switch user and run command shell script

I used su and sudo for switching between users. Depending on what you are wanting, just add a & to the end of the command, If you are running it in a terminal, and you want to then close the terminal, use nohup or disown. This developer built a…, Policy Change Proposal: “End of Standard Support” for ESM releases is…. What tool do I need in order to remove these pedals? The various dialects of shell scripts are considered to be scripting languages.Typical operations performed by shell scripts include file manipulation, program execution, and printing text. Connect to remote server using the following command, Execute the following commands at remote server. Here's a full example: LFTP also includes a cool mirroring feature (can include delete after confirmed transfer --Remove-source-files): Lets say you want to make a connection to a sftp server and then upload a local file from your local machine to the remote sftp server. Is there a link between democracy and economic prosperity? You can use sshpass for it. I'm writing a shell script where the user needs to be changed half-way through then some commands are run by this user. HOWEVER - configuring sudo to allow a user to run su allows them to become any user. I heard the su command will do that work but it prompt for the password. and it will not stop processing even when you close your ssh connection while beeing at 1st screen. How can I run a shell script in background? The problems here is that it exposes your password in plain text in the file as well as in the command history. Is it ever worth it to refinance an auto loan for a higher APR? How to travel to this tower with a gorgeous view toward Mount Fuji? No values need to be typed. Can I connect to running autostart python script? rev 2021.3.12.38768, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide. It only takes a minute to sign up. Set execute permission on your script using chmod command : chmod +x script-name-here.sh; To run your script :./script-name-here.sh Another option is as follows to execute shell script: sh script-name-here.sh OR bash script-name-here.sh; Let us see script examples and usage in details. Execute the following command at local server to test password-less authentication. Then it goes to the directory where you want to upload your file, in this case "logdirectory", This uploads a log file from the local directory found at /var/log/ with the files name being file.log to the "logdirectory" on the remote server. SSH to multiple server and then sftp and copy the file to a server? How to specify the private SSH-key to use when executing shell command on Git? If you set it to "Run whether user is logged on or not" it will hide the command window. How can I get the source directory of a Bash script from within the script itself? You can use a Python script with scp and os library to make a system call. If you start your script with root permissions but need to run certain commands as a specific non-root user you can use sudo with the -u option to either run a single command with e.g. More: https://superuser.com/questions/476709/quickly-switching-between-virtual-sessions-screen. example : sftp --password="password" "userid"@"servername". This command enables one to run a command in the context of another user account. I was able to do a one-liner to dowload a log file: @gorus: One-liner is very cool however I didn't want to use password on command line because of enhanced snooping risks. I have used expect to automate the password prompt. arXiv article says that code has been made available with the article, but I cannot find it, Add the Remote IP to your known-host file if it is first time mstsc /f Run command for specifying the remote computer name from the command itself. Run command for opening remote desktop session in full screen mode. Press ENTER for all options prompted. – baumgart May 22 '12 at 15:39 Thanks for your answer, I had expect as one of my options for achieving this task. This developer built a…. Recommendations for OR video channels (YouTube etc). How can I check if a directory exists in a Bash shell script? I was recently asked to switch over from ftp to sftp, in order to secure the file transmission between servers. rev 2021.3.12.38768. If that is not what you are after, please be more specific in your question. Why heredoc does not work for sftp password? Ask Ubuntu is a question and answer site for Ubuntu users and developers. Use /v switch in this case. Please, a minor question: I am trying to use your script with my own program (calling a .lnk file that executes a Windows shell .exe), and I can not set my preferred icon, as I always do with any .lnk file.This is: the icon gets assigned to the .lnk, but during the execution (after accepting UAC prompt) the running window has the usual CMD icon. However this will require you to pass the password on command line and anybody on the system doing. Create a file put-script: open sftp://user:password@host; put local-file.name; exit Than run lftp -f put-script This way you do not have to have the username and password in a command line and can set up restrictive permissions to your script file. Transit in PTY on separate tickets, what happens when you miss the flight? Does either 'messy' or 'untidy' necessarily imply 'dirty'? I am using SUSE11. You can specify that only particular users can run the command (in the examples above, replace username with the username who should be able to run the command). I need to switch between two users using a shell script. I'm using this to enter the passphrase for ssh private key. Asking for help, clarification, or responding to other answers. I need to transfer a log file to a remote host using sftp from a Linux host. Yes, you are right, but can be useful for other ones looking for alternatives for their problems. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. When I right click on the script, I am not given that option. The question is about using a password authentication, not a public key authentication. How to Run Shell Scripts with Sudo Command in Linux Aaron Kili October 30, 2017 October 30, 2017 Categories Linux Commands 4 Comments sudo is a powerful command line tool that enables a “ permitted user ” to run a command as another user (the superuser by default), as defined by a security policy. -u user The -u (user) option causes sudo to run the specified command as a user other than root. Create a file. +1 for your answer but question was about doing it without public/private keys. If the executable you want to run is only executable by one particular user, that's fine too - just pass that username in the sudo -u username commandline line of the script. Understanding the behavior of C's preprocessor when a macro indirectly expands itself. One example scenario where this could be useful is: Suppose you have both a normal user account and an administrator account on a computer and currently you are logged in as normal user