Certifications, HowTos

Microsoft 70-740: Nail this Exam Easily Using Exam Dumps

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koromicha
Containers, HowTos, Kubernetes, OpenShift

Automate OpenShift Deployments with GitLab CI/CD Pipelines

HowTos, Ansible, Automation, Red Hat Satellite, RHEL OS Upgrade

Automate RHEL OS Upgrades using Ansible infra.leapp Playbooks

HowTos, PHP

Install PHP 7.4 on Ubuntu 20.04

HowTos, VirtualBox, Virtualization

Install VirtualBox Guest Additions on Kali Linux 2020.3

Containers

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Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

This step-by-step guide provides an easy way to install Kubernetes dashboard on Ubuntu 22.04/20.04. Installing Kubernetes Dashboard on Ubuntu 22.04/20.04 …
Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

Can docker Desktop connect to remote host? Yes. Follow through this guide to learn how to connect to Remote Docker …
External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

A container with no shell is doing the right thing. A secrets pipeline that cannot deliver credentials to that container …
Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

Install Helm on Kubernetes Cluster

Step-by-Step Guide: How to Install Helm on Kubernetes Cluster

install portainer on Linux

Install Portainer on Rocky Linux

install docker ce on debian 12

How to Install Docker CE on Debian 12

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Configure HTPasswd Identity Provider in OpenShift 4.x

Step-by-Step Guide: How to Configure HTPasswd Identity Provider in OpenShift 4.x

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

backup and restore kubernetes etcd cluster

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

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

Install and Run MariaDB as a Docker Container

How to Install Docker on Ubuntu 24.04

How to Install Docker on Ubuntu 24.04

Security

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Install and Setup Squid Proxy on Debian 11/10

Setup OpenVPN Server on Rocky Linux 8

How to Install and Use ClamAV Antivirus on Ubuntu 18.04

Most Popular

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Install Request Tracker (RT) on Ubuntu 24.04
HowTos, Ticketing Systems

Install Request Tracker (RT) on Ubuntu 24.04

install and setup ntp server
HowTos, NTP, RHEL

How to Install and Configure NTP Server Using Chrony on Fedora 29/Fedora 28

Elastic Stack, HowTos, Monitoring

Install and Configure Elastic Auditbeat on Ubuntu 18.04

HowTos, Rsyslog, Syslog

Install and Setup Adiscon LogAnalyzer on CentOS 8

Useful Methods to Create Unique Content
HowTos

Useful Methods to Create Unique Content

How to Copy Kibana Dashboard to Another Kibana Space
Monitoring, Elastic Stack, HowTos

How to Copy Kibana Dashboard to Another Kibana Space

Configure Availability Monitoring on AlienVault USM/OSSIM using Nagios

Install WireGuard VPN Server on Rocky Linux

How to Monitor OpenVPN Connections using openvpn-monitor tool

Install GVM 21.04 on Rocky Linux 8

Install Malcolm Network Traffic Analysis Tool on Ubuntu 22.04

Automount LUKS Encrypted Device in Linux

External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

Analyze Network Traffic using Zeek

How to Encrypt Data at Rest on Ceph Cluster OSD

Install and Setup DVWA on Debian 10

Install Wazuh SIEM Server on Ubuntu 24.04

MONITORING

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Metricbeat System Host overview ECS Elastic

Monitor Linux System Metrics with ELK Stack

gen_too

In this tutorial, you will learn how to monitor Linux system metrics with ELK Stack. …

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 …

fleet

Install Kolide Fleet Osquery Fleet Manager on Debian 10

koromicha

Welcome to our guide on how to install Kolide Fleet Osquery fleet manager on Debian …

Enable HTTPS Connection Between Elasticsearch Nodes

Enable HTTPS Connection Between Elasticsearch Nodes

gen_too

In this tutorial, you will learn how to enable HTTPS connection between Elasticsearch nodes. One …

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 …

Integrate Prometheus with Grafana for Monitoring

koromicha

This guide will take you through how to integrate Prometheus with Grafana for Monitoring. As …

Configure Nagios Email Notification Using Gmail

Configure Nagios Email Notification Using Gmail

koromicha

This guide will take you through how to configure Nagios Email Notification using Gmail. Nagios …

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. …

kibana

Install ELK Stack on Ubuntu 20.04

gen_too

Welcome to our guide on how to install ELK Stack on Ubuntu 20.04. ELK, currently …

Install Prometheus on Linux

Install Prometheus on Debian 10

koromicha

In this guide, we are going to learn how to install Prometheus on Debian 10. Prometheus is …

How to Integrate ELK Stack with TheHive

How to Integrate ELK Stack with TheHive

In this tutorial, we are going to learn how to integrate ELK stack with TheHive. ELK Stack can be configured …
grafana server

Install Grafana on Rocky Linux 8

In this guide, we are going to learn how to install Grafana on Rocky Linux 8. Grafana is the open source analytics …
filebeat

How to run Multiple Filebeat Instances in Linux

In this tutorial, you will learn how to run multiple filebeat instances in Linux system. Filebeat is one of the …

NETWORKING

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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 …
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 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 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 …
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 …
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 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 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 …
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 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 …
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

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Configure ownCloud OpenLDAP Authentication

Install and Configure iSCSI Storage Server on Ubuntu 24.04

Backup Windows System with BackupPC Using Rsyncd

KVM Online Disk Expansion: How to Extend Virtual Disks Without Downtime

Install ownCloud Server on Debian 10 Buster

Install and Setup Ceph Storage Cluster on Ubuntu 20.04

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

Install and Setup BackupPC Server on Ubuntu 20.04

VIRTUALIZATION

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wubuntu

Install Wubuntu Linux on VirtualBox

Kifarunix

Follow through this guide to learn how to install Wubuntu Linux on VirtualBox. According to …

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 …

genymotion login

Install Genymotion Android Emulator on Ubuntu 20.04

gen_too

Follow through this guide to learn how to install Genymotion Android emulator on Ubuntu 20.04. …

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 …

how to automate virtual machine installation on VirtualBox

Automate Virtual Machine Installation on VirtualBox

koromicha

In this tutorial, you will learn how to automate virtual machine installation on VirtualBox. Many …

Install VirtualBox on Debian 11 Desktop

gen_too

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

kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

Kifarunix

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with …

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 …

How to Install FreeBSD 12 on VirtualBox

koromicha

Hello there, welcome to our guide on how to install FreeBSD 12 on VirtualBox. FreeBSD …

List Running and Stopped VMS on KVM

List Running and Stopped VMS on KVM

koromicha

Follow through this guide to learn how to list running and stopped vms on KVM. …

Install VirtualBox 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

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

Upgrade Ubuntu 18.04 to Ubuntu 20.04

Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being likely to be released on …
shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk size. In most cases, there …

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