Bash script execute commands after ssh. Here is what i have written: .

Bash script execute commands after ssh You could run screen via ssh to start the command (concat. This is the command I use: I do have new lines embedded in my shell script after every command. For some strange reason, the ssh-command breaks out of the while-loop, therefore the first missing directory is created fine, but all subsequent missing files/directories are ignored. I have to hit ctrl-c to exit the script. sh - #! /bin/bash # ssh_exp <commands> ssh_exp { . currently this is what i have so far: #!/usr/bin/expect -f spawn ssh root@sc expect "assword:" send "password\r" expect "#" send "cd /data2/someDirectory\r"-----> don't see this command being executed and the output Like @Diego Torres Milano said, you would need to write a script locally that could do the interactive part, then invoke that via a remote script. Following Double SSH and execute interactive shell, I need to run two type of loops after two ssh commands: #!/bin/bash/expect ssh -t -t server. All is fine except when I do it in a while loop. For a long time I thought this was some kind of ksh weirdness, but I now discovered bash does in fact behave identically. exp. bash script to ssh multiple servers in a Loop and issue commands. Execute Perl script on remote server from local machine. . The command works when executed separately via SSH command line. sshpass -p pass ssh -t [email protected] 'ls; bash -l'. ) debug1: Authentication succeeded (publickey). Change your "Execute the script" task to - name: Execute the script command: sh /home/test_user/test. However, everything after the first ssh seems to be executed after I close the ssh conection while I would like ssh servername2 to be executed into the ssh session. So read line only gets to see the very first line of the input. Probably will only work if the remote host is set up to allow password-less sudo for user xijing, but none of my hosts are set up that way, so I can't test (you host ggzshop probably can't / shouldn't be set up that way, either). Then exit to come out of remote session and continue on local session. This works: ssh user1@server -t "cd /home/user2; bash --login" None of the following work: ssh user1@server -t "cd /home/user2; bash --login -c 'source /home/user2/. What this does is essentially log you into the remote computer with the listed command as your shell. ssh using bash script for several nodes. Rankin From the MobaXterm User Manual entry about Execute Command: Specified command will be executed on the remote server after connect. Viewed 1k times 1 I sometimes use ssh to run multiple commands on a remote host like this: ssh my_user@my_host "command1; command2" utilizing double quotes to send both commands to the remote machine. In this article, we will see different ways of running remote commands locally using ssh. sh For an encore, modify the shell script so it reads options from the command line or a configuration file instead of from stdin (or in preference to stdin). If instead of using rsync over SSH, you can run an rsync daemon on the server. sh file and execute it The ssh command does not run from inside a bash script, but it does run from the shell. Remember to replace 'pass' with the server password and 'user' with the I have a script test. exe is started, but due to the complexity of the script in question, this just ends up in endless recursion every time no matter how I try to fix the situation. login depending on your login shell). Also change the permission of keyfiles (id_rsa, id_rsa. The ssh command can take additional arguments of commands you want to run via the SSH connection. ssh. When I execute the loop, ssh command works fine for host1, but for host2 I see: bash: host2: command not found Could you tell me where can be the problem? bash; Share. sh executes all the commands in script. Cannot execute the sshpass command after the the first sshpass is excuted. txt It will only execute cat when you logout of the user tom. txt will, in your case, contain a path to your shell script, like: /home/user/myscript. For preserving local filesystem storage, each script, after it has been modified with user content (for cronjob that could be the command and cron expression) is represented Hello, I am running into few issues, please suggest me what I am missing. 0. #!/bin/bash # Define your function myfn { ls -l; } but I have a lot of installation scripts that just copy themselves over using ssh. so yes. The real problem is I am putting this command in . (or make it executable on the remote host and you can drop bash) – David C. You can either join commands with ; or have them on separate lines: command1; command2 or . So once your command finishes, so does the session. (Some programs don't like having stdin closed) while read line do ssh server somecommand </dev/null # $ cat remote-box-commands. sh; testme" But I keep getting testme command not found. I want to do this flow :-> ssh to server (using key)-> go to specific directory-> more file. sh that will do the following steps - Run few commands; Call another shell script b. bash_profile. I've heard multiple answers of rights and wrongs and I still don't know if its possible. Bash Script Quits After Exiting Run the command directly, like so: ssh -t host4 bash . Makes it block on attempting to read input, and; Makes the shell not wait for its completion. Expect script for remote SSH login and executing commands. sh file and then executing this shell script. sh but, after completion, the terminal stays inside the VM, irregardless of whether I have the exit command The point is that you ned to pass the script you want to run as a parameter to ssh. com ssh -t -t virtualHostName '" declare -a arr=(" Bash script: for loop after two ssh commands. Using nohup (no hang-up): The nohup command allows a process to continue running in the background even after the SSH session is disconnected. Commented Mar 1, How to run a script on ssh login and run another script after the first terminates? 1. cat script. Ask Question Asked 6 years, 8 months ago. #!/bin/sh ssh -t -t rxapp@$1 'if [$? -eq 0 ]; then echo "SUCCESS" sudo /etc/init/ntp $2 else echo "FAIL: Couldnot connect to remote server" fi' Here $1 and $2 are given on command line . sh`seems to expand to eval #!/bin/bash echo It's quite simple: ssh [email protected] 'bash -s' < local_bash_script. But, for security's sake, you don't want to do this for root users! SSH commands via bash script. How to ssh to multiple servers and run You can pass a script and have it execute ephemerally by piping it in and executing a shell. Hot Network Questions I would like to execute a ssh command and pipe the output to a file. chmod 600 id_rsa. My loop runs just once when I run the SSH command, however, for SCP it runs for all servers in the text file and exits, I want the loop to run till the end of text file for SSH. On the other hand sole ssh bla@bla allocates a This script performs this operations: 1° catches first line #! to get interpreter (i. For example, a task to Reload Apache might look like this: What I want to achieve using a bash script is, using a loop, ssh to servers mentioned in a file ( this is done ) execute update and upgrade command on each of them. Once fabric is installed, you'd create a fabfile. I want to ssh to a node and run a command there and then exit. ssh -t jobs@backup sudo /scripts/backup. We learned the usage of commands like ssh for the Linux variant and plink for the Windows variant machines for remote server management. 4 username password $* } # run commands on host machine here ssh_exp ls ssh_exp ls -la ssh_exp echo "Echo from host machine" # you can even run sudo commands (if sudo I am looking to script something in batch which will need to run remote ssh commands on Linux. Commented Apr 4, 2018 at 16:58. Main idea of this script is to, login to each host via ssh and get uid of user, service user that I trying to run this script, has already deployed ssh keys and provide sudo (8 Replies) To check if there was a problem connecting and/or running the remote command: if ! ssh host command then echo "SSH connection or remote command failed" fi To check if there was a problem connecting, regardless of success of the remote command (unless it happens to return status 255, which is rare): I am trying to execute a command in a remote machine and get the output. I'd change the script and would run the ssh command with the the command to execute. I can login successfully, but 2 or 3 seconds later, it automatically logout me from the remote server. For preserving local filesystem storage, each script, after it has been modified with user content (for cronjob that could be the command and cron expression) is represented I want run some commands right after login into remote server. Execute the commands we want. This method will run a single script using sudo after ssh: Let's assume we have a "remote" user with sudo capabilities and we have a script we want it to execute as root. I am creating a restricted user without shell for port forwarding only and I need to execute a script on login via pubkey, even if the user is connected via ssh -N user@host which doesn't asks SSH server for a shell. I guess this has something to do with ssh writing something What the -m does is, that it makes PuTTY instruct the SSH server to start that command(s) INSTEAD of a shell. sh ssh-session will be closed immediately. But ssh is not one of them, it's a regular command. Now your script builds the command in the for loop, but doesn't execute it. secrets pre-xfer exec = General observations. /ssh_util. pub) as 600 for public key and 400 for private key for security of modification. Then I execute two commands on the server: first the thing I wanted to do prior to opening the interactive shell (in my case, changing directory to a specific folder), and I have a bash script I'm using to connect to a remote server via ssh. Here is a simplified example that illustrates what I have tried: If you have this command. My script will then terminate the ssh session. at the end of the file add below code. bashrc but for those who logs out i was doing the same but with . ssh/authorized_keys (see OpenSSH) , if you're using dropbear it's a bit different. But for that to work you also need the system-wide option (in /etc/ssh/ssh_config) PermitLocalCommand to yes. expect 192. Also i cannot use any other tool, i cannot bring/install anything on this machine, only useable tool is GNU bash, version 4. It will have the interpreter to continue executing the next command in a #!