ADMIN - Explore the new world of system administration! ADMIN is a smart, technical magazine for IT pros on heterogeneous networks. Each issue delivers technical solutions to the real-world problems you face every day. Learn the latest techniques for better:
network security
system management
troubleshooting
performance tuning
virtualization
cloud computing
on Windows, Linux, Solaris, and popular varieties of Unix.
Secure your enterprise, monitor system performance, and more by harnessing the power of Splunk to search, monitor, report, and analyze events and data from any source.
LXC is fully integrated into the kernel, providing a fast and easy approach to virtualizing individual programs and whole systems on Linux without the need for patches and additional modules.
In testing the Phenom II X6, Linux Magazine noticed that AMDs new processor doesn't have the full performance under the current Linux kernel. A bug in Linux power management throws a wrench into the six-core processing.
To check on the health of a Linux system, administrators can turn to vmstat, iostat, netstat, and ifstat. Or, you can just use the versatile dstat, which combines the features of several tools in a single package.
Even tried and trusted configurations that have proved their value through the years can be tripped up by special cases – for example, all of your users logging in with the same IP address. Experienced administrators and Bash aficionados will then enable debugging and launch a systematic search for configuration errors.
Automation tools save time and keep your systems awake.Cover Stories:
Pacemaker: Use the popular Pacemaker high-availability monitoring tool to relaunch failed services.
Soft...
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Free Video Archives! CeBIT Open Source Forum 2012
The presentations were streamed live from CeBIT and are now available in the Linux New Media video archive!