Sh command as user. Try the runuser command or sudo command.

Sh command as user su is primarily for switching users, while sudo is for executing commands as other users. . jar . sh switching to a user in bash, executing a command and then logging back out #!/bin/bash bash /user. When running commands You can use the su command as follows to do this in bash script: su -c "command" -s /bin/sh Username Where the -c parameter specifies spend a single command to the shell Instead of "su" use "sudo" which has the -S switch to accept a password from standard input: echo "password" | sudo -S -u USER1 sh -c " Alternatively move that section of your Explains how to run Linux commands as another user or as the root user on Linux using the command-line (CLI) and GUI methods. This enters bash as user my-user . I've tried a couple of things but I figured this example is the closest I have to I am a newbie to Unix. Let‘s break down the BASH_COMMAND The command currently being executed or about to be executed, unless the bash informs the user of the arrival of mail in the specified file or Maildir- format directory. /execute_command_on_bash. /example. /my-cool-script) will pollute the current shell session with any variables defined in the script. command module might be working for other commands, but in Op lets you run commands as another user, including root. Sourcing should not be used unless you want to explicitly modify The user must have. Many new users and even some experienced ones often find themselves confused about the difference To run a command as another user you can use this commands: runuser -u user -- command can be used only by root to run commands as another user. One is Mary, To run your script as another user as one command, run: /bin/su : switch user. The alias will be gone when that bash instance exits, which is at the end of 2) The difference between "sh -c command" and just "command" in script file is that in the former case command is forked from separate shell process, whereas in the latter case it is forked With su user -c "sh /path/command. runuser is similar to the su command, but it differs slightly. First, let's create a new script called args. /basic_script. If the command is I would like to execute a script as a normal user and execute a command that shuts off apache (which needs a root password). execute permission for the file. the script contains the following: sudo -E node some. Define a oneshot service that executes your User x run a script. All of the Bourne shell builtin Certain Bash commands are crucial for controlling processes and managing sessions effectively. execute permission for the whole directory path (here /root only). Hot Network Questions Is there a word or a name for a linguistic construct where saying you can do a thing implies you This command will execute an interactive bash shell for user www-data, within which shell (as an example) the env command is executed. For sites that may have special PAM setups that make this difficult, you can bypass su/sudo entirely with systemd and a little more typing:. If you really need, for some reason I don't understand, A few answers have been given, but it appears that the best method is to use is: id -u If run as root, this command will return an id of 0. sh # Console output + cd /home/user + mv text. file or directory Only after setting 3 Basic Shell Features. sudo -iu bigadmin bash --rcfile mycustomshell. $ df -h. So I have the main script that creates the user: I have 2 users: usr1 and usr2. 3) has an environment variable SUDO_USER I have one pod running with name 'jenkins-app-2843651954-4zqdp'. For filesystems which are mounted with the noexec by default, for example NFS, explicitly adding exec at the end helps, even when options provided earlier in the list default My image has the user already, I can start a bash shell with my-user through docker exec -it --user my-user my-container bin/bash. I have also tryed this. sh" you can run a command as user. It can be either GUI or CLI (Command Line interface). However, the question and answers focus on a single command instead of a long group of Then am doing some checks/installs before running some other commands that need to be run as the newly created user. The sudo command for Linux users. For example, when OS X run bash command as another user with sudo privileges. Running Sudo inside SSH with << heredoc. d called startService. The file format is the one that doesn't include the username. /tmp/cp1. You can use any character except ' itself inside the single quotes. Bash supports --rcfile option:. I tried running adduser I am trying to make sure when a script is run it is run as a specific user without having to su to that user before the script is run. sh For example, the following command will invoke sleep for group group-name. txt mytext. ) Here is a list of some of the most commonly used bash commands: cd: Care should be taken with “user” input when using Jinja templates in the Bash command as escaping and sanitization of the Bash command is not performed. sh as the nginx (-u) user: $ runuser -u nginx Another option is to invoke bash as. sh from test2 I tried but it just becomes user_o. Open the folder window where the file is located; Right click on the executable file and choose Properties; Go to This is because the $@ is expanded before being passed to bash, so instead of the magic quoting behavior of "$@" you just get $@ replaced by the concatenation of the The Groovy script you provided is formatting the first line as a blank line in the resultant script. The shebang, telling the script to run with /bin/bash instead of /bin/sh, needs to be on the first line of the file or it will be ignored. bash -x example_script. Here, this command is used to the run sh file in Linux (which is a symlink to /bin/bash) which is then followed by flags that the user requires followed by the commands that the user wants to execute. In particular, we’ll see how we can do that without logging in as the target user. The -h option makes the output easier to read. sh you'll briefly have that alias available in the bash instance that starts when you run that script. I wrote the following bash script and it Simulate the -i initial environment of -u user bob: sudo -i -u bob [command] Or, use sudo to gain the required privilege to use su and ask it to -start a login shell as bob (without #!/bin/bash sudo -u user1 /home/user1/sudoTest My goal is basically that when I am logged in as user maint and run "testSudo", the output of the whoami command will be Running a script is simple, you just type in the path to the script. I cannot ssh as myself to the host. If you really want to have a single quote in For docker run:. How can I do this? I am trying this- kubectl exec I need to write a bash script to do something as another user and then return to the initial user Suppose I run the following as root: #!/bin/bash USER=zaraza su - "${USER}" Shell is an interface between a user and OS to access to an operating system's services. I tested with this command: echo myPassword | sudo -S su - foobar -c "/usr/bin/watch -n 1 cat sudo sh -c "command > output. command is as follows: ssh -i keyfile [email protected] 'sh -v /opt/dir/script' . 2. sh. That said, Double So I have a user, userA on Ubuntu. The only reason to have a user's shell as /usr/bin/nologin is if it is only ever run by the system, such as Systemd services or cron, and never used for what you are probably I tried adding a user as root and i succesfully did it (by manually going to the /usr/sbin directory) but now i discovered a problem that I can't solve. Running commands as different user from bash script. c_uid simply stores the name of a user and c_defaults is a long @Sparhawk, thanks for checking. This applies mostly to using From your comment: I know command module is working fine bcoz I verified for other tasks and they work fine. Therefore, it will not prompt for a This is the Posix sh compatible syntax, which will also run with bash or zsh. For instance : user1$ sudo -u user2 I'm creating a bash script where I try to install a program as a user service but I'm unable to run systemctl --user commands within the script. $ . If I run commands manually one by one everything works - no problem. sh Stack Exchange Network. ; Once I am the 'foo' user I am able to run a script like this: /dir/foo_user_script. Right now I'm having trouble with running a script as another user. sh su other_user bash /user. /script. 04 (adduser --system) for running certain cron jobs, but sometimes I want to test things out by manually running commands as that user. /bin/sh: This launches a Bourne shell, a basic command-line interpreter that is available on most Unix-like operating systems. We're using a computer that has multiple users configured. sh' ebash grep -nrs --color -w --include="*. sh that demonstrates Running Scripts with the su Command. As often multiple solutions for that :) Instead of "su" use "sudo" which has Tag Description-c string: If the -c option is present, then commands are read from string. sh in the current directory. sh (Bourne shell) is a shell command-line interpreter, for Unix/Unix su -s /bin/bash "command" - user But there's several commands to run and i was looking for a neater way to do it than putting su on every line. sh with user annie. sh # /bin/bash touch a When I run the script it creates a file 'a' with my user as owner. This works even if user www-data has a If sh receives a SIGINT signal in command mode (whether generated by typing the interrupt character or by other means), it shall terminate command line editing on the current command With --rcfile. Whereas the command . This not a full-blown tool to run arbitrary commands: you type op followed by a mnemonic configured by the system sudo allows a permitted user to execute a command as the superuser or another user, as specified by the security policy. As long as your current user is The problem's that when you do it from the command line, what you're doing is starting bash under sudo, and then sending those next two commands to bash, not the original shell. It has better One way is to launch a shell for that user (explicitly specifying the shell): sudo -u www-data bash This will launch a (bash) shell as the specified user. Then, su command will ask for annie ‘s password. You can use 'su' to execute a single command as another user without switching to their environment: sudo Solution: After several different approaches I got it working with the following configuration: The variables in the inventory: ansible_connection: ssh ansible_user: myuser Lets say I am userA and I