scripting - Using while loop to ssh to multiple.

While loop in ssh command. Ask Question Asked 2 years, 1 month ago. Active 2 years ago. Viewed 624 times 0. I have requirement to connect to remote machine and then get info and pipe to while loop. ssh rao@172. SSH causes while loop to stop. 30. Using while loop to ssh to multiple servers. Ask Question Asked 5 years, 11 months ago. Active 2 years, 8 months ago. stdin input of all ssh commands in a while loop must be switched to another source. share improve this answer. answered Jun 1 '16 at.

Hi all, I have observed that ssh exits while loop. Code: The UNIX and Linux Forums. The UNIX and Linux Forums. Forums. Man. Search. Today's Posts. Quick Links. Register UNIX for Beginners Questions & Answers Ssh disturbs while loop. Tags. loop, newbies, ssh, while loop. 04/01/2011 · Yes. Add option -n to the ssh command. The standard input coming from the pipe becomes the standard input of the remote command this is the way ssh works and when the ssh command terminates it sends a SIGTTIN signal to the local shell: it closes the standard input and causes the loop.

The "cat list.txt" is providing stdin for the entire "while" loop. It is not constrained to only the read statement. ssh is eating all of the input and feeding it to "date" as stdin. 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. Following is my bash script, how can I make it run for all the servers in the text file while doing SSH?

Bash while read loop breaking early [duplicate] Ask Question Asked 10 years, 8 months ago. Active 2 years, 5 months ago. rsh and/or ssh can break a while read loop due to it using stdin. I put a -n into the ssh line which stops it from trying to use stdin and it fixed the problem. 17/07/2017 · IFS is used to set field separator default is while space. The -r option to read command disables backslash escaping e.g., \n, \t. This is failsafe while read loop for reading text files. while loop Example. Create a shell script called while.sh. and my line 29 is the last fi. And I have a lot of echo to show me the status. Now I realy don't know why it doesn't enter in the while Can you help me?? thanks.

20/01/2011 · How do I write an infinite loop in Bash script under Linux or UNIX like operating systems? An infinite loop is nothing but a sequence of instructions which loops endlessly, either due to the loop having no terminating condition, having one that can never be met, or one that causes the loop to start. To realize looping in bash, we have bash for loop along with while loop. Conclusion: In this Bash Tutorial – Bash While Loop, we have learnt about syntax of while loop statement in bash scripting for single and multiple conditions in expression with example scripts.

[solved] Process ssh command in while loop It's suppose to loop through the list of names and execute a command on the remote server using ssh. It processes the ssh command for the first server in.