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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Power User’ Category

Mac/PC: sending Wake-on-LAN (WOL) packets

Posted by Jeroen Pluimers on 2014/07/25

I’ve succesfully woken up these machines:

  • HP XW6600 running ESXi 5.1
  • ThinkPad W701U running Windows 7

I still need to try to wake up a Mac Mini Server running OS X 10.6 (Snow Leopard).

MacBook Air on 10.7 (Lion) and Retina on 10.8 (Mountain Lion) won’t work as they are WiFi only, and WOL does not work over WiFi.

On 10.7 and up it might not work on a Mac Mini Server either, as Apple Introduced Dark Wake.

I used these tools to send WOL packets: Read the rest of this entry »

Posted in *nix, Apple, ESXi5.1, OS X, OS X Lion, OS X Mountain Lion, OS X Snow Leopard, Power User, VMware, VMware ESXi, Windows, Windows 7 | Leave a Comment »

to-markdown – an HTML to Markdown converter written in javascript

Posted by Jeroen Pluimers on 2014/07/24

It’s not perfect, but makes the conversion a heck of a lot easier: to-markdown – an HTML to Markdown converter written in javascript.

–jeroen

Posted in Development, JavaScript, JavaScript/ECMAScript, MarkDown, Power User, Scripting, Software Development, Web Development | Leave a Comment »

Using inotify-wait to check filesystem events

Posted by Jeroen Pluimers on 2014/07/21

Thanks to Using inotify-wait to check filesystem events I got pointed to How to use inotify-tools to trigger scripts on filesystem events which is now on my research list.

–jeroen

Note that Kristian later on commented this:

The solution shown in the article has race conditions and should not be used.

It is based on

while :
do
inotifywait $options && run-backup
done

and that means that while the backup runs, the directory in question is unmonitored. When the backup finishes, new changes may have been accumulating during backup run, but without being picked up by the backup.

A proper solution would do something like

inotifywait -m $options | while read line
do
do-something-that-logs-multile-changes-and-triggers-backup-once
done

The important thing is that “inotifywait -m” does not terminate and hence no changes will be lost. It is wrong to run the backup once in full for each change, though.

 

Posted in *nix, *nix-tools, Linux, Monitoring, Power User, SuSE Linux | Leave a Comment »

Good starting point for RAID information

Posted by Jeroen Pluimers on 2014/07/21

Accurate information about RAID is scattered around the internet.

This is a good starting point IBM’s Understanding RAID technology.

–jeroen

Posted in Power User, RAID | Leave a Comment »

BitTorrent Labs: BitTorrent Sync – distributed peer-to-peer syncing your files without online cloud storage

Posted by Jeroen Pluimers on 2014/07/18

Interesting for people that do not trust Cloud Storage providers: BitTorrent Labs’ BitTorrent Sync.

I’ve tried an early version, and it works “OK”. Not yet as well-integrated like for instance DropBox, but stable and fast enough.

Important thing for me: works on *nix, OS X and Windows. Hopefully mobile devices will follow soon.

At the time of writing (May 2013), it is the only cross platform freeware entry in Comparison of file synchronization software – Wikipedia, the free encyclopedia.

In the mean time, Thomas Mueller (dummzeuch)wrote a nice blog post with background information on this: Bittorrent Sync, a secure DropBox alternative » twm’s blog.

–jeroen

Posted in *nix, Apple, DropBox, Linux, Mac, MacBook, MacBook Retina, MacBook-Air, MacBook-Pro, OS X, OS X Mountain Lion, Power User, SocialMedia, SuSE Linux | Leave a Comment »

 
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