aggregate logs from multiple servers
###Make sure you have expect installed. if not, run the following code to install it.
yum install expect
#apt-get install expectchmod +x run.sh
chmod +x scp.tcl###Write down all hosts in server.list
10.10.10.1
10.10.10.2
10.10.10.3
10.10.10.4
10.10.10.5
10.10.10.6
10.10.10.7
10.10.10.8
10.10.10.9###Download logs from all the servers.
./run.sh /var/logs/access.log###Download log from one server
./run.sh /var/logs/access.log 10.10.10.1