/bin/bash USER='scott' PASS='tiger' ssh -t [email protected] "sudo su - http" This Works, but I was trying to get it to run a script afterwards, and if I do, using -c or < The script does a grep like this: @MattiaRasulo What do you call “an EOF series of commands”? Do you mean commands given in an “here document” (<< _FOO_ _FOO_)?I guess you can wrap that with a "$(cat )" to give its contents to ssh as its first positional parameter, but then why not directly write the commands in a string (like in the example from my answer, but possibly with " instead of ' if need be) In my shell script I am running a command which is asking me for input. If you want to execute something on a remote server after ssh logging in, just create ssh rc file. You can also choose to run Very similar with Run a command in an interactive shell with ssh after sourcing . You can create a bash alias as well so that you don't have to run the whole command again and again. But this is not getting successful. If you want to run a script after any user logs into your # if the user has not You press ctrl-Z. For example, in /etc/rsyncd. And of course it doesn't easily @davidlt: when constructing an SshShell, there is now the option to set the shell type. I want to run a postgres command with ssh that pipes a local file. To avoid waiting for ssh to return, write a & at the end of the ssh line. sh | ssh me@myserver /bin/bash Cheers! I am using bash script to execute command line with pipe after SSH. ls ; bash above) the SSH server will not provide a pseudo-terminal. I have automated login using expect. You could do that by I'm currently trying to ssh into a remote machine and run a script, then leave the node with the script running. sh and it should do it. The system suspends the running program, displays a job number and a "Stopped" message and returns you to a bash prompt. This means that: The whole ssh line is normally parsed by your local shell; characters like |, ;, *, ", $ or space mean something to the shell, they won't get to ssh, unless you quote or escape them (with few These commands work fine on there own but together in the script it just hangs. I sometimes use ssh to run multiple commands on a remote host like this: ssh my_user@my_host "command1; command2" utilizing double quotes to send both commands to the remote machine. sh: #!/bin/bash echo foo Without having to scp the file, how could I execute the script stored in foo. With this specific example, however, you should consider moving/deploying the script to the target server and invoking it over SSH, as combining all of those commands will result is a large and unwieldily SSH command. How can I give the command the input it needs automatically? then exec ssh-agent bash -c "ssh-add ; $0" echo "The SSH agent was awakened" exit fi. The shell output shows the following: The remote machine is up; The script is on localhost and the ssh command is in a function called doit Have a look at this tutorial After doing so, your scripts will run without the need for entering a password. How do I write a command that pipes after I type in the password? ssh server "psql -W -h db_host -p 5432 -U db_user -d postgres" < staging. Luckily, linux has a tool which can easily be installed via a package manager called expect which has the ability to write logic to execute multi-step interactive scripts. It runs over the TCP port 22 with SSHv2 as its latest The script looks like this: #!/bin/bash #Script file for ssh # #put your commands here echo "test" > /tmp/test. txt user@address -p 22 "cd /some/path/to/directory ; more file. – I use SSH with "authorized keys" to run commands remotely. Similarly, the screen -ls is not executed inside servername2 but in my own If ssh does not have a terminal associated with it but DISPLAY and SSH_ASKPASS are set, it will execute the program specified by SSH_ASKPASS and open an X11 window to read the passphrase. Above line will start the expect script upon terminal launch. cd ~ sudo nano . You don't need to use expect to do this. I would want the output returned so I can either display it on the screen or log it. ssh machine ls # or echo ls | ssh machine I want to run some commands on another machine after I logged in through ssh. ls -lart cd /tmp uname -a This will let you do all You can flesh this out by setting a timeout and handling things that can go wrong (see snippet above). I created a simple script and it shows the ssh command fails before it reaches the remote machine. SSH stands for Secure Shell, is a cryptographic network protocol that runs at layer 7 of the OSI model for secure network services over the insecure network. You don't need to repeat sudo in the command line because you have defined it already in the playbook. I want to run a script a. Here's the idea: #!/bin/sh # Echo A 60 seconds later, but without blocking the rest of the script sleep 60 && echo "A" echo "B" echo "C" I cannot cancel ssh session after command run as one thread suggested, because i need an output and i cannot use parallel gnu suggested in other threads. #! /bin/bash sshpass -p 'password' ssh user@host command I am aware of the security issues but its not important now. s And I SSH into the server as following: ssh -t Linux: Prevent a background process from being stopped after closing SSH client; Getting ssh to execute a command in the background on target machine; Use SSH to start a background process on a remote server, and exit session; TL;DR - use nohup How to run a command in bash script which is not stopped when the script exits? 2 How not to close process, started from ubuntu terminal, and continue to execute another commands from terminal? I am looking for a way to execute a local command when logging into a remote machine via SSH. @Jetchisel – Parvez First you have to install sshpass. command1 command2 There is no need for ; if the commands are on separate lines. bash | ssh -t vivek@nas02nixcrafthomeserver. Basically, I want to measure the time of a program on a remote server, so I use the command: /usr/bin/time -f %e sh -c "my command > /dev/null 2>&1" to execute the program. I don't know much about bash and expect. Either specify the commands to run as an argument of ssh, or alternatively, run ssh and make it read the commands from standard input, and send the commands to it. vmalho" to report user in the following way. Modified 6 years, 11 months ago. Unfortunately, it runs the command before the ssh session is established, not afterwards. touch ~/. sh in the same server - server01; b. Is there a way to run remote bash scripts interactively over SSH? Different methods to execute long running commands over SSH. There are some keywords in Bash that affect parsing what's after them, e. It gets executed on the local machine after authenticating but before the remote shell is started. 168. Forces the In this article you will find the examples of how to execute a remote command, multiple commands or a Bash script over SSH between remote Linux hosts and get back the SSH sets the $SSH_CONNECTION variable, which can be used in place of your $SSH_LOGIN in your . For those that stumble across this question, I'll include an answer that uses Fabric, which solves exactly the problem described above: Running arbitrary commands on multiple hosts over ssh. If you want to execute a script/commands within a different shell, you have three options: Specify the shell that the script needs in the script itself using shebang - This the the right way for scripts. Currently, After ssh -L 8888:localhost:8888 ubuntu@address, your script founds itself on the remote server. I've been testing bash script execute commands after ssh. The command in the file is not executed on command line, but the same command works perfectly fine when I execute only the command on command line. exit asa the command is issued but the commands should keep running on the server. The failing command: ssh -v -v <username>@<server> uptime (also tried echo hello etc. so, I am using this script below: ssh -i key. Then, after the tunnel is established, your script resumes execution on the next line on your machine. ssh $host #some command the script will SSH in, wait until I manually exit, then run the commands. I am trying to write an expect script which would ssh into a server, send sudo su, then check the iptables status and put the output in a log file on the server. Expect ssh script (execute command on remote machine) 1. 2. I'm trying to read the server one by one from the file, SSH in the server and execute ls to see the directory contents. No @Dmitri T However from UNIX box I login from my user "a. Run command on server using Plink and keep it running after disconnecting. If I run the same command from the terminal it works fine but running it in a bash script it doesn't. Here is what i have written: Bash/Expect Script for SSH. [[. Now I would like to access an environment variable in one or both of the commands. I've tried adding an explicit exit at the end of the here doc and using "-t" argument for ssh. If it fails, the SSH client will return the exit code of the failed command. How to run expect script from remote server via ssh? Hot Network Questions When I attempt to execute a command on a remote server with ssh, the ssh command hangs after the exec request accepted debug message, and eventually times out. The script should warn admin on connections authenticated with pubkey, so the user connecting shouldn't be able to skip the execution of the script (e. To make the function definition permanent, put it in your In your shell script you can use it to run commands on your host machine like this: example. bash_profile There are several options depending on how you want to run your remote script. However, when I run it, I see the prompt on the remote server -- so the 'exit' command is not executed. How can I run some commands automatically after waiting for my SSH connection to be established with a while loop. sh on a remote machine? I have tried the following (with a few variations) to no success: $ ssh root@remote eval `cat foo. txt | grep string. I currently have: gnome-terminal -t "MyWin" -x bash -c For those that stumble across this question, I'll include an answer that uses Fabric, which solves exactly the problem described above: Running arbitrary commands on multiple hosts over ssh. The first will run the shell regardless of whether the first command succeeds. If you want to run the shell after the cd command, you need to add it explicitly to your cmd. Ubuntu: sshpass run remote bash script. This should be enough for simple commands, like ls, cd, I have a function in my zsh source file ~/. bash_logout, the problem is that if the user close the terminal instead write exit this file is not executed. You can't run a local script on a bash script to ssh and run commands. e. It should be executed on the remote machine and then I should get the shell, as if I had logged in normally. e. /ssh. sh OpenSSH has an option called LocalCommand that runs a command on the client side when you make an ssh connection. Why does my Expect The main thing to change is getting rid of the semicolon before the "** run" (as well as using a real command). ssh machine ls # or echo ls | ssh machine During set-up the tool issues remote commands such as the following from the primary server: echo '. How do I run those commands on How to run the script automatically in server system? You can