My shell works when I login but fails with the shell provisioner. I dont get asked for a password. The shell is the user-written commands interpreter. i cant edit /etc/sudoers (i can but m not allowed to do it , ethically) Be sure to enable auto-login for Windows as the user must be logged in for interactive mode to work. echo "Executing ... cat test.sh In some cases (with Unix/Linux server) you may be able to use sudo command straight after login to change a user, before file transfer session starts. sudo in OS X shell script without password prompt?? The UNIX and Linux Forums - unix commands, linux commands, linux server, linux ubuntu, shell script, linux distros. ... then login via that user and you're able to script it to do the update. I have a certain program that doesn't work right unless I run it as sudo. instead. This simple example demonstrates how the OR operator works in Linux shell scripts. sudo (Super User DO) command in Linux is generally used as a prefix of some command that only superuser are allowed to run.If you prefix “sudo” with any command, it will run that command with elevated privileges or in other words allow a user with proper permissions to execute a command as another user, such as the superuser. Hello Log in as a superuser/root user using the sudo command on Linux . root user command in shell script execute as normal user, shell script problem , sudo mount command. Let us first list all users in the system. To run as another user for a prolonged period of time, use the su command. It is used is used to become another user during a login … sudo rm dummy <<< 'password' Use. In this article we show how you generate an SSH key on your local machine in order to log in to Webdock servers. the above command opens up a new shell, logging me in as user2. In the first case, you'll be in root's home directory, because you're root. ask me for a password. 1. URL="www.google.com" John can update his sudo cached credential using -v option. For example I am creating a user named ‘rahul’. ssh foo.com sudo /etc/init.d/apache2 reloadrsync and ssh don't prompt for a password, because I have DSA encryption... salmo allikm warhmat allah wabrakato Before describing “sudo” command I want to talk a bit about visudo. thanks. i have a requirement where i need to sudo to another user in the shell script.suppose consider user A and B, first user A calls a shell script and then i need to sudo to user B which executes another shell script inside the earlier one. Use sudo on Login. Hi Neo, Thanks for reply, ssh is not an issue here as we are .using pem key as authentication for ssh login which is working fine till that point no issue , script logging into ssh successfully(i broke my code for debug purpose so...ssh login is working fine) only issue is in sudo command..how to mention password along with sudo user name. Another way to switch users or execute commands as others is to use the sudo command. 5- Add user with name , provided home directory and login shell to the system’s users (/etc/passwd file). Make sure you add a -y to the command to prevent it from requiring user … Running: ~# su -c "/bin/touch /tmp/test" testuser would work, but I need a valid shell for the testuser. ssh -t user@server "sudo script" About ssh's -t: ... A simple shell script that updates the system and sends an email with the results. It is probably the best way. for sudo, I've tried everything but seems su doesn't accept input redirection, please help me, it's very... Hi All It looks basically like this: #!/bin/bash Incidentally, you should not really try to force the password in like this. As per the man page, sudo can be used with -l or --list to get the list of allowed … The remote shell executes sudo su - someotheruser. Set up an SSH key. FTP protocol does not allow this. For sudo -s to work you will have to be part of the admin group on an Ubuntu machine, which apparently you are not. Usually, used to quickly execute your script with your home environment from a different login. How can I make a script that tries all the passwords? Member . It also allows the -e flag to remain useful even when being run via a sudo-run script or program. Posts: 206 Blog … This article explains how to use the sudo command from end-user point of view. Other options. chsh Utility. Like su, if no username is specified, it assumes that you were trying to run commands as the superuser. I have a script in which I used "sudo -s" I notice some extremely strange behavior when executing this script. Do you have a clue? ADJenks. More than likely, your login shell is using /bin/bash while the provisioner is using /bin/sh. so following works fine from command prompt. The sudo - Super User Do. 1. Devices are managed by Intune. The location will vary based on the distribution. # useradd rahul # passwd rahul 2. Registered: Feb 2008. The syntax for sudo is:. I have a partition with Aix 5.3 and I install sudo With this one, sudo starts the sh shell, which in turn starts the script in the background thorough nohup. Since username's login shell was nonfunctional, commands like su username, su - username, sudo -u username-s, and sudo -u username-i could not work. Thanks in advance.... Hi Every body, I am not much familiar with unix scripting, please help me out. Soon after completely falls apart. In this case, I would highly recommend you make a new user just for this with minimal permissions and a login shell of /sbin/nologin. Normally i would google, but I did not know how to google the problem I am facing now also being a newbie in shell scripting.