HowTos, Firewall, pfSense, Security, VPN

Configure Site-to-Site IPSec VPN on pfSense and Libreswan

BY
gen_too
HowTos, Apache, Web Servers

Configure LDAP Based HTTP Basic Authentication

HowTos

Install WPS Office on Ubuntu 20.04/Debian 11

HowTos

Install DokuWiki on Rocky Linux

Storage, HowTos, RAID

Setup Software RAID on Ubuntu 20.04

Containers

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Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Follow through this guide to learn how to deploy ELK Stack 8 cluster on Docker containers. Deploying a multinode ELK …

Install and Use Docker on Debian 10 Buster

In this guide, we are going to learn how to install and use Docker on Debian 10 Buster. Docker is …
Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

In this guide, we will explain OpenShift Security Context Constraints (SCCs) in simple terms. SCCs are essential components of OpenShift …
Install Minikube on Debian 12

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

nagios docker

Deploy Nagios as a Docker Container

openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

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

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

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

docker hardened images

Why Docker Hardened Images Are a Game-Changer for Software Supply Chain Security

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

Part 2: How to Backup Applications and Persistent Volumes in OpenShift with OADP

Kubernetes Kustomize 101: Introduction and Basics

Kubernetes Kustomize 101: Introduction and Basics

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

integrate OpenShift with Active Directory for Authentication

Integrate OpenShift with Active Directory for Authentication

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

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

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

Configure HTPasswd Identity Provider in OpenShift 4.x

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

Security

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Install Passbolt on Debian 12

Configure LibModsecurity with Apache on CentOS 8

Install GVM 21.4 on Ubuntu 20.04

Most Popular

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Quickly Check If Linux System is Using BIOS or UEFI
HowTos, Linux Commands

Quickly Check If Linux System is Using BIOS or UEFI

Install MySQL Workbench on Oracle Linux 8
HowTos, Database, MySQL

Install MySQL Workbench on Oracle Linux 8

install java
HowTos, Java

Install Java 11 on Debian 9.8/Ubuntu 18.04

Asset Management, HowTos, ManageEngine AssetExplorer

Install ManageEngine AssetExplorer on CentOS 7/Fedora 30/29

integrate OpenShift with Active Directory for Authentication
OpenShift, Containers, Directory Server, HowTos, Windows Active Directory

Integrate OpenShift with Active Directory for Authentication

Certifications, Cisco CCNA R&S

Is It Possible to Explore Cisco CCNA Routing and Switching Certification via Practice Tests from Examsnap?

Setup IPSEC VPN using StrongSwan on Debian 10

How to Enable Secure Shell (SSH) server on OPNsense

Setup IPSec Site-to-Site VPN Tunnel on pfSense

Install OpenVAS 10 (GVM) on Debian 10 Buster

Install ModSecurity 3 with Nginx on Ubuntu 22.04

Install and Configure Snort 3 on Ubuntu 22.04

Analyze PCAP Files using Malcolm Network Traffic Analysis tool

Install GVM Vulnerability Scanner on Ubuntu 24.04

Install and Configure AIDE on Ubuntu 18.04

Assign Static IP Addresses for OpenVPN Clients

How to Install and Use ClamAV Antivirus on Ubuntu 18.04

Setup Multinode Elasticsearch 8.x Cluster

MONITORING

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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 …

Install Elastic Stack 7 on Ubuntu

Install Elastic Stack 7 on Ubuntu 18.04/Debian 9.8

koromicha

This tutorial will guide on how to install Elastic Stack 7 on Ubuntu 18.04/Debian 9.8. …

Install Monitorix on Ubuntu 20.04

Install Monitorix on Debian 10

koromicha

This guide provides a step by step tutorial on how to install Monitorix on Debian …

How to Monitor Remote Linux Hosts and Services with Icinga 2 on Ubuntu 18.04

koromicha

In this very tutorial, you are going learn how to monitor hosts and services with …

Install Osquery on Ubuntu 20.04

Enroll Osquery Hosts on Fleet Manager

koromicha

In this tutorial, you will learn how to add or enroll Osquery hosts on Fleet …

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

koromicha

In this tutorial, you will learn how to monitor SSL/TLS certificate expiry with Prometheus and …

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. …

kibana custom ingest pipelines

Create Custom ELK Ingest Pipeline for Custom Log Processing

gen_too

Follow through this tutorial to learn how create custom ELK ingest pipeline for custom log …

install and configure snmp on Linux

Install and Configure SNMP on Ubuntu 18.04 and CentOS 7

koromicha

In this guide, we are going to learn how to install and configure SNMP on …

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

Kifarunix

How can I monitor Docker swarm node metrics? In this tutorial, you will learn how …

Install LibreNMS on Linux

Add Hosts to LibreNMS Server for Monitoring

In this tutorial, you will learn how to add hosts to LibreNMS server for monitoring. LibreNMS is a fully featured MySQL/PHP …
gitlab

Monitoring Gitlab Metrics with Prometheus and Grafana

In this tutorial, we will learn about monitoring Gitlab metrics with Prometheus and Grafana. Grafana is a data visualization and …
Install Osquery on Ubuntu 20.04

Install Osquery on Ubuntu 20.04

In this guide, we are going to learn how to install osquery on Ubuntu 20.04. Osquery is an opensource tool …

NETWORKING

More
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 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 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 …
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 …
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, …
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 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

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 …
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

More

Setup Replicated GlusterFS Volume on Ubuntu

How to Setup Ceph Admin Node in High Availability

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

Exploring LVM: Learn About Common PV, LV, and VG Attributes | LVM Attributes

How to Upgrade ownCloud 9 to ownCloud 10 on Ubuntu 16.04

Extend Existing LUKS-Encrypted LVM by Adding Physical Volume

Install and Configure NFS Server on Rocky Linux 8

Configure OpenShift 4 Image Registry Persistent Storage with ODF: 2026 Step-by-Step Guide

VIRTUALIZATION

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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 …

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 …

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 …

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

gen_too

Follow through this tutorial to learn how to deploy HAProxy as a Docker container. HAProxy …

Install VirtualBox Guest Additions on Rocky Linux 8

Install VirtualBox Guest Additions on Rocky Linux 8

koromicha

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

upgrade virtualbox 6.0 6.1

Upgrade VirtualBox 6.0 to 6.1 on Ubuntu Systems

koromicha

With the release of VirtualBox 6.1 and its new major features, you should be planning …

Upgrade Ubuntu 18.04 to Ubuntu 20.04

koromicha

Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2020.3

koromicha

In order to set your Kali Linux running on VirtualBox in fullscreen mode, you need …

Install VirtualBox Guest Additions on Rocky Linux 9

Install Oracle Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to simply install Oracle Linux 9 on …

bullseye 11

Install Debian 11 on VirtualBox

gen_too

Follow through this tutorial to learn how to install Debian 11 on VirtualBox. The Debian …

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, …
Change Windows Boot Device from IDE to Virtio on KVM

Change Windows Boot Device from IDE to Virtio on KVM

In this tutorial, you will learn how to change Windows boot device from IDE to Virtio on KVM. IDE and …
Easily Access Shared Folder on Linux VirtualBox VM

Easily Access Shared Folder on Linux VirtualBox VM

In this tutorial, you will learn how to setup and easily access shared folder on Linux VirtualBox VM. VirtualBox supports …

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