Security, HowTos, Proxy

Install and Setup Squid Proxy on Ubuntu 20.04

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koromicha
HowTos

Install Google Chrome on Rocky Linux 8

HowTos, Guacamole, Remote Desktop

Install Guacamole as Docker Container on Rocky Linux

HowTos, Java, tomcat, Web Servers

Install Apache Tomcat 9 on Ubuntu 20.04

Monitoring, AlienVault

Fix AlienVault HIDS Events Displaying 0.0.0.0 as IP Address

Containers

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

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

In this blog post, you’ll learn how to patch sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX to secure your …
openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

The guide originally included modifications to the Kolla Ansible playbooks to enable deployment of OpenStack on Ubuntu 24.04 LTS. However, …
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 …
how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Install Minikube on Debian 12

Step-by-Step Tutorial: Install Minikube on Debian 12

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

Introduction to Kubernetes: What is it and why do you need it?

Introduction to Kubernetes: What is it and why do you need it?

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Pod Management: Static Pods vs Mirror Pods vs DaemonSets

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

kubernetes secrets

How to Use Secrets in Kubernetes Applications

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Security

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Install LibModsecurity with Apache on Ubuntu 20.04

Cyber Security: 6 Reasons Why It Is Crucial for Your Business

Configure strongSwan VPN Client on Ubuntu 18.04/CentOS 8

Most Popular

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Nessus, Security, Vulnerability Scanners

Creating Custom Nessus Scan Policy Templates

Run only Specific Commands with sudo in Linux
HowTos, Directory Server, OpenLDAP

How to Configure SUDO via OpenLDAP Server

wine
HowTos

Install Wine 4 on CentOS 8

5 Tips to Write an Excellent Essay
HowTos

5 Tips to Write an Excellent Essay

install apache guacamole
HowTos, Guacamole, Remote Desktop

Configure TOTP Two-Factor Authentication on Apache Guacamole

6 Cyber Security Tips Everyone Who Runs A Company Should Know
HowTos, Security

6 Cyber Security Tips Everyone Who Runs A Company Should Know

How to Fix QRadar CE failing Gluster 3.8 repos on CentOS-7.3

How to Reset Ceph Dashboard Admin Password

Install Zeek on Ubuntu 20.04

Install and Setup Suricata on CentOS 8

Install and Setup DVWA on CentOS 8

Configure APT Proxy on Debian 10 Buster

How to Recover Deleted Data on a Linux System

Integrate Suricata with Wazuh for Log Processing

Get the Most Out of Your Penetration Testing Services: Tips and Tricks

Install Wireshark on Ubuntu 22.04

Configure OpenVPN Clients to use specific DNS Server

How to Install OSSEC Agent on Solaris 11.4

MONITORING

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Delete Specific Records from Elasticsearch Index

Delete Specific Records from Elasticsearch Index

koromicha

This is a simple tutorial on how to search and delete specific records from Elasticsearch …

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 …

nagios rocky

Install Nagios Server on Rocky Linux 8

gen_too

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

Integrate Prometheus with Grafana for Monitoring

koromicha

This guide will take you through how to integrate Prometheus with Grafana for Monitoring. As …

Install Grafana on Ubuntu

Install Grafana Data Visualization Tool on Ubuntu 18.04

koromicha

In this guide, we are going to learn how to install Grafana Data Visualization Tool …

nxlog-ce

Install and Configure NXLog CE on Ubuntu 20.04

koromicha

In this guide, we are going to learn how to install and configure NXLog CE …

filebeat

Install Filebeat 8 on Debian 12

Kifarunix

How can I install Filebeat 8 on Debian 12? Well, the installation of Filebeat 8 …

Wazuh siem dashaboard

Install Wazuh SIEM Server on Ubuntu 24.04

Kifarunix

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

Install Grafana on Debian 12

How to Install Grafana on Debian 12

Kifarunix

In this guide, we will provide step-by-step instructions on how to install Grafana on Debian …

filebeat

How to run Multiple Filebeat Instances in Linux

gen_too

In this tutorial, you will learn how to run multiple filebeat instances in Linux system. …

Install Osquery on Linux

Monitor Windows Systems using Elastic Osquery Manager

In this tutorial, you will learn how to monitor Windows systems using Elastic Osquery manager. The recent versions of Elastic …
Full Automation of Nagios Monitoring Setup with Ansible

Full Automation of Nagios Monitoring Setup with Ansible

In this guide, we’ll walk you through the full automation of Nagios monitoring setup using Ansible, from installing Nagios on …
Install and Configure Zabbix

Install Zabbix Server on Debian 10 Buster

In this guide, we are going to learn how to install Zabbix server on Debian 10 Buster. Zabbix is an …

NETWORKING

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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 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 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 …
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 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 …
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 …
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 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, …
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, …
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 …

STORAGE

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Install ownCloud Desktop Client on Ubuntu 20.04

Setup Software RAID on Debian 10

Install and setup GlusterFS on Ubuntu 22.04/Ubuntu 20.04

Install and Configure NFS Server on Rocky Linux 8

Install ownCloud Server on Debian 10 Buster

Configure ownCloud OpenLDAP Authentication

Part 2: Integrate OpenStack with Ceph Storage Cluster

Extend Existing LUKS-Encrypted LVM by Adding Physical Volume

VIRTUALIZATION

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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 VirtualBox Guest Additions on Oracle Linux 9

Install VirtualBox Guest Additions on Oracle Linux 9

koromicha

Follow through this tutorial to learn how to install VirtualBox guest additions on Oracle Linux …

Install Rocky Linux 8 on VirtualBox

Install Rocky Linux 8 on VirtualBox

koromicha

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

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 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 …

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 Ubuntu 20.04 on VirtualBox

koromicha

Follow through this guide to learn how to install Ubuntu 20.04 on VirtualBox. Well, Ubuntu …

Install VirtualBox Guest Additions on CentOS 8

koromicha

In our previous guide, we learnt how to Install CentOS 8 on VirtualBox. However, it …

Install VirtualBox Guest Additions on Ubuntu 24.04

Install VirtualBox Guest Additions on Ubuntu 24.04

Kifarunix

In this guide, you will learn how to install VirtualBox guest additions on Ubuntu 24.04. …

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 …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2021.3

In this tutorial, you will learn how to install VirtualBox guest additions on Kali Linux 2021.3. Guest additions offers many …

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 …
Install VirtualBox Guest Additions on Linux Mint 21

Install VirtualBox Guest Additions on Linux Mint 21

Follow through this tutorial to learn how you can easily install VirtualBox guest additions on Linux Mint 21. VirtualBox guest …

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