# servers.sh
export MAILSERVERS="server1 server2 server3"
export WEBSERVERS="www1 www2 www3 www4"
然后我可以下一个像这样的简单的脚本:
#!/bin/bash
### Assess disk space on mail servers
source ./servers.sh
for i in ${MAILSERVERS} ; do
echo =========${i} =============
ssh root@${i} "df"
echo ============ =============
done