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• ICS as guest in Ubuntu 12.04 host

  - by oshirowanen

  I have installed Android as per this guide as a guess os via VirtualBox: http://www.android-x86.org/documents/virtualboxhowto Using the following ISO: android-x86-4.0-RC1-eeepc.iso But I am unable to connect to the internet from within the android virtual machine. The host OS is Ubuntu 12.04 where the internet works fine. I have internet access via a usb wireless connection to the home router. All this is fine. If I install Ubuntu 12.04 as a guest, where the host is also Ubuntu 12.04. The guest os'es internet works fine out of the box. But for some reason, I can't get the above androids internet to work out of the box as the guest os. Anyone know what I am doing wrong?

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• yum / rpm / make | When to use which one

  - by Saif Bechan

  I am new to Linux and am running CentOs. When I want to update or install certain software I came across three ways. Sometimes it's: yum install program rpm -i program.rpm wget program.tar.gz unpack ./configure make make install That last one is a real pain, esp when you come from windows where a program install is usually one click and then a nice guide. Now can someone please explain to me: Why are there so many different ways to do this? Which one do you recommend to use and why? Are there any other ways for installing programs?

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• ubuntu-10.04-desktop-i386 does not work with HTTP preseed?

  - by netvope

  Installation media: ubuntu-10.04-desktop-i386.iso I tried a lot of different boot parameters, but either the installer ignored the preseed configuration, or it boot itself directly as LiveCD. An example of the boot parameters I've tried: auto url=http://mydomain.com/path/preseed.cfg boot=casper only-ubiquity initrd=/casper/initrd.lz quiet splash -- If I remove only-ubiquity, it boots as a LiveCD. If I remove boot=casper, it won't boot. If I add vga=normal locale=en_US console-setup/layoutcode=us console-setup/ask_detect=false interface=auto, it still can't do automatic install. If I remove auto, it's the same. What is the correct boot parameters for launching such an installation? From the apache log of the server hosting preseed.cfg, I see that the installer has no problems fetching the preseed file. My preseed file is almost identical to the one at https://help.ubuntu.com/10.04/installation-guide/example-preseed.txt. Moreover, I have run debconf-set-selections -c preseed.cfg to ensure that the preseed file is correct.

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• A clear understanding about Mozilla Firefox web applications

  - by Girish Mony

  I have seen lately a concept of installing open web applications in Firefox and Google Chrome just like extensions here . While the site says it as a installable websites. It looks very similar to bookmarks to me. When you click either bookmarks or this installed applications, it opens new tab and the site or application can be viewed. My question is what is the main difference between normal web application like Gmail, or Super user or Facebook and these installable websites? Also what is the advantage in using this installable web apps from normal web applications which we can access by entering url in the browser address bar? I hope this is the right place to post this question. If not please guide me accordingly.

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• Using FTP to update files on a server

  - by Neville

  I know the FTP username and password for a site we own and need to know how we can update some files on the server. It seems quite a small thing to do and I'd like to have a go at doing it myself. A few years ago a friendly local guy help set up a website for my wife's floristry business. The site has a "contact us" page, and messages are forwarded to our home email address. We've now just changed our home email, and so I now need to reset the forwarding function on the website. The helpful local guy seems to have moved away, or retired - there's no way I can find him now. I tried to get help on how to change the forwarding address from the hosting people, but they say they can't help me. How do I go about updating the pages on the site? A step-by-step guide on how to do it would be great.

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• How to add the Windows defender into Windows Explorer's right click menu to scan a particular drive/folder/file on demand?

  - by avirk

  There is no option in Windows Explorer to scan a particular drive (or file) on demand by right clicking on it in Windows Explorer as we had in Windows 7 with Microsoft Security Essentials or like other antivirus solutions. I know we can run a custom scan for the particular drive or specific folder but that process is too lengthy and time consuming. The guide How to Add a "Windows Defender" Cascading Desktop Context Menu in Windows 8 explains how we can add Windows Defender in the desktop right click menu, so I'm curious, is there a way to add it in the Windows Explorer right click menu to launch a search whenever I need to?

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• Installing SDM on a Cisco 2821 ISR

  - by Sam Sanders

  I trying to change the configuration of our router, it's a Cisco 2821 Integrated Services Router. I don't know much about Cisco products. While looking at the PDF manual for the router I notices it talked about SDM Security Device Manager. But when I point my web browser at the IP address of the router, it give me a very simple web interface. It's sort of like a string builder for CLI commands. I'm guessing SDM was not installed on it. So my question how would I go about do that? I found this link (below), but I'm a bit new to networking. So any advice would be welcome. http://www.cisco.com/en/US/docs/routers/access/cisco_router_and_security_device_manager/software/quick/guide/SDMq7.html

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• How to share a USB modem?

  - by allenskd

  Usually I wouldn't have this problem if it was a dsl modem or cable modem but it's really been difficult for me to share this little modem to other computers. Right now I have my laptop connected to a hub, both computers are in the same workgroup and I have "share this computer internet to other computers"... etc. Problem is, I don't know what is currently happening... I'm hoping someone would guide me, I have googled and some people have been successful at sharing the connection but it seems I'm missing something =/ Let me know if you need any details, thanks

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• 1 TB hdd and no space to create a partition for linux !

  - by rangalo

  I have a brand new Acer aspire 5811 with core i5 processor and all that. There is windows 7 Home Premium pre-installed on it. I want to install arch and setup a dual boot system. The problem is: Windows shows 4 partitions 14 MB UNKNOWN recovery partition 100MB NTFS System Reserved partition for Windows 7 448GB NTFS Windows 7 system partition 468GB NTFS Data partition for windows 7 But GpartedLive cd and also arch setup show 5 partitions 938Kb UNKOWN system reserved partition 14 MB UNKNOWN recovery partition 100MB NTFS System Reserved partition for Windows 7 448GB NTFS Windows 7 system partition 468GB unusable space Because of this, I cannot create another primary partition. Can any body guide me about how should I go for creating partition for installing arch ? Note: I need to keep windows 7 working. regards.

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• Unable to do forwarding in BIND DNS?

  - by preethika

  I have BIND working on Windows Server 2003. i want to forward my queries to another server. Recursion is working but forwarding is not working. can u guide me to set it. i've given the following in the options: options { directory "c:\named\zones"; allow-transfer { none; }; forward only; forwarders { 8.8.8.8 ; }; recursion no; }; is the format for forwarding correct in the above. if not what is the format. Am i to give any port number in the forwarders line? Does forwarding have any particular port number? Thank You in advance....

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• apt-get install phpmyadmin on debian doesn't install /etc/phpmyadmin/apache.conf

  - by Christian Nikkanen

  I'm trying to install phpmyadmin on my webserver, using this guide: http://www.howtoforge.com/ubuntu_debian_lamp_server I did that once, and it worked like a dream, but I hated the looks of phpmyadmin (maybe the oldest layout ever) and decided to delete it, and didn't know that deleting is done with apt-get remove phpmyadmin and did in phpmyadmin directory rm * and thought that it's done. However, as I can't find the debian build of phpmyadmin anywhere, I want to install it again, but when I add Include /etc/phpmyadmin/apache.conf to /etc/apache2/apache2.conf, and restart apache, it give's me this error: apache2: Syntax error on line 73 of /etc/apache2/apache2.conf: Could not open configuration file /etc/phpmyadmin/apache.conf: No such file or directory Action 'configtest' failed. The Apache error log may have more information. failed! No matter how I try, I always get this error, and phpmyadmin isn't there.

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• Which Linux book for aspiring sysadmin?

  - by Ramy

  I have a co-worker who insists that he will never buy a book unless it is considered "THE" book. So, in this vein, I thought I'd ask what the ultimate Linux book is. I wouldn't quite call myself a complete beginner since I can get around in Linux in general pretty well. But, beyond that, I'm also looking for a book with an eye towards becoming a Sys Admin someday. I saw a Junior Sys Admin position open up recently but with the requisite 2-3 years experience, I may have to wait a little while longer before I'm ready to apply for such a position. Having said all that, I'll summarize my question: What is the ultimate Linux book for someone who is ok with the basic tasks of getting around in Linux but also wants to aim towards full Sys Admin status someday? A few examples of the books I'm considering: Linux-Administration-Beginners-Guide-Fifth Linux-System-Administration Linux-System-Administration EDIT: Before you close this question as a dup, I'd like to say that I'm looking for something that goes deeper than this: Book for linux newbies I already have "Linux in a nutshell"

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• Installing FFMPEG-PHP on Qnap Nas (TS-410), PHPIZE error

  - by Dino

  I have been trying to install ffmpeg-php on my qnap nas (ts-410) without success. ? Basically I have installed the QPKG Optware, and using the plugin installed php-dev, autoconf, m4, php-gd, and perl. After that I downloaded ffmpeg-0.6.0.tbz2 (from: http://sourceforge.net/projects/ffmpeg-php/files/ffmpeg-php/0.6.0/ffmpeg-php-0.6.0.tbz2/download) to the Public folder, and extracted the file (tar -xjf ffmpeg-0.6.0.tbz2) Then go to the folder: cd ffmpeg-0.6.0 Finally I run: phpize which is where the process fails I get the following error: configure.in:3: warning: prefer named diversions Can anyone advice how to successfully install ffmpeg-php on my nas? Ps. I am new to linux so easy step guide would be appreciated, or even better if a QPKG / IPKG becomes available ? !!!! Thanks Dean

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• CentOS: revert python version back to original

  - by NP

  Hi all, I installed python 2.6 using the instructions here on CentOS 5.4. However I realized it was a bad move and I need to revert back to 2.4, which was there originally. Can anyone guide me on how to undo what I did here? In particular, I am not sure how to undo this: Configure ld to find your shared libs: $ cat /etc/ld.so.conf.d/opt-python2.5.conf /opt/python2.5/lib (hit enter) (hit ctrl-d to return to shell) $ ldconfig I tried removing the alias and the symlink and even re-aliasing python to /usr/bin/python, but when I try to install an RPM i get this error: error: Failed dependencies: libpython2.4.so.1.0 is needed by ... Thanks in advance.

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• grub error: symbol 'grub_puts_' not found

  - by ladaghini

  I updated from Ubuntu 9.10 to 10.04, and after installation, the computer restarted. When grub loaded, all I get is a screen that says error: symbol 'grub_puts' not found and a useless grub prompt that looks like grub_rescue I've tried reinstalling grub from the livecd (usb drive) following this guide: https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows to no avail. Sometimes, when I start up from the live usb, linux doesn't recognize the harddrive at all. It's not in the places menu, nor does fdisk list anything. If anyone can help fix up grub so it recognizes and boots up the two os's I have installed, I'd appreciate it. Also, I know little about grub, so try and make it easy to understand.

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• I want to replace Windows Server by Samba 4 for authentication purpose [closed]

  - by garden air

  I am using windows Server 2008 in a mediam size organization. I have 200 clients at the moment. I have learn that Samba4 has a remarkable changes for windows clienmts. I want to use Samba 4 to authenticate my windows xp and windows 7 clients machines. In my home based pc I am using vmware to test samba 4. For that purpose I am using CentOS 6.3 with Samab4. Kindly guide me taht it is possible that I replace windows server as a PDC controller and use samba4 to onlu authenticate my clients. I does not want Group Policy only and only authentication . So what u suggest me. Is it good to use samba 4 instaled of windows server. thanks, gardenair

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• dev_install failed on ARM chromebook

  - by user1027721

  I'm trying this guide for having access to emerge on chromeos. http://www.chromium.org/chromium-os/how-tos-and-troubleshooting/install-software-on-base-images Unfortunately I always got the same error which is $ sudo dev_install Starting installation of developer packages. First, we download the necessary files. Downloading https://commondatastorage.googleapis.com/chromeos-dev-installer/board/daisy/full-3.168.0.0/packages/app-misc/mime-types-8.tbz2 % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 127 100 127 0 0 252 0 --:--:-- --:--:-- --:--:-- 305 [: 184: -ne: unexpected operator Extracting /usr/local/portage/packages/app-misc/mime-types-8.tbz2 I think that it somehow returns a 404 everytime. Thanks for your help

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• Apache + SuExec + php-fpm - how to set them up?

