You can install sudo by accessing the root shell (through recovery mode) and running apt-get install sudo. How do I install sudo if it’s not on my system? Without it, you’d have to log in as the root user, which is not recommended for routine tasks due to security risks. While it’s possible to use Ubuntu without sudo, sudo is essential for performing administrative tasks safely. If it returns nothing, sudo is likely not installed. If it returns a path (like /usr/bin/sudo), sudo is installed. To check if sudo is installed, you can try locating its binary. ![]() How do I check if sudo is installed on my Ubuntu system? The error ‘sudo command not found’ typically indicates that the sudo command is not installed on your system, or it’s not in your system’s PATH environment variable, meaning the system doesn’t know where to find it. Frequently Asked Questions (FAQs) on fixing ‘sudo command not found’ in Ubuntu 1. This gives your new user sudo privileges. ![]() Type adduser newusername sudo and press Enter. Step 2: Add the new user to the sudo group Follow the prompts to set up the new user. Type adduser newusername (replace ‘newusername’ with your preferred username) and press Enter. If none of the above works, you might need to create a new user with sudo privileges. This upgrades your packages, which might fix the sudo issue. Type the following command and press Enter: Let’s use nano, a command-line text editor, for editing. For most users, editing ~/.bashrc should suffice. The ~/.bashrc is typically used for interactive bash shells, while ~/.profile is for login shells. You can choose either ~/.bashrc or ~/.profile for this purpose. Press Ctrl+Alt+T or search for ‘Terminal’ in your Ubuntu dashboard to open a terminal window. Here’s how to do it: Editing the ~/.bashrc or ~/.profile file Step 1: Open the terminal For a permanent fix, you’ll need to add this line to your ~/.bashrc or ~/.profile file, so it gets executed every time you start a new session. However, this change is temporary and will last only for the current session. This command appends /usr/bin to your current PATH. How to list the installed Packages on Ubuntu.How to install OpenVPN to connect to NordVPN in Ubuntu.You can do this temporarily by running the command: If you encounter a negative result, you’ll need to add /usr/bin to your PATH. This absence is problematic because, without /usr/bin in the PATH, the system won’t check this directory for the sudo command, leading to the ‘sudo command not found’ error. Now, here’s what a negative result might look like: /usr/local/sbin:/usr/local/bin:/usr/sbin:/sbin:/bin With this PATH, your system should be able to find and execute the sudo command without any issues. ![]() This output is positive because it includes /usr/bin, the typical directory where the sudo command is located. When you type echo $PATH and press Enter, a positive result would look something like this: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin Here are examples of both a positive (good) result and a negative (problematic) result: Example of a positive result ![]() When you run the command echo $PATH in your terminal, it displays the directories where your system looks for executable files. You can do this by pressing Ctrl+Alt+T or searching for ‘Terminal’ in your Ubuntu dashboard. The PATH environment variable tells your system where to look for executable files (like commands). Checking your PATH environmentįirst things first, let’s make sure the issue isn’t with your PATH. If your system can’t find the ‘sudo’ command, it usually means there’s a problem with your system’s PATH environment or that the sudo package isn’t installed correctly. In Ubuntu, ‘sudo’ is a command used to perform tasks that require administrative or root permissions. Understanding the ‘sudo command not found’ errorīefore diving into the solutions, it’s essential to understand what this error means. Let me walk you through the steps to get your system back on track. As an Ubuntu user myself, I’ve faced this issue a couple of times and have successfully resolved it. This is one of those issues that can be annoying but is usually straightforward to fix. If you’ve landed here, you’re probably facing the somewhat infamous ‘sudo command not found’ error on your Ubuntu system.
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