HowTos, Security

Common Mistakes When Using A White Paper Example

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koromicha
Containers, Automate System Tasks, Automation, Automation, HowTos, Kubernetes

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

HowTos, PHP

Install PHP 8.0/8.1/8.2/8.x on Debian 11

Linux Commands, HowTos

Viewing System Processes using ps and top commands

HowTos

Install Python on Rocky Linux 8

Containers

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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 …
Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Pod Management: Static Pods vs Mirror Pods vs DaemonSets

This tutorial serves as a guide to demystify different type of Kubernetes pods, in essence, Static Pods vs Mirror Pods …
What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes? Kubernetes, aka K8s, is the current de facto container orchestration platform providing a …
Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

install docker ce

Install and Use Docker CE on CentOS 8

Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

Scale OpenShift Data Foundation Storage on Bare Metal

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

install docker ce

Install Docker CE on Ubuntu 20.04

Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

Deploying CloudBees CI on OpenShift: Architecture, Installation, Security, and Production Best Practices

Deploying CloudBees CI on OpenShift: Architecture, Installation, Security, and Production Best Practices

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

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

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

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

Security

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Install Osquery on Ubuntu 20.04

Monitor Linux Hosts using Nagios check_by_ssh Plugin

How to Install and Configure Nessus Scanner on Ubuntu 18.04/CentOS 7

Most Popular

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kubernetes states: declared vs actual state
Kubernetes, Containers, HowTos

Understanding Kubernetes States: Declared vs Observed states Explained

HowTos, Virtualization, VMware

How to Upload ISO File to VMware ESXi Datastore using vSphere Client

install ntp client on Linux
HowTos, chrony, NTP

Setup NTP Client using Chrony on Rocky/Oracle Linux

HowTos, LAMP Stack

Install LAMP Stack on Debian 9

modsecurity
Security, HowTos, modsecurity

Configure LibModsecurity with Apache on CentOS 8

Install and Setup Chrome Remote Desktop on Ubuntu 20.04
Remote Desktop, HowTos

Install and Setup Chrome Remote Desktop on Ubuntu 20.04

Qualities To Look For When Choosing The Right VPN Service

Monitor Changes to Critical Files on Windows Systems using Wazuh and ELK

Install LibModsecurity with Apache on Fedora 30/29/CentOS 7

Install Kismet on Ubuntu 18.04

Why Docker Hardened Images Are a Game-Changer for Software Supply Chain Security

Install and Setup Suricata on Ubuntu 22.04/Ubuntu 20.04

How to Monitor OpenVPN Connections using openvpn-monitor tool

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

Install Nikto Web Scanner on Rocky Linux 8

The Role of a Strategic Cybersecurity Strategy in Ensuring Business Continuity

Install OSSEC Agent on Debian 10 Buster

How to Configure Apache Tomcat with HTTPS

MONITORING

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Install and Configure Zabbix

Install Zabbix Server on Rocky Linux

koromicha

In this guide, we are going to learn how to install Zabbix server on Rocky …

Install ELK Stack 8.x

Install ELK Stack 8.x on Ubuntu 24.04/Ubuntu 22.04

gen_too

In this tutorial, you will learn how to install ELK stack 8.x on Ubuntu 24.04/Ubuntu …

Install Latest Grafana on CentOS 8

koromicha

In this guide, we are going to learn how to install latest Grafana on CentOS …

Monitor Process Creation Events on Windows Systems using Wazuh and ELK stack

Monitor Process Creation Events on Windows Systems using Wazuh and ELK stack

gen_too

In this tutorial, you will learn how to monitor process creation events on Windows systems …

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

How to Debug Logstash Grok Filters

Jay Decrame

Welcome to our guide on how to debug Logstash Grok filters. Grok filter uses regular …

Install Fleet Osquery Manager on Debian 10

Install Fleet Osquery Manager on Oracle Linux

koromicha

Follow through this tutorial to learn how to install Fleet osquery manager on Oracle Linux. …

kibana

Install ELK Stack on Debian 11

koromicha

Welcome to our guide on how to install ELK Stack on Debian 11. ELK, currently known …

Install Sampler Shell Command Visualization tool on Linux

koromicha

In this guide, you are going to learn how to install sampler shell command visualization …

Install and Configure Zabbix

Install Zabbix Server on Ubuntu 22.04

koromicha

In this guide, we are going to learn how to install Zabbix server on Ubuntu …

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 …
install and configure snmp on Linux

How to Configure SNMP Version 2c on Debian 9

Welcome to our tutorial on how to configure SNMP version 2c on Debian 9. If you are looking at monitoring …
Install Grafana on Ubuntu

Install Grafana on Ubuntu 22.04/20.04/18.04

In this guide, we are going to learn how to install Grafana on Ubuntu 22.04/20.04/18.04 servers. Grafana is the open source …

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 …
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 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, …
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 …
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 …
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, …
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 …

STORAGE

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How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Install and Configure BackupPC on Rocky Linux 8

Easily Install and Configure Samba File Server on Ubuntu 20.04

Backup Windows System via SMB Using BackupPC

Install ownCloud Server on Debian 12

Part 2: How to Backup Applications and Persistent Volumes in OpenShift with OADP

Install ownCloud Desktop Client on Ubuntu 20.04

Part 3: Integrate OpenStack with Ceph Storage Cluster

VIRTUALIZATION

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

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

koromicha

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on …

Install VirtualBox Guest Additions on Linux Mint 21

Install VirtualBox Guest Additions on Linux Mint 21

Kifarunix

Follow through this tutorial to learn how you can easily install VirtualBox guest additions 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 …

Install Linux Mint 21 on VirtualBox

Easy way to Install Linux Mint 21 on VirtualBox

Kifarunix

How to install Linux Mint Cinnamon virtual machine? Follow through this tutorial to learn an …

kali linux 2021.3 desktop

Upgrade Kali Linux 2021.3 to 2021.4

koromicha

Learn how to upgrade Kali Linux 2021.3 to 2021.4. Kali Linux 2021.4 has just been …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2021.3

gen_too

In this tutorial, you will learn how to install VirtualBox guest additions on Kali Linux …

clone kvm virtual machines

How to Clone KVM Virtual Machines

koromicha

What is the quick and easy way to clone KVM virtual machines? In this guide, …

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 …

How to Configure OpenStack Networks for Internet Access

How to Configure OpenStack Networks for Internet Access

Kifarunix

How would you configure OpenStack networks for Internet access? Internet access is crucial for various …

kali linux 2021.3 desktop

Install Kali Linux 2020.3 on VirtualBox

koromicha

In this tutorial, you will learn how to install Kali Linux 2020.3 on VirtualBox. Kali …

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

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

In this tutorial, we will walk you through the steps of creating KVM virtual machines with Kickstart. If you are …

Install Debian 10 Buster on VirtualBox

In this guide, we are going to learn how to install Debian 10 Buster on VirtualBox. Debian 10 Buster has …
Install Solaris 11.4 on VirtualBox

Easily Install Solaris 11.4 on VirtualBox

In this tutorial, you will learn on how to easily install Solaris 11.4 on VirtualBox. Oracle Solaris is the trusted …

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