HowTos

7 Reasons Why Learning Java in 2021 is Still a Good Idea

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gen_too
HowTos

Install Signal Messenger on Ubuntu 20.04

HowTos, Storage

Install Couchbase Server on Ubuntu 22.04/Ubuntu 20.04

Security, HowTos, Vulnerability Scanners

Install ClamAV on Rocky Linux 8

Virtualization, HowTos, VirtualBox

Install VirtualBox Guest Additions on Wubuntu

Containers

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Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on Ubuntu 18.04. Kolla provides Docker …
kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

In Kubernetes, effective state management is crucial for maintaining the stability and reliability of your clusters. Kubernetes relies on two …
openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

The guide originally included modifications to the Kolla Ansible playbooks to enable deployment of OpenStack on Ubuntu 24.04 LTS. However, …
How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

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

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

Scale OpenShift Data Foundation Storage on Bare Metal

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

Install and Run MariaDB as a Docker Container

Deploy Apps on OpenShift Using BuildConfig

How to Deploy Apps on OpenShift Using BuildConfig: A Step-by-Step Guide (2025)

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

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

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Install Minikube on Debian 12

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

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

install docker ce

Install Docker on Rocky Linux 8|9

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

docker hardened images

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

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

Security

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How to Install OpenVPN Server on Ubuntu 24.04

Install Wireshark on Ubuntu 22.04

Install sysPass Password Manager on Ubuntu 22.04/Ubuntu 20.04

Most Popular

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Send Windows logs to Elastic Stack using Winlogbeat and Sysmon
Security, Elastic Stack, HowTos, Monitoring

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon

Exploring the World of Residential Proxy Networks
HowTos, Security

Exploring the World of Residential Proxy Networks

rengine login
Security, HowTos, Vulnerability Scanners

Install reNgine on Ubuntu 20.04|Ubuntu 18.04

Install BackupPC
HowTos

Install BackupPC on Ubuntu 22.04

How to Deploy Single Node OpenShift (SNO) Using the Agent-Based Installer on KVM
Containers, HowTos, Kubernetes, OpenShift

Deploy Single Node OpenShift (SNO) on KVM: Agent-Based Installer Guide

gradle
HowTos, Java

Install Gradle on Rocky Linux 8

Install Velociraptor Client on Linux and Windows Systems

How to Install IBM QRadar Community Edition SIEM on VirtualBox

How to Install Sophos AntiVirus on Ubuntu 18.04

How to Install and Use WPScan WordPress Vulnerability Scanner Ubuntu 18.04

Install pfSense Firewall on KVM

Analyze PCAP Files using Malcolm Network Traffic Analysis tool

Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

How to Scan a Remote Host using Nessus Vulnerability Scanner

Step-by-Step Guide to Install and Setup OpenVPN Server on Debian 12

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

Configure Ubuntu 20.04 as Linux Router

MONITORING

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kibana

Install ELK Stack on Ubuntu 20.04

gen_too

Welcome to our guide on how to install ELK Stack on Ubuntu 20.04. ELK, currently …

install nagios core on centos 9 stream

Install Nagios Server on CentOS 9 Stream

Kifarunix

In this guide, you will learn how to install Nagios Server on CentOS 9 Stream. …

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Kifarunix

Is it possible to monitor Docker Swarm and container metrics using Metricbeat? Yes, of course! …

Monitor Squid Access Logs with Graylog Server

koromicha

Welcome to our tutorial on how to monitor squid access logs with Graylog server. Graylog is …

Install Prometheus on Linux

Install Prometheus on Debian 10

koromicha

In this guide, we are going to learn how to install Prometheus on Debian 10. Prometheus is …

fleet

Install Kolide Fleet Osquery Fleet Manager on Debian 10

koromicha

Welcome to our guide on how to install Kolide Fleet Osquery fleet manager on Debian …

Install Elastic Stack 7 on Ubuntu

Install and Configure Filebeat 7 on Ubuntu 18.04/Debian 9.8

koromicha

This guide discusses how to install and configure Filebeat 7 on Ubuntu 18.04/Debian 9.8. This …

install sensu agent ubuntu/debian

Install Sensu Agent on Ubuntu/Debian

koromicha

This guide will take you through how to install Sensu agent on Ubuntu/Debian systems. We …

nagios nrpe

Install Nagios NRPE Agents on Debian 11/Debian 10

gen_too

This guide describes how to easily install Nagios NRPE agents on Debian 11/Debian 10. If …

Metricbeat System Host overview ECS Elastic

Monitor Linux System Metrics with ELK Stack

gen_too

In this tutorial, you will learn how to monitor Linux system metrics with ELK Stack. …

enroll Windows systems into Osquery Fleet Manager

Enroll Windows Systems into Osquery Fleet Manager

Welcome to our guide on how to enroll Windows systems into Osquery Fleet Manager. Fleet is the most widely used open …
Install and Configure AlienVault HIDs Agent on a Linux Host

How to Install and Configure AlienVault HIDs Agent on a Linux Host

In this tutorial, we are going to learn how to install and configure AlienVault HIDS agent on a Linux host. …
Setup Multi-node Elasticsearch Cluster

How to Setup Multinode Elasticsearch 9 Cluster

Follow through this tutorial to learn how to setup multinode Elasticsearch 9 cluster. As of this writing, Elastic Stack 9.0 …

NETWORKING

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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 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 …
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 …
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, …
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 …
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 …

STORAGE

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Install and Setup GlusterFS Storage Cluster on CentOS 8

Extend OpenShift CoreOS /sysroot Root Filesystem

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

Install ownCloud Desktop Client on Ubuntu 20.04

Install and Configure BackupPC on CentOS 8

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Deploy Ceph Storage Cluster on Debian 12

Install Nextcloud with Nginx and SSL/TLS Certificates on CentOS 8

VIRTUALIZATION

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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 …

Resize Root Partition of VirtualBox VM Snapshot

koromicha

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

Install and Configure Endian Firewall on VirtualBox

Install and Configure Endian Firewall on VirtualBox

koromicha

Welcome to our guide on how to install and configure Endian Firewall on VirtualBox. Endian …

Screenshot from 2021 01 13 22 50 51 1

Install VirtualBox 6.1 on Fedora 33

kaptotonindet

In this tutorial, you will learn how to install VirtualBox 6.1 on Fedora 33. VirtualBox …

Install VirtualBox Guest Additions on Ubuntu 20.04

koromicha

If you have installed Ubuntu 20.04 on VirtualBox, you realize that it is not in …

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 …

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 Linux Mint 21 on VirtualBox

Easy way to Install Linux Mint 21 on VirtualBox

Kifarunix

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

shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Kifarunix

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, …

install kvm on ubuntu

How to Install KVM on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based …

Install VirtualBox Guest Additions on Rocky Linux 9

Install Oracle Linux 9 on VirtualBox

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

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

In this tutorial, you will learn how to fix QEMU/KVM Not connected error on Ubuntu 20.04. Maybe you have installed …
Install VirtualBox Guest Additions on Oracle Linux 9

Install VirtualBox Guest Additions on Oracle Linux 9

Follow through this tutorial to learn how to install VirtualBox guest additions on Oracle Linux 9. VirtualBox guest additions “consist …

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