OpenLDAP, Directory Server, HowTos

Install phpLDAPadmin on Rocky Linux 8

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gen_too
Monitoring, HowTos, Monitorix

How to Install Monitorix on CentOS 8

HowTos, Monitoring

Install Sensu Agent on Ubuntu/Debian

HowTos, Ubuntu 18.04

How to Install and Setup ZSH and Oh-My-Zsh on Ubuntu 18.04

Security, HowTos

Install and Setup DVWA on Rocky Linux 8

Containers

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Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

This blog post will take you through Kubernetes resource optimization with Vertical Pod Autoscaler. Managing resource allocation efficiently in Kubernetes …
Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Introduction In today’s rapidly evolving technological landscape, serverless computing has emerged as a game-changer, redefining the way developers build and …
Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

This tutorial serves as a guide to mastering Kubernetes Autoscaling. We’ll explore the two main techniques of Kubernetes scaling: horizontal …
Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

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

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

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

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Install and Use Docker on Debian 10 Buster

Install Helm on Kubernetes Cluster

Step-by-Step Guide: How to Install Helm on Kubernetes Cluster

Install Minikube on Debian 12

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

install portainer on Linux

Install Portainer on Debian 11/Debian 10

Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Security

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

How to Install and Setup AlienVault HIDS Agent on a Windows Host

Basic Operation of Firewalld in Linux

Most Popular

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HowTos, Monitoring, Prometheus

Monitor Linux System Metrics with Prometheus Node Exporter

Full Automation of Nagios Monitoring Setup with Ansible
Automation, Ansible, HowTos, Monitoring, Nagios

Full Automation of Nagios Monitoring Setup with Ansible

6 Ways SMBs Can Improve Their Business Operation
HowTos

6 Ways SMBs Can Improve Their Business Operation

HowTos, Monitoring, Prometheus, Ubuntu 18.04

Install Prometheus on Ubuntu 18.04

Install and Setup GlusterFS on Ubuntu
Storage, GlusterFS, HowTos

Setup GlusterFS Distributed Replicated Volume on CentOS 8

Install MariaDB 10.5 on FreeBSD 13
HowTos

Install MariaDB 10.5 on FreeBSD 13

How to Encrypt Data at Rest on Ceph Cluster OSD

Install and Setup Lynis Security Auditing tool on Ubuntu 20.04

Install sysPass Password Manager on Ubuntu 22.04/Ubuntu 20.04

How to Install RTIR Module on Request Tracker [2025]

Setup IPSec VPN server with Libreswan on Rocky Linux

Configure SSH Local Port Forwarding in Linux

Install WireGuard VPN Client Ubuntu 24.04

Install and Setup Nessus Scanner on Ubuntu 20.04

Install and Enroll Elastic Agents to Fleet Manager in Linux

How to Install and Configure Nessus Scanner on Ubuntu 18.04/CentOS 7

Install and Setup Squid Proxy on pfSense

Install sysPass Password Manager on Ubuntu 18.04

MONITORING

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Install Arkime (Moloch) Full Packet Capture tool on Ubuntu

Install Arkime Full Packet Capture tool on Ubuntu

gen_too

Welcome to our tutorial on how to install Arkime (Moloch) Full Packet Capture tool on …

Setup Multi-node Elasticsearch Cluster

How to Setup Multinode Elasticsearch 9 Cluster

Kifarunix

Follow through this tutorial to learn how to setup multinode Elasticsearch 9 cluster. As of …

Setup Multi-node Elasticsearch Cluster

Setup Multi-node Elasticsearch Cluster

koromicha

In this guide, we are going to learn how to setup multi-node Elasticsearch cluster. This …

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 …

install and configure snmp on Linux

Install and Configure SNMP on CentOS 8

gen_too

Welcome to our guide on how to install and configure SNMP on CentOS 8. SNMP …

Install and Setup TIG Stack on Ubuntu 20.04

gen_too

In this tutorial, we are going to learn how to install and setup TIG Stack …

Installing Linux Dash with Nginx on Ubuntu 18.04 LTS

koromicha

This guides presents a simple way installing Linux Dash with Nginx on Ubuntu 18.04 LTS. …

fleet

Install and Setup Kolide Fleet on Ubuntu 18.04

koromicha

In this guide, we are going to learn how to install and Setup Kolide Fleet …

nagios nrpe

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

koromicha

In this tutorial, we are going to learn how to install Nagios NRPE Agent on …

velociraptor

Install and Setup Velociraptor on Ubuntu 20.04

gen_too

Welcome to our tutorial on how to install and setup Velociraptor on Ubuntu 20.04. Velociraptor …

Backup and Restore Elasticsearch Index Data

Backup and Restore Elasticsearch Index Data

In this blog post, you will learn how to backup and restore Elasticsearch Index data. Well, there are various reasons …
Logstash: Write Specific Events to Specific Index

Logstash: Write Specific Events to Specific Index

In this blog post, you will learn how to write specific events to specific index using Logstash. Logstash is a …

Install and Configure Prometheus on CentOS 8

Welcome to our guide on how to install and configure Prometheus on CentOS 8. Prometheus is an  open-source time series …

NETWORKING

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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, …
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 …
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 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 …
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 …
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 …
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 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 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 …

STORAGE

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Install and Setup Ceph Storage Cluster on Ubuntu 22.04

How to Install MinIO Object Storage Server on RHEL 9

How Install and Configure iSCSI Storage server on CentOS 7

KVM Online Disk Expansion: How to Extend Virtual Disks Without Downtime

Install ownCloud Desktop Client on Debian 10

Install and Setup Ceph Storage Cluster on Ubuntu 20.04

Install and Configure BackupPC on CentOS 8

Install and setup GlusterFS on Ubuntu 22.04/Ubuntu 20.04

VIRTUALIZATION

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Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Kifarunix

In this tutorial, we will walk you through the steps of creating KVM virtual machines …

kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

Kifarunix

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with …

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 Debian 11/Debian 10

koromicha

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

shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Kifarunix

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk …

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 …

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 Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Kifarunix

How can you install Docker desktop on Linux? In this tutorial, you will learn how …

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 …

Install Ubuntu 20.04 on VirtualBox

koromicha

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

Install KVM on Debian 12

Install KVM on Debian 12

In this tutorial, you will learn how to install KVM on Debian 12. KVM, an acronym for Kernel-based Virtual Machine, …
Install Debian 12 on VirtualBox

Install Debian 12 on VirtualBox

Follow through this tutorial to learn how to install Debian 12 on VirtualBox. The Debian project is proud to present …
Install Linux Mint 21 on VirtualBox

Easy way to Install Linux Mint 21 on VirtualBox

How to install Linux Mint Cinnamon virtual machine? Follow through this tutorial to learn an easy way to install Linux …

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