cat file.txt | while read line; do echo $line | sed "s/\(\([^,]\+,\)\{9\}\)/\1$((RANDOM%1000000+8243678))/"; done
ssh serverA sudo scp /file serverB:/file
ssh serverA sudo cp /file /tmp/file && sudo chown webmaster /tmp/file
scp serverA:/tmp/file /file
ssh serverA sudo rm /tmp/file
iptables -A OUTPUT -t mangle -p icmp -j MARK --set-mark 100
iptables -A POSTROUTING -t nat -p icmp -j SNAT --to-source 192.168.110.135
from all fwmark 0x64 lookup gw-a
from 192.168.210.6 lookup gw-d
from 192.168.110.135 lookup gw-a
# ip ro
default via 192.168.210.1 dev eth0
192.168.210.0/24 dev eth0 scope link src 192.168.210.6
192.168.110.128/26 dev eth1 scope link src 192.168.110.135
# ip ro sh table gw-a
default via 192.168.110.129 dev eth1
192.168.110.128/26 dev eth1 scope link src 192.168.110.135
# ip ro sh table gw-d
default via 192.168.210.1 dev eth0
192.168.210.0/24 dev eth0 scope link src 192.168.210.6