Virtualization, HowTos, VirtualBox

Install VirtualBox Guest Additions on Ubuntu 24.04

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Kifarunix
Containers, HowTos, Kubernetes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

HowTos, Monitoring, OpenVPN, Security, VPN

How to Monitor OpenVPN Connections using openvpn-monitor tool

HowTos, InfluxDB, Monitoring, Telegraf, TICK Stack, TIG stack

Monitor System Metrics with TICK Stack on Ubuntu 20.04

Containers, Docker, HowTos, Kubernetes

Installing Minikube on Ubuntu 24.04

Containers

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How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

How can you install Resource usage extension on Docker desktop? In this guide, you will learn how to install Docker …
How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

In this blog post, we will cover how to configure centralized logging in OpenShift with LokiStack and ODF. If you …
Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

In this blog post, we will walk through how to backup and restore etcd in OpenShift 4, including setting up …
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

Install and Use Docker on Debian 10 Buster

Deploy Multi-Node OpenStack using Kolla-Ansible

Deploy Multinode OpenStack using Kolla-Ansible

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

backup and restore kubernetes etcd cluster

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

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

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

deploy multinode OpenShift cluster using UPI

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

Configure CloudBees CI High Availability for Managed Controllers on OpenShift

How to Configure CloudBees CI High Availability for Managed Controllers on OpenShift

openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

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

install portainer on Linux

Install Portainer on Ubuntu 22.04

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

Part 1: How to Install and Configure OADP Operator on OpenShift 4

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

How to Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

How to Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

Security

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Install ModSecurity 3 with Apache in a Docker Container

How to Protect SSH Server Authentication with Fail2ban Ubuntu 18.04

Install Nessus Professional Scanner on Debian 10

Most Popular

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How to Measure CPU Usage in Linux
Monitoring, Capacity planning, LPIC-2, LPIC-2 Exam 201-405 Topics and Objectives

How to Measure CPU Usage in Linux

Hide your network and prevent unauthorized connections
HowTos

Hide your Network and Prevent Unauthorized Connections

Database, MariaDB

Install MariaDB 10.3 on Fedora 30

Install and Configure Snort 3 on Ubuntu 22.04
HowTos, Security

Install and Configure Snort 3 on Ubuntu 22.04

Install and Setup VeraCrypt
Security, Encryption, HowTos

Install and Setup VeraCrypt on Rocky Linux

Install and Configure Libreswan VPN Client on Ubuntu/Debian
HowTos, Security, VPN

Install and Configure Libreswan VPN Client on Ubuntu/Debian

Why Cybersecurity Investments Are Non-Negotiable for Modern Businesses

What are the Benefits Of Using a Password Management For Your Business

Install Gophish on Ubuntu 22.04

Monitor Linux Hosts using Nagios check_by_ssh Plugin

Install ModSecurity 3 with Nginx on Ubuntu 22.04

How to Install and Setup Tailscale VPN on Debian 12

Install LibModsecurity with Apache on Ubuntu 20.04

How to Enable HTTPS for Request Tracker on Linux

Install WPScan on Ubuntu 20.04

Configure SSH Local Port Forwarding in Linux

Install Nikto Web Scanner on Rocky Linux 8

Securely SSH to Remote Host via Multiple Jump Hosts

MONITORING

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check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Kifarunix

How to check Docker CPU and memory usage? In this tutorial, you will learn how …

install and configure snmp ubuntu 20.04

Quick Way to Install and Configure SNMP on Ubuntu 20.04

gen_too

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

How to Enable and Configure Cortex Analyzers

How to Easily Enable and Configure Cortex Analyzers

koromicha

Follow through this tutorial to learn how to enable and configure Cortex Analyzers. Cortex is …

Install Wazuh Manager with ELK on Debian

Install Wazuh Manager with ELK on Debian 12

Kifarunix

In this tutorial, you will learn how to install Wazuh Manager with ELK on Debian …

nagios

Add Hosts to Nagios Server For Monitoring

koromicha

In this guide, we are going to learn how to add hosts to Nagios Server …

Install Prometheus on Linux

Configure Prometheus Email Alerting with AlertManager

gen_too

In this tutorial, you will learn how to configure Prometheus Email alerting with AlertManager. AlertManager …

Install and Setup Nagios

Install Nagios Server on CentOS 8

koromicha

In this guide, you will learn how to install Nagios Server on CentOS 8. Nagios provides …

Enable User Workload Monitoring in OpenShift 4.20

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

Kifarunix

In this blog post, you will learn how to enable user workload monitoring in OpenShift …

Configure ELK Stack Alerting with ElastAlert

Configure ELK Stack Alerting with ElastAlert

gen_too

Welcome to our tutorial on how to configure ELK Stack alerting with ElastAlert. As much …

Install Latest Grafana on CentOS 8

koromicha

In this guide, we are going to learn how to install latest Grafana on CentOS …

Install Zabbix Agent on Windows Systems

Install Zabbix Agent on Windows Systems

This guide will take you through how to install Zabbix agent on Windows systems. Install Zabbix Agent on Windows Systems …
Install and Configure Wazuh Manager

Install and Configure Wazuh Manager on Ubuntu 22.04

In this tutorial, you will learn how to install and configure Wazuh Manager on Ubuntu 22.04. According to the documentation, …
Install LibModsecurity with Apache on Ubuntu 20.04

Install ModSecurity with Apache on Ubuntu 22.04

Welcome to our guide on how to install ModSecurity with Apache on Ubuntu 22.04. Modsecurity is an open source, cross …

NETWORKING

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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, …
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 …
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 …
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 …
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 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 …
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 …
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 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 …

STORAGE

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How to Configure NFS Server on Ubuntu 18.04

Install ownCloud Server on CentOS 8

Install and Setup GlusterFS Storage Cluster on CentOS 8

Install ownCloud Desktop Client on Ubuntu 20.04

Install ownCloud Desktop Client on Debian 10

How to Setup Ceph Admin Node in High Availability

Easy Way to Extend KVM Virtual Machine Disk Size

VIRTUALIZATION

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Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

koromicha

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on …

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 …

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 …

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 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 …

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 VirtualBox Guest Additions on Fedora 31/32

koromicha

In this guide, we are going to learn how to install VirtualBox Guest Addition on …

install portainer on Linux

Install Portainer on Ubuntu 22.04

koromicha

In this tutorial, you will learn how to install Portainer on Ubuntu 22.04. Portainer is a …

Install OPNsense on VirtualBox

How to Install OPNsense on VirtualBox

koromicha

In this tutorial, we are going to learn how to install OPNsense on VirtualBox. OPNsense …

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 …

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

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

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on Ubuntu 22.04. Kolla provides Docker …
clone kvm virtual machines

How to Clone KVM Virtual Machines

What is the quick and easy way to clone KVM virtual machines? In this guide, we’ll explore the step-by-step procedure …
insert guest addition iso

Install VirtualBox Guest Additions on Wubuntu

Follow through this step by step guide to lean how to install VirtualBox Guest Additions on Wubuntu. After you have …

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