What is DevOps?

DevOps is a term that combines “development” and “operations.” It is a methodology that aims to bridge the gap between the software development and IT operations teams. DevOps is a set of practices that focuses on automating the software development process, reducing the time between writing code and deploying it to production, and ensuring a high level of quality in the delivered software. Introduction to DevOps DevOps is a set of practices that combines software development and IT operations.

How to Create a Password Generator in Golang

Introduction In today’s digital age, password security is more important than ever before. Hackers can easily guess weak passwords, leading to identity theft and other cybersecurity breaches. To ensure our online safety, we need to use strong and secure passwords that are difficult to guess. A good password generator can help us create random and strong passwords. In this blog post, we’ll discuss how to create a password generator in Golang.

How does Disaster Recovery work in the Cloud?

Disaster Recovery (DR) in the cloud refers to the process of recovering IT infrastructure and data in the event of a disaster, such as a natural disaster or a cyber attack, in a cloud environment. Cloud-based Disaster Recovery (DR) is different from traditional DR because it utilizes cloud services and technologies to protect data and applications and minimize downtime. Some key elements involved in implementing a Disaster Recovery plan in the cloud covers topics such as the following.

What is DevOps and why is it important?

DevOps is a software development methodology that emphasizes collaboration and communication between software developers and IT operations teams. It is a set of practices that seeks to streamline the software development lifecycle, from planning and coding to testing and deployment, through the use of automation, monitoring, and iterative development processes. The primary goal of DevOps is to deliver software more quickly, reliably, and efficiently by breaking down silos between development and operations teams and encouraging continuous feedback and improvement.

What is the Zen of Python?

The Zen of Python is an Easter Egg that long time Pythoneer (Tim Peters) channeled the guiding principals for the language’s design principals into 20 aphorisms, of which only 19 of them are written down. How to access this Zen of Python Easter Egg By importing this into your Python application, it will immediately print as follows: 1 import this What is the Zen of Python? Beautiful is better than ugly.

How to Create a Password Generator in C++

You can easily create a password generator in C++ with the following simple method. How to create the Password Generator in C++ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 #include <iostream> #include <string> #include <algorithm> #include <random> std::string generate_password(int length = 16) { std::string seed = string("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ") + string("0123456789") + string("!@#$%^&*()_+=-{}[]\\|:;<>,.?/"); std::string password_string = seed; std::shuffle(password_string.begin(), password_string.end(), std::mt19937{std::random_device{}()}); return password_string.

How do you architect Disaster Recovery in AWS?

Disaster recovery (DR) in AWS involves creating a plan and set of procedures to help your organization recover from a catastrophic event, such as a natural disaster, power outage, or cyber attack, that could impact your business operations. AWS provides a range of tools and services to help you architect an effective DR solution in the cloud. Here are the high-level steps to architect a Disaster Recovery solution in AWS:

What options exist for Infrastructure as Code (IaC)

There are several options for Infrastructure as Code (IaC) tools that can help automate the provisioning and management of infrastructure resources, such as servers, networks, and storage, in a reliable and reproducible way. Here are some of the most popular IaC options: Terraform: An open-source tool by HashiCorp that supports a wide range of infrastructure providers, including AWS, Azure, Google Cloud, and more. Terraform uses a declarative language to describe infrastructure as code and can manage both low-level and high-level resources.

How to learn Java in 1 day

Learning Java in one day is not a realistic goal, as Java is a complex programming language that requires time and practice to master. However, here are some tips to get you started: Start with the basics: Before diving into complex topics, learn the basics of Java, such as variables, data types, control structures, and object-oriented programming principles. Watch tutorials and read documentation: There are many resources available online that can help you learn Java quickly.

