The SSH authorized_keys file is a file that contains a list of public keys that are authorized to log in to the server. This file is used to prevent unauthorized users from connecting to the SSH server. The primary purpose…
How to list MAC address on Ubuntu Linux is a commonly asked question during a Linux job interview. Here are 3 methods to get the MAC address in Ubuntu Linux. These commands are safe to run without changing anything. …
If you’ve ever wondered how much space a file or directory is taking up on your Linux system, you’re not alone. Many Linux users ask questions like: “How can I check the size of a file in Linux?” or “What’s…
we can use kubeconfig configuration file to store information about different clusters, users, namespaces, and authentication mechanisms. Understanding kubeconfig A context element in a kubeconfig file is used to group access parameters under a convenient name. Each context has three…
SSL Connection error is the most common error between client and server. SSL Connection error tells us that we are unable to make a secure connection with the server. It tells us what the issue is, but what makes it…
SSL_ERROR_SYSCALL typically occurs when the server side is using an SSL certificate to authenticate. This article covers how to fix SSL_ERROR_SYSCALL error in 5 ways. SSL_ERROR_SYSCALL Error $ git clone fatal: unable to access ‘/’: LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection…
“Too many authentication failures” is an error message that can occur when trying to connect to an SSH server. It indicates that the client has attempted to authenticate with the server using too many incorrect authentication methods or keys, exceeding…
Recently we got some questions from readers about how to check the Ubuntu version. Ubuntu is an open-source operating system. There are a few ways to check which version of Ubuntu you are running. In this article, we will mostly…
When the “Too Many Open Files” error message is written to the logs, it indicates that all available file handles for the process have been used (this includes sockets as well). In a majority of cases, this is the result…
If you have been having problems with your remote host identification, don’t worry – you are not alone. Many people are experiencing this issue right now. Luckily, there are a few ways that you can fix it. In this blog…
