How to Run Shell Scripts with Sudo Command in Linux

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Linux sudo command
The -u user option causes sudo to run the specified command as a user other than root. Cancel reply Your email address will not be published. When command is not specified you'll get a login shell prompt, otherwise you'll get the output of your command. Once the root password is setup then you can use it here to switch to root account very quickly. PJ Fancher is a professional web developer with 16 years of experience.

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Difference Between su and sudo and How to Configure sudo in Linux

This can be useful in cases when certain programs expect a certain user environment i. The syntax for doing that is:. To run desktop graphical windowing applications as another user, we need to use the gksu command. You would be prompted to enter your password in a graphical window, after which the command begin execution. You could have used the sudoedit command, which is simply a shortcut for sudo -e.

Note that you can change the editor used as described here. If you need to have root privileges for many different commands, sometimes it can be useful to become the root user. This command will only work if the invoking user has the rights for executing the su command also referred to as substitute user , super user , or switch user. By default, without any other command line argument, this will elevate the current user to the root user of the local system. Now you can do a series of tasks that require root user privileges.

Be careful, however, not to wreak havoc with these persistent superpowers. Ask a question and PJ will respond to you. We strive to provide the best advice on the net and we are here to help you in any way we can. PJ Fancher is a professional web developer with 16 years of experience.

He has well-rounded experience with all aspects of web development, from server and database configuration, to scripting, styling, design, and SEO. Today he brings his passion for web development to the team at Digital Brands Inc. Locate the Cmnd alias specification section and add the following:. Save and close that file. Have the user willow log out and log back in, at which point they will be able to now use the sudo apt-get command successfully.

If you have a user you want to give all admin privileges to, the best method is to simply add that user to the admin group. This means all members of the admin group have full sudo privileges. To add your user to the admin group, you would issue the command as a user who already has full sudo privileges:. Once the user logs out and logs back in, they will now enjoy full sudo privileges.

Obviously, you do not want to add every user to the sudoers file or to the admin group. Use this with caution, otherwise you run the risk of jeopardizing system security.

But with care, you can manage what your users can and cannot do with ease. Jack Wallen is an award-winning writer for TechRepublic and Linux. For more news about Jack Wallen, visit his website jackwallen. Can Russian hackers be stopped? Here's why it might take 20 years. How driverless cars, hyperloop, and drones will change our travel plans. How labs in space could pave the way for healthcare breakthroughs on Earth. We deliver the top business tech news stories about the companies, the people, and the products revolutionizing the planet.

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How To Use 'Sudo' And 'Su' Commands In Linux: An Introduction Today We're going to discuss sudo and su, the very important and mostly used commands in Linux. It is very important for a Linux user to understand these two to increase security and prevent unexpected things that a user may have to go through. Today We're going to discuss sudo and su, the very important and mostly used commands in Linux. It is very important for a Linux user to understand these two to increase security and prevent unexpected things that a user may have to go through. Firstly we will see what these commands do then we'll. Your web server and home business are gone! With the sudo command, you have to enter in “sudo” before every command. Thus you don’t have to remember to switch back to regular user mode, and fewer accidents will happen. The Suderos File. This file is the seedy underbelly of sudo. It controls who can use the sudo command to gain elevated .