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> **Possible Duplicate:**  
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> [What tool do you use to monitor your servers?](https://serverfault.com/questions/44/what-tool-do-you-use-to-monitor-your-servers) 
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In Windows I use the Performance Monitor to see how much CPU, memory etc my server is using. Is there something similar to see percentage of memory use, percentage of CPU use etc for Linux? (other than vmstat) What is the best for real time analytics for Linux?