In this section we recommend some tools that we believe will be of great use in measuring the performance of your servers and applications in your network.
An important aspect to keep in mind to ensure high availability of services or applications that run in the cloud, is the maintenance of the servers. You must know in detail the state of some features that determine the performance and lifetime of devices or servers responsible for processing and storing information.
“iostat” is a linux command with which you can get a set of data related to the use of your server disk. Also displays information about CPU usage, and I/O statistics about all the partition
“wget” is a linux command to retrieves content from web servers
“iperf” is a tool to measure the bandwidth and the quality of a network link
“bmon” is a portable bandwidth monitor and rate estimator
“vnStat” is a console-based network traffic monitor for Linux and BSD that keeps a log of network traffic for the selected interface(s)