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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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LEARN ABOUT MOJAVE

msdos.util

MSDOS.UTIL(8)						    BSD System Manager's Manual 					     MSDOS.UTIL(8)

NAME

     msdos.util -- DOS/Windows (FAT) file system utility

SYNOPSIS

     msdos.util -m mountflag1 mountflag2 mountflag3 mountflag4 device node

     msdos.util -p mountflag1 mountflag2 mountflag3 mountflag4 device

     msdos.util -u device

     msdos.util -k device

     msdos.util -n device name

DESCRIPTION

     The msdos.util command supports the mounting, probing, and unmounting of FAT file systems.

     Options:
	   -m mountflag1 mountflag2 mountflag3 mountflag4
		       mount
	   -n	       set name
	   -p mountflag1 mountflag2 mountflag3 mountflag4
		       probe for mounting
	   -u	       unmount
	   -k	       print volume UUID

     mountflags above are either:
	   o   removable or fixed
	   o   readonly or writeable
	   o   suid or nosuid
	   o   dev or nodev

     FAT volumes do not actually have a volume UUID.  They have an optional 4-byte volume ID.  If a volume has an ID, then it will be converted to
     a version 3 UUID using MD5 to checksum the kFSUUIDNamespaceSHA1 UUID folowed by the volume ID.

     For the -k option, if the volume has a volume ID, the exit status will be 253 and the UUID will be printed to standard out, without any
     trailing newline.	Otherwise, if the volume appears to be FAT, the exit status will be 255.  If the volume does not appear to be FAT, the
     exit status will be 254.

FILES

     /System/Library/Filesystems/msdos.fs/Contents/Resources/msdos.util

SEE ALSO

     diskarbitrationd(8)

HISTORY

     Derived from the Openstep Workspace Manager file system utility programs.

Darwin								  March 24, 2001							    Darwin
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