How do I give sudo permission to a file?
To use this tool, you need to issue the command sudo -s and then enter your sudo password. Now enter the command visudo and the tool will open the /etc/sudoers file for editing). Save and close the file and have the user log out and log back in. They should now have a full range of sudo privileges.
Who can use chmod on a file?
To change file and directory permissions, use the command chmod (change mode). The owner of a file can change the permissions for user ( u ), group ( g ), or others ( o ) by adding ( + ) or subtracting ( – ) the read, write, and execute permissions.
What is the difference between chmod and Sudo?
2 Answers 2. First the terminology. chmod is a program (and a system call) which alows changing permission bits of a file in a filesystem. sudo is a special program that allows running other programs with different credentials (typically with elevated privileges, most usually those of the root user).
Can a sudo command change the permissions of a file?
The command can accept one or more files and/or directories separated by space as arguments. Only root, the file owner or user with sudo privileges can change the permissions of a file. Be extra careful when using chmod, especially when recursively changing the permissions.
How does the chmod command work in Linux?
Control who can access files, search directories, and run scripts using the Linux’s chmod command. This command modifies Linux file permissions, which look complicated at first glance but are actually pretty simple once you know how they work. In Linux, who can do what to a file or directory is controlled through sets of permissions.
Do you need permissions to chmod a file?
Usually you should arrange for the file to have the right permissions as soon as it is created. If you really need that, you might give the user sudo chmod rights for a particular mode and a particular file (e.g. joe: ALL = (ALL) chmod g+r /path/to/file ).