

How to Upgrade ownCloud 9 to ownCloud 10 on Ubuntu 16.04

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

Install and Configure iSCSI Storage Server on Ubuntu 24.04

Install and Setup BackupPC Server on Ubuntu 20.04

Install and Setup Rsyslog Server on Ubuntu 22.04

VIRTUALIZATION

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Install KVM on Oracle Linux

Install KVM on Oracle Linux

koromicha

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an …

Install VirtualBox Guest Additions on Rocky Linux 9

Install VirtualBox Guest Additions on Rocky Linux 9

koromicha

Follow through this tutorial to learn how to install VirtualBox guest additions on Rocky Linux …

Upgrade Ubuntu 18.04 to Ubuntu 20.04

koromicha

Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being …

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Kifarunix

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on …

install portainer on Linux

Install Portainer on Ubuntu 22.04

koromicha

In this tutorial, you will learn how to install Portainer on Ubuntu 22.04. Portainer is a …

genymotion login

Install Genymotion Android Emulator on Ubuntu 20.04

gen_too

Follow through this guide to learn how to install Genymotion Android emulator on Ubuntu 20.04. …

Install and Configure Endian Firewall on VirtualBox

Install and Configure Endian Firewall on VirtualBox

koromicha

Welcome to our guide on how to install and configure Endian Firewall on VirtualBox. Endian …

Install VirtualBox Guest Additions on CentOS 8

koromicha

In our previous guide, we learnt how to Install CentOS 8 on VirtualBox. However, it …

Install VirtualBox Guest Additions on Rocky Linux 8

Install VirtualBox Guest Additions on Rocky Linux 8

koromicha

In this tutorial, you will learn how to install VirtualBox guest additions on Rocky Linux …

install portainer on Linux

Install Portainer on Debian 11/Debian 10

koromicha

In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is …

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Can you run WordPress in a Docker container? Yes, follow this tutorial to learn how to deploy WordPress as a …
Install and Setup Security Onion on VirtualBox

Install and Setup Security Onion on VirtualBox

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. According to Security Onion page, …
kali linux 2021.3 desktop

Install Kali Linux 2020.3 on VirtualBox

In this tutorial, you will learn how to install Kali Linux 2020.3 on VirtualBox. Kali Linux is an Advanced Penetration …

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