![]() Run only specific sudo commands without password Thankfully, there is a solution for that as well. It provides you some options to deals with the changes.īut it’s not a good practice to run all the sudo commands without password. (Q)uit and save changes to sudoers file (DANGER!) > /etc/sudoers: syntax error near line 3 <<<Į(x)it without saving changes to sudoers file When you try to save your changes, it performs a check and notifies if there is any syntax error. The visudo tool creates a new temp file where you can edit the sudoer file using the default text editor. This is why you a dedicated tool called visudo is used for editing sudo configuration file. If you make a syntax error while editing this file, the consequences can be fatal. Now, you may edit /etc/sudoers file manually in a text editor like Vim, however, that is not advised. Of course, you have to replace the user_name in the above command with your user name.Įxit the shell and enter again and you should see the changes reflected. All you have to do is to add a line like this in this file: user_name ALL=(ALL) NOPASSWD:ALL This will open the default text editor (Nano in Ubuntu) for editing this file. Use the following command to edit the /etc/sudoers file: sudo visudo Let’s see how to use sudo with no password.īut first, back up the sudoer file as a precautionary measure: sudo cp /etc/sudoers ~/sudoers.bak Execute all sudo commands without password Maybe, you should disable SSH access with password first. If you are on a server, you should be extra careful specially if you have SSH enabled. In Linux, you can change sudo configuration to run some or all command with sudo but without entering password. This is specially if you are the only user on the system or if you think some commands are okay to run without password. Some users may find it cumbersome to enter the password all the time. Which means that you’ll have to enter the password again if you run a command with sudo after fifteen minutes. The default timeout for the password is 15 minutes (in Ubuntu Linux). When you run a command with sudo, it asks for your account’s password. Most Linux distributions like Ubuntu, Debian, Fedora use the sudo mechanism to allow admin users to run commands with root privileges. Note: using abc123 ALL=(ALL) NOPASSWD: ALL will allow that user account to do a sudo su and switch to the root account without being prompted for the root account's password.Learn how to run some or all sudo commands without entering the password on Ubuntu or any other Linux distribution. The file permissions of /etc/sudoers should be root for both owner and group with -r-r- permissions or 440. the /etc/sudoers file is the security focal point here. What I've described is the best way I know on how to gain no password prompting functionality while maintaining decent security at the same time. What you can do is sudo su and not get prompted for password, along with doing sudo su and su'ing to the root account without a password. I do not know how to undo the password prompt of using su in the above manner but ![]() Simply do this if your user account name is abc123 abc123 ALL=(ALL) NOPASSWD: ALLĪnd best to put this at the bottom of the file so that if said user account is also part of wheel group and that is in effect above that statement doesn't override and undo this if you put this user statement at the top of the file. For example: # Allow root to run any commands anywhere To specify a specific user account, just remove the % and use a user account in place of the group name. You can add a line and make it %users for example to allow any account in the users group this no password functionality, if you use the users group (with gid 100) in that manner.įor the How can I of being just you, the %wheel syntax with the % means wheel is a group. The %wheel means those accounts in the wheel group as defined in /etc/group. simply comment out the first with # and put into effect the line having the NOPASSWD: ALL syntax. for RHEL/CentOS I can't speak for other linux distro's on how they may make use of this. Specifically this: # Allows people in group wheel to run all commandsīy default. In RHEL/CentOS 7 at least, down at the bottom of the /etc/sudoers file you will see the COMMANDS section. This is for using sudo with not getting prompted for a password every time :Įdit the /etc/sudoers file via visudo or sudo visudo How can I log in with the su command in one line in the terminal?
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |