The ssh known_hosts file is a file that stores the public key of all of the servers that you have connected using ssh. This file is used to verify the identity of servers in the future. Ssh can automatically add keys to this file, but they can be added manually as well. In this article, …
If you’ve ever tried to connect to a remote server using ssh, and received an error message that says “Host key verification failed,” you know how frustrating it can be. This article will show you three ways to fix the problem. What is a Host Key in SSH? A Host key is a unique identifier …
Recently we got some questions from our readers about how to find IP address in Linux. To address these inquiries, we’re dedicating this article to explore the various commands and tools available in Linux for discovering your system’s IP address. From Wikipedia, IP address is a numerical label assigned to each device in a computer …
DNS is a system by which a browser or other software converts a domain name to a IP4 or IP6 address. Each time we access a website the browser needs to convert the domain name to a IP4/IP6 address using a DNS server. The DNS server configured on our computer could be automatically selected by …
Whether you face cold landscapes on your way to work or you love being outdoors during wintertime, cold temperatures can cause serious discomfort. There’s nothing worse than wearing a scarf, a hat, gloves and many layers of clothes and still feeling the cold creeping into your toes. So how do you keep your feet warm …
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Here is your guide to keeping warm this winter. We have a selection of tips to help you stop shivering in the cold winter months. From keeping the draughts out and keeping the heat in, to keeping an eye on friends and neighbors. Keeping warm over the winter months – Useful information from Help The …
A wildcard certificate is a specific form of the certificate used in TLS/SSL instances. It is a single certificate with a wildcard character (*) in the domain name field. This allows the certificate to secure multiple subdomain names (hosts) pertaining to the same base domain. For example, a wildcard certificate for *.(domainname).com, could be used …
This article is part of the following series. 4 ways to list files within a rpm package in Linux 3 ways to Check RPM package dependency in Linux How to use yum to list All versions of Package in Linux 5 ways to list installed packages in Linux The default behavior of yum is …
This article is part of the following series. 2 ways to Create New User with home directory in Linux 4 Ways to Find User Home Directory in Linux 3 ways to change user home directory in Linux In Linux, the home directory (also called “home” or “home folder”) is a directory designated for a …