![]() Password: (enter here the password of the root user that you specified during your Debian installation, and press Enter) If you like sudo and you want to install it (even if you skipped it during your Debian installation), you can, but in the way without sudo, so, becoming root with the su command, installing it, and adding yourself in the sudo group and doing a full logout/login. However, this situation only happens if you have set a root password during your Debian installation. Some new Debian users, usually coming from Ubuntu, are shocked by problems like "sudo not working in Debian". ![]() Sudo is also an effective way to log who ran which command and when. The basic philosophy is to give as few privileges as possible but still allow people to get their work done. Sudo (sometimes considered as short for Super- user do) is a program designed to let system administrators allow some users to execute some commands as root (or another user). On successfully entering the root password, you get a shell to execute commands with root access.Translation(s): العربية - English - Español - Français - Italiano - Русский If you invoke su command without an option it prompts you to enter a password. Basically, it allows you to run commands with another target user and it asks for the password for that user. Commonly used to switch to an administrative account. The su (substitute user) command lets you switch to a particular user in the shell without logging out from our current session. During Ubuntu installation, a user account is created and added into the sudo group, instead of root account. For this reason, in some Linux distributions such as Ubuntu the root user is disabled by default. In Linux system, it's not recommended to run commands as root user as it may invite accidental changes to the system. For example, on an Ubuntu Linux distribution, sudo does not ask for a password for 15 minutes. By default, this command asks for the current user account’s password for the first time and then remembers the password for a specified amount of time. It protects your system from intentional or accidental damages. Sudo provides complete logging of the tasks performed by the user. The system administrator does not need to share root password with any other user. Sudo helps keep your system secure by enforcing the best practices and limited access. Why Prefer to Use Sudoīoth sudo and su commands provide root user access, but it is a good practice to use sudo, instead of the su command because sudo does not open the entire system to security threats. For the sudo command to work, the current user must be in the sudoers list or sudo group. Sudo configuration file allows users to run specific programs with root privileges. ![]() The main difference between sudo and su is that su switches to root and requires root password whereas sudo runs the command with root privilege with user personal password. In this tutorial, we learn about the differences between Sudo and Su and how to use these commands. When a normal user requires administrative changes, you can use sudo or su command in Linux. Root privileges are required to perform certain tasks such as installing software, adding users and changing ownerships, etc. Sudo and su are commonly used to run command with root permissions.
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