account. How to run mysql commands through shell script? Execute the following commands at local server. https://superuser.com/questions/476709/quickly-switching-between-virtual-sessions-screen, State of the Stack: a new quarterly update on community and product, Podcast 320: Covid vaccine websites are frustrating. I wonder if I were to add this to my environment variable as alias or a function, would it be secure and possible to hide it from other users? How do I set a variable to the output of a command in Bash? Because the issue is related. Is there a more modern version of "Acme", as a common, generic company name? If you set a Scheduled Task to "Run only when user is logged on" and you are logged in as that user it will display the command window when the task is executed. How do I exit a process in terminal without killing it? web server is apache. What is the origin of idiom wrap someone in cotton wool? I need to run some commands which requires sudo. When script started on 2nd, switch back to 1st and do whatever you want. I found your answer through a search, used it and built a script successfully with expect. You can use lftp interactively in a shell script so the password not saved in .bash_history or similar by doing the following: And write/quit the vi editor after you edit the host, user, pass, and directory for your put file typing :wq .Then make your script executable chmod +x test_script.sh and execute it ./test_script.sh. In a collision shouldn't objects of different mass have same acceleration? ctrl+a, c will create a new "window" in your active screen session. Join Stack Overflow to learn, share knowledge, and build your career. To learn more, see our tips on writing great answers. A shell script is a computer program designed to be run by the Unix shell, a command-line interpreter. What is the origin of idiom wrap someone in cotton wool? So is there a way to run the sftp command (with the username/password provided) from inside the Bash script through a cron job? How to send password using sftp batch file. Below is a sample code for war coping to remote tomcat, ssh-keygen -t rsa -b 2048 (local machine), create a rule in crontab to automate your script. For Ubuntu -> ssh user@IP -> enter 'yes', give a combined command of scp and sshpass for it. I can do this for one command (e.g. Thanks, @Anders. I was wondering how to run a command as another user from a script. Which nearly defeats the purpose of having a password in the first place. Create a shell script named input.sh and add following content. Just posted the script for poterity, Thank you so much for you answer, I have already upvoted it :). How to connect with SFTP server for automated shell script, Unable to transfer files using sftp from one linux server to other linux server, How to supply securely username and password to SFTP Host in a Bash Script, Transfert SFTP in Shell script without prompting password. So if anyone could help me throw in some kind of wait command after the mailbox is created and wait until the user's mailbox is created before the script disables ActiveSync, etc it would be really helpful. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How to run the sftp command with a password from Bash script? Hi, I need to switch from local user to root user in a shell script. You can override by enabling Password less authentication. Why might radios not be effective in a post-apocalyptic world? Is there a more modern version of "Acme", as a common, generic company name? How do I parse command line arguments in Bash? Making statements based on opinion; back them up with references or personal experience. I have a shell script which needs non-root user account to run certain commands and then change the user to root to run the rest of the script. Setting cron to run a shell script: random wallpaper from a webpage, Can I run a shell script with different profile preferances of Terminal. How to reload .bash_profile from the command line? How is a person residing abroad subject to US law? I also have the following command being run within the script to run the command as the hudson user: su -c command hudson Is this the correct syntax? How to execute a program or call a system command from Python. By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. – obaranovsky Nov 6 '15 at 1:03 Who started the "-oid" suffix fashion in math? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. hi, i want to execute a shell script as a different user. This is what I want to work. You have a few options other than using public key authentication: If you decide to give sshpass a chance here is a working script snippet to do so: The disadvantage of this method is that other users on the computer can read the password from tools like ps and that the password can become part of your shell history. I usually just shift+right click > "launch as a different user" on either the script or on my powershell shortcut. I have the script's owner set as root. I have been provided credentials for the same from my operations group. read command is used for getting user input in a Linux shell script. Runas is a very useful command on Windows OS. We are using Tectia SSH package, which has an option --password to pass the password on the command line. However, since I don't have control over other host, I cannot generate and share RSA keys with the other host. Is a comment aligned with the element being commented a good practice? A more secure alternative which is available since LFTP 4.5.0 is setting the LFTP_PASSWORDenvironment variable and executing lftp with --env-password. 2nd screen will be in the background as extra "terminal window". This opens a sftp connection with your password to the server. -p switch with read command is used for showing some helpful text on-screen. : What do you roll to sleep in a hidden spot? Security says only run within a browser and its access to commands and filesystem is limited. You can switch between multiple windows (as Ansgar indicated) with ctrl+a, n for the next window, and ctrl+a,p for the previous window. Ask Ubuntu works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us, What if I for example need to run 2 scipts and then I want to run. I know the password; is there a way I can hard code it in the script itself, so that it will not prompt the user for a password? How do a transform simple object to have a concave shape. sudo -u USERNAME whoami # outputs USERNAME's user name or start a subshell and run your commands in it, e.g. Need to add a “Wait” command to a Powershell script. Connect and share knowledge within a single location that is structured and easy to search. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. su - X -c "echo 'stuff'"), but doing this for more than one command is proving to be a problem - how would I do this? Who is the true villain of Peter Pan: Peter, or Hook? Shell Script - How to run script after mysql is ready? To overwrite existing file, add "set xfer:clobber on" after lftp<