Today Notes

We are learning how to get all logged in user name in a Linux server you need administrative privileges to execute commands cover here.    There are many ways to list logged in user on a Linux machine. Here I am covering my three favourite  method for this purpose. All this command run with any fedora based system like Red Head Linux , Centos, Rocky Linux, Amla linux etc. 1. lastlog : you can use list command to know all login user. this command uses file available in /var/log/lastlog. This command read data from the mentioned file and present in a human readable from     You can use grep command to filter output and show only currently logged in user by following command. lastlog | grep -v 'Never' In this example we use grep -v switch to exclude all line containing Never. This way we find all currently logged in user. 2. W command : This is more preferable way to get all logged in user, it uses file mentioned on lastlog command and file situated on /proc...

 We are using cert bot tool to generate / create multi domain certificate from Let's Encrypt CA. we are using following command  create CSR config file to generate CSR: Example of csr file is: default_bits            = 2048  # RSA key size encrypt_key             = no  # Protect private key default_md              = sha256  # MD to use utf8                    = yes  # Input is UTF-8 string_mask             = utf8only  # Emit UTF-8 strings prompt                  = no  # Prompt for DN distinguished_name      = s...

  T he difference between static and dynamic web pages is an important concept to understand for anyone interested in web development or online content creation. In simple terms, a static web page is a page that is pre-built and sent to the user as-is, while a dynamic web page is one that is built on-the-fly in response to user requests. In this article, we'll explore the differences between these two types of web pages in more detail, including their features, advantages, and disadvantages. Static Web Pages A static web page is a pre-built HTML file that is sent to the user's browser when they request a particular URL. These pages are built using HTML, CSS, and other web technologies, and they typically contain fixed content that does not change over time. Static pages are simple, fast, and easy to create, making them a popular choice for small websites and blogs that do not require a lot of interactivity. Features of Static Web Pages Static web pages have several...

          A web page is a digital document or resource that is part of the World Wide Web (WWW) and can be accessed through a web browser. It is a collection of electronic files that can contain text, images, videos, hyperlinks, and other multimedia content. Web pages are created using a markup language such as HTML, which defines the structure and content of the page. This markup language is then interpreted by web browsers to display the page to the user. Web pages can be created by individuals, businesses, organizations, or governments, and can be accessed by anyone with an internet connection. They can be hosted on web servers, which are computers that store and deliver web pages to users on demand. Web pages can serve a variety of purposes, including providing information, promoting products or services, facilitating communication and collaboration, and entertaining users. In this article, we will explore the different aspects of web pa...

 Hosting a website on a home computer can have its advantages and disadvantages. In this answer, we will discuss the potential pros and cons of hosting a website on a home. Pros of Hosting a Website on a Home Computer   Cost-Effective: One of the primary advantages of hosting a website on a home computer is the cost savings. Professional web hosting services can be expensive, especially if you are running a resource-intensive website. Hosting your website on a home computer can save you money on hosting fees, as well as additional costs associated with purchasing a domain name and other services. Complete Control: When you host a website on your own computer, you have complete control over the server environment. This means that you can customize the server configuration to meet the specific needs of your website. You can also install any software or applications that you require, which may not be available on a shared hosting environment. Flexibility: Hosting a website on ...

  Dedicated managed hosting is a type of web hosting service where the hosting provider offers a dedicated server for the user's website or application, and manages all the technical aspects of the server. This includes server maintenance, software updates, security, and backups. In this article, we will discuss dedicated managed hosting in detail, including its benefits, types, and considerations to keep in mind when choosing a provider. Benefits of Dedicated Managed Hosting Customization: One of the primary benefits of dedicated managed hosting is the level of customization it offers. With this type of hosting, the user has complete control over the server environment, including hardware specifications, software configurations, and security measures. This level of customization is not available with other hosting options, such as shared hosting or VPS hosting, where users have to work within pre-determined limits. The ability to customize the server environment is particularly i...