shell脚本输出多个主机的网卡速率的方法

ethtool bond1 | grep Speed
Speed: 20000Mb/s

for i in {0..3};do echo bond$i `/usr/sbin/ethtool bond$i 2 > /dev/null | grep Speed`;done
bond0
bond1 Speed: 20000Mb/s
bond2 Speed: 20000Mb/s
bond3 Speed: 2000Mb/s

ssh -tt user@192.168.1.1 "command "

cat /etc/hosts | grep 192 | cut -d' ' -f1

#!/bin/bash
cat /etc/hosts | grep 192 | while read line
do
echo $line
ip=`echo $line | cut -d' ' -f1`
/usr/bin/expect <<-EOF
spawn ssh -tt user@$ip "for i in {0..3};do echo bond\$\i \`/usr/sbin/ethtool bond\$\i 2>/dev/null | grep Speed\`;done "
expect {
    "(yes/no)" { send "yes\n";exp_continue }
    "*assword:" { send "password\n";}
}
expect eof
EOF
done