How to read user input as numbers in Python

In Python 3 onwards, the input function returns a string type.. int value You can explicitly convert this into an int type. 1 val = int(input("Enter a number: ")) float value If you need to accept fractional components, then simply swap this out with a float type: 1 val = float(input("Enter a number:")) map multiple values If you have multiple integers in a single line, then you can use map to extract them into a list:

Capitalize First Letter of Each Word in Python

If you have a sentence containing multiple words, and you want each of the words to start with a capital letter, then you can do one of the following: Option 1 - using string.capwords() 1 2 3 import string string.capwords('this is a test!') Output: 'This Is A Test!' Option 2 - using title() 1 'this is a test!'.title() Output: 'This Is A Test!' Option 3 - using join(), split() and list comprehensions 1 " ".

How to Create a Password Generator in Python

You can easily create a password generator in Python with the following simple method. How to create the Password Generator in Python 1 2 3 4 5 6 7 8 9 import string import random def generate_password(length=16): seed = f"{string.ascii_letters}{string.ascii_lowercase}{string.ascii_uppercase}{string.punctuation}" password_string = [x for x in seed] random.shuffle(password_string) return ''.join(password_string[:length]) How to use the Password Generator in Python With this function, you can either call the generate_password() function without any arguments, and it will generate a 16 digit long password, unless you need a longer one, then pass in an integer to specify the lengh of the password you would like.

How to Convert Bytes to a String in Python

If you need to convert bytes to a string in Python, then you can do the following: 1 2 your_string = b'This works \xE2\x9C\x85'.decode("utf-8") print(your_string) Output: 1 This works ✅ Note that in the above example, we have converted a utf-8 string to.

How to measure the elapsed time in Python

Option 1 - using the time module 1 2 3 4 5 6 7 8 import time start = time.time() print(23*2.3) end = time.time() print(end - start) Output: 1 2 52.9 3.600120544433594e-05 Option 2 - using the timeit module 1 2 3 4 5 6 7 8 from timeit import default_timer as timer start = timer() print(23*2.3) end = timer() print(end - start) Output: 1 2 52.9 6.355400000000039e-05

How to Change a MariaDB/MySQL Data Directory to a New Location on Linux

Step 1 — Moving the MariaDB Data Directory 1 mysql -u root -p 1 select @@datadir; 1 2 3 4 5 6 7 Output: +-----------------+ | @@datadir | +-----------------+ | /var/lib/mysql/ | +-----------------+ 1 row in set (0.00 sec) 1 exit 1 2 sudo systemctl stop mariadb sudo systemctl status mariadb 1 2 Output: mysql systemd[1]: Stopped MariaDB database server. 1 sudo rsync -av /var/lib/mysql /mnt/my-volume-01 1 sudo mv /var/lib/mysql /var/lib/mysql.

[Solved] Docker Daemon Connection Error: Daemon Running?

If you get the following error when trying to run a Docker container: Cannot connect to the Docker daemon at unix:/var/run/docker.sock. Is the docker daemon running? Then you can resolve it by running the following: 1 systemctl start docker If this doesn’t work because of a root user issue, then you can do the following first: 1 gpasswd -a $USER docker Additional issues? Issue 1 If you have tried the above, and get this error:

[Solved] M1 Docker Image Platform Mismatch with Host (ARM64)

If you get the following error when trying to run a Docker container that was built on an M1 mac: M1 docker preview and keycloak 'image's platform (linux/amd64) does not match the detected host platform (linux/arm64/v8)' Issue The solution Then you can do simply add the following argument to your docker build command. 1 --platform linux/amd64 Where this goes 1 docker build --platform linux/amd64 -t your_docker_item .

How to get the SHA512 sum of a string using Python

If you need to get the SHA512 sum of a string using Python, then you can do the following. Step 1 Firstly, we need to use the hashlib module: 1 import hashlib Step 2 Now make sure that the input string is encoded correctly. 1 your_input = "this is your input string".encode('utf-8') Step 3 Finally use the sha512 function of the hashlib module, and get the hexdigest() value from it:

How to get the SHA256 sum of a string using Python

If you need to get the SHA256 sum of a string using Python, then you can do the following. Step 1 Firstly, we need to use the hashlib module: 1 import hashlib Step 2 Now make sure that the input string is encoded correctly. 1 your_input = "this is your input string".encode('utf-8') Step 3 Finally use the sha256 function of the hashlib module, and get the hexdigest() value from it: