HowTos, Java

Install Oracle Java (OpenJDK) 13 on CentOS 8

BY
koromicha
HowTos, Ceph, Containers, Kubernetes, Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Storage, GlusterFS, HowTos

Install and Setup GlusterFS Storage Cluster on CentOS 8

Monitoring, Grafana

Install Grafana Data Visualization Tool on Ubuntu 18.04

HowTos, Database

Install PostgreSQL on Rocky Linux 8

Containers

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install docker ce

Install and Use Docker CE on CentOS 8

Welcome to our guide on how to install and use docker ce on CentOS 8. Docker is a platform that enables …
Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

In this tutorial, you will learn on how to extend OpenShift CoreOS /sysroot root filesystem. Extending the OpenShift CoreOS /sysroot …
install portainer on Linux

Install Portainer on Ubuntu 22.04

In this tutorial, you will learn how to install Portainer on Ubuntu 22.04. Portainer is a self-service container service delivery platform …
Eliminate Static Secrets from GitLab CI/CD with OpenBao on OpenShift

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

Scale OpenShift Data Foundation Storage on Bare Metal

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

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

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

docker hardened images

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

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

Configure CloudBees CI High Availability for Managed Controllers on OpenShift

How to Configure CloudBees CI High Availability for Managed Controllers on OpenShift

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

Deploy Apps on OpenShift Using BuildConfig

How to Deploy Apps on OpenShift Using BuildConfig: A Step-by-Step Guide (2025)

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Pod Management: Static Pods vs Mirror Pods vs DaemonSets

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Security

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How to Encrypt Data at Rest on Ceph Cluster OSD

Install Apache Web Server on Debian 12

Install and Configure Wazuh Manager on Ubuntu 22.04

Most Popular

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

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

Linux Commands, HowTos

Install Cheat Command on Ubuntu 20.04

install wireguard vpn on
Security, HowTos, VPN

Install WireGuard VPN Client Ubuntu 24.04

Do You Want to Sit for Microsoft AZ-500: Microsoft Azure Security Technologies Exam with Ease? Check Some Tips and Hints That May Be Helpful If you plan to pass the Microsoft AZ-500 exam, you should think about the preparation process in advance. This path requires some perseverance, so be sure to allocate enough time and put effort. The following are some tips and hints that can come in handy. Explore information about the exam in detail First and foremost, you should explore a lot of information regarding the Microsoft AZ-900 exam. It can help you understand whether you fit the main requirements or not and what you need to know to ace the test. For this purpose, you may visit the official webpage. Here you can find the exam requirements as well as details. Moreover, you can download the skills outline that contains an overview of the subject areas that are included in the test. Using this document, you can realize what domains you need to focus on to prepare for Microsoft MS-101 . Select the best preparation tools with great deliberation There are many study materials that you can utilize. It should be noted that you need to be prudent while choosing any training option for yourself. AZ-500 resources have different features, so use the possibility to select something that you find useful and interesting. For instance, you may pay attention to online learning modules. They are a way for those who prefer self-preparation. On the other hand, the students who plan to prepare with the help of an instructor can think about using the training course. In addition, if you want to hone the skills that are important for the exam, you can consider utilizing practice tests. The idea is to choose a preparation tool that will fit your learning style and goals. Utilize time wisely Another important point is to create a study plan to organize your preparation process and optimize your spending of time. It is crucial to find a balance between various parts of your life (don’t forget about personal life, leisure time, and work). At the same time, be sure to study regularly. Set a clear aim that you plan to achieve and go for it step by step. Check exam dumps (but carefully) To evaluate your level of readiness, you can use MS-700 dumps. They are the questions and answers that are gathered from the previous tests. This is an effective tool to get conversant with the question patterns as well as determine what areas you still have problems in. There are many websites that propose dumps, but try to find reliable ones that come with verified materials. Ending Notes These were just a few tips and hints to get ready for the Azure Fundamentals : Microsoft Azure Security Technologies test. You can find even more information about it in other sources. Be sure to do your best to get ready for this challenge. Get acquainted with the exam details, choose the best tools, and create a study plan to begin your preparation process.
HowTos

Do You Want to Sit for Microsoft AZ-500: Microsoft Azure Security Technologies Exam with Ease? Check Some Tips and Hints That May Be Helpful

Install Zammad Ticketing System on Debian 10
Ticketing Systems, HowTos

Install Zammad Ticketing System on Debian 10

HowTos, VirtualBox, Virtualization

Install VirtualBox Guest Additions on Debian 10 Buster

Essential Cybersecurity Measures for Small Businesses

Careers In IT You Need To Know About

How to Monitor OpenVPN Connections using openvpn-monitor tool

Install pfSense Firewall on KVM

Install and Configure Libreswan VPN Client on Ubuntu/Debian

Configure LibModsecurity with Apache on CentOS 8

Install and Configure Snort 3 on Ubuntu 22.04

Easy way to Integrate TheHive with Cortex

How to Install OPNsense on VirtualBox

Import Saved Passwords From Firefox to Chrome on Ubuntu 18.04

Install Metasploit Framework on Fedora 29

Studying cybersecurity and gaining the greatest achievements in data protection

MONITORING

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Monitor Linux Hosts using Nagios check_by_ssh Plugin

Monitor Linux Hosts using Nagios check_by_ssh Plugin

koromicha

Welcome to our tutorial on how to monitor Linux Hosts using Nagios check_by_ssh plugin. This …

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 SSL/TLS Certificate Expiry with Prometheus and Grafana

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

koromicha

In this tutorial, you will learn how to monitor SSL/TLS certificate expiry with Prometheus and …

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 Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

Kifarunix

This step-by-step guide provides an easy way to install Kubernetes dashboard on Ubuntu 22.04/20.04. Installing …

install and configure snmp ubuntu 20.04

Quick Way to Install and Configure SNMP on Ubuntu 20.04

gen_too

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

Process and Visualize ModSecurity Logs on ELK Stack

Process and Visualize ModSecurity Logs on ELK Stack

gen_too

In this tutorial, you will learn how to process and visualize ModSecurity Logs on ELK …

Setup Multi-node Elasticsearch Cluster

Setup Multinode Elasticsearch 8.x Cluster

gen_too

Follow through this tutorial to learn how to setup multinode Elasticsearch 8.x cluster. As of …

Install and Configure Zabbix

Install and Configure Zabbix 4.0 from Source on Fedora 29/Fedora 28/CentOS 7

koromicha

In this guide, we are going to learn how to install and configure Zabbix 4.0 …

nagios

Install Nagios on Debian 11

gen_too

In this guide, we are going to learn how to install Nagios on Debian 11. Nagios is …

install and configure snmp on Linux

Install and Configure SNMP on Ubuntu 22.04/Debian 11

In this guide, we are going to learn how to install and configure SNMP on Ubuntu 22.04/Debian 11. SNMP is …

Fix AlienVault HIDS Events Displaying 0.0.0.0 as IP Address

In this guide, we are going to show you how to fix AlienVault HIDS events displaying 0.0.0.0 as IP address. …
Install and Setup Nagios

Install and Configure Nagios Core from Repos on Ubuntu 18.04

In this tutorial we are going to learn how to install and configure Nagios Core from Repos on Ubuntu 18.04. …

NETWORKING

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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 …
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, …
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 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 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 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 …
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 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 …
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 …
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 …
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

More

Install and Setup GlusterFS on Ubuntu 18.04

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Install and Configure BackupPC as a Backup Server on Ubuntu 18.04

Install ownCloud Desktop Client on CentOS 8

Install Couchbase Server on Ubuntu 22.04/Ubuntu 20.04

Quick Way to Setup Samba File Server on Debian 10

Shrink KVM Virtual Machine LVM Partitioned Disk

Create LVM Logical Volumes in Linux

VIRTUALIZATION

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kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2020.3

koromicha

In order to set your Kali Linux running on VirtualBox in fullscreen mode, you need …

Use VirtualBox VMs on KVM

Use VirtualBox VMs on KVM

koromicha

Do you have some VirtualBox virtual machines that you would like to re-use on your …

Install Debian 12 on VirtualBox

Install Debian 12 on VirtualBox

Kifarunix

Follow through this tutorial to learn how to install Debian 12 on VirtualBox. The Debian …

Install Debian 10 Buster on VirtualBox

koromicha

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

virtualbox ubuntu 20.04

Install Latest VirtualBox on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to install latest VirtualBox on Ubuntu 20.04. As …

install portainer on Linux

Install Portainer on Rocky Linux

koromicha

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

Install VirtualBox Guest Additions on Ubuntu 18.04

Jay Decrame

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

wubuntu

Install Wubuntu Linux on VirtualBox

Kifarunix

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

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 …

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 …

Install VirtualBox Guest Additions on Ubuntu 18.04

In this guide, we are going to learn how to install VirtualBox Guest Additions on Ubuntu 18.04 VM. Oracle VM …
shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, this is an almost mission …
Use VirtualBox VMs on KVM

Use VirtualBox VMs on KVM

Do you have some VirtualBox virtual machines that you would like to re-use on your KVM? Follow through this guide …

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