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Full Discussion: Combining multiple commands
Top Forums Shell Programming and Scripting Combining multiple commands Post 302323210 by wick3dsunny on Friday 5th of June 2009 06:44:45 PM
Old 06-05-2009
Combining multiple commands

Hi Guys,

I am looking to optimze these 5 SSH lines to a single SSH to get my machine to not hang! lol!

Code:
cat hosts.lst | xargs -n1 -t -i echo 'home/util/timeout 6 0 ssh -q {} top -b > util/{}.top &' >> r_query_info
cat hosts.lst | xargs -n1 -t -i echo 'home/util/timeout 6 0 ssh -q {} uname -r > util/{}.osv &' >> r_query_info
cat hosts.lst | xargs -n1 -t -i echo 'home/util/timeout 6 0 ssh -q {} psrinfo -vp > util/{}.core &' >> r_query_info
cat hosts.lst | xargs -n1 -t -i echo 'home/util/timeout 6 0 ssh -q {} isainfo -kv > util/{}.cpu &' >> r_query_info
cat hosts.lst | xargs -n1 -t -i echo 'home/util/timeout 6 0 ssh -q {} psrinfo -v > util/{}.speed &' >> r_query_info

where hosts.lst is just a file of 2 hosts, home/util/timeout arg1 arg2 is a timeout script. It basically will stop ssh after 6 minutes or a 0 return code.

I would appreciate if any help could be provided in combining all these hardware status commands.


Thanks,
 

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SSH-COPY-ID(1)						      General Commands Manual						    SSH-COPY-ID(1)

NAME
ssh-copy-id - install your public key in a remote machine's authorized_keys SYNOPSIS
ssh-copy-id [-i [identity_file]] [user@]machine DESCRIPTION
ssh-copy-id is a script that uses ssh to log into a remote machine (presumably using a login password, so password authentication should be enabled, unless you've done some clever use of multiple identities) It also changes the permissions of the remote user's home, ~/.ssh, and ~/.ssh/authorized_keys to remove group writability (which would oth- erwise prevent you from logging in, if the remote sshd has StrictModes set in its configuration). If the -i option is given then the identity file (defaults to ~/.ssh/id_rsa.pub) is used, regardless of whether there are any keys in your ssh-agent. Otherwise, if this: ssh-add -L provides any output, it uses that in preference to the identity file. If the -i option is used, or the ssh-add produced no output, then it uses the contents of the identity file. Once it has one or more fin- gerprints (by whatever means) it uses ssh to append them to ~/.ssh/authorized_keys on the remote machine (creating the file, and directory, if necessary) SEE ALSO
ssh(1), ssh-agent(1), sshd(8) OpenSSH 14 November 1999 SSH-COPY-ID(1)
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