HowTos, Rsyslog, Storage

Install and Setup Rsyslog Server on Ubuntu 22.04

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koromicha
Virtualization, HowTos, VirtualBox

Install Kali Linux 2022.2 on VirtualBox

HowTos

Compile and Install Programs from Source Code in Linux

HowTos

Install Redmine on Rocky Linux 8|Rocky Linux 9

HowTos, OpenVPN, Security, VPN

4 Reasons Why Home and Remote Workers Should Use a VPN

Containers

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deploy multinode OpenShift cluster using UPI

How to Deploy Multinode OpenShift Cluster Using UPI/User Provisioned Infrastructure

In this blog post, you’ll learn how to deploy multinode OpenShift cluster using UPI (User Provisioned Infrastructure). UPI is one …
OpenShift Builds and BuildConfig

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

In this blog post, we’ll cover OpenShift Builds and BuildConfig essentials, providing you with the fundamental knowledge and practical steps …
deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

In this tutorial, you will learn how to deploy WordPress using Docker compose. In an ever-evolving digital landscape, where websites …
Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

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

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Configure OpenShift 4 Image Registry Persistent Storage with ODF

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

install portainer on Linux

Install Portainer on Rocky Linux

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

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

Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Install Fedora CoreOS on KVM Using an ISO File

Install Fedora CoreOS on KVM Using an ISO File: A Step-by-Step Guide

Security

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How to Use VeraCrypt on Command Line to Encrypt Drives on Ubuntu

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

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

Most Popular

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HowTos, System Manager, Webmin

Install and Use Webmin on Fedora 30

check hardware information on Linux system
Linux Commands

How to Check Hardware information on Linux System

Encrypt Files and directories with eCryptFS on Ubuntu 20.04
Encryption, HowTos, Security

Encrypt Files and Directories with eCryptFS on Ubuntu 20.04

yarn
HowTos

Install Yarn on Debian 11

HowTos, Nextcloud, Storage

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

Install ownCloud Server
Storage, HowTos, ownCloud

Easy way to Install ownCloud Desktop Client on Debian 12

Install Fleet Osquery Manager on Ubuntu 20.04/Ubuntu 22.04

How to Encrypt Data at Rest on Ceph Cluster OSD

Detect Changes to Critical Files in Linux using Auditbeat and ELK

Install sysPass Password Manager on Debian 11/Debian 10

Install Modsecurity with Nginx on Rocky Linux 8

Install Wazuh SIEM Server on Ubuntu 24.04

Install Linux Malware Detect on Ubuntu 22.04/Ubuntu 20.04

How to Install IBM QRadar CE v7.3.1 on VirtualBox

Encrypt Emails using Enigmail on Thunderbird

Eliminate Static Secrets from GitLab CI/CD with OpenBao on OpenShift

Install and Configure OpenVPN Client on Rocky Linux 8

MONITORING

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filebeat

Install Filebeat 8 on Debian 12

Kifarunix

How can I install Filebeat 8 on Debian 12? Well, the installation of Filebeat 8 …

Configure Kibana Dashboards/Visualizations to use Custom Index

Configure Kibana Dashboards/Visualizations to use Custom Index

Kifarunix

In this guide, we will walk you through easy steps to configure Kibana dashboards/visualizations to …

Configure Filebeat 8 to Write Logs to Specific Data Stream

Configure Filebeat 8 to Write Logs to Specific Data Stream

Kifarunix

This guide will take you through how to configure Filebeat 8 to write logs to …

Install Sensu Agent on Windows systems

Install Sensu Agent on Windows systems

koromicha

This guide is about how to install Sensu agent on Windows systems. To be able …

Install Nagios Core on FreeBSD 13

Install Nagios Core on FreeBSD 13

koromicha

In this guide, we are going to learn how to install Nagios Core on FreeBSD …

nagios nrpe

Install Nagios NRPE Agent on CentOS 8

koromicha

Follow through this guide to learn how to install Nagios NRPE agent on CentOS 8. …

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. …

Configure Filebeat 8 to Write Logs to Specific Index

Configure Filebeat 8 to Write Logs to Specific Index

Kifarunix

This guide will take you through how to configure Filebeat 8 to write logs to …

Monitor Linux Hosts using Nagios check_by_ssh Plugin

Monitor Linux Hosts using Nagios check_by_ssh Plugin

koromicha

Welcome to our tutorial on how to monitor Linux Hosts using Nagios check_by_ssh plugin. This …

Install and Setup Security Onion on VirtualBox

Install and Setup Security Onion on VirtualBox

gen_too

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. …

install and configure snmp on Linux

Install and Configure SNMP on Ubuntu 22.04/Debian 11

In this guide, we are going to learn how to install and configure SNMP on Ubuntu 22.04/Debian 11. SNMP is …
Install and Setup Nagios

Install and Setup Nagios on Ubuntu 22.04

In this guide, we will provide a step-by-step tutorial on how to install and setup Nagios on Ubuntu 22.04. Nagios, …

Install Sampler Shell Command Visualization tool on Linux

In this guide, you are going to learn how to install sampler shell command visualization tool on Linux. Sampler is …

NETWORKING

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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 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, …
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 …
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 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 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 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 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

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 …

STORAGE

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Easily Install and Configure Samba File Server on Ubuntu 20.04

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Install ownCloud Desktop Client on Ubuntu 20.04

Install ownCloud Server on Debian 12

Setup Software RAID on Rocky Linux 8

How to Install MinIO Object Storage Server on RHEL 9

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

VIRTUALIZATION

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Install and Setup Security Onion on VirtualBox

Install and Setup Security Onion on VirtualBox

gen_too

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. …

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 …

Start and Stop KVM Virtual Machines from Command Line

Start and Stop KVM Virtual Machines from Command Line

koromicha

This guide will take you through how to start and stop KVM virtual machines from …

Create and Upload Custom Linux Image into OpenStack

Create and Upload Custom Linux Image into OpenStack

koromicha

In this tutorial, you will learn how to create and upload custom Linux image into …

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 …

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 …

perform unattended VM installation on VirtualBox 7

Perform Unattended VM Installation on VirtualBox 7

Kifarunix

What is VirtualBox unattended installation? Follow through this tutorial to learn how to perform unattended …

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 …

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 …

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 …

upgrade virtualbox 6.0 6.1

Upgrade VirtualBox 6.0 to 6.1 on Ubuntu Systems

With the release of VirtualBox 6.1 and its new major features, you should be planning to upgrade your VirtualBox 6.0. …
How to Configure OpenStack Networks for Internet Access

How to Configure OpenStack Networks for Internet Access

How would you configure OpenStack networks for Internet access? Internet access is crucial for various reasons within an OpenStack environment. …
Install Ubuntu 21.04 Desktop on VirtualBox

Install Ubuntu 21.04 Desktop on VirtualBox

In this tutorial, you learn how to install Ubuntu 21.04 Desktop on VirtualBox. The latest stable release of Ubuntu, Ubuntu …

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