Short scripts and stuff to run commands on multiple servers

Mass_SSH_Commander_AndStuff

for i in $(cat secnodes); do ssh -o StrictHostKeyChecking=no -l root $i -C "find /etc/cron* -type f -exec cat {} \; > cron_all" ; done

for i in $(cat secnodes); do echo -e "\n\n XXXXXXXXXX  $i XXXXXXXXXX \n" ; ssh -o StrictHostKeyChecking=no -l root $i -C "cat cron_all" ; done

for i in $(cat nodes); do echo -e "\n\n XXXXXXXXXX  $i XXXXXXXXXX \n" ; ssh -o StrictHostKeyChecking=no -l root $i -C "netstat -tunlp|grep 8080" ; done

for i in node51 node52 node53 ; do ssh -o StrictHostKeyChecking=no -l root $i -C "grep something /var/log/squid3/access.log" ; done

# Regex matching from irclogs
for x in $(find irclogs/ -name "*something*.log" -print) ; do egrep --only-matching "http(s?):\/\/[^ \"\(\)\<\>]*" $x ; done

# egrep AND .*
egrep "link.com.*10.7.7.7." /var/log/squid/access.log

# Run a script through ssh and not placing a file on a server
ssh 57.57.25.82 -l admin -C < local_script.sh
echo "Generated on: $(date)"

# Compare VRRP status on two nodes
ssh -o StrictHostKeyChecking=no [email protected] -C "show vrrp" &&  ssh -o StrictHostKeyChecking=no [email protected] "show vrrp"