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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,54 @@ #!/bin/bash # scp-speed-test.sh # Author: Alec Jacobson alecjacobsonATgmailDOTcom # http://www.alecjacobson.com/weblog/?p=635 # # Test ssh connection speed by uploading and then downloading a 10000kB test # file (optionally user-specified size) # # Usage: # ./scp-speed-test.sh user@hostname [test file size in kBs] # ssh_server=$1 test_file=".scp-test-file" # Optional: user specified test file size in kBs if test -z "$2" then # default size is 10kB ~ 10mB test_size="10000" else test_size=$2 fi # generate a 10000kB file of all zeros echo "Generating $test_size kB test file..." `dd if=/dev/zero of=$test_file bs=$(echo "$test_size*1024" | bc) \ count=1 &> /dev/null` # upload test echo "Testing upload to $ssh_server..." up_speed=`scp -v $test_file $ssh_server:$test_file 2>&1 | \ grep "Bytes per second" | \ sed "s/^[^0-9]*\([0-9.]*\)[^0-9]*\([0-9.]*\).*$/\1/g"` up_speed=`echo "($up_speed*0.0009765625*100.0+0.5)/1*0.01" | bc` # download test echo "Testing download from $ssh_server..." down_speed=`scp -v $ssh_server:$test_file $test_file 2>&1 | \ grep "Bytes per second" | \ sed "s/^[^0-9]*\([0-9.]*\)[^0-9]*\([0-9.]*\).*$/\2/g"` down_speed=`echo "($down_speed*0.0009765625*100.0+0.5)/1*0.01" | bc` # clean up echo "Removing test file on $ssh_server..." `ssh $ssh_server "rm $test_file"` echo "Removing test file locally..." `rm $test_file` # print result echo "" echo "Upload speed: $up_speed kB/s" echo "Download speed: $down_speed kB/s"