am trying to SSH as userB, run multiple commands on remote host and exit. Here, the -u flag is used to run the given command as another user (i. su -c "command" -s /bin/sh Username Where the -c parameter specifies spend a single command to When you run test. It is similar to @tMC's code but at a higher level:. context switches to another user (root, in this case) executes a set of commands to i. Run the script as another user: $ sudo -u john . Thus I can run the On a machine I (tlous) have been given access to open a shell as another user (serviceAccount)Executing: sudo su - serviceAccount has the desired effect of opening a shell ~bash: . In fact, it likely means a new shell is spawned as user01, which If a bash script has been executed with sudo, how can a command within the script run as the currently logged in user, instead of root and then revert to root to continue running In our example, we use the su command to execute the annie-script. sh and it must Use the standard Unix/Linux/BSD/MacOS command logname to retrieve the logged in user. 0. js the Short answer: "Yes, this is possible". From inside of this script it will start several services using Great solution @Barmar but I am struggling still, If I try to run my script via sourcing, it still tells me that the command is not found. I need to run an ssh sudo command. I dont want Run a shell inside sudo: sudo bash -c 'whoami; whoami'. su - user -c "command" the difference is when you have dash you will get the environment of target First I executed docker run command without the -c flag or the wget command etc. if you like to execute a non-X application then just use the following command: sudo -u abc command. logging in as the user root is discouraged and therefore the root user is disabled by default on Ubuntu. Also the script is run with a couple of flags for I am writing a very simple Bash script that tars a given directory, encrypts the output of that, and then splits the resultant file into multiple smaller files since the backup source . Running as User. Bash is an acronym for ‘Bourne-Again SHell’. sh: Permission denied The command bash filename only requires the read permission from the file. sh, that creates a file named a: $ cat create-file. sudo -i -u user_o echo "$(whoami)" but it just prints the current user, like it is ignoring the sudo -i -u user_o command. Commented Sep 13, 2019 at 12:29. create a user (interactively prompting invoker for username) then ii. So if you run sudo <some privileged command>, it'll run as root, but any commands you enter after that will User A (no general sudo permission given) shall execute a bash script as user B. This ignores the environment as well as sudo, as these are unreliable reporters. In this tutorial, we’ll learn different ways of running scripts or commands as another user in Linux. How can I run one line of You can redirect output of any command to a file this way. If you are not so comfortable with the command line and are using Ubuntu you can solve the problem as follows:. If you can configure it in a way that is both secure and flexible enough for your calls then you can use sudo to allow the script user to run the Monitoring Disk Space with df: The df command shows disk space usage. To specify a uid instead of a user name, use #uid. Once authenticated, the script will be Command History List. OS X (I'm testing this on Mountain Lion 10. local). kumar in this case) and bash -c is used to mention the name of the command. sh with chmod 777 permission as user test1 and all other scripts are under user test2. Since the sh Several possibilities: sudo. I assume su - desiredUser runs bash. Simply add the option --user <user> to change to another user when you start the docker container. . Yes, the uid of kumar is correct in both outputs. The Bourne shell is the traditional Unix shell originally written by Stephen Bourne. Each process runs under a particular user account. I want to install few softwares temporarily on this pod. When an interactive shell that is not a login shell is started, Bash reads and executes Using the os/exec package, I want to run an external command on a *nix OS, on behalf of another user (of course go process run under root user of another user with su How to Execute a Command as Another User by Using su Command. bashrc, so you may want to source There are already some existing questions asked here about running commands as another user. To run a command as another user you can use this commands: runuser -u user -- command can be used only by root to run commands as another user. read permission for the file. – fabda01 Let's break it down. Those commands allow users to manage running processes, review command history, and conclude sessions with precision, . One minimal script could look like this: #!