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In the Can  

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LXC creates system containers that let administrators isolate security and critical services. We show you how to set up such a system within a system.

VirtualizationChanged Everything  

Patched  

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The latest gadget lies temptingly on the table in front of you, but it doesn't work with the Linux distribution you are currently using. What now? This month's Admin Story is all about modifying standard Linux packages.

grml 2011.12  

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APieceof the Pie  

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Fixed partitions on a Linux system can be created easily using tools such as fdisk, but the assignments tend to be wrong or the partitions too small at the worst possible moment. LVM requires slightly more effort at install time, but it soon pays dividends.

Mobile Manager  

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Using a tablet as a portable management console makes sense but could make you too accessible.

Simultaneous  

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Cl uster filesystems such as GFS2 and OCFS2 allow many clients simultaneous access to a storage device. Along with DRBD and Pacemaker, this offers a low-budget option for creating a redundant service – but you need to watch out for a couple of pitfalls.

Sniff Test  

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Tcpdump is a general-purpose packet sniffer and incident response tool that should be in your toolshed.

2026

To the Rescue  

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Knoppix boots from the DVD drive and comes with a collection of powerful troubleshooting tools. Knoppix creator Klaus Knopper counts down his favorite rescue utilities.

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