If you need to generate a CSR (certificate signing request) for your website, you can do so using the OpenSSL command. In this blog post, we will discuss two methods that you can use to create a CSR using OpenSSL. We will also provide instructions on how to use each method. Let’s get started! What …
Linux
X.509 is a standard format for public key certificates, digital documents that securely associate cryptographic key pairs with identities such as websites, individuals, or organizations. It can be used for authenticated and encrypted web browsing, signed and encrypted email etc. X509 Certificate Version X.509 Version 1 has been available since 1988, is widely deployed, and …
OpenSSL is an open-source command-line tool that is commonly used to generate private keys, create CSRs, install our SSL/TLS certificate, and identify certificate information. This quick reference can help us understand the most common OpenSSL commands and how to use them. How to get an SSL Certificate generate a key pair use this key pair …
The Linux find command is a powerful tool that enables system administrators to locate and manage files and directories based on a wide range of search criteria. It can find directories and files by their name, their type, or extension, size, permissions, etc. Find Command Syntax The general syntax for the find command is as …
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 …
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. 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 …
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 …