![]() ![]() ![]() Adding the “NOPASSWD” will not prompt and ask for a password when the “ sudo tty” command is run. The Sudoers file deals with passwords and the permissions of the various users present in the system. The solution for resolving the error is to add the “ NOPASSWD” option to your sudoers file. Solution: Add the NOPASSWD Option to Sudoers File The reason that it does not have the password is that it is unable to reach a “ tty” command, and it is also not able to rely on the “ askpass” prompt for an automatic password entry. The executed command will have no controlling terminal. If you installed your gitlab runner from the official apt repositories then your gitlab-runner process will run under the gitlab-runner user. And add your gitlab runner user to the bottom. See SSH inside SSH fails with 'stdin: is not a tty' for a more detailed explanation. If you pass a command to ssh, it assumes that the command doesn't need a terminal and doesn't create one, unless you pass -t. ![]() The build script contains sudo calls for which it does not say 'sudo: no tty present and no askpass program specified'. Open up the sudoers file for editing in your favorite editor. 8 Answers Sorted by: 12 You need to have a terminal available to run sudo so that it can prompt you for the password. When I check out the source code and run my build script, it works fine. This can be used to execute arbitrary screen-based programs on a remote machine, which can be very useful, e.g. binary' From the man page: Force pseudo-tty allocation. The main reason for when this error is invoked is that the user is attempting to run a sudo command but is unable to gain access to the password. Try to replace this: su - devops -c 'sh /path/to/myscript.sh' with this: sudo -u devops -H sh -c 'sh /path/to/myscript.sh' The -c option of su doesnt support interactive mode:-c, -command COMMAND Specify a command that will be invoked by the shell using its -c. I have one build machine which has a user abc which is has limited sudo access. 6 Answers Sorted by: 102 A simple way is to specify -t: ssh -t remotehost 'sudo. For information, let’s check out the main reasoning behind this error. The “ askpass” command acts as a prompt to get the required information (usually a password) from the user. The “ tty” (teletype) command sends data to the system and then shows the output. How to Fix the “sudo: no tty present and no askpass program specified” Error?īefore we get to the reasoning behind these errors, it is important to understand what the “tty” and “ askpass” keywords are. plink user192.168.1.12 sudo nano /etc/hosts Upon typing the password when prompted, I am getting. This article will elaborate on the reasoning behind this error and demonstrate how to resolve this issue. Sometimes when attempting to run a sudo command along with two other keywords that are “ tty” and “ askpass”, a familiar problem can occur with the statement: “ sudo: no tty present and no askpass program specified”. When it comes to Ubuntu, the “sudo” keyword is utilized to execute commands that require the permission of the root user. Note: this is more for the sake of exeprimentation and learning than any practical purpose, I'm not trying to find out how to use sudo with rsync, I've already read all I could find about that.To access and alter many of the core system settings, root user access is required in a Linux operating system. The second solution is to add your connect as user to the sudoers file specifying that no password is required to execute sudo commands. The only way I think of doing something like that would be to use an expect script around sudo, which reads the password from a named pipe, and I would write to that pipe from the other terminal. ![]() That way, I could run rsync in one terminal window on my local machine, and use another terminal window to open a (possibly separate) ssh connexion to the server, and supply the sudo password there. How can I instead tell sudo to read its password from, say, another TTY ? In chroot environments, these other answers may not work correctly. yourExecutable This directs sudo to read the password from the standard input, stdin. So I had to add this to /etc/sudoers (using sudo visudo), which basically gives passwordless full read-write access to the system to the user rsyncuser, which is not to my taste: rsyncuser ALL= NOPASSWD:/usr/bin/rsync sudo: no tty present and no askpass program specified Alternate Answer. 1354561782 2/1: 1 sudo: no tty present and no askpass program specified. But I got the infamous error: sudo: no tty present and no askpass program specified 1354561775 1/5: 1 user1 is not in the sudoers file. Ideally, that command would ask my private ssh key password, then connect, then ask the sudo password for rsyncuser, and then run rsync on the server. I want to setup rsync backups of my server, so I run the following command rsync -r -e ssh -rsync-path="sudo rsync" /backup/ ![]()
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