## Operators/Operations

 ∐ amalgamation \amalg ∧ logical and \wedge ∧ ∗

## looping through files with spaces in the filenames in bash

I sometimes have to transfer files with spaces in the names, I like using a for loop, but the usual way doesn't work. Usual way:  for file in find . -type f|grep .ext$ do /do/something/to$file done  To get around this I use a while loop with a read instead. Using the read will read to the end of the line, enclosing within quotes escapes the spaces. Unusual way:  find .

## Greek Alphabet

 A α Alpha A \alpha N ν Nu N \nu

## LaTeX

Not really ready yet...just fooling around...

## ejecting iPod under Linux

Symptom: iPod is blinking "Do Not Disconnect" even after you've umounted the filesystem.

## podcast using feedcreator.class.php/Podcasting with PHP

To create a podcast using php, I added a few things to the feedcreator.class created by http://www.bitfolge.de/rsscreator-en.html.

## International Characters (utf8) in vfat on Linux

I have a partition formated vfat on my laptop so that I can access it from both Linux and Windows. I store my iTunes music there, so some of the directories have UTF8 characters.

## Citrix Presentation Server 4.0 User login problem

We installed a new Microsoft Windows 2003 Server with Citrix Presentation Server 4.0. Administrators could login remotely, but regular users were denied with:

"The desktop you are trying to open is currently available only to administrators. Contact your administrator to confirm that the correct settings are in place for your client connection"

## Howto backup a directory using rsync and ssh

You can do this with rdist, but I prefer the rsync method.

You wish to backup a directory on machine A by making a copy on machine B. (In our case, machine B is a netapp, so we get further backup for free).

## SSH Key Problem Troubleshooting

I've wasted enough time with these seemingly simple tasks to warrant a quick post. The problem is that you've created keys, put the relevant files all over the place, but nothing seems to be working.
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