PUBLIC MARKS from solrac with tags admin & linux

Learn how to check the integrity of your Linux filesystems, monitor free space, and fix simple problems. Use the material in this article to study for the Linux Professional Institute (LPI) 101 exam for Linux system administrator certification—or just to check your filesystems and keep them in good working order, especially after a system crash or power loss.

Start tuning your Linux system for power efficiency. This article will get you up to speed on the components and concepts you need to fine-tune a Linux-based System x server for power efficiency. Learn how to enable the Linux CPUfreq subsystem, get instruction on C and P states, and determine which of the five Linux in-kernel governors you need to boost power efficiency on your system.

Learn the steps involved in migrating your environment to that of a Linux client, including technical planning. Based on customer experiences, this article offers a comprehensive guide to planning and executing your migration while minimizing disruption to your users.

Here's a great cheet sheet on managing NFSv4 ACLs on different filesystem with different commands. This article discusses and compares the different commands that you might use to migrate from one filesystem to another.

For embedded Linux engineers and aficionados, one exciting aspect of cloud computing is the sudden interest in thin Linux clients. Explore cloud computing from a Linux perspective and discover some of the most innovative and popular Linux-based solutions—with a particular view toward Linux thin clients and environmentally beneficial options.

As a Linux administrator, you may encounter rootfs errors like cannot mount rootfs and kernel panic when you try to reboot a server after attaching volumes from external storage or even after installing a new Linux operating system. This article outlines the Linux booting process on an x86 platform, shows why this problem happens, and offers four tips to avoid it or fix it. This is a straightforward approach to finding a quick solution that can help you avoid a lot of grief.