New answers tagged amazon-ec2
I'd add the following 3 tools into the mix as well. Assuming you have them installed, if not you should be able to install them via whatever repository is provided to your ec2 instance. The high load is likely being caused by either disk or network I/O so I'd focus on those 2 areas to start. nethogs Networking would be my first suspicion, to diagnose that ...
(My anecdotal take) I suspect that the Wordpress has generated the spam traffic. Wordpress sites are known for their spam-attracting tendencies if you do not configure them. Furthermore, it is possible that spambots are configured to launch other sort of attacks on the instance. Have you configured the instance to keep all ports closed?
As you said, iotop is a good utility for the task, you may also want to take a look at theses tools: lsof to see the files per process. dstat give a live report on all of the system activity sar can give you a good history of your system activity
To quote from the sshd_config manpage: AllowUsers This keyword can be followed by a list of user name patterns, separated by spaces. If specified, login is allowed only for user names that match one of the patterns. With this setting, the only user you can log in as is the one you specificed on the ...
Login to mysql mysql -u root -p Then execute: flush-privileges; If this doesn't work try: FLUSH PRIVILEGES; http://dev.mysql.com/doc/refman/5.0/en/server-options.html http://dev.mysql.com/doc/refman/5.0/en/mysqladmin.html
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