Linux alternative for Jiggler?

I'm wondering if there is a Linux alternative for Jiggler. Jiggler is a small OS X application which basically keeps your computer awake or your display from going to screensaver or switching off by "jiggling" the computer every so often if there has been no user activity. For example, you can tell it to "jiggle" every 2 minutes and it will then make sure that something happens at least every two minutes to keep the machine fully alert. You can also set it to "jiggle" only if certain applications are running although this bit isn't especially important to me - I don't think I ever used it.
What is nice about Jiggler is that you can start it when giving a presentation, for example, without having to reconfigure all of your energy-saving and display settings. If you then spend a while talking about a slide or in discussion, you don't have to keep returning to your laptop to bring the display back to life.

Mr.Elendig wrote:How about just run a script that toggles the dpms? That sounds like a much cleaner, saner and less hackish way.
Thanks very much. I had no idea what dpms was. Man pages suggest that this concerns whether or not the computer controls the power state of a display. So if it is enabled for a display, blanking, sleep etc. will be triggered for that display after a certain time according to the system's standard power management configuration. If it is not enabled, these will not affect that particular display. Is that correct?
So I could essentially disable dpms for the relevant VGA display. (I'm not bothered if my laptop display goes to screensaver etc. - just that the main output on the screen doesn't disappear.)
Is it possible to do this by simply writing "Off" to /sys/devices/pci0000\:00/0000\:00\:02.0/drm/card0/card0-VGA-1/dpms? Or would that be much too easy or otherwise ill advised?

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I am migrating my desktop from Windows 2000 to Redhat Linux 9.
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Thanks in advance.
Manoj

you are posting in the wrong forum.. this forum is for the Desktop Datacenter Oracle on Linux VMware kit..
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locking.

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Hi, here's a quick summary on installing Linux on my NB505-N508BN netbook (Win7 Starter, Atom Processor, 2GB RAM), If you're looking to have some fun with the netbook and are bored with Windows, try it out. Linux is free, open source sw and there are various linux packages. I chose Kubuntu (Ubuntu linux packaged by KDE).
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Cons: Battery gets drained faster than in Windows, and if you're looking for long hours of use, linux may not be for you.
From Windows, open a browser, and find/download Kubuntu 11.04, nicknamed "Natty Narwhal". Unzip it and find and run an installer called 'wubi'. It'll install Kubuntu alongside Win 7. You'll have to 'restart' to finish the installation at the end of which you restart once again. This time, hit F12 and you'll have the option to boot from Windows or Kubuntu. Choose Kubuntu. If you really want, you can also download and install an image file onto a USB drive (get the Universal-usb-installer-1.8.6.0.exe; look up Pendrivelinux.com) and run Kubuntu from the usb drive itself.
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Install Skype (the webcam video turns out a bit darker than in the windows version) and Dropbox to share files in the Cloud. For audio and video play, fire up and configure the Amarok and Dragon Player that come with Kubuntu. You'll lose the Fn-#3 and Fn-#4 key volume control but use a volume control app called KMix instead.
Connect to Wifi by finding your home or hotspot wifi (note: it saves your wifi passwd in sleep/hibernate, but not if you reboot; you have to reenter it).
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Download Avast! anti virus for linux (it's a 1 yr free subscription for a home workstation). Don't get the free AVG anti virus for linux -it doesn't install right. Note: you don't really need antivirus for linux, because linux is open source sw which is no safe haven for viruses. But I transfer files between my linux and windows folders, and so want to prevent ransferring a virus inadvertently). Download the Avast! DEB package: http://www.avast.com/linux-home-edition#tab4 and use right-click to open and install with GDebi package installer. Also setup a firewall (UFW or 'uncomplicated firewall'): https://wiki.ubuntu.com/UncomplicatedFirewall.
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Hope this gives you an idea of what you need to do to setup a linux alternative to Windows. Note: there are other flavors of linux like plain Ubuntu or others like Xubuntu and Edubuntu, openSUSE etc. Check out what they're about. Overall, if you are willing and able, you can have linux up and running and customized in a day or two. It's pretty cool. See some of the screenshots I have posted below as png graphics files.
The only downside I see: the battery doesn't last as long as it did running Win 7 starter, for the same kind of tasks. I think I get about 2/3 rd the number of hours that I would get with Win 7 starter. Someone did a detailed study (http://www.carstenboysenjensen.com/en/articles/linux-distro-battery-test.html) and discovered that other flavors of linux - even supposedly 'lighter' ones, fare no better wrt battery life and that the culprit might be excessive hard drive access (and, consequently, I suspect, the fan, which works harder to keep the drive and other components cool). But otherwise, my Kubuntu 11.04 install on my netbook is fast, stable and great to work with.
Cheers!
Nat
Attachments:
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nb505-n509bn-Kubuntu-DragonPlayer.png ‏204 KB
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nb505-n508bn-Kubuntu-PostingthisnoteinFirefox.png ‏103 KB

Hi, just a quick update. The 11.04 (K)ubuntu linux distro drains the battery significantly faster than Win 7. I recently learned that the kernel in 11.04 is far more power consuming than kernels used in previous distros such as 10.10 and that it is not clear why or how to overcome this. In this regard, the kernel in 11.04 is a step back from the earlier kernels, which is not a good thing for linux if it is to continue competing with Windows or the Mac's OS, particularly for very mobile devices such as laptops and netbooks that one wants to use unplugged and on battery alone for many hours -that's the whole point of being mobile. This is unfortunate, because Linux is otherwise a very viable and capable OS.
My advice to folks on this forum who still would like to play with linux is to try the older versions such as (K)ubuntu 10.10 or just hang on to Windows 7 for now.
Nat

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hello
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