HowTos, Grafana, Monitoring, Prometheus

Monitor OpenVPN Connections with Prometheus and Grafana

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koromicha
HowTos

Install Latest Google Chrome Browser on Debian 10

HowTos, , Request Tracker (RT), Ticketing Systems

Configure Request Tracker (RT) to send Mails using MSMTP via Office 365 Relay

Virtualization, HowTos, VirtualBox

Install Debian 12 on VirtualBox

HowTos, BackupPC, Storage

How to Install Duplicati Backup Client on Ubuntu 22.04

Containers

More
StatefulSets in Kubernetes: Everything You Need to Know

StatefulSets in Kubernetes: Everything You Need to Know

In this blog post, you will learn about statefulsets in Kubernetes and everything you need to know: the definition and …
Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Introduction In today’s rapidly evolving technological landscape, serverless computing has emerged as a game-changer, redefining the way developers build and …
nagios docker

Deploy Nagios as a Docker Container

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

backup and restore kubernetes etcd cluster

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

Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

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

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

StatefulSets in Kubernetes: Everything You Need to Know

StatefulSets in Kubernetes: Everything You Need to Know

Enable User Workload Monitoring in OpenShift 4.20

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

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Install Fedora CoreOS on KVM Using an ISO File

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

deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

Install and Use Docker on Debian 10 Buster

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

Security

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Enforce Password Complexity Policy On Ubuntu 18.04

Install ModSecurity with Apache on Ubuntu 22.04

Install and Configure AIDE on Ubuntu 18.04

Most Popular

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Storage, Ubuntu 18.04

Install and Configure BackupPC as a Backup Server on Ubuntu 18.04

Install and Configure Snort 3 on Ubuntu 22.04
HowTos, Security

Install and Configure Snort 3 on Ubuntu 22.04

How To Use Data Recovery Software?
HowTos

How To Use Data Recovery Software?

Install VirtualBox on Ubuntu 21.04
Virtualization, HowTos, VirtualBox

Install VirtualBox on Ubuntu 21.04

Install and Setup AlienVault HIDS Agent on a Windows Host
Security, AlienVault, SIEM

How to Install and Setup AlienVault HIDS Agent on a Windows Host

Install MariaDB 11.x on Linux
HowTos, Database, MariaDB

Install MariaDB 10.6 on Debian 11

How to Encrypt Files and Folders with eCryptFS on Ubuntu 18.04

How to Install and Use VeraCrypt to Encrypt Drives on Ubuntu

Send Alert When ClamAV Finds Infected Files on Linux Systems

Configure IPSEC VPN using StrongSwan on Ubuntu 18.04

Connect to Cisco VPN Using PCF file on Ubuntu

Install and setup GVM 20.08 on Debian 10

Install Metasploit Framework on Fedora 29

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

Encrypt Emails using Enigmail on Thunderbird

Setup Multinode Elasticsearch 8.x Cluster

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

Install Pritunl VPN client on Debian/Ubuntu

MONITORING

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

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

koromicha

This guide will focus on how to install Logstash 7 on Fedora 30/Fedora 29/CentOS 7 …

Install Icinga Web 2 on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Icinga Web 2 on …

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

gen_too

How to run ELK stack on Docker? In this tutorial, we are going to learn …

Process and Visualize ModSecurity Logs on ELK Stack

Visualize ClamAV Scan Logs on ELK Stack Kibana

gen_too

In this tutorial, you will learn how to visualize ClamAV scan logs on ELK stack …

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 Osquery on Linux

Install Osquery on Debian 10 Buster

koromicha

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

Install OSSEC HIDS Agent

How to Install OSSEC Agent on Mac OS

koromicha

In this guide, we are going to learn how to install OSSEC agent on Mac …

How to Monitor OpenVPN Connections using openvpn-monitor tool

gen_too

In this tutorial, we are going to learn how to monitor OpenVPN connections using openvpn-monitor …

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Kifarunix

Can Nagios monitor docker container? Yes, in this tutorial, you will learn how to monitor …

Install Arkime (Moloch) Full Packet Capture tool on Ubuntu

Install Arkime Full Packet Capture tool on Ubuntu

gen_too

Welcome to our tutorial on how to install Arkime (Moloch) Full Packet Capture tool on …

How to Measure CPU Usage in Linux

How to Measure CPU Usage in Linux

This simple guide will take you through how to Measure CPU Usage in Linux. CPU is critical to every other …
Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 on Docker Containers

How to run single node ELK stack 8 on Docker? In this tutorial, you will learn how to deploy ELK …
Deploy Nagios NRPE Agents using Ansible

Deploy Nagios NRPE Agents using Ansible

In this tutorial, you will learn how to deploy Nagios NRPE Agents using Ansible. Ansible is an open-source automation tool …

NETWORKING

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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 …
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 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 …
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, …
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 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 …
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 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

More

Shrink KVM Virtual Machine LVM Partitioned Disk

Install ownCloud Desktop Client on CentOS 8

Configure and Use Ceph Block Device on Linux Clients

Install and Setup BackupPC Server on Ubuntu 20.04

How to Install and Configure iSCSI Storage Server on Ubuntu 18.04

How to Upgrade ownCloud 9 to ownCloud 10 on Ubuntu 16.04

Extend OpenShift CoreOS /sysroot Root Filesystem

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

VIRTUALIZATION

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How to Create And Delete OpenStack Project

How to Create And Delete OpenStack Project

koromicha

In this blog post, we’ll provide a step by step tutorial on how to create …

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 VirtualBox on Ubuntu 21.04

Install VirtualBox on Ubuntu 21.04

koromicha

Ubuntu 21.04 code named, Hirsute Hippo is available for testing as of this writing with …

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 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, …

Easily Access Shared Folder on Linux VirtualBox VM

Easily Access Shared Folder on Linux VirtualBox VM

koromicha

In this tutorial, you will learn how to setup and easily access shared folder on …

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 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 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 …

Install Ubuntu 20.04 on VirtualBox

koromicha

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

wubuntu

Install Wubuntu Linux on VirtualBox

Follow through this guide to learn how to install Wubuntu Linux on VirtualBox. According to wubuntu.org; Wubuntu – Linux with …

Install VirtualBox on Debian 11 Desktop

In this tutorial, you will learn how to install VirtualBox on Debian 11 desktop version. VirtualBox is a general-purpose full …

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 …

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