![]() Test ALL=NOPASSWD: /bin/systemctl restart rvice What if we want to control a service invoked by Systemd? The line below will restart the service called rvice 1 Just putting ‘reboot’ here will not work. sbin/reboot The final part is the path to the command, note that this has to be full path to the program for the command. ![]() The NOPASSWD tells sudo to not prompt for the user test’s password. Test the first part is the username the rule will apply to ALL=NOPASSWD The ALL here denotes which hosts the rule applies to, in most cases this will always be ALL. If the program test-prog needs to run the command reboot through the sudo capable user test add the line Though there are two exceptions.īefore modifying these files make sure the program has a dedicated user with sudo privileges. The name of the file doesn’t matter to sudo, the name’s purpose is to help the admin identify the contents of the file. To allow passwordless sudo you’ll need to create a file in the directory 1įor instance if you wanted to give a program called test-prog passwordless sudo access to a command you could create a file called ‘test-prog-cmd’ in the directory using the command below 1 What I mean is if an attacker were able to get far enough to run sudo on a machine, there are far worse security issues at play. But neither this guide, nor the password prompt before sudo are fool proof security measures. Before making any changes understand the security issues here, the password prompt when running a command through sudo prevents accidental access of administrative level commands. ![]() In those situations there is a way to modify the sudo settings to allow some or all commands without a password. Sometimes the security measures presented by sudo can create issues for service accounts that automatically run administrative commands. Generally this is regarded as a good security measure which allows a regular user to run administrative tasks on the system without using the root or super user credentials. Sudo is a Linux program used to grant superuser access to non-admin users.
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