Whenever you log in to your remote server running on Ubuntu via SSH, you encounter the following SSH welcome screen: This screen is usually shown to users when they connect to a server running on Ubuntu or any other Debian-based distribution. It’s acceptable to have it for a while, but eventually, dealing with a large chunk of SSH welcome text every time you connect to your server becomes annoying. So, in this guide, you will…
There are multiple ways to read the content of a file in Linux. It includes GUI and CLI, and one of the most frequently used is the cat command. What is Cat Command? Cat stands for concatenating, which helps us read single or multiple file content. We can also create a new file by adding some fresh new content using the cat command. The general syntax of Cat Command looks like the one below. $…
If you are a system administrator maintaining a system with many users or a person holding a lot of accounts in your system, then you need to understand the importance of password change. Phishing or malware attacks often leak the user password, which primarily consists of a simple name or birthday. It is recommended to update your password at a specific interval of time to prevent unauthorized access to your account. When adding a new…
Adding multiple users with access control is one of the main advantages of using Linux. Whenever creating new users in Linux, we need to take care of what type of permission or authorization is being provided to that user. In Linux, you can easily create a new user using the useradd or adduser command. Further, you can assign a group to that user (ex: sudo) or set an expiry date on that account, which we…
If a process becomes unresponsive and consumes too many system resources, then it’s time to kill it. In Windows, every process can be shut down easily using a task manager. On Linux, most processes have their own way to shutdown. Few can quit using the q keyboard key, and some use the exit word. Unfortunately, some processes become too obstinate to shut down using any recommended method and do not allow themselves to be shut…
When working on Linux, you fire up one command after another. For example, you edit a configuration file using the nano or vim editors or download files using the wget command and suddenly want to take a look at some other files or need to execute another command. In this scenario, you have two options. First, close the configuration file or cancel copying files, but it can cost you time and effort if you are…