If you’re having trouble connecting to the internet or other devices on the network, checking your IP address can help you determine if the issue is related to your network configuration. The ip addr command is used to display information about network interfaces and their associated IP addresses on a Ubuntu system. In this article, …

Are you tired of constantly struggling with network connectivity issues and not being able to identify the root cause? Look no further than the ‘ip addr’ command! This powerful command allows you to view and manipulate your network interfaces, providing crucial information such as IP addresses, netmasks, and broadcast addresses. If you’re unfamiliar with this …

“ping: cannot resolve Unknown host” is an error message that typically appears when the ping command is used to try and reach a hostname that cannot be resolved to an IP address. This can happen for a few reasons: The hostname does not exist: The hostname may have been typed incorrectly or the host may …

“cd: no such file or directory” is an error message that is displayed when the command line interpreter (CLI) is unable to find the directory that the user is trying to navigate to using the “cd” command. This error can occur if the directory name is spelled incorrectly, if the directory does not exist, or …

A network interface is a point of interaction between a computer and a network. It can be a physical device, such as an Ethernet card or wireless adapter, or a virtual interface created by software. An IP address is a numerical label assigned to each device connected to a computer network that uses the Internet …

The “ip” command is a Linux command used to configure and manage network interfaces on a Linux system. It can be used to set various network interface parameters, such as IP addresses, netmasks, and gateway addresses. It can also be used to display information about the current network configuration, including IP addresses, netmasks, and the …

“Command not found” is an error message that is displayed in the terminal when the shell is unable to locate an executable file or command that you have entered. There are several reasons why this error can occur: You may have mistyped the command name. The command is not installed on your system. The command …

The “No route to host” error can occur when attempting to connect to a remote host using the Secure Shell (SSH) protocol. This error usually indicates that a request sent from a client is not being properly routed to the destination host. This could be due to various factors, such as incorrect network settings, the …

FileNotFoundError: [Errno 2] No such file or directory is an error that occurs when a Python program or script attempts to access a specific file but does not find the specified file in the designated location. This generally indicates either that the path to the file is incorrect, or that the user does not have …

When you receive the error message “SSH Permission denied (publickey)”, it means that there is a problem with the authentication process using a public key. This is because the server is not able to recognize the key. The public key is not added to the authorized_keys file on the instance. Incorrect permissions on the authorized_keys …