HowTos, Security, Ubuntu 18.04

How to Protect Single User Mode with Password in Ubuntu 18.04

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koromicha
Repository Managers, HowTos

Install Nexus Repository Manager on Ubuntu 20.04

HowTos

Helpful Tips On How To Choose the Right Educational Software

HowTos

7 Essential Tools Your Business Should Be Using Today

OpenShift, Containers, HowTos, Kubernetes

Control OpenShift Pod Permissions with SCCs and Service Accounts

Containers

More
Scale OpenShift Data Foundation Storage on Bare Metal

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

In this guide, you will learn how to recover and expand OpenShift Data Foundation storage on bare metal from diagnosing …
install docker ce

Install Docker CE on Ubuntu 20.04

In this tutorial, we are going to learn how to install Docker CE on Ubuntu 20.04. Docker is a platform …
Deploying CloudBees CI on OpenShift: Architecture, Installation, Security, and Production Best Practices

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

This guide provides working steps on deploying CloudBees CI on OpenShift. My first CloudBees CI deployment on OpenShift looked successful …
install portainer on Linux

Install Portainer on Debian 11/Debian 10

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

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

Deploy an OpenShift Cluster Using Agent-Based Installer

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

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

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

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

automate OpenShift Deployments with GitLab CI/CD pipelines

Automate OpenShift Deployments with GitLab CI/CD Pipelines

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

Install and Use Docker on Debian 10 Buster

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Deploy Multi-Node OpenStack using Kolla-Ansible

Deploy Multinode OpenStack using Kolla-Ansible

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

Security

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How to Enable Secure Shell (SSH) server on OPNsense

Analyze Network Traffic using Zeek

Install ClamAV on Rocky Linux 8

Most Popular

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HowTos, System Manager, Webmin

Install and Use Webmin on Fedora 30

kali linux 2021.3 desktop
Virtualization, HowTos, VirtualBox

Easily Install Kali Linux 2021.3 on VirtualBox

Join RHEL 8/9/10 to Windows AD with SSSD
HowTos

How to Join RHEL 8/9/10 to Windows AD with SSSD

Install DBeaver on Debian/Ubuntu
HowTos

Install DBeaver on Ubuntu 22.04/Ubuntu 20.04

Beyond Compliance: Unraveling the Impactful Realm of Audit and Assurance
HowTos

Beyond Compliance: Unraveling the Impactful Realm of Audit and Assurance

Install IBM QRadar Community Edition SIEM on VirtualBox
SIEM, QRadar, Security

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

Configure LibModsecurity with Nginx on CentOS 8

Setup Multinode Elasticsearch 8.x Cluster

How to Protect From Identity Theft Online: A Detailed Guide for 2022

How to Enable Basic Authentication on ELK Stack

Top 8 Security Skills To Prevent Cyber Threats

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

Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

8 Handy Ways You Can Use A VPN In Your Everyday Life

How to Install and Configure AlienVault HIDs Agent on a Linux Host

The Role of a Strategic Cybersecurity Strategy in Ensuring Business Continuity

Install and Configure Squid Proxy on Fedora 29/Fedora 28/CentOS 7

ExpressVPN – Easy to Use VPN

MONITORING

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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 …

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon

koromicha

In this guide, we are going to learn how to send Windows logs to Elastic …

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 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 LibreNMS on Linux

Install LibreNMS on Ubuntu 22.04/Ubuntu 20.04

koromicha

Follow through this tutorial to learn how to install LibreNMS on Ubuntu 22.04/Ubuntu 20.04. LibreNMS …

Install Osquery on Linux

Install Osquery on Rocky Linux 8

gen_too

In this guide, we are going to learn how to install osquery on Rocky Linux …

filebeat

Easy way to Configure Filebeat-Logstash SSL/TLS Connection

koromicha

In this tutorial, we will show you an easy way to configure Filebeat-Logstash SSL/TLS Connection. …

Install Osquery on Ubuntu 20.04

Install Osquery on Ubuntu 20.04

koromicha

In this guide, we are going to learn how to install osquery on Ubuntu 20.04. …

Ship System Logs to ELK Stack using Elastic Agents

Ship System Logs to ELK Stack using Elastic Agents

gen_too

This tutorial will take you through how to ship system logs to ELK stack using …

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Kifarunix

How to check Docker CPU and memory usage? In this tutorial, you will learn how …

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

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

In this tutorial, you will learn how to monitor process creation events on Windows systems using Wazuh and ELK Stack. …
nagios rocky

Install Nagios Server on Rocky Linux 8

In this guide, you will learn how to install Nagios Server on Rocky Linux 8. Nagios provides enterprise-class Open Source IT monitoring, …
install and configure snmp on Linux

How to Configure SNMP version 3 on Debian 9

This guide is about how to configure SNMP version 3 on Debian 9. There are three major versions of SNMP …

NETWORKING

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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 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 …
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 …
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 …
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 …
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 …
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 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 …
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 …

STORAGE

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Install and Setup BackupPC Server on Ubuntu 20.04

Easy way to Setup NFS Server on Ubuntu 20.04

How to Deploy Ceph Storage Cluster on Rocky Linux

How to Encrypt Data at Rest on Ceph Cluster OSD

How to Install Duplicati Backup Client on Ubuntu 22.04

How to Start Stop or Restart Ceph Services

Install and Setup GlusterFS Storage Cluster on CentOS 8

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

VIRTUALIZATION

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deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

Deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

koromicha

In this tutorial, you will learn how to deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu …

Install Solaris 11.4 on VirtualBox

Easily Install Solaris 11.4 on VirtualBox

Kifarunix

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

Easy Way to Extend KVM Virtual Machine Disk Size

Easy Way to Extend KVM Virtual Machine Disk Size

kaptotonindet

This is a simple tutorial on an easy way to extend KVM virtual machine disk …

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 on Debian 11 Desktop

gen_too

In this tutorial, you will learn how to install VirtualBox on Debian 11 desktop version. …

How to fix QEMU/KVM Not Connected Error on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to fix QEMU/KVM Not connected error on Ubuntu …

Screenshot from 2021 01 13 22 50 51 1

Install VirtualBox 6.1 on Fedora 33

kaptotonindet

In this tutorial, you will learn how to install VirtualBox 6.1 on Fedora 33. VirtualBox …

shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Kifarunix

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk …

Install Debian 10 Buster on VirtualBox

koromicha

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

How to Clone a Virtual Machine on VMware ESXi

koromicha

Having trouble with cloning a virtual machine in VMware ESXi? Worry no more. This guide …

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

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

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian. VirtualBox 7.0.0 was officially …
perform unattended VM installation on VirtualBox 7

Perform Unattended VM Installation on VirtualBox 7

What is VirtualBox unattended installation? Follow through this tutorial to learn how to perform unattended VM installation on VirtualBox 7. …
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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