HowTos, Directory Server, FreeIPA

Configure Host-Based Access Control on FreeIPA Server

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Kifarunix
HowTos, Project Management, Redmine

Install Redmine on CentOS Stream 8|CentOS Stream 9

HowTos, Database, MongoDB

Easily Install MongoDB on Ubuntu 24.04

Security, HowTos, Monitoring

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

HowTos, Linux Commands

Quickly Check If Linux System is Using BIOS or UEFI

Containers

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install docker ce

Install Docker on Rocky Linux 8|9

Welcome to our guide on how to install docker on Rocky Linux 8/Rocky Linux 9. Docker is a platform that enables developers …
Introduction to Kubernetes: What is it and why do you need it?

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

This tutorial serves as an introduction to Kubernetes: What is it and why do you need it? If you are …
Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

Installing and setting up a Kubernetes cluster on RHEL 9 is essential for modern IT environments seeking efficient container orchestration. …
Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Install and Run MariaDB as a Docker Container

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

install docker ce

Install and Use Docker CE on CentOS 8

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

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

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

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

kubernetes secrets

How to Use Secrets in Kubernetes Applications

Kubernetes Ingress Explained

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

Scale OpenShift Data Foundation Storage on Bare Metal

ODF Ceph Storage Full: Recover and Expand OpenShift Data Foundation Storage on Bare Metal

Security

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Install sysPass Password Manager on Ubuntu 18.04

Install TheHive on Ubuntu 22.04/Ubuntu 20.04

Install and Setup Velociraptor on Ubuntu 20.04

Most Popular

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squid proxy
HowTos, Proxy, Security

Install and Configure Squid Proxy on CentOS 8

easily install cacti on Ubuntu 2.04
Monitoring, HowTos

Easily Install and Setup Cacti on Ubuntu 20.04

Configure Host-Based Access Control on FreeIPA Server
HowTos, Directory Server, FreeIPA

Install and Setup FreeIPA Server on CentOS 8

Screenshot from 2021 01 13 22 50 51 1
HowTos, RHEL, VirtualBox, Virtualization

Install VirtualBox 6.1 on Fedora 33

HowTos, Database, MariaDB

Install MariaDB 10.4 on CentOS 8

Install GVM 21.4 on Kali Linux
Security, HowTos, Vulnerability Scanners

Install GVM 21.4 on Kali Linux

Install ModSecurity with Apache on Debian 12

Install Request Tracker on AlmaLinux/Rocky Linux

Connect to OpenVPN using Network Manager on CentOS 8/Ubuntu 18.04

Install Apache Web Server on Debian 12

Install ModSecurity with Apache on Ubuntu 22.04

Configure Ubuntu 20.04 as Linux Router

Install Wazuh SIEM Server on Ubuntu 24.04

How to Configure NTP Server on pfSense

Step-by-Step Guide: Install and Setup OpenVPN Server on Ubuntu 22.04

How to Install Wazuh SIEM Server on RHEL 9/RHEL 10

Install sysPass Password Manager on Ubuntu 18.04

Setup OpenVPN Server on CentOS 8

MONITORING

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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 sensu agent ubuntu/debian

Install Sensu Agent on Rocky Linux

koromicha

This guide will take you through how to install Sensu agent on Rocky Linux systems. …

export Kibana search results to CSV/Excel file

Easily Export Kibana Search Results to CSV/Excel file

Kifarunix

How can i easily export Kibana search results to CSV/Excel file? Well, that is an …

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 …

Install Osquery on Ubuntu 20.04

Install Osquery on Ubuntu 20.04

koromicha

In this guide, we are going to learn how to install osquery on Ubuntu 20.04. …

Install Elasticsearch 7 on Fedora 30

koromicha

In this guide, you are going to learn how to install Elasticsearch 7 on Fedora …

Backup and Restore Elasticsearch Index Data

Restore Elasticsearch Snapshot to another Cluster

gen_too

In this tutorial, we will try to show how to restore Elasticsearch snapshot to another …

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

Install Logstash 8 on Ubuntu/Debian

koromicha

This guide is about how to install and configure Logstash 8 on Ubuntu/Debian as a …

install and configure snmp on Linux

How to Configure SNMP version 3 on Debian 9

koromicha

This guide is about how to configure SNMP version 3 on Debian 9. There are …

Enable Kibana HTTPS Connection

Quick Way to Enable Kibana HTTPS Connection

gen_too

In this tutorial, you will learn how to enable Kibana HTTPS connection. HTTPS connections ensures …

Install OSSEC HIDS Agent

Install OSSEC HIDS Agent on Ubuntu 20.04

This tutorial will guide you on how to install OSSEC HIDS agent on Ubuntu 20.04 system from the source tarball. …
install and configure snmp ubuntu 20.04

Quick Way to Install and Configure SNMP on Ubuntu 20.04

In this guide, we are going to learn how to install and configure SNMP on Ubuntu 20.04. SNMP is an …
prom

Install Prometheus on Rocky Linux 8

Welcome to our guide on how to install Prometheus on Rocky Linux 8. Prometheus is an  open-source time series collection and processing …

NETWORKING

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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, …
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 …
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 …
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, …
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

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 …
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 …

STORAGE

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How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

Configure and Use Ceph Block Device on Linux Clients

Install and Configure BackupPC on CentOS 8

Mount Remote Filesystem Over SSH using SSHFS

Easily Install and Configure Samba File Server on Ubuntu 20.04

How to Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

How to Deploy Ceph Storage Cluster on Debian 12

Install ownCloud Desktop Client on Debian 10

VIRTUALIZATION

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How to fix QEMU/KVM Not Connected Error on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to fix QEMU/KVM Not connected error on Ubuntu …

Change Windows Boot Device from IDE to Virtio on KVM

Change Windows Boot Device from IDE to Virtio on KVM

koromicha

In this tutorial, you will learn how to change Windows boot device from IDE to …

How to Clone a Virtual Machine on VMware ESXi

koromicha

Having trouble with cloning a virtual machine in VMware ESXi? Worry no more. This guide …

wubuntu

Install Wubuntu Linux on VirtualBox

Kifarunix

Follow through this guide to learn how to install Wubuntu Linux on VirtualBox. According to …

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 …

How to Rename KVM Virtual Machine with virsh command

How to Rename KVM Virtual Machine with virsh command

koromicha

Is it possible to rename KVM virtual machine? Yes, follow through this guide to learn …

List Running and Stopped VMS on KVM

List Running and Stopped VMS on KVM

koromicha

Follow through this guide to learn how to list running and stopped vms on KVM. …

Install Debian 12 on VirtualBox

Install Debian 12 on VirtualBox

Kifarunix

Follow through this tutorial to learn how to install Debian 12 on VirtualBox. The Debian …

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 VirtualBox Guest Additions on Debian 10 Buster

koromicha

So if you have installed Debian 10 Buster on VirtualBox, you might have realized that …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2021.3

In this tutorial, you will learn how to install VirtualBox guest additions on Kali Linux 2021.3. Guest additions offers many …

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? …
Install and Configure Endian Firewall on VirtualBox

Install and Configure Endian Firewall on VirtualBox

Welcome to our guide on how to install and configure Endian Firewall on VirtualBox. Endian Firewall Community (EFW) is an …

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