Internet Control Message Protocol (ICMP), described in RFC 792 and part of the TCP/IP protocol stack, is an error reporting and control-based protocol used between network devices. ICMP messages are encapsulated into IP datagrams, which are then encapsulated into an Ethernet frame. What is ICMP? Internet Control Message Protocol (ICMP) is the utility protocol of …

A makefile is a special file used to execute a set of actions. The most important purpose is the compilation of programs. Make is a dedicated tool to parse makefiles. Most open-source projects use make to compile a final executable binary, which can then be installed using make install. In this article, we’ll explore Makefile …

Internet Control Message Protocol (ICMP) is a network layer protocol that serves the purpose of error reporting and network path diagnostic functions. ICMP messages are sent using a basic IP header. The protocol field in IP header will be set to ICMP followed by the ICMP payload. How does ICMP work? ICMP Packet Structure ICMP …

Internet Control Message Protocol (ICMP) is a network layer protocol that serves the purpose of error reporting and network path diagnostic functions. The Ping and Traceroute utility tools leverage ICMP messages for fault detection and isolation. ICMP messages are sent using a basic IP header. The protocol field in IP header will be set to …

DNS TTL, or time to live, is the element of a DNS record that tells the requester how long the record is valid. If the TTL for our DNS record is set to 24 hours, a browser has will continue to use that same value for the next 24 hours regardless of whether the DNS …

If you’re a gamer, then you know that a fast and reliable DNS server is essential for an optimal gaming experience. In this blog post, we will discuss the best DNS servers for PS4 PS5 and how to optimize your gaming experience. We will also provide instructions on how to change your DNS server settings …

DNS stands for Domain Name System. It is a system that translates domain names into IP addresses. DNS is a crucial component of the internet infrastructure and is essential for accessing websites, sending emails, and other internet-related activities. DNS is extremely important for gaming. A good DNS server helps to reduce latency and improve connection …

The primary purpose of DNS cache is to store the location of web servers that we have recently accessed. The next time when we type in that website address, the browser will look for its DNS information in the local cache first and be able to find the site more quickly. If the location of …

DNS is short for Domain Name System. It is simply a database that links meaningful names (known as hostnames), such as www.howtouselinux.com, to a specific IP address, such as 185.230.63.171. Each device connected to the Internet has a unique IP address. With the system of DNS, we don’t have to memorize IP addresses. DNS records …

We can use the following steps to remove a datacenter in the Cassandra cluster. Check the network connection for TCP port 9042 with this command. netstat -anpl|grep 9042. This is to make sure all the clients are not connecting to this DC. Run a full repair for the data Check the replication factor for all …