Security, HowTos

How to Protect From Identity Theft Online: A Detailed Guide for 2022

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koromicha
HowTos, DNS, LPIC-2, LPIC-2 Exam 202-405 Topics and Objectives

Configure Local DNS Server using Dnsmasq on Ubuntu 20.04

HowTos, Automation, Java

Install Gradle on Debian 10/9

Security, HowTos, Password Managers

Install Passbolt Password Manager on Rocky Linux 8

HowTos, Security, SSL/TLS

What Is an SSL Certificate and How Can It Benefit Your Business?

Containers

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Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

In this tutorial, you will learn how to gracefully remove worker node from Kubernetes cluster. If you are managing a …
Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

How can I monitor Docker swarm service metrics? In this tutorial, you will learn how to monitor Docker swarm service …
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 …
Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Kubernetes Ingress Explained

Kubernetes Ingress Explained: How to Manage External Access to Your Services

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

Enable User Workload Monitoring in OpenShift 4.20

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

Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

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

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

Understanding Deployments in Kubernetes: A Comprehensive Guide

Understanding Deployments in Kubernetes: A Comprehensive Guide

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Scale OpenShift Data Foundation Storage on Bare Metal

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

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

Security

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Install Pritunl VPN client on Debian/Ubuntu

Setup OpenVPN Server on CentOS 8

Install and Setup Squid Proxy on Debian 11/10

Most Popular

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install backuppc in
Storage, BackupPC, HowTos

How to Install BackupPC on Debian 12

HowTos, Grafana, Monitoring, TIG stack

Install and Setup TIG Stack on Ubuntu 20.04

install processwire cms ubuntu
HowTos, CMS

Install ProcessWire on Ubuntu 22.04

HowTos, Remote Desktop

Install and Setup NoMachine on CentOS 8

deploy WordPress using Docker compose
Containers, Docker, HowTos, Security, SSL/TLS, WordPress

Deploy WordPress using Docker Compose

Install VirtualBox 7 on Debian 12 Desktop
Virtualization, HowTos, VirtualBox

Install VirtualBox 7 on Debian 12

Install pfSense Firewall on KVM

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

Install and Setup OSSEC agent on Ubuntu 18.04/CentOS 7

Install and Setup Passbolt Password Manager on Ubuntu 20.04

Creating Custom Nessus Scan Policy Templates

Install OpenVAS 10 (GVM) on Debian 10 Buster

6 Little-Known Things You Can Do With a VPN

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

Install Arkime Full Packet Capture tool on Ubuntu

Qualities To Look For When Choosing The Right VPN Service

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

Enroll Windows Systems into Osquery Fleet Manager

MONITORING

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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 and Setup AWStats Log Analyzer on CentOS 8

gen_too

Welcome to our tutorial on how to install and setup AWStats Log Analyzer on CentOS …

install icinga2/icingaweb2

How to Install Icinga 2 and Icinga Web 2 on Ubuntu 18.04 LTS

koromicha

In this tutorial, we are going to learn how to install Icinga 2 and Icinga …

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 OSSEC HIDS Agent

Install OSSEC HIDS Agent on Ubuntu 20.04

koromicha

This tutorial will guide you on how to install OSSEC HIDS agent on Ubuntu 20.04 …

How to Copy Kibana Dashboard to Another Kibana Space

How to Copy Kibana Dashboard to Another Kibana Space

koromicha

Is it possible to copy Kibana dashboard to another Kibana Space? Yes, definitely. In this …

Setup Multi-node Elasticsearch Cluster

Setup Multi-node Elasticsearch Cluster

koromicha

In this guide, we are going to learn how to setup multi-node Elasticsearch cluster. This …

fleet

Install and Setup Kolide Fleet on Ubuntu 18.04

koromicha

In this guide, we are going to learn how to install and Setup Kolide Fleet …

How to Install Osquery on Ubuntu 18.04

koromicha

In this guide, we are going to learn how to install osquery on Ubuntu 18.04. …

Metricbeat System Host overview ECS Elastic

Monitor Linux System Metrics with ELK Stack

gen_too

In this tutorial, you will learn how to monitor Linux system metrics with ELK Stack. …

kibana

Install ELK Stack on Debian 11

Welcome to our guide on how to install ELK Stack on Debian 11. ELK, currently known as Elastic Stack, is the …
install zabbix agent

Compile and Install Zabbix Agent on FreeBSD 12

Welcome to our guide on how to compile and install Zabbix Agent on FreeBSD 12. We have covered the installation …
install icinga2/icingaweb2

How to Install Icinga 2 and Icinga Web 2 on Ubuntu 18.04 LTS

In this tutorial, we are going to learn how to install Icinga 2 and Icinga Web 2 on Ubuntu 18.04 …

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 …
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 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 …
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 …
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 …
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 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 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 …
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, …
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, …
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 …

STORAGE

More

How to Reduce or Shrink Physical Volume in Linux

Setup Software RAID on Rocky Linux 8

Part 1: Integrate OpenStack with Ceph Storage Cluster

Install and Setup Ceph Storage Cluster on Ubuntu 20.04

Install ownCloud Server on Debian 10 Buster

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

Install ownCloud Desktop Client on Ubuntu 20.04

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

VIRTUALIZATION

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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 Debian 10 Buster on VirtualBox

koromicha

In this guide, we are going to learn how to install Debian 10 Buster on …

How to Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04

koromicha

In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox …

How to Rename KVM Virtual Machine with virsh command

How to Rename KVM Virtual Machine with virsh command

koromicha

Is it possible to rename KVM virtual machine? Yes, follow through this guide to learn …

Install Ubuntu 24.04 on VirtualBox

Install Ubuntu 24.04 on VirtualBox

Kifarunix

This guide will take you through how to install Ubuntu 24.04 on VirtualBox. Ubuntu 24.04, …

kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

Kifarunix

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with …

Install KVM on Oracle Linux

Install KVM on Oracle Linux

koromicha

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an …

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 …

Resize Root Partition of VirtualBox VM Snapshot

koromicha

You are running a virtual machine on a VirtualBox with multiple snapshots and you want …

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 …

Install VirtualBox Guest Additions on Debian 10 Buster

So if you have installed Debian 10 Buster on VirtualBox, you might have realized that it is not in full-screen …

Upgrade Ubuntu 18.04 to Ubuntu 20.04

Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being likely to be released on …
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 …

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