Script à ajouter dans .bashrc qui permet de se connecter sur une série de machines, directement en shell.

gistfile1.txt

# Copy list of servers in ~/.servers
function refresh_server_list
{
  for ip in $(seq 1 254) ; do nslookup 10.1.2.$ip | grep 'name =' | cut -d ' ' -f 3 | cut -d . -f 1 >> ~/.servers_tmp ; done
  mv ~/.servers_tmp ~/.servers
}

(refresh_server_list)

if [ -f ~/.servers ] ; then
  for hostname in $(cat ~/.servers) ; do
  if [[ $hostname != *-* ]]
  then
    # Replace . by _ because string with "." are not exportable 
    hostnameExportable=$(tr '.' '_' <<< $hostname )
    # Add hostname to environnement variable
    export $hostnameExportable="$hostname"
    # Add alias to connect to servers with server name
    alias $hostnameExportable="ssh user@\${$hostnameExportable}"
  fi
done
fi