Elastic Stack, HowTos, Monitoring

Configure Logstash Elasticsearch Basic Authentication

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gen_too
Elastic Stack, Monitoring

Install Elasticsearch 7.x on CentOS 7/Fedora 29

Monitoring, Elastic Stack, HowTos

Configure Kibana Dashboards/Visualizations to use Custom Index

Password Managers, HowTos

Install TeamPass Password Manager on Ubuntu 20.04

Remote Desktop, HowTos

Install NoMachine on Ubuntu 20.04

Containers

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provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

In this tutorial, you will learn how to provision block storage for Kubernetes on Rook ceph cluster. Rook is an …
automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

In this guide, we’ll explore how to set up and automate tasks in OpenShift with Kubernetes jobs and cron jobs. …
Install Minikube on Debian 12

Step-by-Step Tutorial: Install Minikube on Debian 12

I want to run a single node Kubernetes cluster on my local machine. But how? Well, this step-by-step guide will …
automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

install docker ce

Install Docker on Rocky Linux 8|9

Install and Run MariaDB as a Docker Container

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

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

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

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

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

Install and Use Docker on Debian 10 Buster

install portainer on Linux

Install Portainer on Debian 11/Debian 10

Understanding Deployments in Kubernetes: A Comprehensive Guide

Understanding Deployments in Kubernetes: A Comprehensive Guide

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

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

Introduction to Kubernetes: What is it and why do you need it?

Introduction to Kubernetes: What is it and why do you need it?

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

nagios docker

Deploy Nagios as a Docker Container

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

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

Security

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What Is an SSL Certificate and How Can It Benefit Your Business?

What are the Benefits Of Using a Password Management For Your Business

Install sysPass Password Manager on Debian 11/Debian 10

Most Popular

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Upgrade RHEL 8 to RHEL 9 using LEAPP
HowTos, Red Hat Satellite, RHEL, RHEL OS Upgrade

Upgrade RHEL 8 to RHEL 9 using LEAPP with Satellite Server Integration

install-and-configure-openshift-odf-ocp
Containers, Ceph, HowTos, Kubernetes, OpenShift, Storage

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

How To Install and Setup Thunderbird Mail Client On Ubuntu 20.04
HowTos,

Install and Setup Thunderbird Mail Client On Ubuntu 20.04

Directory Server, HowTos

Configure OpenLDAP Client on Debian 9 Stretch

Setup Multi-node Elasticsearch Cluster
Monitoring, Elastic Stack, HowTos

How to Setup Multinode Elasticsearch 9 Cluster

HowTos

10 Instruments That Will Diversify the Way a Rock Band Sounds

Configure CentOS/Rocky/Oracle Linux as a Linux Router

Analyze Network Traffic Using Brim Security

Configure IPSEC VPN using StrongSwan on Ubuntu 18.04

How to Perform System Security Auditing with Lynis on Ubuntu 18.04

Why Cybersecurity Investments Are Non-Negotiable for Modern Businesses

Setup OpenVPN Server on Rocky Linux 8

Exploring the World of Residential Proxy Networks

Encrypt Drives with LUKS in Linux

Install and Setup Squid Proxy on Ubuntu 20.04

Install OpenVAS 9 with PostgreSQL in Ubuntu 18.04

Install ClamAV on Ubuntu 24.04/Ubuntu 22.04

The Benefits & Risks of Using Website Encryption

MONITORING

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Install and Configure Zabbix

Install Zabbix 4.x from Sources on Debian 10 Buster

koromicha

Welcome again to our yet another guide on how to install Zabbix 4.x from sources …

Install Filebeat on FreeBSD

Install Filebeat on FreeBSD

koromicha

Follow through this guide to learn how to install Filebeat on FreeBSD. Installing Filebeat on …

How to Integrate TheHive with MISP

How to Integrate TheHive with MISP

koromicha

Follow through this tutorial to learn how to integrate TheHive with MISP. TheHive, a Security …

prom

Install Prometheus on Rocky Linux 8

koromicha

Welcome to our guide on how to install Prometheus on Rocky Linux 8. Prometheus is an  open-source …

