Graylog, HowTos, Monitoring

Install Graylog 3.0 on CentOS 7

BY
koromicha
Storage, GlusterFS, HowTos

Install and Setup GlusterFS Storage Cluster on CentOS 8

HowTos, Database, MySQL

Install MySQL 8 on Ubuntu 20.04

HowTos, Directory Server, FreeIPA

Add FreeIPA User Accounts via CLI or Web Interface

HowTos

Install Google Chrome Browser on CentOS 8

Containers

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Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

This tutorial provides a step by step guide on how to install and setup Kubernetes Cluster on Ubuntu 24.04. Kubernetes, …
kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

In Kubernetes, effective state management is crucial for maintaining the stability and reliability of your clusters. Kubernetes relies on two …
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 …
check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Install and Run MariaDB as a Docker Container

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

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

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

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

install docker ce

Install and Use Docker CE on CentOS 8

Deploying CloudBees CI on OpenShift: Architecture, Installation, Security, and Production Best Practices

Deploying CloudBees CI on OpenShift: Architecture, Installation, Security, and Production Best Practices

install-and-configure-openshift-odf-ocp

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

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Configure HTPasswd Identity Provider in OpenShift 4.x

Step-by-Step Guide: How to Configure HTPasswd Identity Provider in OpenShift 4.x

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

Security

More

Install OpenVAS 9 with PostgreSQL in Ubuntu 18.04

Install GRR Incident Response Framework on Ubuntu 18.04

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

Most Popular

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kubernetes states: declared vs actual state
Kubernetes, Containers, HowTos

Understanding Kubernetes States: Declared vs Observed states Explained

bitwarden
HowTos, Security

Install Bitwarden Password Manager on Ubuntu 22.04

Setup a Three-Node Kafka KRaft Cluster
HowTos

Setup a Three-Node Kafka KRaft Cluster for Scalable Data Streaming

register and patch RHEL hosts using Satellite
HowTos, Red Hat Satellite

How to Register and Patch RHEL Hosts using Satellite Server

install and configure snmp on Linux
Monitoring, HowTos, Icinga, Nagios, SNMP, Zabbix

How to Configure SNMP Version 2c on Debian 9

Install and Configure Wazuh Manager on Ubuntu 22.04

Easy way to Integrate TheHive with Cortex

Install Osquery on Ubuntu 20.04

Deploy WordPress using Docker Compose

Install Wireshark on Ubuntu 22.04

Eliminate Static Secrets from GitLab CI/CD with OpenBao on OpenShift

Install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04

How to Install and Configure Maltrail on Ubuntu 18.04

How to Install and Configure AlienVault HIDs Agent on a Linux Host

Install and Setup OSSEC agent on Ubuntu 18.04/CentOS 7

Install GVM 21.4 on Ubuntu 20.04

List  of top 10 Tips to Protect your Privacy Online

MONITORING

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Install ELK Stack 9.x on Ubuntu 24.04

Install ELK Stack 9.x on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install ELK stack 9.x on Ubuntu 24.04. …

Install Osquery on Linux

Install Osquery on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install osquery on Debian 10 …

Install Sensu Go Ubuntu/debian/rocky

Install Sensu Go on Debian 11

koromicha

Follow through this tutorial to learn how to install Sensu Go on Debian 11. Sensu …

Monitor System Metrics with TICK Stack on Ubuntu 20.04

gen_too

In this tutorial, we are going to learn how to monitor system metrics with TICK …

Install and Configure Zabbix

Install Zabbix Server on Rocky Linux

koromicha

In this guide, we are going to learn how to install Zabbix server on Rocky …

Install LibreNMS on Linux

Install LibreNMS on Debian 11/Debian 10

koromicha

Follow through this tutorial to learn how to install LibreNMS on Debian 11/Debian 10. LibreNMS …