do so by adding the following parameter to your config file (/etc/ssh/sshd_config). Leverage an alias or better a function. The commands following ssh machine in a script are not run on the machine. Once fabric is installed, you'd create a I'm using "sshpass" to pass a password into my ssh command; I'm SSH'ing into the new server as the "test-admin" user; once in the server, I am running the command "sudo su command_must_be_run_root --arguments. Can someone help? Am I missing something. I run it locally to do something on a remote server (represented by 'echo "Hi"'). Something like if [[ Discover how to execute multiple commands over SSH with various methods like semicolon-separated commands, double ampersand-separated commands, and more, to efficiently manage remote systems and streamline You can pass a script and have it execute ephemerally by piping it in and executing a shell. I have also tried running /bin/bash command or ssh-ing to localhost, but since we use different ports then the standart ones, I will either have to search for better solution or "If a -- (two hyphens) are found on the command line, any arguments after this are passed directly into the ssh executable. txt # #exit by calling a shell to open for the ssh session /bin/bash Don't forget to chmod the script sudo chmod +x /usr/bin/ownscript Building on dogbane's answer, a complete solution looks like: ssh -t user@server 'cd /a/great/place; bash' Here I use -t to force the allocation of a pseudo-terminal, which is required for an interactive shell. In general I would do: ssh user@ip "command" >> /myfile. When you specify a command to run remotely (with or without -t), the ssh daemon starts an ordinary shell, so your . The end product is that commands were executed for the user without them needing to be aware that it was through a remote connection. Related. Remove the "interact" statement to have the script exit when done (you could use a shell loop to execute this for a number of hosts/devices). These fall under two main approaches: copy the How To Run Multiple SSH Command. Here's my code: #!/bin/bash echo "SSHing. ) In other words, I want to specify the command on my command line. No, I want everything to be automated. For example: ssh { command ssh "$@"; echo foobar; } Now, you can run: ssh mysite after you exit from the ssh session, echo foobar will be run. SSH and run commands mid-script. I have gone through all question related to the same topic but did not find any solution with EXPECT. , run a remote command under the login shell, with some parameters. The ssh session will only close when the remote SSH server sees an end-of-file condition on the standard output of the commands run in the script. I want to send a script on the server through SSH, run it and don't worry about the rest -- I curl my server after a script has finished running (sort of like a webhook). The problem is the psql command prompts for a password, and my sql file gets piped into that. Then will it continue and run your last line (osascript). txt, like:. I second Dennis Williamson's suggestion to look into puppet/etc instead. py, and implement tasks that can be run on your remote hosts. sh: Run commands from a local file: ssh I am trying to run a sshpass command inside a bash script but it isn't working. I have tried implementing below shell script but unable to get the content. This "command_must_be_run_root" is a command that has to be run as root only; It also has arguments I have to pass in. zlogin, obviating the need to use ~/. If you run this command by itself sudo su tom; cat /home/user/file. Local Script: Local script must start with #!/path/to/interpreter - #!/bin/sh for Bash script - #!/usr/bin/perl for Perl script - #!/usr/bin I am trying to create a bash script to ssh into a session and run a command then exit out of the session. To use an interactive shell you local_action runs the command on the local server, not on the servers you specify in hosts parameter. You type the "disown -h %1" command (here, I've used a "1", but you'd use the job number that was displayed in the "Stopped" message) which marks the job so it ignores the SIGHUP signal (it will not be stopped by logging out). However, it appears that I cannot capture the output of my command (SSH) to a variable at all. cd /my/path ; /bin/bash Also the -m implies "nopty"/non-interactive mode. Run date and hostname commands: $ ssh user@host "date && hostname" You can run sudo command as follows on a remote box This assumes ~/. Please help me out. This allows you to use the pre-xfer exec and post-xfer exec options in /etc/rsyncd. If you need multiple users to run this script, use a %groupname instead of the username1 Share @JoseSerodio That would not work for the ssh scenario, for example (or you would have to scp the script to the remote host first), and unattractively complicates the simple case when the commands are just a few trivial ones (then you have to manage two script files, and make sure the calling script knows the path to the other one). If you want to run all of the files, you need to execute the nohup command as part of My goal is to open a new terminal window, SSH into a remote machine in that window, prompt the user to continue, and then execute a command. Implementing background tasks directly feels a bit out of scope for Spur, but you should be able to run the command you've described by invoking a shell e. function cr() { ssh -p 5022 [email protected] ssh servername2 screen -ls } . bash -c "ssh -t