Grep is a Linux / Unix command-line tool used to search for a string of characters in a specified file. When it finds a match, it prints the line with the result. The grep command is handy when searching through large log files. Grep lets us enter a pattern of text and then it searches …

Ping is a tool commonly used to find the status of a device on a network. Ping is based on the ICMP protocol. When a Ping process request is sent out as an ICMP echo to the target device, it replies with an ICMP echo reply if the device is available. Purpose of Ping command ping …

ICMP type is the first 8 bits in the ICMP message header. It provides a brief explanation of what the message is for so the receiving network device knows why it is getting the message and how to treat it. For example, a Type 8 Echo is a query a host sends to see if …

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 …