11/7/2023 0 Comments Mac sudo without password"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. Setting "echo "" | sudo -S -v" to a variable instead might also be a good idea, then just run the variable before each command that needs root privileges, see Janar's comment. ![]() shutdown -h now shutdown: NOT super-user sudo shutdown -h now Password: So each time to shutdown system, I should. pmset shutdown Usage: pmset See pmset (1) for details: 'man pmset'.However, I'm thinking using this for scripting purposes, so I'll keep it at the top of all my scripts for best security practices. This method allows you to sudo without entering your password. The following command causes an immediate system sleep. You could also put "export HISTIGNORE=' sudo -S'" in your ~/.bashrc file, then load it with ". Yes, whoami shouldn't take 5 minutes, but I figure might as well have it run before each command for consistency. Note I ran a sudo before each command to ensure that the sudo cache is updated, as the default is 5 mintues. sudo apt install ca-certificates gnupg sudo gpg -homedir /tmp -no-default-keyring. You then give the program root privileges by setting its owner to root and enabling the setuid bit. Ubuntu 18.04 (i386, amd64, armhf, arm64, ppc64el). If you are not the sharing user of the Mac, the sudo command. Note that only the administrator of the Mac can run the sudo command in Terminal. For example, if you need to turn off your Mac, type in the shutdown command line with sudo, just as below: sudo shutdown. In short, you make a tiny program that does what you want. To enter sudo mode in Terminal, you need to run the fixed command with 'sudo'. But the downside of this is that you'll need to be aware of the 5 minute cache.įor example: $ export HISTIGNORE='*sudo -S*' If you want to perform a single privileged task without a password, the best way is probably to use a setuid binary. Another method is to update the sudo authentication credential cache (default is enabled with 5 minutes timeout), then run the sudo separately. The downside to the above method is that if you want to see the commands you ran in the history later on they won't be there. $ echo "" | sudo -S -k bash /tmp/myscript.sh â-kâ means to ignore cached credentials to force sudo TIL: Enable sudo without a password on MacOS For the millionth time, I upgraded macOS to the next major version (Monterey) and I had to search for how to re-enable password-less sudoâing (donât judge me. â-Sâ, means to use stdin for the password, That is the history in memory or "~/.bash_history" file.įor example, the below will safely pipe your password to the sudo command, without "HISTIGNORE" means to not save this command into the history. Then pass your password safely to sudo: $ echo "your_password" | sudo -S -k ![]() Set HISTIGNORE to " sudo -S" $ export HISTIGNORE='*sudo -S*'
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