HowTos, Security

Install and Configure AIDE on Ubuntu 20.04

BY
koromicha
LAMP Stack, Apache, Database, HowTos, MariaDB

Install LAMP Stack on Rocky Linux 8

Security, HowTos, modsecurity, Nginx, Web Servers

Install ModSecurity 3 with Nginx on Debian 12

HowTos, Virtualization

Upgrade Kali Linux 2021.3 to 2021.4

HowTos, Monitoring, Zabbix

Install Zabbix Server on Debian 10 Buster

Containers

More
install-and-configure-openshift-odf-ocp

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

In this guide, I’ll walk you through how to install and configure OpenShift Data Foundation on OpenShift, covering everything from …
Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

In this tutorial, we will provide you with a step-by-step guide on deploying an application on Kubernetes cluster. Kubernetes is …
Deploy an OpenShift Cluster Using Agent-Based Installer

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

In this guide, you will learn how to deploy an OpenShift cluster using Agent-based installer. Last month, I spent three …
Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

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

Part 1: How to Install and Configure OADP Operator on OpenShift 4

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

role-based access control in kubernetes

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

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

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

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

Kubernetes Ingress Explained

Kubernetes Ingress Explained: How to Manage External Access to Your Services

install docker ce

Install Docker CE on Ubuntu 20.04

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

Security

More

Install and Setup GVM 20.08 on Ubuntu 20.04

Install Request Tracker on AlmaLinux/Rocky Linux

Protecting Your Privacy: How VPNs Safeguard Your Online Presence

Most Popular

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The Rise of Digital Technology in Education: How to Benefit From it
HowTos

The Rise of Digital Technology in Education: How to Benefit From it

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

Install and Setup VeraCrypt on Linux Mint 21

install haproxy on ubuntu
HowTos, HAProxy, Load Balancers

Install and Configure HAProxy on Ubuntu 24.04

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]

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 20.04
Security, Encryption, SSL/TLS

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 18.04

HowTos, Database, MariaDB

Install MariaDB 10.4 on CentOS 8

Process ModSecurity Logs using Wazuh

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon

How to Enable Secure Shell (SSH) server on OPNsense

8 Handy Ways You Can Use A VPN In Your Everyday Life

Install Metasploit on Debian 11/Debian 10

5 Things You Didn’t Know You Can Do with a VPN

Complete Guide: Configuring Filebeat to Send Logs to Kafka

Install GVM 21.04 on Debian 11/Debian 10

Install Zammad Ticketing System on Debian 12

What Are the Benefits of SOCKS5 Proxy?

Essential Cybersecurity Measures for Small Businesses

MONITORING

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Configure Nagios Email Notification Using Gmail

Configure Nagios Email Notification Using Gmail

koromicha

This guide will take you through how to configure Nagios Email Notification using Gmail. Nagios …

ossec

Install OSSEC Agent on Rocky Linux 8

gen_too

This guide presents a step-by-step tutorial on how to install OSSEC Agent on Rocky Linux …

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Kifarunix

Can Nagios monitor docker container? Yes, in this tutorial, you will learn how to monitor …

Delete Specific Records from Elasticsearch Index

Delete Specific Records from Elasticsearch Index

koromicha

This is a simple tutorial on how to search and delete specific records from Elasticsearch …

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. …

Monitor Process Creation Events on Windows Systems using Wazuh and ELK stack

Monitor Process Creation Events on Windows Systems using Wazuh and ELK stack

gen_too

In this tutorial, you will learn how to monitor process creation events on Windows systems …

install Fleet osquery manager on Ubuntu 20.04

Install Fleet Osquery Manager on Ubuntu 20.04/Ubuntu 22.04

koromicha

In this tutorial, you will learn how to install Fleet osquery manager on Ubuntu 20.04/Ubuntu …

Install ELK Stack 8.x

Install ELK Stack 8 on Debian 12

Kifarunix

In this tutorial, you will learn how to install ELK stack 8 on Debian 12 …

Install and Setup Nagios

How to Install Nagios Server on Ubuntu 24.04

Kifarunix

In this guide, we will provide a step-by-step tutorial on how to install Nagios Server …

Enable Rsyslog Logging on Debian 12

Enable Rsyslog Logging on Debian 12

Kifarunix

This step by step tutorial will take you through how to enable Rsyslog logging on …

Install latest Grafana on Debian 10

Install latest Grafana on Debian 10

In this tutorial, you will learn how to install latest Grafana on Debian 10. Grafana is an open source analytics and …
Delete Specific Records from Elasticsearch Index

Delete Specific Records from Elasticsearch Index

This is a simple tutorial on how to search and delete specific records from Elasticsearch index. Elasticsearch ships with a …

Monitor Squid logs with Grafana and Graylog

In this guide, we are going to learn how to monitor squid logs with Grafana and Graylog. You can check …

NETWORKING

More
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 …
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 …
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 …
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 …
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, …
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 …

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 …
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 …
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

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 …

STORAGE

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Install and Setup Rsyslog Server on Ubuntu 22.04

Install and Setup BackupPC Server on Ubuntu 20.04

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Setup Software RAID on Debian 10

Install ownCloud Desktop Client on Debian 10

Install ownCloud Server on Debian 11

Shrink KVM Virtual Machine LVM Partitioned Disk

Install and Configure BackupPC as a Backup Server on Ubuntu 18.04

VIRTUALIZATION

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Resize Root Partition of VirtualBox VM Snapshot

koromicha

You are running a virtual machine on a VirtualBox with multiple snapshots and you want …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2021.3

gen_too

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

Install Ubuntu 21.04 Desktop on VirtualBox

Install Ubuntu 21.04 Desktop on VirtualBox

koromicha

In this tutorial, you learn how to install Ubuntu 21.04 Desktop on VirtualBox. The latest …

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 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 AlmaLinux

Install VirtualBox Guest Additions on AlmaLinux

Kifarunix

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

install portainer on Linux

Install Portainer on Rocky Linux

koromicha

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

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 OPNsense on VirtualBox

How to Install OPNsense on VirtualBox

koromicha

In this tutorial, we are going to learn how to install OPNsense on VirtualBox. OPNsense …

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 …

Screenshot from 2021 01 13 22 50 51 1

Install VirtualBox 6.1 on Fedora 33

In this tutorial, you will learn how to install VirtualBox 6.1 on Fedora 33. VirtualBox 6.1 is available for installation …
shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk size. In most cases, there …

Install VirtualBox Guest Additions on Fedora 31/32

In this guide, we are going to learn how to install VirtualBox Guest Addition on Fedora 31/32. When installed on …

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