Linux Commands, HowTos

Check directory usage with du Command in Linux

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Bett Frankline
HowTos

Tips for Crafting a Winning Loan Application for Startups

HowTos, Package Installation

How to Install Yarn on Debian 10 Buster

HowTos, VirtualBox, Virtualization

Install VirtualBox Guest Additions on Ubuntu 18.04

Security, HowTos, Password Managers, Password Policies

Install Passbolt on Debian 12

Containers

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Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on Ubuntu 18.04. Kolla provides Docker …
monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Can Nagios monitor docker container? Yes, in this tutorial, you will learn how to monitor Docker containers using Nagios. Monitoring …
Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

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

In this blog post, we will describe Kubernetes Architecture: a high-level overview of Kubernetes cluster components. Organizations are continually adopting …
kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

kubernetes secrets

How to Use Secrets in Kubernetes Applications

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Install and Run MariaDB as a Docker Container

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

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

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

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

role-based access control in kubernetes

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

deploy multinode OpenShift cluster using UPI

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

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

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

backup and restore kubernetes etcd cluster

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

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Security

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Install GVM 21.04 on Debian 11/Debian 10

Install and Setup Pritunl VPN Server on Debian

How to Protect SSH Server Authentication with Fail2ban Ubuntu 18.04

Most Popular

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Install and Setup PowerDNS Admin on Ubuntu 22.04
HowTos, DNS, PowerDNS

Install and Setup PowerDNS Admin on Ubuntu 22.04

Setup BIND DNS Server
HowTos, DNS, PowerDNS

Easily Install and Setup PowerDNS on Debian 11/Debian 10

Install and Setup PowerDNS on Ubuntu
DNS, HowTos, PowerDNS

Easily Install and Setup PowerDNS on Ubuntu 20.04

Install and Setup iRedMail Mail Server on Ubuntu 22.04/20.04
HowTos, , Sendmail, Ubuntu 18.04

Install and Setup iRedMail Mail Server on Ubuntu 22.04/20.04

HowTos, Monitoring, Prometheus

Install and Setup Prometheus on Ubuntu 20.04

Top Ways To Raise Cybersecurity Awareness In Your Business

Install Greenbone Vulnerability Management (GVM) on Debian 12

Connect to Cisco VPN Using PCF file on Ubuntu

Configure Site-to-Site IPSec VPN on pfSense and Libreswan

Exploring the World of Residential Proxy Networks

Install GVM 21.4 on Ubuntu 20.04

Install Malcolm Network Traffic Analysis Tool on Ubuntu 22.04

Install sysPass Password Manager on Ubuntu 18.04

Install SpiderFoot on Ubuntu 20.04

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

Why Should You Be Using Ubuntu? 6 Advantages

How to Enable Secure Shell (SSH) server on OPNsense

MONITORING

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Install and Configure Telegraf on FreeBSD 12

koromicha

Welcome to our guide on how to install and configure Telegraf on FreeBSD 12. If …

Install Nagios Core on FreeBSD 13

Install Nagios Core on FreeBSD 13

koromicha

In this guide, we are going to learn how to install Nagios Core on FreeBSD …

install zabbix agent

Compile and Install Zabbix Agent on FreeBSD 12

koromicha

Welcome to our guide on how to compile and install Zabbix Agent on FreeBSD 12. …

Install LibreNMS on Linux

Add Hosts to LibreNMS Server for Monitoring

koromicha

In this tutorial, you will learn how to add hosts to LibreNMS server for monitoring. …

Install Wazuh Manager with ELK on Debian

Install and Setup Wazuh Server in CentOS 8/Fedora 32

kaptotonindet

In this tutorial, you will learn how to install and setup Wazuh server in CentOS …

Install OSSEC HIDS Agent

Install OSSEC Agent on CentOS 8

koromicha

This guide presents a step-by-step tutorial on how to install OSSEC Agent on CentOS 8. …

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

Install and Configure Logstash 7 on Ubuntu 18/Debian 9.8

koromicha

This guide will focus on how to install and configure Logstash 7 on Ubuntu 18.04/Debian …

Configure Filebeat 8 to Write Logs to Specific Index

Configure Filebeat 8 to Write Logs to Specific Index

Kifarunix

This guide will take you through how to configure Filebeat 8 to write logs to …

Install Graylog 3.0 on CentOS 7

koromicha

Hello there. Today we are going to learn how to install Graylog 3.0 on CentOS …

Enable HTTPS Connection Between Elasticsearch Nodes

Enable HTTPS Connection Between Elasticsearch Nodes

gen_too

In this tutorial, you will learn how to enable HTTPS connection between Elasticsearch nodes. One …

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 …
Install Osquery on Linux

Install Osquery on Rocky Linux 8

In this guide, we are going to learn how to install osquery on Rocky Linux 8. Osquery is an opensource tool that …
Install OSSEC HIDS Agent

Install OSSEC HIDS Agent on Ubuntu 20.04

This tutorial will guide you on how to install OSSEC HIDS agent on Ubuntu 20.04 system from the source tarball. …

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 …
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, …
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 …
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 …
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 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 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 …
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 …
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 …

STORAGE

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Easy way to Setup NFS Server on Ubuntu 20.04

How to Reduce or Shrink Physical Volume in Linux

How to Install MinIO on Ubuntu 24.04: A Step-by-Step Guide

How to Deploy Ceph Storage Cluster on Rocky Linux

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

Install ownCloud Desktop Client on Debian 10

Create LVM Logical Volumes in Linux

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

VIRTUALIZATION

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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 …

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 …

Install VirtualBox Guest Additions on AlmaLinux

Install VirtualBox Guest Additions on AlmaLinux

Kifarunix

Follow through this tutorial to learn how to install VirtualBox guest additions on AlmaLinux. We …

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 …

Resize Root Partition of VirtualBox VM Snapshot

koromicha

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

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 …

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

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

Kifarunix

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on …

Install VirtualBox 6.1 on Ubuntu 18.04 Desktop

koromicha

VirtualBox 6.1.0 which is a major update of VirtualBox was released December 10 2019 with quite …

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Kifarunix

How can you install Resource usage extension on Docker desktop? In this guide, you will …

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 …

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 …
Install Ubuntu 21.04 Desktop on VirtualBox

Install Ubuntu 21.04 Desktop on VirtualBox

In this tutorial, you learn how to install Ubuntu 21.04 Desktop on VirtualBox. The latest stable release of Ubuntu, Ubuntu …
Install Fedora CoreOS on KVM Using an ISO File

Install Fedora CoreOS on KVM Using an ISO File: A Step-by-Step Guide

In this tutorial, you will learn how to install Fedora CoreOS on KVM using an ISO file. Fedora CoreOS is a minimal, …

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