Linux Commands, HowTos

Is Knowing Linux Profitable for a Graduate?

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koromicha
HowTos, RHEL

How to Install RHEL 10 on VirtualBox

HowTos, Linux Commands

How to get Byte Count in a File in Linux

Kubernetes, Containers, HowTos

Kubernetes Kustomize 101: Introduction and Basics

Monitoring, Elastic Stack, HowTos

Configure Filebeat 8 to Write Logs to Specific Data Stream

Containers

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Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

In this tutorial, you will learn how to assign roles to users and groups in Kubernetes cluster. With Kubernetes becoming …
Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

In this blog post, we will discuss how you can control OpenShift pod permissions with SCCs and service accounts. Have …
Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

How can I monitor Docker swarm node metrics? In this tutorial, you will learn how to monitor Docker swarm node …
Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

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

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

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Configure OpenShift 4 Image Registry Persistent Storage with ODF

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

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

install docker ce

Install Docker CE on Ubuntu 20.04

Enable User Workload Monitoring in OpenShift 4.20

How to Enable User Workload Monitoring in OpenShift 4.20: Let Developers Monitor Their Apps

How to Install Docker Desktop on Kali Linux

How to Install Docker Desktop on Kali Linux

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

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

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

Security

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Install and Setup Velociraptor on Ubuntu 20.04

Configure Availability Monitoring on AlienVault USM/OSSIM using Nagios

Install Malcolm Network Traffic Analysis Tool on Ubuntu 22.04

Most Popular

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Install and Setup Roundcube Webmail on Ubuntu
HowTos,

Install Roundcube Webmail on Ubuntu 22.04

Install OpenNMS Network Monitoring tool on Ubuntu 20.04
Monitoring, HowTos

Install OpenNMS Network Monitoring tool on Ubuntu 20.04

install apache guacamole
HowTos, Guacamole, Remote Desktop

Guacamole: How to fix RDP server closed/refused connection: Security negotiation failed (wrong security type?)

HowTos, DHCP Server

Install and Setup DHCP Server on CentOS 8

Wazuh siem dashaboard
Security, HowTos, Monitoring, Wazuh

Install Wazuh SIEM Server on Ubuntu 24.04

integrate openstack with ceph storage cluster
HowTos, Ceph, Cloud Compute, OpenStack, Storage

Part 2: Integrate OpenStack with Ceph Storage Cluster

Install Passbolt Password Manager on Rocky Linux 8

Assign Static IP Addresses for OpenVPN Clients

Install and Configure OpenVPN Client on Rocky Linux 8

Install Wazuh SIEM Server on Ubuntu 24.04

Connect to Cisco VPN Using PCF file on Ubuntu

Introduction to Role-Based Access Control (RBAC) in Kubernetes

6 Little-Known Things You Can Do With a VPN

Exploring the World of Residential Proxy Networks

Configure Guacamole SSL/TLS with Nginx Reverse Proxy

Install GVM 21.04 on Rocky Linux 8

Cybersecurity for Your Business: What Is the Importance of Implementing It

List  of top 10 Tips to Protect your Privacy Online

MONITORING

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Install Logstash 9 on Ubuntu/Debian

Install Logstash 9 on Ubuntu/Debian

Kifarunix

This guide is about how to install Logstash 9 on Ubuntu/Debian as a continuation of …

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 …

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 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 …

Install Grafana on Ubuntu

Install Grafana Data Visualization Tool on Ubuntu 18.04

koromicha

In this guide, we are going to learn how to install Grafana Data Visualization Tool …

Install Sysdig system visibility tool on Ubuntu

Install Sysdig System Visibility Tool on Ubuntu 22.04

koromicha

This tutorial will take you through how to install Sysdig system visibility tool on Ubuntu …

install and configure snmp on Linux

Install and Configure SNMP on Rocky Linux 8/9

koromicha

Follow through this tutorial to learn how to install and configure SNMP on Rocky Linux …

Install InfluxDB on Fedora 30/Fedora 29

koromicha

Welcome to our guide on how to Install InfluxDB on Fedora 30/Fedora 29. InfluxDB is …

Install Wazuh Manager with ELK on Debian

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

gen_too

In this tutorial, you will learn how to install Wazuh server on Rocky Linux 8/Rocky …

Monitor Linux System Metrics with Prometheus Node Exporter

koromicha

In this tutoria, we are going to learn how to monitor Linux system metrics with …

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 Nagios Plugins From Source RHEL/CentOS/Oracle Linux

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

In this article, we are going to learn how to install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora …
Install and Configure Zabbix

Add Hosts to Zabbix Server for Monitoring

This guide will take you through how you can be able to add hosts to Zabbix Server for monitoring. Zabbix …

NETWORKING

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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 …
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 …
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, …
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 …
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 …
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 …
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 …
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 …

STORAGE

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Mount Remote Filesystem Over SSH using SSHFS

How to Install MinIO Object Storage Server on RHEL 9

Easy way to Setup NFS Server on Ubuntu 20.04

Install and Setup Ceph Storage Cluster on Ubuntu 22.04

Install and Configure BackupPC on Debian 10

Extend OpenShift CoreOS /sysroot Root Filesystem

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

Install and Setup GlusterFS Storage Cluster on CentOS 8

VIRTUALIZATION

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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 …

install portainer on Linux

Install Portainer on Rocky Linux

koromicha

In this tutorial, you will learn how to install Portainer on Rocky Linux. Portainer is a …

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Kifarunix

Can you run WordPress in a Docker container? Yes, follow this tutorial to learn how …

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 …

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 …

Install VirtualBox Guest Additions on Ubuntu 24.04

Install VirtualBox Guest Additions on Ubuntu 24.04

Kifarunix

In this guide, you will learn how to install VirtualBox guest additions on Ubuntu 24.04. …

Install KVM on Debian 12

Install KVM on Debian 12

Kifarunix

In this tutorial, you will learn how to install KVM on Debian 12. KVM, an …

Install VirtualBox Guest Additions on Linux Mint 21

Install VirtualBox Guest Additions on Linux Mint 21

Kifarunix

Follow through this tutorial to learn how you can easily install VirtualBox guest additions on …

Install VirtualBox on Ubuntu 21.04

Install VirtualBox on Ubuntu 21.04

koromicha

Ubuntu 21.04 code named, Hirsute Hippo is available for testing as of this writing with …

List Running and Stopped VMS on KVM

List Running and Stopped VMS on KVM

koromicha

Follow through this guide to learn how to list running and stopped vms on KVM. …

wubuntu

Install Wubuntu Linux on VirtualBox

Follow through this guide to learn how to install Wubuntu Linux on VirtualBox. According to wubuntu.org; Wubuntu – Linux with …

Install VirtualBox Guest Additions on Ubuntu 18.04

In this guide, we are going to learn how to install VirtualBox Guest Additions on Ubuntu 18.04 VM. Oracle VM …
shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, this is an almost mission …

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