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Kifarunix

Is it possible to monitor Docker Swarm and container metrics using Metricbeat? Yes, of course! …

install nagios core on centos 9 stream

Install Nagios Server on CentOS 9 Stream

Kifarunix

In this guide, you will learn how to install Nagios Server on CentOS 9 Stream. …

Install Osquery on Linux

Monitor Windows Systems using Elastic Osquery Manager

gen_too

In this tutorial, you will learn how to monitor Windows systems using Elastic Osquery manager. …

How to Enable and Configure Cortex Analyzers

How to Easily Enable and Configure Cortex Analyzers

koromicha

Follow through this tutorial to learn how to enable and configure Cortex Analyzers. Cortex is …

Install TheHive on Ubuntu 22.04/Ubuntu 20.04

Install TheHive on Ubuntu 22.04/Ubuntu 20.04

Follow through this tutorial to learn how to install TheHive on Ubuntu 22.04/Ubuntu 20.04 server. TheHive, according to their documentation …
wazuh vt

Detecting Malicious Files with Wazuh and VirusTotal

In this tutorial, you will learn on detecting malicious files with Wazuh and VirusTotal. Wazuh is an open source security …
Install Apache Kafka on Debian 12

Easy Steps: Install Apache Kafka on Debian 12

This guide provides a step by step tutorial on how to easily install Apache Kafka on Debian 12. Apache Kafka …

NETWORKING

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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 …
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 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 …
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 …
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 …
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 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 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 …
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 …
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 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 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 …

STORAGE

More

Easily Install and Configure Samba File Server on Ubuntu 20.04

Setup Replicated GlusterFS Volume on Ubuntu

Configure ownCloud OpenLDAP Authentication

Install ownCloud Desktop Client on CentOS 8

How to Deploy Ceph Storage Cluster on Rocky Linux

Install ownCloud Server on CentOS 8

Part 3: Integrate OpenStack with Ceph Storage Cluster

Step-by-Step: Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

VIRTUALIZATION

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How to Install FreeBSD 12 on VirtualBox

koromicha

Hello there, welcome to our guide on how to install FreeBSD 12 on VirtualBox. FreeBSD …

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 Debian 10 Buster on VirtualBox

koromicha

In this guide, we are going to learn how to install Debian 10 Buster on …

Install VirtualBox 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

Kifarunix

In this post, you will learn how to install VirtualBox 7 on Ubuntu 24.04. Installing …

How to Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04

koromicha

In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox …

Easily Access Shared Folder on Linux VirtualBox VM

Easily Access Shared Folder on Linux VirtualBox VM

koromicha

In this tutorial, you will learn how to setup and easily access shared folder on …

Install VirtualBox on Debian 11 Desktop

gen_too

In this tutorial, you will learn how to install VirtualBox on Debian 11 desktop version. …

install ubuntu 25.04 on virtualbox

How to Install Ubuntu 25.04 on VirtualBox: A Step-by-Step Guide

Kifarunix

Wondering how to install Ubuntu 25.04 on VirtualBox? Ubuntu 25.04, codenamed “Plucky Puffin,” is the …

Install VirtualBox Guest Additions on Ubuntu 24.04

Install VirtualBox Guest Additions on Ubuntu 24.04

Kifarunix

In this guide, you will learn how to install VirtualBox guest additions on Ubuntu 24.04. …

Install Fedora 30 Workstation on VirtualBox

koromicha

So Fedora 30 has just been released and you would like to try out the …

Install VirtualBox Guest Additions on Linux Mint 21

Install VirtualBox Guest Additions on Linux Mint 21

Follow through this tutorial to learn how you can easily install VirtualBox guest additions on Linux Mint 21. VirtualBox guest …
install portainer on Linux

Install Portainer on Ubuntu 22.04

In this tutorial, you will learn how to install Portainer on Ubuntu 22.04. Portainer is a self-service container service delivery platform …
Install VirtualBox Guest Additions on Oracle Linux 9

Install VirtualBox Guest Additions on Oracle Linux 9

Follow through this tutorial to learn how to install VirtualBox guest additions on Oracle Linux 9. VirtualBox guest additions “consist …

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