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  • Erros installing archlinux on macbook air

    - by user1021852
    I have "installed" Archboot on my macbook air, and I am getting screen problems after it loads UDEV, it is last thing I can read. Basically I am following this instructions. But then I got error that when installing grub legacy. Something about that it has no support of gpt. And I cannot find anything about bios-compatibility. P.S. it only took one try too install it on macbook 6,2 and few dozens in macbook air without results.

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  • ftp server offering http access ?

    - by MikeJ
    Is there an FTP server that can also provide access via HTTP? Or what do I need to do to set up the mirror of FTP through HTTP access ? Some of my clients cannot access our FTP because of corporate policy and cannot get updates from me. However, they can use HTTP. Currently I use filezilla because it was fast/easy to set up but would switch to something with more flexibility.

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  • Looking for Fiddler2 help. connection to gateway refused? Just got rid of a virus

    - by John Mackey
    I use Fiddler2 for facebook game items, and it's been a great success. I accessed a website to download some dat files I needed. I think it was eshare, ziddu or megaupload, one of those. Anyway, even before the rar file had downloaded, I got this weird green shield in the bottom right hand corner of my computer. It said a Trojan was trying to access my computer, or something to that extent. It prompted me to click the shield to begin anti-virus scanning. It turns out this rogue program is called Antivirus System Pro and is pretty hard to get rid of. After discovering the rogue program, I tried using Fiddler and got the following error: [Fiddler] Connection to Gateway failed.Exception Text: No connection could be made because the target machine actively refused it 127.0.0.1:5555 I ended up purchasing SpyDoctor + Antivirus, which I'm told is designed specifically for getting rid of these types of programs. Anyway, I did a quick-scan last night with spydoctor and malware bytes. Malware picked up 2 files, and Spydoctor found 4. Most were insignificant, but it did find a worm called Worm.Alcra.F, which was labeled high-priority. I don’t know if that’s the Anti-Virus Pro or not, but SpyDoctor said it got rid of all of those successfully. I tried to run Fiddler again before leaving home, but was still getting the "gateway failed" error. Im using the newest version of firefox. When I initially set up the Fiddler 2.2.8.6, I couldn’t get it to run at first, so I found this faq on the internet that said I needed to go through ToolsOptionsSettings and set up an HTTP Proxy to 127.0.0.1 and my Port to 8888. Once I set that up and downloaded this fiddler helper as a firefox add-on, it worked fine. When I turn on fiddler, it automatically takes my proxy setting from no proxy (default) to the 127.0.0.1 with Port 8888 set up. It worked fine until my computer detected this virus. Anyway, hopefully I've given you sufficient information to offer me your best advice here. Like I said, Spydoctor says the bad stuff is gone, so maybe the rogue program made some type of change in my fiddler that I could just reset or uncheck or something like that? Or will I need to completely remove fiddler and those dat files and rar files I downloaded? Any help would be greatly appreciated. Thanks for your time.

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  • How to get a good clean newspaper scan?

    - by itsadok
    I tried a few times to scan newspaper articles, but the images I got were always blotchy and with bad colors (sort of like this). Sometimes I see some really good scans, like this. What is the trick to get such good results? Do I need some high-quality scanner, or do I need some good photoshop filters? If there was something I could do using free tools it would be awesome.

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  • Expectations for NTFS file recovery

    - by Fred Hamilton
    Yesterday I booted my XP system, and as I looked up a minute later I saw the light blue screen and tail-end of that pre-boot diskcheck Windows sometimes does if it finds an error (or was previously told to run a diskcheck drung the next boot). I didn't worry about it at the moment... But then I looked at my "scratch" disk, which was a 70% full, 750GB hard disk...and it now looks like it has been freshly formatted. It doesn't have a single file on it, just the hidden "System Volume Information" file and 750GB of freedom from data. I looked at some of the recovery tools from the Free NTFS partition recovery question and decided to try PC INSPECTOR™ File Recovery 4.x initially. It ran overnight and afterwards returned a list of thousands of files it could recover. The odd thing was that the filenames were lost, but the file extensions were not (WTF?). And all of the files were exactly 1,472kB in size. I recovered a dozen PDFs as a test, and 80% of them displayed OK despite being padded out to 1.5MB (though I assume any files 1472kB are hosed). My primary question is: Is this the best I can expect from any file recovery software when trying to recover NTFS files? Or is there perhaps something better out there? I assume this is as good as it gets, but wanted to check in with the experts first. Bonus questions: What might have happened to my drive? I didn't intentionally format it. I've never seen a disk error cause the drive to suddenly become a clean, reformatted drive. Could some malicious/confused software have told my PC to format my disk on reboot? Is that even a function Windows XP has? Why can the file extensions be recovered but not the filename? Does NTFS really treat them as separate entities? I thought I had 8.3 naming turned off, but maybe that had something to do with it. Or maybe it looks at the data in the file and guesses the extension?

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  • What are these folders in the root of my drive?

    - by Max Schmeling
    The following folders keep showing up: C:\Default\ C:\NativeImages\ They both have a ton of folders in them witha bunch of html files in each folder. I'm assuming this has something to do with NGEN because of the NativeImages folder. How do I get rid of these folders and keep them from coming back? Or otherwise move them so they get put somewhere else? Thanks

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  • Watching a variable for changes without polling.

    - by milkfilk
    I'm using a framework called Processing which is basically a Java applet. It has the ability to do key events because Applet can. You can also roll your own callbacks of sorts into the parent. I'm not doing that right now and maybe that's the solution. For now, I'm looking for a more POJO solution. So I wrote some examples to illustrate my question. Please ignore using key events on the command line (console). Certainly this would be a very clean solution but it's not possible on the command line and my actual app isn't a command line app. In fact, a key event would be a good solution for me but I'm trying to understand events and polling beyond just keyboard specific problems. Both these examples flip a boolean. When the boolean flips, I want to fire something once. I could wrap the boolean in an Object so if the Object changes, I could fire an event too. I just don't want to poll with an if() statement unnecessarily. import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; /* * Example of checking a variable for changes. * Uses dumb if() and polls continuously. */ public class NotAvoidingPolling { public static void main(String[] args) { boolean typedA = false; String input = ""; System.out.println("Type 'a' please."); while (true) { InputStreamReader isr = new InputStreamReader(System.in); BufferedReader br = new BufferedReader(isr); try { input = br.readLine(); } catch (IOException ioException) { System.out.println("IO Error."); System.exit(1); } // contrived state change logic if (input.equals("a")) { typedA = true; } else { typedA = false; } // problem: this is polling. if (typedA) System.out.println("Typed 'a'."); } } } Running this outputs: Type 'a' please. a Typed 'a'. On some forums people suggested using an Observer. And although this decouples the event handler from class being observed, I still have an if() on a forever loop. import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Observable; import java.util.Observer; /* * Example of checking a variable for changes. * This uses an observer to decouple the handler feedback * out of the main() but still is polling. */ public class ObserverStillPolling { boolean typedA = false; public static void main(String[] args) { // this ObserverStillPolling o = new ObserverStillPolling(); final MyEvent myEvent = new MyEvent(o); final MyHandler myHandler = new MyHandler(); myEvent.addObserver(myHandler); // subscribe // watch for event forever Thread thread = new Thread(myEvent); thread.start(); System.out.println("Type 'a' please."); String input = ""; while (true) { InputStreamReader isr = new InputStreamReader(System.in); BufferedReader br = new BufferedReader(isr); try { input = br.readLine(); } catch (IOException ioException) { System.out.println("IO Error."); System.exit(1); } // contrived state change logic // but it's decoupled now because there's no handler here. if (input.equals("a")) { o.typedA = true; } } } } class MyEvent extends Observable implements Runnable { // boolean typedA; ObserverStillPolling o; public MyEvent(ObserverStillPolling o) { this.o = o; } public void run() { // watch the main forever while (true) { // event fire if (this.o.typedA) { setChanged(); // in reality, you'd pass something more useful notifyObservers("You just typed 'a'."); // reset this.o.typedA = false; } } } } class MyHandler implements Observer { public void update(Observable obj, Object arg) { // handle event if (arg instanceof String) { System.out.println("We received:" + (String) arg); } } } Running this outputs: Type 'a' please. a We received:You just typed 'a'. I'd be ok if the if() was a NOOP on the CPU. But it's really comparing every pass. I see real CPU load. This is as bad as polling. I can maybe throttle it back with a sleep or compare the elapsed time since last update but this is not event driven. It's just less polling. So how can I do this smarter? How can I watch a POJO for changes without polling? In C# there seems to be something interesting called properties. I'm not a C# guy so maybe this isn't as magical as I think. private void SendPropertyChanging(string property) { if (this.PropertyChanging != null) { this.PropertyChanging(this, new PropertyChangingEventArgs(property)); } }

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  • how to configure a dedicated server as a web server using shell?

    - by alhoseany
    I need some good tutorials that covers the topic of initial configuration of a dedicated server as a secure powerful and up to date web server. The server will have centos6 and cpanel already installed. And will be hosting wordpress and joomla websites. Security and flexibility is my big concern. I know about how to forge website but i need something more advanced and optimized for wordpress and joomla.

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  • How does NetCut work ?

    - by Manish Mathai
    NetCut is a software which enables a network admin to turn off the internet connection of any machine in a LAN. I want to know how it works. It has something to do with spurious ARP packets, however can't seem to find exactly how it works. I am looking for a detailed answer. Any takers ?

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  • invalid argument in bash script when port is bad

    - by user273689
    When I do this command I get an error when there is something wrong with the eth3. RESC="1234" RESD="1234" RESO="1234" RESC=$(ssh -q vmx@$1 cat /sys/class/net/$2/carrier) RESO=$(ssh -q vmx@$1 cat /sys/class/net/$2/operstate) RESD=$(ssh -q vmx@$1 cat /sys/class/net/$2/dormant) cat: /sys/class/net/eth3/carrier: Invalid argument cat: /sys/class/net/eth3/dormant: Invalid argument How can I use the invalid argument inside the RESC and RESD variable Thanks

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  • Different background images in Conemu tabs

    - by jasper
    Is it possible to assign different background images to tabs in Conemu? Console2 supports custom backgrounds per tab, and I'd like something similar to the functionality it provides. Perhaps I can set this in Startup - Tasks or via the command line of a running tab, but I can't find any information on it. e.g. Tab1 cmd "cmd.png" Tab2 powershell "ps.png" Tab3 Visual Studio Command Prompt "vs.png" Tab4 Admin:cmd "warning.png"

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  • Qemu not installed on ubuntu with xen 4.0.1 ?

    - by Disco
    I'm kinda confused. I've installed Xen on a fresh/clean ubuntu 10.10 server (x64) using : hg clone xen-4.0-testing.hg make world make install-kernels Trying to launch qemu; first "not found" Then I installed from source (from tarballs at qemu.org) But then qemu complains about not finding /dev/kvm Am I missing something here ? I thought that qemu was part of xen install (at least it was from 3.x series). All i have is qemu-img-xen and qemu-nbd-xen.

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  • Working around Gmail mailing-list “feature.”

    - by Paul J. Lucas
    I'm using Google Apps for my domain's e-mail via IMAP. Whenever I send mail to a mailing list, I don't receive a copy of my own mail back in my inbox. According to Google, this is a "feature." Is there a way to disable this "feature" so that all mail I send to mailing lists appears in my inbox just like all other e-mail? Perhaps something along the lines of this method for disabling Google's spam filter??

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  • What's the most popular portable applications manager?

    - by Andy Mikula
    I have a bunch of applications I carry around on a small flash drive, but I find it hard to keep everything up to date. I know about portableapps.com, but are there any other websites / repositories / resources on the subject? Ideally I'd like something that can manage both the 'installation' and updates for a range of tools.

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  • Virtualbox alert on screen changes

    - by rush
    I'm using Debian GNU/Linux + awesome. Inside it I use virtualbox with ms windows. Most time I spend in Linux, however I constantly need to monitor if something new happens in the guest system. Is there any way to make virtualbox alerting about any changes on guest screen (clock is disabled, therefore only new mail or instant message may change the screen)? PS. Unfortunately I can't to move mail and instant messages from windows due to specific clients for only internal network.

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  • How do I add IPv6 address into System32\drivers\etc\hosts?

    - by Evgenyt
    There is already by default, and it works (Win 7): ::1 localhost This also works (testing with ping): ::1 hosta But when I'm trying to add something non-loopback, it doesn't resolve: fe80::215:afff:fec6:ea64 realhost So that I can do: C:>ping fe80::215:afff:fec6:ea64 Reply from fe80::215:afff:fec6:ea64: time=2ms But can't go with hostname that I put in hosts: C:>ping realhost Ping request could not find host realhost. ... Any way to add an IPv6 address to hosts in Windows?

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  • Software that annotates audio and video files

    - by tvanover
    I am looking for free or inexpensive software that I can watch video or listen to audio files and annotate what is happening as I watch. I am looking for something akin to audacity's label track but in a simpler application that also supports video. We don't need to edit the video or audio itself. It needs to be able to run on windows 7. Also if possible to have a setting where every 20 seconds the playback pauses to allow for annotation.

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