user@computer 'cd /; sudo my-command'" and OP want a way to execute remote command from bat script. ShellTypes. sh . I. file perl script to execute ssh command without using password. ~/. , by connecting with I don't know how ssh exactly operates, but your script is written in a way that it will wait until the ssh command finally terminates. Yes, it’s possible using ssh client. Something like (xterm -geometry 70x70-0-0 -e ssh -i key1 [email protected] **run python file on this instance**) & (xterm -geometry 70x70+485-200 -e ssh -i key1 [email protected] **run node file on this instance**) & (xterm -geometry 70x70+0-0 -e ssh -i echo pass | ssh -tt user@server "sudo script" Advantages: no password prompt; won't show password in remote machine bash history; Regarding security: as Kurt said, running this command will show your password on your local bash history, and it's better to save the password in a different file or save the all command in a . 4. Remedy: ssh example. Write your ~/send. Now try the following command this worked for me. ssh/environment. sql Where username2 is the user you want to run the SVN command as and username1 is the user running the script. For instance: pwd; ls -al; date; uname -a. 1. Bash script execution after login success does not trigger. That doesn't seem to be working. Basically, I need the following two cases to work: I have a bash script. Following is my bash script, how @MattiaRasulo What do you call “an EOF series of commands”? Do you mean commands given in an “here document” (<< _FOO_ _FOO_)?I guess you can wrap that with a "$(cat )" to give its contents to ssh as its first positional parameter, but then why not directly write the commands in a string (like in the example from my answer, but possibly with " instead of ' if need be) I've been struggling with this problem when writing a bash script. ssh/config). Change echo foobar with the actual command you need to run, and of course you can tack multiple commands if you want. bashrc, yet the answer there doesn't work for me. e: Perl, Python, Ruby, Bash interpreter), 2° starts remote interpeter over SSH, 3° send all the script body over SSH. The key is that you simply run the command on the remote host via ssh , and capture its output on the local host. disown removes the process from the shell's job control, but it still leaves it connected to the terminal. You can pass the flags -fN to ssh (-f is for fork into background and -N is run no command). bashrc is sourced from your ~/. In your script, the ssh job gets the same stdin as the read line, and in your case happens to eat up all the lines on the first invocation. They will be run on the local machine once the ssh exits. 1. But since your process is interactive, this gets tricky. ForceCommand. Unable to SSH a script of bash commands via expect. I need to write a script that will SSH into a remote host, then run certain commands on that remote host, then exit. 3 steps : install your public key on all 4 machines (a, b, c and d) . Linux- If you want to generate a string you can pass over ssh to run a series of remote commands securely, this requires correct shell quoting for the command inner command (which is necessarily invoked with a shell), and not using shell=True for the outer command (thus allowing the use of a local shell -- with the security implications of same -- to be avoided): After the user enters the necessary information—by quitting vim or pressing return on a prompt—the script should continue to run like normal. You actually do not want to execute echo after bash - you want to execute echo within bash. here's the content of this expect script The best way to run commands remotely using SSH is $ ssh user@host "command" > output. I want to to execute remote command via ssh under the full interactive shell. Modified 3 years, 3 months ago. I tired by putting the password in the command line itself. Execute simultaneous scripts on remote machines and wait until the process completes. Is there a way to run commands automatically when user logs in with SSH to Windows Server? I tried to implement this using the AutoRun in Command Processor registry, which runs commands when any cmd. Setup a SSH key pair (google it) and then copy the SSH key to the remote server. minimal, then only the raw command is sent. A small sample program to reproduce the problem. ssh bla@bla "ls ; bash" This doesn't disconnect after running ls, but I don't get a full terminal interface, just some bare bones command line that doesn't show the me@machine:~$ thing. Neither works. Using ssh in perl script. Create on remote server rc file inside user's . Execute command inside a shell script on a remote machine and get output on local machine. You have observed exactly this. conf: [myTransfers] path = /path/to/stuff auth users = username secrets file = /path/to/rsync. ssh kev@server1 '. 2(1)-release. /etc/profile; . mymachine() { sshpass -p *YourPassword* ssh root@IP } source . In step 3, I am able to loin to another server but it stops there. That works, however I want the script to immediately pass the command of cd /some/dir after connecting. 