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Old 04-03-2006, 05:02 PM   #1
LQ Newbie
Registered: Mar 2006
Location: England
Distribution: RedHat 9
Posts: 16

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can ssh execute multiple commands at the same time?

i am using ssh to connect to remote hosts on a network to monitor activity. is it possible to execute multiple commands on the same line? for example?

foreach $host (@hosts) {

print FH "<H3><A NAME\=\"$host\">$host\</A\></H3>";
print FH "<P>";

$cmd="hostname;vmstat;top -n 1 | head -n;df -k";

foreach $host (@hosts) {

print FH "<TABLE BORDER=0>";

@result=`ssh $host -l root -K $cmd`;

foreach $line (@result) {

if ( $line =~/9[0-9]\%\s*\>\// ) {


print FH "<TR><TD> <A NAME\=\"$count\"><FONT


im a bit lost here, it carries out the first command on the remote machine but then it carries out the remaining commands on the host machine that is running the perl script.

thanx in advance, Singist
Old 04-03-2006, 06:25 PM   #2
Registered: Feb 2004
Location: Outermost mingetty
Distribution: RHEL3,RH4U4,Sol9, Sol10
Posts: 321

Rep: Reputation: 31
Don't you already have a thread open on this?
Old 04-04-2006, 09:14 AM   #3
Registered: Jun 2005
Location: Odenton, MD
Distribution: Gentoo
Posts: 290

Rep: Reputation: 30
Poor form: Put everything on the same line. Better form: put a "\" before each new line.


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