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• #Full form of sudo in linux install

This line enables sudo logging to /var/log/sudo.log file. To enable sudo logging, you can add following line to sudoers file − Defaults logfile=/var/log/sudo.log By default, sudo command logs all commands executed using sudo to /var/log/auth.log file. The sudo command can also be used to log user activity.

This line grants user "john" access to "ls" command with elevated privileges. To grant a user or group access to specific commands, you can add following line to sudoers file − user/group ALL=(ALL) /path/to/commandįor example, to grant user "john" access to "ls" command, you can add following line to sudoers file − john ALL=(ALL) /bin/ls sudoers file is located in /etc directory, and it can be edited using visudo command. The sudoers file is configuration file used by sudo command to control access to specific commands. Advanced Usage of Sudo CommandĪpart from basic usage, sudo command can also be used to perform advanced tasks such as controlling access to specific commands, logging user activity, and restricting access to specific files or directories. This command will execute "ls" command as user "john" with elevated privileges, ensuring that system is secure. For example, to run command "ls" as user "john," you can use following command − Running a Command as Another User sudo command can also be used to execute a command as another user. This command will open "hosts" file with elevated privileges, ensuring that system is secure. For example, to edit "hosts" file, which is located in /etc directory, you can use following command − This command will change permissions of file "file.txt" to 644 with elevated privileges, ensuring that system is secure.Įditing System Files sudo command can be used to edit system files that require elevated privileges. For example, to change permissions of a file named "file.txt" to 644, you can use following command −

This command will create a new user named "john" with elevated privileges, ensuring that system is secure.Ĭhanging File Permissions sudo command can also be used to change file permissions on Linux. For example, to create a new user named "john," you can use following command −

#Full form of sudo in linux install

This command will install Apache web server with elevated privileges, ensuring that system is secure.Ĭreating a New User sudo command can also be used to create a new user on Linux. For example, to install Apache web server, you can use following command − Installing a Package sudo command is commonly used to install packages on Linux. k, -reset-timestamp: This option resets timeout for sudo session. l, -list: This option lists commands that current user can execute with sudo. u, -user: This option specifies user as which command should be executed. s, -shell: This option runs shell specified in SHELL environment variable. i, -login: This option logs in as target user, just like su command. options that can be used with sudo command are − The are optional, and is command that you want to execute. The syntax of sudo command is straightforward. This feature ensures that system is secure and prevents users from making changes to system that could damage it. The sudo command is used to run a command with elevated privileges without logging in as a superuser. It is often used to perform administrative tasks that require elevated privileges. Sudo command is used to run a command as a superuser or another user with necessary permissions to perform task. Sudo stands for "SuperUser Do," and it is a powerful command in Linux that allows users to execute commands with elevated privileges.

This article will explore sudo command in Linux, its usage, and different examples of its application. sudo command allows users to execute commands as a superuser or another user with elevated privileges. One of essential tools in Linux is sudo command. You can find yourself in a situation where everyone is accidentally locked out of using sudo.Linux is a powerful operating system that provides users with a command-line interface to perform various tasks. You can cancel and abandon the changes, go back and edit the changes again, or force the incorrect edits to be saved. If your edits don’t pass the tests, the file isn’t blindly saved. It also performs syntax checking and parsing on the file contents as you save them. The visudo command prevents multiple people from trying to edit the sudoers file at once. It is vitally important that you only ever do so using the visudo command. To add users to the list of people who can use sudo, you need to edit the sudoers file. The exit command returns you to your normal user account session.