HowTos, Ubuntu 18.04

How to Install Zoom Video Communications Client on Ubuntu 18.04 LTS

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koromicha
HowTos, Desktop Environment, Remote Desktop, VNC

Connect to VNC Server via SSH Tunnel

Security, Metasploit, Vulnerability Scanners

Installing Metasploit on Ubuntu 18.04 LTS

HowTos, OS, Ubuntu 20.04

What OS you should choose for dedicated server?

HowTos, LAMP Stack

How to Install LAMP Stack (Apache,MariaDB, PHP 7.2) on Ubuntu 18.04 LTS

Containers

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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 …
check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

How to check Docker CPU and memory usage? In this tutorial, you will learn how to check Docker container RAM …
Deploy an OpenShift Cluster Using Agent-Based Installer

How to Deploy an OpenShift Cluster Using Agent-Based Installer (Bootable ISO, KVM & Bare Metal)

In this guide, you will learn how to deploy an OpenShift cluster using Agent-based installer. Last month, I spent three …
install portainer on Linux

Install Portainer on Ubuntu 22.04

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

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

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

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

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

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

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

How to Install Docker Desktop on Kali Linux

How to Install Docker Desktop on Kali Linux

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

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

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

Install and Use Docker on Debian 10 Buster

Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Pod Management: Static Pods vs Mirror Pods vs DaemonSets

backup and restore kubernetes etcd cluster

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

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

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

Deploy Multi-Node OpenStack using Kolla-Ansible

Deploy Multinode OpenStack using Kolla-Ansible

Security

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Eliminate Static Secrets from GitLab CI/CD with OpenBao on OpenShift

How to Install OSSEC Agent on Solaris 11.4

How to Disable Weak SSH Algorithms on RHEL 8/9/10 (SHA-1 HMACs, SHA-1 Kex, CBC, 3DES)

Most Popular

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Install and Use 7zip on Ubuntu
Linux Commands, HowTos

Install and Use 7zip on Ubuntu 18.04/Ubuntu 20.04

HAProxy, HowTos, Load Balancers

Setup HAProxy Load Balancer on Fedora 30/Fedora 29

clamav
Security, HowTos

Install ClamAV on Debian 11

install pycharm ubuntu
HowTos

Quick ways to Install PyCharm IDE on Ubuntu 24.04

mysql8
Database, HowTos, MySQL

Install MySQL 8 on Rocky Linux 8

Cybersecurity In The Home: 3 Steps Households Can Take
HowTos, Security

Cybersecurity In The Home: 3 Steps Households Can Take

Install pfSense Firewall on KVM

Install reNgine on Ubuntu 20.04|Ubuntu 18.04

How to Set Up Your Own Proxy

6 Tools That Can Help Protect Your Sensitive Business Information

Configure LibModsecurity with Nginx on CentOS 8

Step-by-Step Guide to Install and Setup OpenVPN Server on Debian 12

Essential Cybersecurity Measures for Small Businesses

Install and Configure NAXSI Nginx WAF on Ubuntu 18.04 LTS

Scan a Web Application Using Acunetix Scanner

Quick Way to Install Gophish on Debian 12

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

How To Reset Or Recover Root Password On OPNsense

MONITORING

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Install Prometheus on Linux

Configure Prometheus Email Alerting with AlertManager

gen_too

In this tutorial, you will learn how to configure Prometheus Email alerting with AlertManager. AlertManager …

Install LibreNMS on Linux

Install LibreNMS on Debian 11/Debian 10

koromicha

Follow through this tutorial to learn how to install LibreNMS on Debian 11/Debian 10. LibreNMS …

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 …

Install Icinga Web 2 on Debian 10 Buster

koromicha

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

Install LibModsecurity with Apache on Ubuntu 20.04

Install ModSecurity with Apache on Ubuntu 22.04

gen_too

Welcome to our guide on how to install ModSecurity with Apache on Ubuntu 22.04. Modsecurity …

install icinga2/icingaweb2

Install Icinga 2 and Icinga Web 2 on Ubuntu 20.04

koromicha

In this tutorial, we are going to learn how to install Icinga 2 and Icinga …

Configure Kibana Dashboards/Visualizations to use Custom Index

Configure Kibana Dashboards/Visualizations to use Custom Index

Kifarunix

In this guide, we will walk you through easy steps to configure Kibana dashboards/visualizations to …

install and configure snmp on Linux

Install and Configure SNMP on Ubuntu 22.04/Debian 11

koromicha

In this guide, we are going to learn how to install and configure SNMP on …

How to Measure CPU Usage in Linux

How to Measure CPU Usage in Linux

koromicha

This simple guide will take you through how to Measure CPU Usage in Linux. CPU …

Install GoAccess On Fedora 30/Fedora 29

koromicha

Follow through this guide to learn how to install GoAccess on Fedora 30/Fedora 29. GoAccess …

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon

In this guide, we are going to learn how to send Windows logs to Elastic Stack using Winlogbeat and Sysmon. …
How to Enable and Configure Cortex Analyzers

How to Easily Enable and Configure Cortex Analyzers

Follow through this tutorial to learn how to enable and configure Cortex Analyzers. Cortex is an opensource software created by …
Install Wazuh SIEM Server on RHEL 9/RHEL 10

How to Install Wazuh SIEM Server on RHEL 9/RHEL 10

In this tutorial, you will learn how to install Wazuh SIEM server on RHEL 9/RHEL 10. The Wazuh platform offers …

NETWORKING

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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 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 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

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

How to Upgrade ownCloud 9 to ownCloud 10 on Ubuntu 16.04

Configure and Use Ceph Block Device on Linux Clients

Part 3: Integrate OpenStack with Ceph Storage Cluster

Step-by-Step: Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

Install and Configure BackupPC on CentOS 8

How to Deploy Ceph Storage Cluster on Debian 12

Shrink KVM Virtual Machine LVM Partitioned Disk

VIRTUALIZATION

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install portainer on Linux

Install Portainer on Ubuntu 22.04

koromicha

In this tutorial, you will learn how to install Portainer on Ubuntu 22.04. Portainer is a …

Install Kali Linux 2022.2 on VirtualBox

Install Kali Linux 2022.2 on VirtualBox

koromicha

In this tutorial, you will learn how to install Kali Linux 2022.2 on VirtualBox. Kali Linux is …

Install VirtualBox Guest Additions on Rocky Linux 9

Install VirtualBox Guest Additions on Rocky Linux 9

koromicha

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

bullseye 11

Install Debian 11 on VirtualBox

gen_too

Follow through this tutorial to learn how to install Debian 11 on VirtualBox. The Debian …

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 …

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 …

kali linux 2021.3 desktop

Easily Install Kali Linux 2021.3 on VirtualBox

gen_too

In this tutorial, you will learn how to install Kali Linux 2021.3 on VirtualBox. Kali Linux is …

Start and Stop KVM Virtual Machines from Command Line

Start and Stop KVM Virtual Machines from Command Line

koromicha

This guide will take you through how to start and stop KVM virtual machines from …

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 …

Install VirtualBox Guest Additions on Fedora 31/32

koromicha

In this guide, we are going to learn how to install VirtualBox Guest Addition on …

How to Rename KVM Virtual Machine with virsh command

How to Rename KVM Virtual Machine with virsh command

Is it possible to rename KVM virtual machine? Yes, follow through this guide to learn how to rename KVM virtual …

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 …
Create and Manage VirtualBox VM Groups

Create and Manage VirtualBox VM Groups

In this tutorial, you will learn how to create and manage VirtualBox vm groups. In VirtualBox, it is possible to …

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