Containers, Automate System Tasks, Automation, Automation, HowTos, Kubernetes

Automate Tasks in OpenShift with Kubernetes Jobs and Cron Jobs: A Practical Guide

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Kifarunix
Virtualization, HowTos, VirtualBox

Install VirtualBox on Ubuntu 21.04

Certifications, Cisco CCNA R&S

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

HowTos

How to Automate RHEL OS Upgrades Using Ansible Automation Platform (AAP)

Virtualization, Containers, Docker, HowTos

How to Install Docker Resource Usage Extension

Containers

More
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

In this blog post, you will learn how to backup and restore applications in OpenShift 4 with OADP (Velero). In …
kubernetes secrets

How to Use Secrets in Kubernetes Applications

In this blog post, you will learn how to use Secrets in Kubernetes applications. In Kubernetes, managing configuration data and …
install portainer on Linux

Install Portainer on Debian 11/Debian 10

In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is a self-service container service delivery …
Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

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 Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

role-based access control in kubernetes

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

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

OpenShift Builds and BuildConfig

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Install and Use Docker on Debian 10 Buster

install docker ce on debian 12

How to Install Docker CE on Debian 12

Scale OpenShift Data Foundation Storage on Bare Metal

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

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

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

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

Security

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

Install ModSecurity 3 with Nginx on Debian 12

Configure strongSwan VPN Client on Ubuntu 18.04/CentOS 8

Most Popular

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How to Configure OpenStack Networks for Internet Access
HowTos, OpenStack, Virtualization

How to Configure OpenStack Networks for Internet Access

install and setup openvpn server in Linux
Security, HowTos, OpenVPN, VPN

Step-by-Step Guide: Install and Setup OpenVPN Server on Ubuntu 22.04

Graylog, HowTos, Monitoring

Create Squid Logs Extractors on Graylog Server

Database, HowTos, MariaDB, MySQL

Install MySQL 8 on Fedora 30/Fedora 29

ntopng
Monitoring, HowTos

Install ntopng on Rocky Linux 8

Install and Setup Security Onion on VirtualBox
Security, HowTos, Monitoring, VirtualBox, Virtualization

Install and Setup Security Onion on VirtualBox

Install and Setup Velociraptor on Ubuntu 18.04

Install Wazuh Agent on Rocky Linux 8

Top 15 Emerging Technology in Cybersecurity

Easily Configure Elasticsearch HTTPS Connection

How to Install and Use VeraCrypt to Encrypt Drives on Ubuntu

How To Reset Or Recover Root Password On OPNsense

Install and Configure Snort 3 on Ubuntu 22.04

How to Automate eCryptfs Mounting Procedure

Install and Setup Suricata on Rocky Linux

Install OSSEC Agent on Debian 10 Buster

ExpressVPN – Easy to Use VPN

Install and Setup Security Onion on VirtualBox

MONITORING

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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 …

Install Elastic Stack 7 on Ubuntu

Install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8

koromicha

Today we are going to learn how to install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8. …

Install and Configure Zabbix

Install Zabbix Server on Ubuntu 22.04

koromicha

In this guide, we are going to learn how to install Zabbix server on Ubuntu …

Enable Kibana HTTPS Connection

Quick Way to Enable Kibana HTTPS Connection

gen_too

In this tutorial, you will learn how to enable Kibana HTTPS connection. HTTPS connections ensures …

wazuh vt

Detecting Malicious Files with Wazuh and VirusTotal

gen_too

In this tutorial, you will learn on detecting malicious files with Wazuh and VirusTotal. Wazuh …

Install LibreNMS on Linux

Install LibreNMS on Debian 11/Debian 10

koromicha

Follow through this tutorial to learn how to install LibreNMS on Debian 11/Debian 10. LibreNMS …

enroll Windows systems into Osquery Fleet Manager

Enroll Windows Systems into Osquery Fleet Manager

koromicha

Welcome to our guide on how to enroll Windows systems into Osquery Fleet Manager. Fleet is …

nagios

Add Hosts to Nagios Server For Monitoring

koromicha

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

gitlab

Monitoring Gitlab Metrics with Prometheus and Grafana

koromicha

In this tutorial, we will learn about monitoring Gitlab metrics with Prometheus and Grafana. Grafana …

Install Monitorix on Ubuntu 20.04

Install Monitorix on Ubuntu 20.04

koromicha

In this guide, we are going to learn how to install Monitorix on Ubuntu 20.04. Monitorix is …

nagios nrpe

Install Nagios NRPE Agents on Debian 11/Debian 10

This guide describes how to easily install Nagios NRPE agents on Debian 11/Debian 10. If you want to monitor your …
Install and Setup Nagios

How to Install Nagios Server on Ubuntu 24.04

In this guide, we will provide a step-by-step tutorial on how to install Nagios Server on Ubuntu 24.04. Nagios, now …
Process and Visualize ModSecurity Logs on ELK Stack

Process and Visualize ModSecurity Logs on ELK Stack

In this tutorial, you will learn how to process and visualize ModSecurity Logs on ELK Stack. ModSecurity is an open …

NETWORKING

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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 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 …
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 …
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 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 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 …
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 …
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 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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Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Install ownCloud Desktop Client on CentOS 8

How to Install MinIO Object Storage Server on RHEL 9

Install ownCloud Desktop Client on Debian 10

How to Access Samba Share on Linux and Windows Systems

Install ownCloud Desktop Client on Ubuntu 20.04

How to Install and Configure iSCSI Storage Server on Ubuntu 18.04

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

VIRTUALIZATION

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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 …

install ubuntu 25.04 on virtualbox

How to Install Ubuntu 25.04 on VirtualBox: A Step-by-Step Guide

Kifarunix

Wondering how to install Ubuntu 25.04 on VirtualBox? Ubuntu 25.04, codenamed “Plucky Puffin,” is the …

Install VirtualBox Guest Additions on Debian 10 Buster

koromicha

So if you have installed Debian 10 Buster on VirtualBox, you might have realized that …

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 …

Create and Manage VirtualBox VM Groups

Create and Manage VirtualBox VM Groups

koromicha

In this tutorial, you will learn how to create and manage VirtualBox vm groups. In …

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. …

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Kifarunix

How can I setup a Docker swarm? In this tutorial, you will learn how to …

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 …

Install VirtualBox on Debian 11 Desktop

gen_too

In this tutorial, you will learn how to install VirtualBox on Debian 11 desktop version. …

Install VirtualBox 7 on Debian 12 Desktop

Install VirtualBox 7 on Debian 12

Kifarunix

This guide will take you through how to install VirtualBox 7 on Debian 12. VirtualBox …

How to Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04

In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox 6.0 on Ubuntu 16.04. Oracle …
Install VirtualBox Guest Additions on Rocky Linux 8

Install VirtualBox Guest Additions on Rocky Linux 8

In this tutorial, you will learn how to install VirtualBox guest additions on Rocky Linux 8. In our previous guide, …
Install Rocky Linux 8 on VirtualBox

Install Rocky Linux 8 on VirtualBox

Follow through this tutorial to learn how to install Rocky Linux 8 on VirtualBox. According to rockylinux.org, Rocky Linux is …

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