Cooking with Linux - It's About Time!
Time, François...it's all about time. Yes, I'll explain in a bit, but for now, time is running out and our guests will be here shortly. Just make sure the main server is updated against the reference time server. Forget that, mon ami. I'm sure it's accurate, and besides our guests have arrived! To the cellar, immédiatement! Head to the South wing and bring back the 2001 Châteauneuf du Pape, the Guigal we were sampling earlier this evening. I will show our guests to their tables.
Welcome, mes amis to Restaurant Chez Marcel, home of great wine, exquisite Linux and open-source fare and, of course, world-class guests. Please, sit down and make yourselves comfortable. I've sent François to the cellar to bring back tonight's wine selection, and he should be back shortly. You may notice an overabundance of timepieces on your respective desktops, so I'll start with a little movie history, by way of explanation.
I'm going to pretend that some of you are old enough to remember the 1960 George Pal movie version of H.G. Wells' The Time Machine. In the movie, George, the H.G. character, has a room filled with ticking clocks of every kind: cuckoo clocks, grandfather clocks—you name it—no digital clocks though. If you don't remember that, perhaps you remember Robert Zemeckis' 1985's Back to the Future, starring Michael J. Fox. Doc Brown, played by Christopher Lloyd, has his own lab full of ticking clocks. Guess which one takes its inspiration from the other? Take a look at Figure 1, mes amis, and you'll see a Linux desktop version of George's Victorian home or Doc Brown's lab—depending on your video memory.
Some of you may be asking yourself why people would possibly want another clock on their system. After all, both KDE and GNOME have a clock embedded in their panels. Click on the clock, and a nice little calendar pops up, as in my desktop screenshot (Figure 1). Clocks are cool though, and some are more cool than others. On today's menu, I have several clocks for your enjoyment. From the super-stylish to the decidedly strange, you are bound to find something you like. Here is something you will definitely like and perhaps even love. My faithful waiter has just returned with the wine. Please pour for our guests, François.
While François pours the wine, I want you to take one more look at the clock in the lower right-hand corner of my KDE kicker panel. That's not the default KDE clock, but Fred Schättgen's StyleClock, a themeable replacement that includes an alarm clock and a countdown timer (your chef has used it to take little naps at his chair).
From the menu, you can set an alarm or a countdown timer. Both modes come with some one-click presets, but both the alarm and timer allow for a custom setting. Of course, we also can select themes for that special visual touch. I happen to like the analog styles, but StyleClock comes with both analog and digital themes. There's also the mandatory, super-geeky, binary clock.
Speaking of binary clocks, if you've been reading this column for a long time, you know that although I tend to run a KDE desktop, I still have an enduring fondness for Window Maker and its trademark dock apps. It is for this reason that I now direct your attention to Thomas “Engerim” Kuiper and Sune Fjod's wmBinClock. This slick little Window Maker dock app can display the time vertically or horizontally (horizontal is the default). You read the time by doing binary translation of LEDs that are either on (1) or off (0). When reading the time horizontally, the seconds are the two vertical rows of LEDs on the right. The two middle LEDs are minutes and so on. This is a great little application, and no, you don't need Window Maker to run it. It works just as well under KDE or GNOME.
Maybe you aren't running a graphical display, or you have a fondness for running things in a terminal window, but you would still like a binary clock. Nico Golde's BinClock displays the time in a terminal window. By default, the time is displayed similarly to wmBinClock (Figure 3), but this is a one-time display. To run the clock continuously, you must use the -l option to loop:
Use the -h option to see a number of command-line options that let you run the clock in a single-line or traditional mode or change the color of the ones and zeros. Of course, if you want to do straight text, you simply could type the date command in your terminal window. If you want a calendar for the current month, type cal. I do, however, want to focus on the desktop.
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