00 19 * * * sh /tmp/sem.sh>/dev/null 2>&1
28 16 * * * /usr/bin/salt ‘*‘ cmd.run ‘df -hl‘>/tmp/hd.$(date +\%F).txt
28 16 * * * /usr/bin/salt ‘*‘ cmd.run ‘free -l‘>/tmp/mem.$(date +\%F).txt
vim /tmp/sem.sh
echo "Hi，$(date +%F)硬盘和内存数据采集如附件。" |mutt toelf@126.com -s "硬盘和内存采集-$(date +%F)" -a /tmp/hd.$(date +%F).txt /tmp/mem.$(date +%F).txt
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原文：http://imperialzhang.blog.51cto.com/10620490/1710084