Operating Systems


operating systems stuff

Nesono-Bin Bashtils RM to Trash Now with Put Back Support

I just changed my helper script, which moves the specified files into Trash instead of deleting them directly to use the Finder by calling AppleScript. This change now enables the Put Back feature from Mac OS X Trash, which was not available using the method before. Get a copy from github and enjoy.

A usable R-GUI under (Windows), Mac OS X, and Linux

Some days ago I found a nice GUI for R: RStudio! It works as it should always have been: with a workspace/data browser, script editor (with source on save), documentation viewer, file browser, and a plot view. If you already feel familar with R, you should definately check it out, it will probably second your workflow as hell. At least it did for me…


Linux Server for iCal and Apple Address Book

Today I read about an DAViCal update, which is supposed to support the CardDav protocol, the native Apple Address Book protocol. I started by creating an “Addressbook Principal” by Hand using the DAViCal web interface, as also explained in the DAViCal Wiki and set its name to ‘contacts’. The point is, that I can add a contact either on my phone or desktop and it syncs automatically. No more need to synchronize devices by hand!

Software RAID Problems under Mac OS X

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From time to time, my software RAID 1 behaves ugly. After sleep periods for instance, it ejects and is no longer in sync. Today, I read an article from Apple, which seems to address my problem. They are using diskutil on the command line and it seems to provide more information about the RAID’s status than the Disk Utility GUI. It presents information like this.

Merging and Encrypting Multiple PDF Files under Mac OS X (Snow Leopard)

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Today I needed to merge and encrypt multiple PDF files into one and thought to remember it to be an easy task. Well, it is actually, but with some things to keep in mind and hence this post. So, if you want to merge PDF files in Mac OS X, you can do the following:

Enable Spell Checking in VIM for Latex, etc.

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Yesterday, I needed to start spellchecking my latest paper and gave :help spell a try in vim. The following line made me almost completely happy:

:setlocal spell spelllang=en_us

After that, typos were highlighted with respect to the alleged error made and suggestions are queried using z= for the word under the cursor or the selection in visual mode. Alternatively, the word can be added to the list of accepted words by pressing zg.