1) Cannot execute SUID bash script with sudo as SSH command. Install OpenSSH and enable SSH service. zprofile or ~/. (I want to stay logged in after the command has finished. " ssh -i ~/. Unfortunately in the line 8 of the script, after sending the password, I just get logged into the server as I would have been logged manually (I can sshpass -p *YourPassword* ssh root@IP. echo "ls -l; echo 'Hello World'" | ssh me@myserver /bin/bash Naturally, the "ls -l; echo 'Hello In this article, we saw how to run the scripts in remote machines through SSH. All that my shell script contain are 3 command line command which I dont want to run separately so i created a shell script to make them run without my intervention and I put Storing the command in the variable cmd is optional; you can hard-code the command as a string argument to ssh. text contains: . Have the command copy the file over, load the file functions, run the file functions, and then delete the file. cat command. g. For example: The first is to run interactive bash after the tail will exit I just don't understand why you don't write your commands in the profile of your login shell and just start a simple ssh without any commands to run remotely. You can do that by setting up a public/private key via the ssh-keygen command. Just skip the sudo part and ssh to the host as the "correct" user with permission to those files (which should not be root). – user556625. sh) Run two java programs in a bash script after ssh. txt Where the commands. Using 'expect' command to pass password to SSH running script remotely. ssh user@host I have a script I can run locally to remotely start a server: #!/bin/bash ssh [email protected] <<EOF nohup /path/to/run. sh` eval `cat foo. zshrc:. ). Ask Question Asked 6 years, 11 months ago. the problem is that ssh close the connection once the command is executed, however - my command sends the output to the ssh channel via another programm in the background, therefore I am not receiving the output. Running SSHPASS=password sshpass -e ssh -tt -o "StrictHostKeyChecking no" [email protected] 'echo "password" | sudo -Sv && bash -s' < script. 3. " This is Executing a local script remotely: Run a local script containing multiple commands on the remote system. Script only doing successful ssh but not running sudo and other echo commands. sh' | ssh host4 'bash -s'. SSH in shell script with password. exe [email protected]-m c:\local\path\commands. Update. If you're using openssh, you need to append your public key to . Expect ssh script (execute command on remote machine) 5. But I'm writing the bash script for the third time in my life so I'm not sure. cat some_script | ssh server 'bash -s' You can also use bash Here docs to achieve the same thing, shell script ssh command not working. I have a shell script of the following type: #!/bin/bash ssh [email protected] echo "Hi" exit . pem [email protected] cd /some/dir read Say I have the following Bash script stored in the file foo. In the first case you still get some output from the ls -l command (even though the cd failed - probably the home dir of the you user) and in the latter case the ls -l command is skipped because the first operand returned Thanks for a quick response. com, the ssh daemon starts a login shell for you, and the login shell reads your ~/. Follow below steps. I am currently writing a bash script to help me update some servers, so I need to connect there, run yum update -y and then sometimes type in additional commands. echo "ls -l; echo 'Hello World'" | ssh me@myserver /bin/bash Naturally, the "ls -l; echo 'Hello World'" part could be replaced with a bash script stored in a file on the local machine. com -t '. text | awk '{print "ssh user@remotehost "$0" "}' | sh -x. If you feel you need to abbreviate/censor the script, please do this before running it to get the output, instead of running your actual script and then posting edited code that you've never actually run. To do this I'd recommend using ssh-copy-id. Commented Sep 18, 2022 at 6:33. Use Expect in a Bash script to provide a password to an SSH command – Jetchisel. I've been struggling with this problem when writing a bash script. sh' Also, the script has to be on the remote computer. ssh/some-site. If you want run_server and run_process2 to continue running after the ssh session ends, you have to make sure those processes aren't holding open the script's standard output. Describes how to run or execute a command using SSH with various command-line techniques on Linux, macOS, BSD, and Unix. Does bash script also need this explicit exit? linux; bash; shell; ssh; The commands following ssh machine in a script are not run on the machine. (By default it is set to no. For those who logs in i put my commands at the end of . As others have stated, you can use ssh. PuTTY has the -m switch, that you can use to provide a path to a file with a list of commands to execute: putty. The first is to run interactive bash after the tail will exit (the bash in the end) and then you need to allocate There are a number of ways we can run an SSH script of arbitrarily complex commands without using an interactive shell. conf to specify a command to be run before and/or after the transfer. text file in which you have written all the commands in column (you can modify them with vi or vim and put them in column), you don't even need to do a loop, you can simply do: . I've used this to send commands routers to update static routes, but it has many other uses. I am able to do till step 2 correctly. When I use below command it doesn't prompt me for password and then I can run the shell script with report user. #!