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Top Forums Shell Programming and Scripting Issue in executing cat (remote ssh) Post 302952822 by close2jay on Saturday 22nd of August 2015 12:37:30 PM
Old 08-22-2015
Sorry for not being clear on my initial post. Below are the details:

jar=test.jar
md5=test.jar.md5

now i want to do the below:

#1. md5sum test.jar (exists in remote server x)
#2. cat test.jar.md5 (exists in remote server x)
#3. Now from my local machine i want to ssh to the remote server x and then want to check whether md5sum is matching

I tried the below:

==================
Code:
#!/bin/bash -x

ssh datac@x.host.com cat /home/data/test.jar.md5


ssh datac@x.host.com "if [ `cat test.jar.md5` == `md5sum test.jar` ]; then exit 0; else exit 1; fi"

========================
output:
-----------
Code:
$ ./x
ce65f87aecee3d99cd2e947de5e4d4eacat: /home/data/test.jar.md5: Permission denied
md5sum: /home/data/test.jar: Permission denied

-- when i cat the file its displaying the result without any issue
-- but when i do the same inside the if condition its throwing permission error

Note: On the remote server I have all the required permissions to read and execute these jar and md5 files.

I tried alot of time on this but couldn't able to find the issue. Could someone help me here.

Thanks

Moderator's Comments:
Mod Comment Please use next time code tags for your cade and data, thanks

Last edited by vbe; 08-22-2015 at 02:21 PM..
 

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SSH-KEYSIGN(8)						    BSD System Manager's Manual 					    SSH-KEYSIGN(8)

NAME
ssh-keysign -- ssh helper program for hostbased authentication SYNOPSIS
ssh-keysign DESCRIPTION
ssh-keysign is used by ssh(1) to access the local host keys and generate the digital signature required during hostbased authentication with SSH protocol version 2. ssh-keysign is disabled by default and can only be enabled in the the global client configuration file /etc/ssh/ssh_config by setting HostbasedAuthentication to ``yes''. ssh-keysign is not intended to be invoked by the user, but from ssh(1). See ssh(1) and sshd(8) for more information about hostbased authen- tication. FILES
/etc/ssh/ssh_config Controls whether ssh-keysign is enabled. /etc/ssh/ssh_host_dsa_key, /etc/ssh/ssh_host_rsa_key These files contain the private parts of the host keys used to generate the digital signature. They should be owned by root, read- able only by root, and not accessible to others. Since they are readable only by root, ssh-keysign must be set-uid root if hostbased authentication is used. SEE ALSO
ssh(1), ssh-keygen(1), ssh_config(5), sshd(8) AUTHORS
Markus Friedl <markus@openbsd.org> HISTORY
ssh-keysign first appeared in OpenBSD 3.2. BSD
May 24, 2002 BSD
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