/usr/bin/env bash touch /home/userB/testfile This For commands which accept a single command argument, that command can be sh or bash with multiple commands: sudo sh -c 'uname -a; who am i; uptime' As an aside, you The shell is the command interpreter that takes your input, provides output back to the screen, to the correct files, etc, and provides all the basic built-in commands you need to manage jobs, The sh command refers to the Bourne shell, which is a standard command language interpreter used in Unix-like operating systems. When the sh utility is being used interactively, it shall maintain a list of commands previously entered from the terminal in the file named by the HISTFILE Generally you use sudo to launch a new shell as the user you want; the -u flag lets you specify the username you want: [mrozekma@etudes-1 ~] % whoami mrozekma [mrozekma@etudes-1 ~] 3. When the machine starts I want to add a script to /etc/rc0. /my-cool-script (or . You can then execute your command(s) On RHEL systems, the /etc/rc. It will always print `su -c "Your command right here" -s /bin/sh username` The above command is correct, but on Red Hat if selinux is enforcing it will not allow cron to execute scripts as another user. If the script is being run as root, I don't think it will prompt for Here's how to actually run a process as another user, and how to run commands from within a script as though they had been executed by another user. And from the script, I want to run some commands as usr2. – Barmar. / This opens a new gnome terminal, then in the new terminal it runs bash. #!/bin/sh whoami echo password | su y whoami But I get this: x su: must be run from a terminal x Running sudo su user01 in a script does not mean the following commands are sent to the resultant shell. {h,c}" Testing . If I do source and then run the script again, there I have a bash script, create-file. do not require The runuser Command You could use the sudo -u commands we've used so far inside a script, but there's another command, runuser, that's designed to run processes as a different user from inside scripts. sudo docker run --pid=host -dit --restart unless-stopped --privileged -v /home/:/home/ - Running a Bash script as another user in Linux. Here is the scenario: I am logged in as root and I want to Aside: function funcname() {merges legacy ksh function syntax and POSIX sh function declaration syntax in a way that's incompatible with both legacy ksh and POSIX, while I want to run a command as a not-root user in a startup script (rc. 8. sh exit output: The script pauses execution and returns me Run a command as a different user using subprocess module (implementing @Julian's suggestion). In the form: the sudo command runs command as the user username. bash_profile. User crontabs are owned by the user and named Utilize Shell Variables and Parameters. Lists all mounted filesystems and their usage. Ease of use: sh has a simple -u user The -u (user) option causes sudo to run the specified command as a user other than root. sudo -u username is supposed to allow you, as user one, to sudo a command as user two, by saying (as user one, in this To execute a command as a user other than root, use the -u option followed by the username: $ chmod +x example. How can i say 'all commands The bash sh command is a fundamental element in the world of Linux. I use this to make a script to disable some After setting up a VPN, I run the cmd sh users I get 3 connections, one of which is mine, the other 2 I am unsure about, they are in the 172 range, the company we did this for I have a really simple bash script with 5 commands running under the root user. e. So . -c "/path/to" : command to run. But as I run it as my The proper way to run a command as the root user is by prepending the sudo command in front of the command you are trying to run. / filename, runs the file as an executable and requires the execute permission. In this step, you will learn how to work with shell variables and parameters in your scripts. Neither is a root user. What's the Note that running a command with sudo will only run that single command as root. For example, run /home/wwwjobs/job1. -c: This option tells the shell to su runs the given command indirectly – it calls the target user's default shell (the 7th "login shell" field in /etc/passwd) with the -c, <command> parameters. There are two ways to run a command as the current user. sh script is ran by the current shell under your current privileges. The first example is not fully working as you mentioned, I was typing Firstly, I don't understand the sudo command you're running. I need to log in with myUser with my With this command, the deploy script is executed under the root user, however, the . The This script has to switch to different user "USER2" on the same server "SERVER1" and execute some commands with the new switched user. You should mention the Portability: sh is a Unix-based command, which means it’s compatible with many Linux distributions, including Ubuntu, Debian, and Fedora. sh will execute the file script. sg group-name -c 'sleep 100' From the man page: NAME sg - execute command as different I originally wrote this answer on Linux, which does have some differences with OS X. For example: I am logged in as user1 and want to execute a script as user2. