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Pages with category X11

  • My Story

    I have had this problem for a while now.

    On my server, I run X11 whenever I work with it. Otherwise, I quit X11 since it otherwises uses a lot of resources. This gives my users a much better experience (i.e. better browsing and a lot of it happen at night for me because I live in California and I have loads of hits from France, Algeria, Tunisia, Marocco, etc.)

    So... my wife and I both have a Unix account and we both start our own version of X11.

    Hers rarely get stuck, mine seems to get stuck once a week or once a month.

    Often, it is because after she quits I have to wait for

  • Under X-Windows, I use the QWERTY keyboard because I'm so used to it. But once in a while I want to write something with an accent or a special character. To do that I use the compose key. In my case the compose key is the Caps Lock key. So I push the Caps Lock once, and then two other keys to get the character I want. For example, the c with a cedilla is c with a comma: ç.

    The following is the content of the Compose file available on Linux Ubuntu (/usr/share/X11/locale/en_US.UTF-8/Compose):

    # UTF-8 (Unicode) compose sequence
    # by David.Monniaux
    #
    
    # Part 1 - Manual ...
  • Getting the OS

    First go to http://www.ubuntu.com and get the latest version you're interesting in. They offer server version that they support for 5 years or so. I suggest one of those if you want to run a server. This is an ISO, in generate around 600Mb so be ready to wait a few hours... Even with a really fast connection, because the transfer will be limited by the mirror in most cases.

    WARNING
    Unless you know better, I strongly suggest you get the Ubuntu Server version. Maybe a bit more annoying to use BUT it works on ALL computers. And ...
  • Argh! It happened again and I just couldn't remember the key strokes. And it's hard to find the docs about it so I write my own right here. What's all that about?!

    In X11, when you inadvertendly hit "Num Lock" on your keypad while you're holding the Shift key down, you actually turn ON this special Keypad feature: the Keypad becomes a mouse!

    Hit Shift + NumLock again, and you get out of that mode (i.e. a toggle)

  • Today I got a new video card because it looks like the old one I had was going bad. I hope that was not my KVM, although we'll see when it gets hot again, whether the video goes bouncy again or not... If not, then the old card is good for the trash (although it works in console mode just fine!)

    So I got a new card. My old one was a NVidia GT 220. Fairly old model. Yes.

    The new card is an NVidia GT 630 (to be precise: Asus GT630-SL-2GD3-L.)

    When I tried to start X11, I saw an error (really quick) and the system did not come up. Looking closer into the matter, I could see that the NVidia ...

  • When you use Ubuntu X11 you at times want to start an application as Root.

    In your console you'd use the sudo tool which gives the command temporary super-user powers.

    sudo my-command

    In Ubuntu Gnome you can do the same using the gksu command. So add an icon, enter the usual information, and for your command, add gksu in front of it. When clicked, you'll first get a prompt asking you your sudo password, then the command is executed as if the root user had started it.

    gksu faxanwer ttyS0
  • I got a bad one today with Debian which took me an extra hour (at least) to find out.

    It can happen to you and that's why I'm writing this page:

    X11 starts and quits right away without any error — I had some errors about the system not being able to load some modules, I removed them by fixing my XFree86 configuration file. Really, there was no errors.

    Ha! But there was ONE error. 

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  • Internet Explorer

    Internet Explorer is the browser offered by Microsoft to browse your file system and the Internet. It is based on the old free software called Mosaic. Now it is borrowing parts of other free software such as Konqueror. It first used Visual Basic as a language, now it supports Javascript very well too. It was a great browser in competition with Netscape 5.x from the start (trying to undermine the company named Netscape.)

  • IsNull

    The Visual Basic function to check whether a value is set to Null. The PHP equivalent is is_null().