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scponly is an alternative ’shell’ (of sorts) for system administrators who would like to provide access to remote users to both read and write local files without providing any remote execution privileges. Functionally, it is best described as a wra
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One of the greatest performance tools today for any aspiring systems engineer, or even your average joe, is the program called "top". It's a very useful tool that can tell you a lot of information about your system, it's current performance, sys
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Although using public key authentication instead of passwords is a great method for increasing the security of SSH transfers, transferring SSH identity keys can be a royal pain. First, you create your key pairs; then, you copy the public key into th
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Preload is an "adaptive readahead daemon" that runs in the background of your system, and observes what programs you use most often, caching them in order to speed up application load time. By using Preload, you can put unused RAM to good work, an
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Linux does a good job when it comes to memory allocation. If memory isn’t being used or hasn’t been used for awhile it gets put into a cache where it can readily pulled. At times though this cache can become pretty big (especially for a program that
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After some thinking and further reading on the net, I finally figured out a fairly simple way create a bootable Ubuntu 7.10 LiveUSB stick. And all under Linux. Here are the simple details I came up with to set up and configure a very minimal Ubuntu
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When you use a system often, you tend to fall into set usage patterns. Sometimes, you do not start the habit of doing things in the best possible way. Sometimes, you even pick up bad practices that lead to clutter and clumsiness. One of the best way
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CPU Scaling is a feature built into most modern (mobile) CPUs that allows them to scale up or down in how fast they run and how much energy they suck down based on demand. If you have a fairly modern mobile computer there’s a very good chance that y
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I wanted to test ShowMeDo’s rendering on IE6. My Windows XP box uses IE7 and I figured my Ubuntu box could run IE6 via Wine…it turns out to be just a simple install step. I was up and running within 5 minutes.
First - install wine. Second, get th read more »
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First - install wine. Second, get th read more »
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How do I improve my file server performance. I’ve many large files in directories and how do I speed up access time?
Use e2fsck command. The -D option causes e2fsck to try to optimize all directories, either by reindexing them if the filesystem s read more »
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Use e2fsck command. The -D option causes e2fsck to try to optimize all directories, either by reindexing them if the filesystem s read more »
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