Previously we talked about using iostat to monitor local storage on your server or compute nodes, but what if you use NFS in your compute nodes to run jobs? The nfsiostat tool can help you understand the kinds of loads applications running on an NFS client put on the NFS storage server.
Rootkits allow attackers to take complete control of a computer. We describe the tricks intruders use to gain access to the Linux kernel and provide guidelines on hardening the kernel against such attacks.
Kernel Rootkits and Countermeasures
Fedora is a trend-setting distribution that sets the pace for future developments of Red Hat Enterprise Linux. Administrators, regardless of whether they use Fedora, are well advised to look at the newest innovations of the Fedora distribution.
With the seemingly unlimited number of Linux packages available today in repositories, sometimes it’s easy to get lost and miss out on the really high quality packages – those that offer the most impressive functionality.
Netcat – The Admin’s Best Friend
Seamless Integration: Linux with Active Directory
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