Oct 30, 2017 · Check Sudo Secure Path. To fix this, we need to add the directory containing our scripts in the sudo secure_path by using the visudo command by editing /etc/sudoers file as follows. $ sudo visudo Attention: This method has serious security implications especially on servers running on the Internet.

"John T"'s comment should also include the "-k" parameter, as if you run "sudo -S" without "-k" and sudo authentication cache already has your credentials (and is still valid, default sudo authentication cache is 5 minutes) then bash will run your password as a command instead, which is bad. .bash_profileはログインシェルのときだけ読み込まれ、その中から.bashrcを読み込む。 できるだけ忠実にrootの環境を再現したいときはsu -かsudo -iを使うとよい Feb 23, 2019 · Sudo user in Linux will have permissions similar to a root user. With full sudo privileges, a user will be able to perform any operations on the Linux system. It is very important to categorize a user as a sudo user based on the use case. In this guide, we will look in to the following. Create a new Linux user; Adding full sudo privileges to a user May 17, 2013 · 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 Sudoers File. This file is the seedy underbelly of sudo. It controls who can use the sudo command to gain elevated privileges.

The -S switch makes sudo read the password from STDIN. This means you can do . echo mypassword | sudo -S command to pass the password to sudo. However, the suggestions by others that do not involve passing the password as part of a command such as checking if the user is root are probably much better ideas for security reasons

sudo su lauches su directly with super user privileges, while sudo bash lauches the shell first and then executes the command with bash -c.. The main difference would be that your .bashrc script will be run before executing the su - root command. The outcome depends on that. Use cases: Lauch bash with elevated privilges, using your own password:. sudo bash bash - sudo without sudo, implying sudo in script - Unix An example of dangerous-function script that contains some functions which, I am trying to accomplish without specifying sudo #!/bin/bash start-one() { ## do dangerous stuff with sudo systemctl start dangerous.service } start-two() { systemctl start dangerous1.service } start-launchwizard() { systemctl start dangerous2.service } ## Calling sudo - Wikipedia

I know that sudo bash -c 'some_command' will run some_command with the same privileges as sudo.. I'm confused as to what's happening? Does it run some_command in bash as sudo (same as sudo bash) then switch back to my current user?Why am I not left in an instance of bash with sudo privileges like I would when I run sudo bash?. I tried running man bash and it describes the -c option (quoted below).

The Bash task will find the first Bash implementation on your system. Running which bash on Linux/macOS or where bash on Windows will give you an idea of which one it'll select. Bash scripts checked into the repo should be set executable ( chmod +x ). From the man pages for bash and sudo it seems that the difference may be that sudo bash -l runs ~/.bash_profile, ~/.bash_login, and ~/.profile, and ~/.bash_logout of the root user, but from testing myself it looks like it runs the normal user's .bashrc and not the root one. I may have misunderstood which user the ~ expression is referencing in I have a bash function defined in a global bashrc, which requires root privileges to work. How can I run it with sudo, e.g. sudo myfunction. By default it gives an error: sudo: myfunction: comma