May 04, 2020
Thus sudo -s preserves HOME on Ubuntu, while on Debian HOME is erased and sudo then sets it to the home directory of the target user. You can override this behavior in the sudoers file. Run visudo to edit the sudoers file. There are several relevant options: env_keep determines which environment variables are preserved. You can add the option –remove-home before the username to remove the home directory too: # sudo deluser --remove-home linuxhintuser A new ls on the /home directory will show this time the home directory was removed together with the user linuxhintuser : Nov 13, 2015 · cd / && sudo mv /home /old_home && sudo mkdir /home By default, when you open a terminal window it places you within your home directory. Typing cd / takes us to the root directory and out of home so we can then use the sudo mv command to essentially rename /home into /old_home, and finally create a new, empty /home placeholder. Apr 08, 2020 · The command will create the new user’s home directory, and copy files from /etc/skel directory to the user’s home directory. Within the home directory, the user can write, edit, and delete files and directories. By default on Ubuntu, members of the group sudo are granted with sudo access. If you want the newly created user to have Sep 10, 2012 · The only place (with the exclusion of removable drives and the /tmp directory) within the Ubuntu file system where a user can freely create/modify/remove files and directories without needing root permissions or the sudo command. @MichałŠrajer Eval generally is a codesmell, but it should be safe in this context -- sudo should set SUDO_USER to a safe value (a legal username) and if something runs with a pwned sudo or without sudo but with a pwned environment, then the "whole your program are belong to h3x0r". sudo attempts to change to that user's home directory before running the shell. The command is run with an environment similar to the one a user would receive at log in. The command is run with an environment similar to the one a user would receive at log in.
Jun 02, 2020
Nov 08, 2016 · Sudo -s is a “non-login” style shell. This means that unlike a command like sudo -i or sudo su, the system will not read any environmental files. This means that when a user tells the shell to run sudo -s, it gains root but will not change the user or the user environment. Your home will not be the root home, etc. Another concern is that when you just run sudo command it is using could be using the environment that the user running it has set, this includes the path.. This is customizable in the config file, or via flags, but by default many systems preserve the initial users environment.
A beginner's guide to understanding sudo on Ubuntu
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