/bin/bash Execute the script/commands using I want to login to an interactive shell on a server using SSH and, after logging in, execute two commands. Generate SSH key pairs to execute remote commands from the local server to avoid entering passwords. txt ; grep string " When you run ssh example. Run a perl script inside another script using ssh. Also, after installing program ou I want to send a script on the server through SSH, run it and don't worry about the rest -- I curl my server after a script has finished running (sort of like a webhook). Everyone just forgot disown. bash_profile will be the script that is invoked for a login shell like ssh. Try the following command, and make sure that thats the path from your home directory on the remote computer to your script. /run_audit. If you specify a command (e. There's race here: bash exits after nohup starts. One of the results is that the shell won't send it a SIGHUP(If the shell receives I've got a script, named s, on a remote server that activates a virtual environment like this: source venv/bin/activate When SSH-ed into the server, I'm able to activate the environment by. The approach works in many cases, except when there's interactive behavior since standard input is already in use. How do you change user and execute a command in a bash script ? I need to login to a VM and execute some command there. Any Linux distribution. Solution: Close stdin for ssh, or better redirect from /dev/null. sh will login to another server - server02 and run the commands that follow. Ask Question Asked 8 years, 6 months ago. sh and I am trying to ssh and call that scrip't function in the same script: #!/bin/sh testme() { echo "hello world" } ssh myserver "/opt/scripts/test. How to run command after remote login? You need to do two things. See my answer to this U&L Q&A titled: How to properly copy private keys from remote Expect ssh script (execute command on remote machine) 2. /test/foo. and the & is not necessary in RUN since you execute the command with &. Step #1. sudo apt-get install sshpass. However, if you're running a script, you may want to setup ssh to login without a password. sh script on a. For example if command. Shell scripts will run each command sequentially, waiting for the first to finish before the next one starts. while read server <&3; do #read server names I have a ssh server and i want to execute an specific script each time any user logs in and logs out. sh & EOF echo 'done' After running nohup, it hangs. In a bash script, I use a ssh command as such ssh mylogin@myremotemachine '*some command/command list separated with ;*' The local and remote machines have keyless ssh. For OpenSSH you can specify a LocalCommand in your ssh config (~/. ssh directory:. So here is a summary: & puts the job in the background. Otherwise it's going to spawn an interactive shell and wait for you to close it. So: you need a program (shell script or any other kind) which will output the password. profile (or ~/. If a minimal shell is used by passing in shell_type=spur. bashrc'" bash script execute commands after ssh. It also I have a text file in which I have a list of servers. I am running this script on a linux host. After execution of the script local_bash_script. bash_profile or ~/. sh Using a Here Document: Execute multiple commands on a Yes, you're doing it the right way. Thanks Execute a specific command on the remote server for each of those lines I could successfully achieve the step #1 and was testing the #3 with a simple scenario, but couldn't make it work yet. Viewed 13k times 1 . – Dawid Zbiński. I ssh to a server then want to run a block of script. Bash, Expect : Execution of command after SSH is not working. Here is a simplified example that illustrates what I have tried: For example, compare ssh [email protected] "cd /non-existant ; ls -l" to ssh [email protected] "cd /non-existant && ls -l". profile is not read. ssh user@host 'bash -s' < local_script. The second way will run the shell only if the first command succeeds. I believe ~/. What is the correct way of calling a function from a script after ssh? nohup is needed if you want your scripts to run even after the shell is closed. But that gave me the idea that I might somehow be able to get that preceding process to wait for the ssh session to end. This allows you to pass any arbitrary commands to do things such as reverse tunneling down into the ssh program. Step 1 is complete when you can log in to a, then from a to b, from a to c, and from a to d without any password prompt. bash | ssh user@nas02nixcrafthomeserver OR $ cat remote-box-commands. The loop terminates after completing any iteration with an ssh command. If I just do. I am running a CentOS 7 VM that I want to set a static IP to. pub How can I spawn a process after a delay in a shell script? I want a command to start 60 seconds after the script starts, but I want to keep running the rest of the script without waiting 60 seconds first. Pre-requisite. The best advice for complex operation on the remote-host is the write a script and save it on the remote host, then you can simply call the script by ssh you@somehost 'bash scriptname'. bashrc will get called if you open up a Gnome Terminal, for example, AFTER having already logged in. You can specify multiple commands and separate them with ";" or "&&". It means you'll have only the last file running. . ssh/rc If you use -t to allocate tty to run interactive command along with background command, and background command is the last command, like this: ssh -t user@host 'bash -c "interactive command; nohup backgroud command &>/dev/null &"' It's possible that background command doesn't actually start. fzb gmagkr saa qwzub hmxmlom bvjrezu rgb brdtffxua stw reduwx