The Caesar cipher is a classic example of ancient cryptography and is said to have been used by Julius Caesar. The Caesar cipher is based on transposition and involves shifting each letter of the plaintext message by a certain number of letters, historically three, as shown in Figure 5.1. The ciphertext can be decrypted by applying the same number of shifts in …
Artificial intelligence (AI) is transforming the way we live and work, and it has become increasingly important for businesses and individuals to learn how to develop AI projects. Developing an AI project may seem like a daunting task, but with the right approach, it can be an exciting and rewarding experience. In this blog post, …
Steps to install Outline VPN on Ubuntu The following steps include installing docker and setting up Outline VPN followed by updating and upgrading dependency packages. 1. First Update and upgrade the packages sudo — sh -c ‘apt-get update; apt-get upgrade -y; apt-get dist-upgrade -y; apt-get autoremove -y; apt-get autoclean -y’ 2. Install Docker sudo curl …
Target Specification SWITCH EXAMPLE DESCRIPTION nmap 192.168.1.1 Scan a single IP nmap 192.168.1.1 192.168.2.1 Scan specific IPs nmap 192.168.1.1-254 Scan a range nmap scanme.nmap.org Scan a domain nmap 192.168.1.0/24 Scan using CIDR notation -iL nmap -iL targets.txt Scan targets from a file -iR nmap -iR 100 Scan 100 random hosts –exclude nmap –exclude 192.168.1.1 Exclude …
The following steps describe the ways of maintaining the security of your IT network: 1. Have experts conduct an IT assessment/audit and planning. Even though you recognize the need to secure your IT infrastructure, you might not know where to start or to what extent you need to scale your network. If this is the …
Do you have your Korean phone number? You might have gotten one before, or you plan to get one for your next trip to South Korea. In this article, we will introduce you to what Korean phone numbers look like and how they are formatted. And even more importantly, we will also give you some …
Korean phone number – All you need to know (+how to get one) Read More »
Creating single use or timed download links can allow websites to offer downloadable content that expires after a single download or after a set period of time. Many e-commerce sites are using these techniques to sell documents and files online. Graham, your other author here at Webvamp, has recently been working on a project where the …
If Internet Explorer Enhanced Security Configuration (IE ESC) is turned on, you will receive an error message to disable this setting before you can log on and register the PI to OCS Agent. To avoid this issue, you can switch to another web browser during agent installation. To turn off Internet Explorer Enhanced Security Configuration: …
Tracking attendance in Moodle is a great student success tool because it allows students to monitor their own attendance. Set up Attendance From the Gear icon at the upper right of your course page, choose Turn editing on or Press the Turn editing on button. Go to the section on your course page where you …
When you create a key pair using Amazon EC2, the public key is stored in Amazon EC2, and you store the private key. You can use Amazon EC2 to create a key pair using one of the following methods. To create a key pair using Amazon EC2 Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/ . …