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How to Fix the “User Profile Service Failed the Sign-in” Error for Windows

Windows Maintenance

Are you getting the “User Profile Service failed the sign-in” or “User profile cannot be loaded” error during Windows startup? This message is shown as soon you type your password in the Windows logon screen, and your default user profile fails to launch. In i...

Conditional statements part 2

SQL Basics

Creating a query with only one condition is not sufficient. Sometimes we would like to check something more complicated. For that SQL (and many other programming languages) have the AND, OR, and NOT keywords to increase our ability to fetch the right result ...

Introduction

SQL Basics

Welcome to the SQL for Beginners course! At the end of this course, you will have the tools to fetch, manipulate, and present meaningful data from databases. This course aims to give you the basics of extracting knowledge from large amounts of data. SQL (whi...

What is a database

SQL Basics

Databases are like large buckets that store data in an organized manner. A few examples of when we would like to create a database: A database for a university to save data about students, courses, and lecturers. A database for a car agency to track sa...

Database concepts

SQL Basics

Let's define a few concepts rows are referred to as records columns are referred to as fields The number of records in a database is unlimited, but the number of fields is limited to the number of fields that were created for the table. Field nami...

Unique values

SQL Basics

Let's assume we have the following table sales   country city amount 1 Poland Warsaw 13 2 Germany Berlin 24 3 Poland Katowice 56 And we would like to know all of the countries that the product was sold. ...

Conditional statements part 1

SQL Basics

Sometimes we would like to fetch records that meet a certain condition. For example fetch all of the records that have the family name "Aothly"  fetch all of the records that the amount is bigger than 5 fetch all of the records with the country "Mexi...

Conditional statements part 3

SQL Basics

Conditions are booleans. Boolean is a data type with two possible values: TRUE or FALSE. For example 10 > 100 - FALSE 10 > 5 - TRUE 10 > 5 AND 100 < 5 - FALSE Boolean columns have only two values - either 1 or 0. TRUE indicates 1 and FALSE indic...

Enabling Docker Listerner in Wazuh

Wazuh

To Enable Docker Listener in Wazuh To maintain the security and compliance of your Docker environment, it is crucial to proactively monitor both your Docker server and containers. The Docker server is the backbone of your container infrastructure and man...

Setting-up Azure Entra with Classlink

Single-Sign-On Tutorials

Notes This is an all or none type of configuration. Once enabled all users of the domain will be redirected to Launchpad for authentication in all Microsoft applications. Users previously Authenticated to Office 365/Entra ID (Azure AD) may need to reauthentic...

Classlink LTI v1.3 (OIDC) Details

Single-Sign-On Tutorials

Dear Vendor, Our school is going to add your app as an LTI v1.3 SSO app through ClassLink. Please provide me with the following information: ·         ClientID (generated in the Partner Portal) ·         OIDC Login Initiation URL ·         Target Link URL ...

Docker container security monitoring with Wazuh

Wazuh

Docker has become a popular framework for application deployment since its development due to its benefits. For example, it makes it easier for organizations to enhance the portability of their applications and operational resilience. Docker is an open source ...

Disable MFA in EntraID (Azure AD)

Single-Sign-On Tutorials

1. You are using 3rd party MFA which is ClassLink, is this correct?   2. You want to disable the Microsoft MFA, or you do not wish your users to be asked for a Microsoft MFA, is this correct?     -If yes is your answer the above information, disable the f...

Understanding Voice over Internet Protocol (VoIP)

Technology Basics

MATTHEW DESANTIS, US-CERT  This paper discusses the advantages and disadvantages of using VoIP services, focusingprimarily on security issues that may affect those who are new to VoIP.   What is VoIP? Voice over Internet Protocol (VoIP) is a form of ...

Windows Protected Print Mode (WPP)

Windows Maintenance

Should I switch on WPP now? Not yet! PaperCut is actively working on a solution to support printing with Windows Protected Print Mode. Sign up for early access through our Percolator program. What is Windows protected print mode? Windows protect...

WordPress and SEO-by Yoast

SEO- Search Engine Optimization

      Table of contentsLearning objectives1. What is SEO, and why is it important?Advanced: Holistic SEO2. What does WordPress do for your SEO?    Example: Pretty permalinks    New: WordPress 5.5 update - XML sitemapsKey takeaways   Learning objectives I...

How to Login to a Company Computer for the First Time - Active Directory

Windows Maintenance

Follow these steps to log in to your computer for the first time after joining the company: Step 1: Get Your Login Details Username: Provided by IT (e.g., jdoe). This is what you use to log in to your computer. Temporary Password: A one-time password pr...

🛠 Expanding Root Filesystem on Ubuntu with LVM (Virtual Machine)

Ubuntu Server documentation Tutorials

📋 Use Case When a virtual machine runs out of space on the root (/) partition, and the underlying disk has already been expanded via the hypervisor or cloud platform. This guide applies to systems using: Ubuntu Server (e.g., 22.04 LTS) LVM-managed ...

📚 How to Mount NFS Storage for Docker Containers (Docker Compose Version)

Docker

🧩 Purpose Configure Docker Compose to automatically mount an NFS share as a volume into your containers without manually mounting it on the host. 1. Prerequisites Install the NFS client: bash sudo apt install nfs-common -y Know ...

📚 Mount Multiple NFS Volumes in Docker Compose

Docker

If you want more than one NFS share available to different containers, here's how: Example: docker-compose.yml yaml version: '3.8' services: app-one: image: my-first-app container_name: app-one volumes: - nfs-st...