我尝试制作一个脚本来自动化我的实验。
我的目的是从 shell 脚本运行这样的命令,以便在服务器上运行另一个脚本:
ssh root@server.com 'sh ControlIperfServer.sh start'
即使文件 ControlIperfServer.sh 已经放置在 server.com 的 /root 目录中,但终端的输出是:
bash: sh ControlIperfServer.sh start: command not found
当我在终端中键入该命令时,我能够运行该命令。只有从脚本执行时不能执行。
我的意思是:
当我在终端中键入命令时。有用。
[root@CentOSVanilla ~]# ssh root@server.com 'sh ControlIperfServer.sh start'
Running IPERF SERVER
[root@CentOSVanilla ~]#
当我将命令放入脚本并执行脚本时。这没用。
[root@CentOSVanilla ~]# ./Runtest.sh
bash: sh ControlIperfServer.sh start: command not found
[root@CentOSVanilla ~]#
我使用了详细的 -v 选项来跟踪
debug1: Next authentication method: publickey
debug1: Trying private key: /root/.ssh/identity
debug1: Offering public key: /root/.ssh/id_rsa
debug1: Server accepts key: pkalg ssh-rsa blen 277
debug1: read PEM private key done: type RSA
debug1: Authentication succeeded (publickey).
debug1: channel 0: new [client-session]
debug1: Requesting no-more-sessions@openssh.com
debug1: Entering interactive session.
debug1: Sending environment.
debug1: Sending env LANG = en_US.UTF-8
debug1: Sending env LC_CTYPE = UTF-8
debug1: Sending command: 'sh ControlIperfServer.sh start;'
bash: sh ControlIperfServer.sh start;: command not found
debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
debug1: client_input_channel_req: channel 0 rtype eow@openssh.com reply 0
debug1: channel 0: free: client-session, nchannels 1
Transferred: sent 2352, received 2360 bytes, in 0.2 seconds
Bytes per second: sent 10829.0, received 10865.9
debug1: Exit status 127
非常非常非常感谢您的帮助。
我添加了我的 Runtest.sh 的代码:
#!/bin/sh
# A script to run test automatically, need modify when using
# Usage:
# ./RunTest.sh <number of test> [threads]
# [threads]: when there is threads, use -P option of Iperf
# Otherwise, run multiple instances of Iperf
# <number of test>: Defaut is 1
# Number of Threads/Processes
# Number of time capture traffic
RUN_IPERF_SERVER="sh ControlIperfServer.sh start"
STOP_IPERF_SERVER="sh ControlIperfServer.sh stop"
RUN_TCPDUMP="sh ControlTCPdump.sh start"
STOP_TCPDUMP="sh ControlTCPdump.sh stop"
RUN_CLIENT="iperf -c"
TARGET_SERVER="10.10.10.253"
REMOTE_SERVER="server.com"
DIRECTORY="CaptureTraffic"
TCP_DURATION="60"
if [ "$1" = "" ]; then
MAX_TEST=1;
else
MAX_TEST=$1;
fi
# Run server daemon on remote server
CMD="ssh -v root@$REMOTE_SERVER \"$RUN_IPERF_SERVER\""
echo Running $CMD
$CMD # Run iperf server remotely
sleep 5 # Waiting for server to run
CMD="ssh -v $REMOTE_SERVER 'mkdir $DIRECTORY && echo ok'"
DIROK="$($CMD)"
if [ "$DIROK" = ok ]; then
mkdir $DIRECTORY
else
echo Cannot create directory\! Please be careful\!
fi
for INCR in $(seq 1 $MAX_TEST)
do
echo Running Test $INCR
#Prepare TCP to capture traffic (run on host)
echo Setting-up TCPdump for capture traffic
FILENAME="$DIRECTORY/CapturedTraffic$INCR.dmp"
ssh $REMOTE_SERVER \'$RUN_TCPDUMP $FILENAME\'
sleep 5
# Running the client (running locally)
if [ "$2" = threads ]; then
echo "Running Iperf Client as threads model"
$RUN_CLIENT $TARGET_SERVER -t $TCP_DURATION -P $INCR
else
echo "Running Iperf Client as processes model"
sh parallel.sh -j $INCR \"$RUN_CLIENT $TARGET_SERVER -t $TCP_DURATION\"
fi
#Stop TCPdump (run on host)
ssh $REMOTE_SERVER '$STOP_TCPDUMP'
sleep 5 #Wait for TCPdump write file to harddrive
done
#Stop Iperf Deamon
ssh $REMOTE_SERVER '$STOP_IPERF_SERVER'
sleep 3
我已经将所有脚本文件放在名为“server.com”的主机上。