Category: software

andLinux – Using Linux on Windows

I’m a passionate Gentoo Linux user, but on my notebook I use primarily Windows XP. I always missed some applications, mostly GnuCash, which has not been ported to Windows right now.

Some time ago I came around andLinux, a virtual Linux for Windows. andLinux is based on coLinux and uses the Ubuntu package repository. It is currently in beta stage, because it is still missing an installer. The download is about 130MB and extracts around 2GB to the HDD. Main advantage of coLinux is (unlike VMWare) that memory for the started processes is only allocated as required, as it is not run in a virtual machine but every started process is a real process on the host system.
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tag2find out!

After working very hard for the last several weeks, I’m proud to announce that my colleagues and I managed to get the first public preview version of our product “tag2find” out readily for X-mas this year.

We managed to keep our scheduled release date by 2006-12-21 after a 44h non-stop programming marathon. Actually, that was quite some fun…

After all the stress of the last weeks, I’m now out for holidays. I wish you all a nice X-mas and a Happy New Year! See you in January 😉

A Small “Patch” for Scuttle

Yesterday I realized, that our internal office installation of Scuttle (SF project page) suffered a minor bug: it kept on sorting all bookmarks by date, but in ascending order, i.e. the oldest bookmark was displayed first.

After doing some research, I quickly found out that this seems to be a “bug” (well the devs say it isn’t but one can argue…) of MySQL, caused by an optimization of a SELECT DISTINCT queries.

So I patched services/bookmarkservice.php and removed the DISTINCT keyword in the SQL-query of getBookmarks() (line 249, version 0.7.2).

Up to now, I did not experience any duplicate lines caused by this. I think, I’m going to report this minor issue upstream.

Update: hmm, ups, when searching, you will most certainly get duplicate results… I’ll check in the evening.

Update 2: Ok, so I wrote a litte more extensive patch, by wrapping the original SELECT DISTINCT statement as a subselect and ordering the result as such. This now really works. The patch for 0.7.2 can be downloaded here. You have to apply it to services/bookmarkservice.php.

Update 3: Ok, I somehow managed to delete the patch file. I am sorry. I will look if I can find it in any of the old backups, but I am not too convinced about this.

KDE-Style Window-Movement on Windows

One of the minor features I admire most in the common X11-Window-Manager implementations on Linux is the fact that you can move and resize Windows easily without first moving the mouse to a special location of the particular window: Dragging your mouse while holding Alt+(Left-Mouse-Button) will move the window, holding Alt+(Right-Mouse-Button) will resize the window on its nearest edge.

I always missed this little feature when working on Windows. Today I found a script for AutoHotkey, which is a free (GPL) scripting environment for hotkeys. After installing AutoHotkey, simply download and launch the script by double-clicking it and now you’ll have the same behaviour for window movement and resizing as under KDE. Really cool!

AutoHotkey can do a lot more, unfortunately I have not yet had time to try out more.

Scuttle: Your Own Server-Side Bookmarks the del.icio.us’ Way

I have been using del.icio.us since I first heard about it (by reading an announcement of its acquirement by Yahoo!) and I have to confess I was taken by the approach. The only thing I didn’t like was the fact that I didn’t have my bookmarks and the service under control.

Thanks to a note by Erik I found out about Scuttle, an open source clone of del.icio.us which everyone can host on his/her own server. (Please note: scuttle.org only offers their public bookmarking service, the software can only be located at their SourceForge page.) Scuttle is written in PHP and requires MySQL as database backend.

Scuttle offers most of the features of del.icio.us and can even import your bookmarks from there. Some minor usability-issues still arise, but I can live with them. Their API is compatible to del.icio.us so most external del.icio.us applications will work with Scuttle, as long as the tools allow you to specify the URL of the service. Additionally, Scuttle provides three levels of visibility for your bookmarks: public bookmarks, shared with your watchlist (= your friends/colleagues), and private bookmarks.

I installed Scuttle at my company and everyone is busy using it and is happy to now having a central place to store their bookmarks. Del.icio.us was no option for us because all bookmarks are public there.

I can strongly recommend using this software to everyone who wants to have a centralized way for storing their bookmarks without giving away all controls over their bookmarks.

NewsForge has published a nice review of the software.

Increasing Performance of VMWare Virtual Machines on External Devices

By default, VMware Workstation 5.x use a memory mapped file for backing the RAM of the simulated machines. This eases the pressure on the system’s page file. If you host the virtual machine on an external drive, however, this can become a bottle neck, especially if the external device is slow (e.g. USB 1.1, flash, etc.).

As described in this VMware Knowledge Base Article, you can turn of VMWare’s behaviour to use a memory mapped file and force it to use the system’s paging mechanism instead. To do so, you just have to add

mainMem.useNamedFile=FALSE

to your virtual machine’s configuration file (.vmx).

Opera for Free

Opera is now available for free, ads and registration have been removed.

Just gave it a quick try, and I have to say, I like it 😉 I think, Firefox is going to have to co-exist with Opera on my HDD.

Update: According to Heise.de (German), Opera has been downloaded over 1 million times within only two days, more than any previous (ad-enabled) version.