Michael Robinson

How do I install opencv using pip?

Installing OpenCV using pip is one of the easiest ways to set up this powerful computer vision library in Python. OpenCV (Open Source Computer Vision Library) is widely used for tasks like image processing, object detection, and machine learning applications. With pip, you can get it up and running in just a few…

Python

Answered Sep 11, 2025 · 1.1K Views Read answer →

CompTIA Security+ vs CEH: Which Certification Should You Choose First in 2025?

If you're looking to break into cybersecurity or level up your current role, you've likely come across two major certifications—CompTIA Security+ and Certified Ethical Hacker (CEH). Both are valuable, but which should you pursue first? Let’s break it down based on skill level, job roles, and long-term career impact.…

Cyber Security

Answered Jul 11, 2025 · 3.2K Views Read answer →

How long does it take to crack a password of 8 characters?

The answer to your question - How long does it take to crack a password of 8 characters is that - Some numbers for 8 chars PW if randomly chosen from a 94 character set: Windows PW (NTLM:1), using the above mentioned 25 GPU recovery monster: 2.2 hours on average WiFi (PBKDF2/SHA1:4096) using an 8 GPU recovery system:…

Cyber Security

Answered Oct 17, 2022 · 1.3K Views Read answer →

Mongo waiting on 27017 even after reinstall

The waiting for connections message in the console output indicates that the mongod.exe process is running successfully. Next, you need to connect to MongoDB through mongo.exe shell using another command prompt. As soon as you are done with that, the waiting message in the first console would change to connection…

Devops

Answered Jul 18, 2021 · 1.9K Views Read answer →

efficiently convert rows to columns in sql server

For sql server rows to columns transformation, there are multiple ways using which you can transform data from multiple rows into multiple columns. In SQL Server, by using PIVOT function you can transform the data from rows to columns: QUERY: select Firstname, Amount, PostalCode, LastName, AccountNumber from ( select…

Devops

Answered Jul 15, 2021 · 1.6K Views Read answer →

Checking process.

Individual process can be checked via check_proc plugin. To check whether a given process is working or is in UP state can be achieved via this plugin. This can be executed in the same way as is done by all other plugin i.e. via check_nrpe plugin Benefits - Prevention of unexpected process shutdown. Checking a…

Devops

Answered Dec 30, 2019 · 1.9K Views Read answer →

Using mobile applications to check nagios status

Nagios mobile application can be used to view alerts, or in short nagios status over mobile. This way it becomes more handy to check related services and make Nagios more robust in nature. Some benefits offered are - Real-time alerts information Problem solving Compatibility Flexibility

Devops

Answered Dec 30, 2019 · 1.9K Views Read answer →

Accessing the web-interface

Once the installation is done, Nagios web-interface can be accessed by hitting http:///nagios. Further it can be accessed via username - nagiosadmin and password configured at the time of installation. Once the login is successful, you can see the web interface and default dashboard below.

Devops

Answered Dec 29, 2019 · 1.8K Views Read answer →

Benefits of monitoring & how it saves production environment.

Imagine a production environment over 200 servers operational at a time, enabling monitoring on these servers enhances the capability of getting info like “Service impact”, server health (like - CPU usage, memory, hard disk usage, etc.) and to take necessary actions before the server crashes down. Such actions…

Devops

Answered Dec 28, 2019 · 1.6K Views Read answer →