HowTos

Install Consul Server on Ubuntu 22.04/Ubuntu 20.04

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koromicha
Storage, iSCSI, Ubuntu 18.04

How to Install and Configure iSCSI Storage Server on Ubuntu 18.04

HowTos, Security, VPN

Tips For Secure Gaming: Why Do You Need a VPN While Playing? 

Monitoring, Elastic Stack, HowTos, Security, Wazuh

Install Wazuh Manager with ELK on Debian 12

grep, Linux Commands, SED

Extract Log Lines of Specific Dates from a Log File

Containers

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StatefulSets in Kubernetes: Everything You Need to Know

StatefulSets in Kubernetes: Everything You Need to Know

In this blog post, you will learn about statefulsets in Kubernetes and everything you need to know: the definition and …
Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

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

In this blog post, we will describe Kubernetes Architecture: a high-level overview of Kubernetes cluster components. Organizations are continually adopting …
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, …
nagios docker

Deploy Nagios as a Docker Container

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

install portainer on Linux

Install Portainer on Ubuntu 22.04

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

OpenShift Builds and BuildConfig

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

Kubernetes Ingress Explained

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

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

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

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

Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Security

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Install OSSEC HIDS Agent on Ubuntu 20.04

Creating Custom Nessus Scan Policy Templates

How to Enable Secure Shell (SSH) server on OPNsense

Most Popular

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fleet
HowTos, Kolide, Monitoring, osquery

Install and Setup Kolide Fleet on Ubuntu 18.04

ceph higly available admin node
Storage, Ceph, HowTos

How to Setup Ceph Admin Node in High Availability

FreeBSD, HowTos, OpenVPN

Install and Configure OpenVPN Server FreeBSD 12

nagios rocky
Monitoring, Nagios

Install Nagios Plugins on Rocky Linux 8

mysql8
HowTos, Database, MySQL

Install MySQL 8 on Ubuntu 22.04

freeipa web login page
HowTos, Directory Server, FreeIPA

Install and Setup FreeIPA Server on CentOS 8

Install and Setup Suricata on CentOS 8

How to Enable Secure Shell (SSH) server on OPNsense

Install TheHive on Ubuntu 22.04/Ubuntu 20.04

How to Easily Enable and Configure Cortex Analyzers

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

Install Arkime Full Packet Capture tool on Ubuntu

Configure CentOS/Rocky/Oracle Linux as a Linux Router

Install and Setup Velociraptor on Debian 10

How to Install RKHunter (RootKit Hunter) On Ubuntu 18.04

Install GVM Vulnerability Scanner on Ubuntu 24.04

Install and Setup Nessus Scanner on Ubuntu 20.04

Install WireGuard VPN Client Ubuntu 24.04

MONITORING

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Install ELK Stack 8.x

Install ELK Stack 8.x on Ubuntu 24.04/Ubuntu 22.04

gen_too

In this tutorial, you will learn how to install ELK stack 8.x on Ubuntu 24.04/Ubuntu …

check mk agents

How to Install Checkmk Monitoring Agents on Linux

koromicha

In this tutorial, you will learn how to install Checkmk monitoring agents on Linux. Monitoring …

Install Elasticsearch 7 on Fedora 30

koromicha

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

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 …

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

Kifarunix

In this tutorial, you will learn how to deploy ELK stack 8 Cluster on Docker …

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 …

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 OSSEC Agent on Solaris

How to Install OSSEC Agent on Solaris 11.4

koromicha

In this tutorial, we are going to learn how to install OSSEC agent on Solaris …

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora 29

koromicha

In this article, we are going to learn how to install Nagios Plugins and NRPE …

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 …

install Fleet osquery manager on Ubuntu 20.04

Install Fleet Osquery Manager on Ubuntu 20.04/Ubuntu 22.04

In this tutorial, you will learn how to install Fleet osquery manager on Ubuntu 20.04/Ubuntu 22.04. With the official retirement …
Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

How to Debug Logstash Grok Filters

Welcome to our guide on how to debug Logstash Grok filters. Grok filter uses regular expressions to parse unstructured event …
install zabbix agent

Install Zabbix Agent on FreeBSD 12

Learn how to install Zabbix Agent on FreeBSD 12 for Zabbix monitoring. Install and configure Zabbix server on Debian 10 …

NETWORKING

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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 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 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 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 …

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, …
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 …
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 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 …
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, …
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 …

STORAGE

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Shrink KVM Virtual Machine LVM Partitioned Disk

How to Access Samba Share on Linux and Windows Systems

Backup Windows System via SMB Using BackupPC

Deploy Ceph Storage Cluster in Kubernetes using Rook

Quick Way to Setup Samba File Server on Debian 10

How to Install and Configure iSCSI Storage Server on Ubuntu 18.04

How to Reduce or Shrink Physical Volume in Linux

Install and Setup Rsyslog Server on Ubuntu 22.04

VIRTUALIZATION

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Install Debian 10 Buster on VirtualBox

koromicha

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

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 …

Easy Way to Extend KVM Virtual Machine Disk Size

Easy Way to Extend KVM Virtual Machine Disk Size

kaptotonindet

This is a simple tutorial on an easy way to extend KVM virtual machine disk …

AutoStart VirtualBox VMs on System Boot on Linux

AutoStart VirtualBox VMs on System Boot on Linux

koromicha

In this guide, we are going to learn how to autostart VirtualBox VMs on system …

Install Solaris 11.4 on VirtualBox

Easily Install Solaris 11.4 on VirtualBox

Kifarunix

In this tutorial, you will learn on how to easily install Solaris 11.4 on VirtualBox. …

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 …

how to automate virtual machine installation on VirtualBox

Automate Virtual Machine Installation on VirtualBox

koromicha

In this tutorial, you will learn how to automate virtual machine installation on VirtualBox. Many …

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 …

kali linux 2021.3 desktop

Upgrade Kali Linux 2021.3 to 2021.4

koromicha

Learn how to upgrade Kali Linux 2021.3 to 2021.4. Kali Linux 2021.4 has just been …

How to Configure OpenStack Networks for Internet Access

How to Configure OpenStack Networks for Internet Access

Kifarunix

How would you configure OpenStack networks for Internet access? Internet access is crucial for various …

kali linux 2021.3 desktop

Upgrade Kali Linux 2021.3 to 2021.4

Learn how to upgrade Kali Linux 2021.3 to 2021.4. Kali Linux 2021.4 has just been released. According to the release …
Install KVM on Oracle Linux

Install KVM on Oracle Linux

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an acronym for Kernel-based Virtual Machine, …
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 …

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