Linux, Windows, Security, Programming, Network Tutorials
tr is a popular term used in computing domains. In this tutorial, we will provide the tr term use cases in different programming languages, operating systems, domain names, etc. In this tutorial we will take the tr term technical meanings and usage. HTML <tr> Tag HTML or Hypertext Markup Language provides a lot of tags … Read more
nslookup is a tool used to resolve DNS name into IP address or IP address to DNS name. nslookup provides a lot of different features during DNS resolution. nslookup command features also provided from different web sites and web applications. In this tutorial, we will talk about these different web sites and their features. centralops.net … Read more
domain is a very popular term used in computer and information technology. Users generally do not know or misinterpret the domain keyword meaning. The domain can be used in different areas of computer science. In this tutorial, we will learn Domain meaning and types with the purpose and difference with the Domain and Hosting. Domain … Read more
Domain Name System aka DNS is used to match domain names to the IP addresses. DNS is provided over the intranet and internet servers with different port numbers.DNS can use both transmission protocols TCP and UDP. But general usage is over UDP protocol because of its simplicity and speed. TCP Port 53 One of the … Read more
Common Name or CN is generally used in SSL Certificates. CN is used to define the server name which will be used for secure SSL connection. Generally this SSL certificate used to secure connection between a HTTP/S server and client browser like Chrome, Explorer, Firefox. Common Name (CN) Common Name is used to specify the … Read more
Google is a huge company that provides paid and free services. It mainly operates in the IT and internet area. The Internet uses DNS in order to solve domain names into IP addresses. Because internet infrastructure works with IP addresses. Google provides free DNS servers that can be used for fast and free domain resolution. … Read more
Hostname is used to name the systems. Normally the computer networks work with IP addresses in order to identify and communicate. But hostname provides human friendly way to name, identify, communicate with other systems. Example Hostname Hostname is just a meaningful word for the system administrators to name a system. For example we can use … Read more
Nginx web server provides a lot of different configuration about the web service. Some of the configurations are used very often. server_nameis one of them which can be miss interpreted. Single Domain Name In the old days internet was so little. There was less site and domain names than today. System administrators were prefer to … Read more
We generally see the term FQDN or Fully Qualified Domain Name and generally, though that is is like secret magic that provides some information about the servers and hosts. No. The answer is no the FQDN provides no secret or magic. We use FQDN in order to specify hostnames in a hierarchical manner. Below we will … Read more
DNS is important protocol for internet. Without DNS protocol we can not use internet effectively. DNS resolves domain and host names into IP addressees where computers and network devices can understand and operate. In recent years DNS is used to block access to the some web sites and domain names. But internet is a free … Read more