Security, HowTos, VPN

Easily Install FortiClient VPN on Oracle Linux

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koromicha
HowTos

5 Practical Reasons for Learning Linux in 2023

HowTos

How to Choose the Right Fonts for Captioning Videos

HowTos

Easily Upgrade Ubuntu 22.04 to Ubuntu 24.04

Storage, HowTos

Easy way to Setup NFS Server on Ubuntu 20.04

Containers

More
automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

In this guide, we’ll explore how to set up and automate tasks in OpenShift with Kubernetes jobs and cron jobs. …
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 …
Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

How can you setup Kubernetes cluster on Ubuntu? In this tutorial, you will learn how to install and setup Kubernetes …
Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

Deploy Apps on OpenShift Using BuildConfig

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

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

deploy multinode OpenShift cluster using UPI

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

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

install docker ce

Install Docker on Rocky Linux 8|9

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

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

Install and Run MariaDB as a Docker Container

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

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

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

install portainer on Linux

Install Portainer on Debian 11/Debian 10

kubernetes secrets

How to Use Secrets in Kubernetes Applications

Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

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

Security

More

When It Comes to Security, Don’t Overlook Your Linux Systems

5 Things You Didn’t Know You Can Do with a VPN

How to Monitor OpenVPN Connections using openvpn-monitor tool

Most Popular

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What is the Most Profitable Coding Language for a Student?
HowTos

What is the Most Profitable Coding Language for a Student?

What Are the Benefits of SOCKS5 Proxy?
Proxy, Security

What Are the Benefits of SOCKS5 Proxy?

Automate System Tasks, anacron

Scheduling tasks using anacron in Linux/Unix

Install DokuWiki on Debian 11
HowTos, wiki

Install DokuWiki on Debian 11

Install LibreNMS on Linux
Monitoring, HowTos

Install LibreNMS on Rocky Linux

Extend OpenShift CoreOS /sysroot Root Filesystem
Storage, Containers, HowTos, OpenShift

Extend OpenShift CoreOS /sysroot Root Filesystem

How to Install OpenVPN Server on Ubuntu 24.04

Detecting Malicious Files with Wazuh and VirusTotal

Install and Setup OpenVAS 9 Vulnerability Scanner on Ubuntu 18.04

Protecting Your Privacy: How VPNs Safeguard Your Online Presence

Install and Setup Passbolt Password Manager on Ubuntu 20.04

Install and Enroll Elastic Agents to Fleet Manager in Linux

Install WireGuard VPN Client Ubuntu 24.04

Why Should You Be Using Ubuntu? 6 Advantages

Install and Setup VeraCrypt on Linux Mint 21

How to Protect SSH Server Authentication with Fail2ban Ubuntu 18.04

Tips For Secure Gaming: Why Do You Need a VPN While Playing? 

How to Disable Weak SSH Algorithms on RHEL 8/9/10 (SHA-1 HMACs, SHA-1 Kex, CBC, 3DES)

MONITORING

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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 …

Visualize WordPress User Activity Logs on ELK Stack

Visualize WordPress User Activity Logs on ELK Stack

gen_too

In this tutorial, you will learn how to visualize WordPress user activity logs on ELK …

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 …

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. …

Install Sensu Go Ubuntu/debian/rocky

Install Sensu Go on Debian 11

koromicha

Follow through this tutorial to learn how to install Sensu Go on Debian 11. Sensu …

Install MISP on Ubuntu 22.04/Ubuntu 20.04

Install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04

gen_too

In this tutorial, you will learn how to install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04. …

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 ELK Stack 9.x on Ubuntu 24.04

Install ELK Stack 9.x on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install ELK stack 9.x on Ubuntu 24.04. …

filebeat

Install Filebeat on Fedora 30/Fedora 29/CentOS 7

Jay Decrame

In this guide, we are going to learn how to install Filebeat on Fedora 30/Fedora …

How to Monitor Remote Linux Hosts and Services with Icinga 2 on Ubuntu 18.04

koromicha

In this very tutorial, you are going learn how to monitor hosts and services with …

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

Install and Configure Logstash 7 on Ubuntu 18/Debian 9.8

This guide will focus on how to install and configure Logstash 7 on Ubuntu 18.04/Debian 9.8 as a continuation of …

Monitor Squid Access Logs with Graylog Server

Welcome to our tutorial on how to monitor squid access logs with Graylog server. Graylog is a leading open-source log management …
Wazuh siem dashaboard

Install Wazuh SIEM Server on Ubuntu 24.04

In this tutorial, you will learn how to install Wazuh SIEM server on Ubuntu 24.04. The Wazuh platform offers XDR …

NETWORKING

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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 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 …
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

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 …
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 …
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, …
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 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 …
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, …

STORAGE

More

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Create RAID Level 10 (RAID 1+0) on Ubuntu 20.04

How to Install MinIO Object Storage Server on RHEL 9

Shrink KVM Virtual Machine LVM Partitioned Disk

Install ownCloud Server on CentOS 8

Configure and Use Ceph Block Device on Linux Clients

Install and Configure BackupPC as a Backup Server on Ubuntu 18.04

How to Deploy Ceph Storage Cluster on Debian 12

VIRTUALIZATION

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deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

Deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

koromicha

In this tutorial, you will learn how to deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu …

virtualbox ubuntu 20.04

Install Latest VirtualBox on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to install latest VirtualBox on Ubuntu 20.04. As …

genymotion login

Install Genymotion Android Emulator on Ubuntu 20.04

gen_too

Follow through this guide to learn how to install Genymotion Android emulator on Ubuntu 20.04. …

kali linux 2021.3 desktop

Easily Install Kali Linux 2021.3 on VirtualBox

gen_too

In this tutorial, you will learn how to install Kali Linux 2021.3 on VirtualBox. Kali Linux is …

Install VirtualBox Guest Additions on Debian 10 Buster

koromicha

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

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 …

Install VirtualBox Guest Additions on Ubuntu 18.04

Jay Decrame

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

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 …

Install Rocky Linux 9 on VirtualBox

Install Rocky Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to easily install Rocky Linux 9 on …

Install VirtualBox Guest Additions on CentOS 8

In our previous guide, we learnt how to Install CentOS 8 on VirtualBox. However, it doesn’t display in full-screen view …
Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

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

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian. VirtualBox 7.0.0 was officially …
Install KVM on Debian 12

Install KVM on Debian 12

In this tutorial, you will learn how to install KVM on Debian 12. KVM, an acronym for Kernel-based Virtual Machine, …

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