What is the difference between sudo and Sudoedit?

sudo vim /etc/services is telling the shell to use vim editor in superuser privilege to edit the file given. Whereas, sudoedit /etc/services is telling the shell to use whatever editor is stored in the EDITOR environmental variable to edit the file using super user privileges.

Is Sudoedit safe?

it is not secure. DO use sudoedit instead (very carefully because lots of files can be used to gain root privileges !)

What does sudo vi mean?

The vi /path/to/file command also works if the file doesn’t exist yet; Vi will create a new file and write it to the specified location when you save. Remember to use sudo if you want to edit a system file. So, for example, you’d type sudo vi /etc/fstab if you wanted to edit your fstab file.

Is Sudoers a file?

The sudoers file is a file Linux and Unix administrators use to allocate system rights to system users. This allows the administrator to control who does what. Remember, Linux is built with security in mind. When you want to run a command that requires root rights, Linux checks your username against the sudoers file.

How do I edit a file with sudo?

Replace /path/to/filename with the actual file path of the configuration file that you want to edit. When prompted for a password, enter sudo password. Then edit the file using Vim editor. Note that when the editor opens, you enter command mode.

What is Sudoedit used for?

Sudoedit is a built-in command that allows users to securely edit files. According to the sudo man page, ‘sudoedit’ is equivalent to executing ‘sudo’ with the ‘-e’ command line option.

What is Vim mode?

vim has two “modes”: COMMAND mode and INSERT mode. In COMMAND mode, you execute commands (like undo, redo, find and replace, quit, etc.). In INSERT mode, you type text. There is a third mode, VISUAL mode, that is used to highlight and edit text in bulk.

What is Yank in Linux?

The command yy (yank yank) is used to copy a line. Move the cursor to the line you want to copy and then press yy. paste. p. The p command paste a copied or cut content after the current line.

What is sudoers D file?

The sudo command allows non root users to run commands that would normally require super user privileges, while the sudoers file instructs the system how to handle the sudo command.

What is ETC sudoers file?

Introduction. The /etc/sudoers file controls who can run what commands as what users on what machines and can also control special things such as whether you need a password for particular commands. The file is composed of aliases (basically variables) and user specifications (which control who can run what).