By Hindermath (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

44 Rules for Server Administration

The recent German Linux Magazin had a nice article about rules for server administration.

basics:

  1. use different machines for services which need the same performance resources
  2. monitor your services
  3. limit your swap processes
  4. do not waste memory installing unneeded applications
  5. separate partitions for system, logs and data
  6. log everything
  7. save the configuration before any change
  8. keep static content in the cache
  9. stop intruders at the firewall
  10. use port knocking

Continue reading 44 Rules for Server Administration

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By weinstock [CC0], via pixabay

File Scrubber for iLiad

Copying files from Mac OS-X to the iRex iLiad reader creates .DS_Store files and ._ files on the iLiad. Sometimes this seems to be a problem – some PDFs could not be opened any more. Unfortunately those files are not visible in the OS-X finder. Connecting the iLiad to an WinXP computer allows to remove them but it is really clumsy having to use multiple computers.

Matt Jadud, wrote an OS-X a application called iliad-scrub which runs through the iLiad folder and cleans the files automatically. Thanks Matt!

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By Ellery W. Stone [Public domain], via Wikimedia Commons

chm to pdf

CHM – Microsoft Compressed HTML Help – is a proprietary format for online help files, developed by Microsoft. Viewing CHM files using other operating systems is sometimes a little bit difficult.
Recently a CHM plug-in appeared for firefox which should be some help.
Sometimes it is still necessary to convert CHM files into other formats. While there are quite a lot of applications which could do that easily on Windows, it is still tricky for non-Windows systems.

e.g. for Mac OS X or other UNIX based OS
Continue reading chm to pdf

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