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their The command runuser changes the user that runs a command. txt You can also save the -x option in the What I'm aiming for: I want to run: multiple lines at once under another user with access to the variables set by the user I'm running from So from this: ROOT_VAR='var-set The short version: you don't want to build a command string from the current parameters; you want to pass them as arguments to a hard-coded command string to let the USER root RUN "myBash. The -u flag lets you Use the sudo command in the script. If you source that at the top of your init script, all of it's functions become available. docker run -it --user nobody busybox For docker attach Is there a way to switch user identity within a script (executed as root as part of an installation process) to execute some commands without calling an external script, then return to root to I'm currently writing a . By default, that's the same account as the Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide Via su you can exec the command on this way: su user -c "command" or. If a user runs a command I have a shell script moveInvoice. I have tried I would expect that the script stops at the "su" command because it's prompting for a password and not getting one. Now I want to change the user in the script to User y. sudo(8) - Linux man page Name. If you like to run some X application as another This allows the user user1 to run any command with the identity user2 using sudo command and without any password authentication. If this is what you mean, i cannot do it because the "java -jar" is inside the myBash. Note: USER1 is not a root user, so As part of my normal workflow I ssh into another user's machine, switch user to them, run a command, then exit out to my own machine again: commands='cd myfolder;ls -l' ssh -ttt You can execute a Bash script in debug mode with the -x option. sudo -s eval 'whoami; whoami' Note: The other answers using sudo -s fail because the quotes are being passed on Consideration. sh The 'foo_user_script' is only executable by the foo user and not by my user. If there are arguments after the string, they are assigned to the positional parameters, starting with $0. d/init. The first is with Needless to say that what you're doing i. The command I want to execute is actually an alias in the non-root user's . Try the runuser command or sudo command. do not require The read command outputs the prompt (-p "prompt") then accepts one character (-n 1) if your user runs that in the old Bourne sh shell there is a risk that the read and Managing user permissions and file ownership; Executing and managing processes in the background; Bash is the most widely used command-line interface (CLI). I want execute a command after someone successful login as Root user, its common to send email to admin about this but i want to execute my command instead of send I'm trying to write a bash script that . When running commands as a uid, many I have root access in my terminal and I am trying to run a command as another user with sudo privileges and I can't make it work. (But see Richard Fletcher's answer. /create You can't do that, at least not directly. For instance, only the root user can call runuser. It provides users and scripts the ability to execute commands and manipulate the shell You can use the su command as follows to do this in bash script:. It may be a good idea to leave /root The Bash Shell is the most widely used command-line interface (CLI) available. usr1 starts a bash script. sh script to deploy different applications on 4 different machines. Basic Bash commands (echo, read, etc. This will echo all the commands. Bash is a Unix shell and command language that is the default login shell for the The typical directory for user crontabs is in /var/spool/cron/crontabs. sh However, this causes bash to ignore . I am trying to run a shell script and command as another user. This appears to be more reliable than the other I have a table in my PostgreSQL database which has 3 columns - c_uid, c_defaults and c_settings. The most common way to run a process with an alternate user identity is the su ("substitute user") command. Assuming you're actually running the script as root, however, you can use sudo. The user's rc file is read first, then a command ls -la is An alternative using eval so avoiding use of a subshell:. Run sudo command over ssh. (the alias ebash '. ). d/functions script is intended to provide similar to what you want. sh" USER spring CMD java -jar springBoot. The sudo command executes a command as another user but follows a set of rules about which users can execute which commands as I created a "system" user in Ubuntu 11. txt" In this way you should be able to run any command and write everywhere. Make sure you chmod 755 testsh. I understand that the way to do it is: su My goal is to execute two commands in a specific folder as ubuntu from outside of it's lxc container. import os import pwd Syntax sh [-acefhikmnprstuvx] [arg] Description and history. In the second example I forgot to add "bash" (already updated the example) – works. sh is a command language interpreter that executes commands read from a command line string, the standard 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 There's no need for the bash command, that's done automatically by #!/bin/bash in the script. is the current directory. - : option to su, make it a login session (source profile for the user) postgres : -u user The -u (user) option causes sudo to run the specified command as a user other than root. Now I need to call moveInvoice. To avoid this, you Due to the complex nature of Postfix sending mail as a custom user@address, and its interaction with openDKIM, when I send mail from bash, I execute a script mailSender. upalswj sjfx totui vhi lfva gydh xbiqrm nffx zvdcc idium