HowTos, Java, tomcat, Web Servers

Install Apache Tomcat 9 on Ubuntu 20.04

BY
koromicha
Storage, HowTos

Mount Remote Filesystem Over SSH using SSHFS

HowTos

Install Wine 6 on Debian 10

HowTos

7 Key Benefits of Salesforce for Your Sales and Revenue Operation Teams

Security, HowTos, Monitoring

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

Containers

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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, …
provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

In this tutorial, you will learn how to provision block storage for Kubernetes on Rook ceph cluster. Rook is an …
Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

In this tutorial, you will learn how to deploy ELK stack 8 Cluster on Docker using Ansible, an an open-source …
Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

How to Install Docker on Ubuntu 24.04

How to Install Docker on Ubuntu 24.04

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

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

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

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

install docker ce

Install Docker on Rocky Linux 8|9

Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

Configure OpenShift 4 Image Registry Persistent Storage with ODF

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

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

StatefulSets in Kubernetes: Everything You Need to Know

StatefulSets in Kubernetes: Everything You Need to Know

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

Part 3: How to Restore and Validate Application Backups in OpenShift with OADP

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

Security

More

List  of top 10 Tips to Protect your Privacy Online

Windows Server Security Essentials from Experienced System Administrators

Enroll Windows Systems into Osquery Fleet Manager

Most Popular

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install wireshark on Linux
HowTos, Security

Install Wireshark on Rocky Linux

CentOS to RHEL Migration
HowTos, RHEL

Effortless CentOS to RHEL Migration with the Convert2RHEL Tool

install anydesk on Ubuntu
HowTos, Remote Desktop

Install AnyDesk on Ubuntu 24.04/22.04/20.04

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide
Containers, HowTos, Kubernetes

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

How to Monitor Disk Input/Output on Linux
Monitoring, Capacity planning, LPIC-2, LPIC-2 Exam 201-405 Topics and Objectives

How to Monitor Disk Input/Output on Linux

Install and Setup LEMP Stack on
HowTos, LEMP Stack

Install LEMP Stack with MySQL 8 on Fedora 30/Fedora 29

How to Automate eCryptfs Mounting Procedure

Import Assets to AlienVault USM/OSSIM using a CSV file

How to Install and Use VeraCrypt to Encrypt Drives on Ubuntu

Install Bitwarden Password Manager on Ubuntu 22.04

Install ModSecurity 3 with Nginx on Debian 12

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

How to Setup a Local CA Server on Ubuntu

Quick Guide: Configure Apache Kafka SSL/TLS Encryption for Enhanced Security

How to Install and Use WPScan WordPress Vulnerability Scanner Ubuntu 18.04

Intercept Malicious File Upload with ModSecurity and ClamAV

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

MONITORING

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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 …

Install and Setup Nagios

How to Install Nagios Server on Ubuntu 24.04

Kifarunix

In this guide, we will provide a step-by-step tutorial on how to install Nagios Server …

install and configure snmp on Linux

Install and Configure SNMP on Rocky Linux 8/9

koromicha

Follow through this tutorial to learn how to install and configure SNMP on Rocky Linux …

Setup Kibana Elasticsearch and Fluentd on CentOS 8

koromicha

Hello there. In this tutorial, you will learn how to setup Kibana Elasticsearch and Fluentd …

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 …

Install Fleet Osquery Manager on Debian 10

Install Fleet Osquery Manager on Rocky Linux

koromicha

In this tutorial, you will learn how to install Fleet osquery manager on Rocky Linux. …

Install Fleet Osquery Manager on Debian 10

Install Fleet Osquery Manager on Debian 10

koromicha

In this tutorial, you will learn how to install Fleet osquery manager on Debian 10. …

nagios nrpe

Install Nagios NRPE Agents on Debian 11/Debian 10

gen_too

This guide describes how to easily install Nagios NRPE agents on Debian 11/Debian 10. If …

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 …

Configure Grafana Email Alerting

Configure Grafana Email Alerting

gen_too

In this tutorial, you will learn how to configure Grafana Email alerting. Grafana alerting allows …

Install ELK Stack 9.x on Ubuntu 24.04

Install ELK Stack 9.x on Ubuntu 24.04

In this tutorial, you will learn how to install ELK stack 9.x on Ubuntu 24.04. Elastic/ELK stack 9.x has been …
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 Elastic Stack 7 on Ubuntu

Install Elastic Stack 7 on Ubuntu 18.04/Debian 9.8

This tutorial will guide on how to install Elastic Stack 7 on Ubuntu 18.04/Debian 9.8. We will be discussing the …

NETWORKING

More
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, …
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 …
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 …
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 …
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 …
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 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 …

STORAGE

More

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Reset Ceph Dashboard Admin Password

Install and Configure BackupPC on Debian 10

Easily Install and Configure Samba File Server on Ubuntu 20.04

Extend Existing LUKS-Encrypted LVM by Adding Physical Volume

How to Encrypt Data at Rest on Ceph Cluster OSD

Install and Setup Ceph Storage Cluster on Ubuntu 20.04

How to Install and Configure iSCSI Storage Server on Ubuntu 18.04

VIRTUALIZATION

More

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 …

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 …

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Kifarunix

In this tutorial, we will walk you through the steps of creating KVM virtual machines …

Install Ubuntu 21.04 Desktop on VirtualBox

Install Ubuntu 21.04 Desktop on VirtualBox

koromicha

In this tutorial, you learn how to install Ubuntu 21.04 Desktop on VirtualBox. The latest …

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 Ubuntu 21.04

Install VirtualBox Guest Additions on Ubuntu 21.04

koromicha

If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in …

Install VirtualBox Guest Additions on Ubuntu 20.04

koromicha

If you have installed Ubuntu 20.04 on VirtualBox, you realize that it is not in …

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 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

Kifarunix

In this post, you will learn how to install VirtualBox 7 on Ubuntu 24.04. Installing …

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 …

Install Kali Linux 2022.2 on VirtualBox

Install Kali Linux 2022.2 on VirtualBox

In this tutorial, you will learn how to install Kali Linux 2022.2 on VirtualBox. Kali Linux is an Advanced Penetration Testing Debian-based …
how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

How can you install Docker desktop on Linux? In this tutorial, you will learn how to install Docker desktop on …

Install VirtualBox Guest Additions on Ubuntu 20.04

If you have installed Ubuntu 20.04 on VirtualBox, you realize that it is not in fullscreen. In this guide, you …

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