Ship System Logs to ELK Stack using Elastic Agents

Ship System Logs to ELK Stack using Elastic Agents

gen_too

This tutorial will take you through how to ship system logs to ELK stack using …

Process and Visualize ModSecurity Logs on ELK Stack

Process and Visualize ModSecurity Logs on ELK Stack

gen_too

In this tutorial, you will learn how to process and visualize ModSecurity Logs on ELK …

Install Latest Grafana on CentOS 8

koromicha

In this guide, we are going to learn how to install latest Grafana on CentOS …

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

koromicha

This guide will focus on how to install Logstash 7 on Fedora 30/Fedora 29/CentOS 7 …

enroll Windows systems into Osquery Fleet Manager

Enroll Windows Systems into Osquery Fleet Manager

koromicha

Welcome to our guide on how to enroll Windows systems into Osquery Fleet Manager. Fleet is …

setup highly available Elasticsearch cluster with Keepalived

Setup Highly Available Elasticsearch Cluster with Keepalived

Kifarunix

Step through this guide to learn how to setup highly available Elasticsearch cluster with Keepalived. …

Install Elastic Stack 7 on Ubuntu

Install Elastic Stack 7 on Ubuntu 18.04/Debian 9.8

This tutorial will guide on how to install Elastic Stack 7 on Ubuntu 18.04/Debian 9.8. We will be discussing the …

Monitor OpenVPN Connections with Prometheus and Grafana

Welcome to our tutorial on how to monitor OpenVPN connections with Prometheus and Grafana. Grafana is a data visualization and monitoring …
Install Nagios Core on FreeBSD 13

Install Nagios Core on FreeBSD 13

In this guide, we are going to learn how to install Nagios Core on FreeBSD 13. Nagios is an opensource tool that …

NETWORKING

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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 …
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 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 …
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 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 …
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 …
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 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 …
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 …
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 …
Create Virtual/Secondary IP addresses on an Interface in Linux

Create Virtual/Secondary IP addresses on an Interface in Linux

Follow through this tutorial to learn how to create virtual/secondary IP addresses on an interface in Linux. This enables you …

STORAGE

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How to Install MinIO Object Storage Server on RHEL 9

How to Encrypt Data at Rest on Ceph Cluster OSD

Mount Remote Filesystem Over SSH using SSHFS

How to Deploy Ceph Storage Cluster on Rocky Linux

Setup Replicated GlusterFS Volume on Ubuntu

Install and Configure BackupPC on CentOS 8

Install ownCloud Server on Debian 10 Buster

Install and Configure iSCSI Storage Server on Ubuntu 24.04

VIRTUALIZATION

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insert guest addition iso

Install VirtualBox Guest Additions on Wubuntu

Kifarunix

Follow through this step by step guide to lean how to install VirtualBox Guest Additions …

deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

Deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

koromicha

In this tutorial, you will learn how to deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu …

Install VirtualBox Guest Additions on Oracle Linux 9

Install VirtualBox Guest Additions on Oracle Linux 9

koromicha

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

Install VirtualBox Guest Additions on AlmaLinux

Install VirtualBox Guest Additions on AlmaLinux

Kifarunix

Follow through this tutorial to learn how to install VirtualBox guest additions on AlmaLinux. We …

shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Kifarunix

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, …

Install VirtualBox Guest Additions on Rocky Linux 9

Install Oracle Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to simply install Oracle Linux 9 on …

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 KVM on Debian 12

Install KVM on Debian 12

Kifarunix

In this tutorial, you will learn how to install KVM on Debian 12. KVM, an …

Install Ubuntu 20.04 on VirtualBox

koromicha

Follow through this guide to learn how to install Ubuntu 20.04 on VirtualBox. Well, Ubuntu …

Use VirtualBox VMs on KVM

Use VirtualBox VMs on KVM

koromicha

Do you have some VirtualBox virtual machines that you would like to re-use on your …

Install VirtualBox Guest Additions on Ubuntu 21.04

Install VirtualBox Guest Additions on Ubuntu 21.04

If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in fullscreen. In this guide, you …

Install Fedora 30 Workstation on VirtualBox

So Fedora 30 has just been released and you would like to try out the desktop version on your VirtualBox? …
kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with Terraform. If you are creating …

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