Looping not completing in shell script

surender reddy · #1 02-11-2013

Hi,

Iam using below code to login to servers to get cpu utilisation. but output is coming for only one server. code is below

HTML Code:

root@blr-svr-oclan-01 # more SSSC_CPU_UTIL1.sh
#!/bin/sh
echo "CPU UTILIZATION"
while read line; do
IDLE=`/usr/local/bin/sshpass -p 'xxx' ssh xxx@$line 'sar 2 2' | grep Average | cut -c38-40`
USAGE=`expr 100 - $IDLE`
echo $USAGE
done< sssc_ips.txt

inputfile

HTML Code:

root@blr-svr-oclan-01 # more sssc_ips.txt
172.30.3.42
172.30.3.64
172.30.19.42
172.30.19.38

HTML Code:

root@blr-svr-oclan-01 # sh  SSSC_CPU_UTIL1.sh sssc_ips.txt

output is coming as below

HTML Code:

CPU UTILIZATION
61

sample output of command sar 2 2 is given below

root@blr-svr-netap-01 # sar 2 2

HTML Code:

SunOS blr-svr-netap-01 5.10 Generic_137111-08 sun4u    02/11/2013

16:52:16    %usr    %sys    %wio   %idle
16:52:18      52       5       0      43
16:52:20      53       5       0      42

Average       53       5       0      42

please help to get the output for all servers and ip address of servers in output

balajesuri · #2 02-11-2013

Try this (be wary, this is not so secure):

Code:

sshpass -p 'passwd' ssh -o StrictHostKeyChecking=no user@hostname.com <commands>

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