  - by FractalizeR

  Hello. I wonder if there is a good guide on how to setup Apache + SuExec + php-fpm? I have a server which I am going to use several separate website. So, I need php to be run as site-owner user. As I can see, php-fpm is a little different from php-fcgi. Is there a need in mod_fcgid from Apache in this case? How to set this all up? For now my site is running Apache + mod_suphp + php-cgi, so... it's good, but a little slow. I want to preserve security and gain an ability to use APC.

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• Converting AVI to FLV in highest quality

  - by Josh

  I want to convert some of the AVI files I recorded (presentations) to FLV so I can host them on a website and offer them to my visitors. I have done this sort of thing before but the quality they came out as would not be good enough for what I plan on doing here. So does anyone have a link to a guide or any experience they can offer in converting AVI to FLV with minimal quality loss? A lot of my presentations are 720p aswell, so I'd want to keep the aspect ratio the same as the source video. Thanks in advance.

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• Django, wsgi, py. what's the difference?

  - by Kenny

  I'm trying to get a django application up and running on my cpanel system. I've installed mod_wsgi, and am following the guide here: http://www.nerdydork.com/setting-up-django-on-a-whm-cpanel-vps-liquidweb.html However, I'm now confused as I don't know what to do next. The application has .py files, and I am able to run it via this: python manage.py runserver 211.144.131.148:8000 However, that's via command line and binds to port 8000. I want to use Apache instead. The question is, that tutorial doesn't go further into how to get apache to recognize .py files and run the application as I want it. What do I do next?

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• Why does my allow_url_include not work?

  - by autthapone

  Server Information: CentOS 5.7 (Final), PHP Version 5.2.6, Apache/2.2.3 I edit in /etc/php.ini change to allow_url_include = On. Then restart apache. I see configuration on phpinfo() file, but allow_url_include not changed. It's Off yet. Help me, please. My Setting. - http://postimage.org/image/aliuyb9a3/ My phpinfo - http://postimage.org/image/tlsu18b1h/ I can't find other php.ini file. upload_max_filesize also not changed :-( but max_execution_time and memory_limit is changed. Everyone, if issue can't solving now, please guide me about repair/re-install PHP on CentOS.

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• CMD Echo date but show month as string

  - by Asim Rehman

  I am using the robocopy command to create a backup system, I have successfully managed to copy the folders, but the date stamp is wrong. The folders are prefixed with the date and time . The robocopy command is this: robocopy U:\Data\ X:\Private\Backups\FolderName_%date:/=-%-(%time::=-%) /e The out of the folder is displayed like this: FolderName_09-11-2013-(20-24-06.60) The only thing I want to change is the date, I want to show the month as a string with only the first 3 characters like Oct. Can someone please guide me. Thanks.

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• Starting MySQL after installing MySQL 5.5 from .rpm

  - by user593294

  I m using Ubuntu 11.04. I have installed MySQL server and client ver 5.5.13. The problem i have is actually to start MySQL after installing it from the .rpm package obtained from the oracle site. I m not able to find any guide for configuring MySQL after completing its installation. I installed it using alien. I found some guides for older version of ubuntu which i find irrelevant. So Please help me in configuring and starting MySQL successfully.

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• Analyzing bitmaps produced by NSAffineTransform and CILineOverlay filters

  - by Adam

  I am trying to manipulate an image using a chain of CIFilters, and then examine each byte of the resulting image (bitmap). Long term, I do not need to display the resulting image (bitmap) -- I just need to "analyze" it in memory. But near-term I am displaying it on screen, to help with debugging. I have some "bitmap examination" code that works as expected when examining the NSImage (bitmap representation) I use as my input (loaded from a JPG file into an NSImage). And it SOMETIMES works as expected when I use it on the outputBitmap produced by the code below. More specifically, when I use an NSAffineTransform filter to create outputBitmap, then outputBitmap contains the data I would expect. But if I use a CILineOverlay filter to create the outputBitmap, none of the bytes in the bitmap have any data in them. I believe both of these filters are working as expected, because when I display their results on screen (via outputImageView), they look "correct." Yet when I examine the outputBitmaps, the one created from the CILineOverlay filter is "empty" while the one created from NSAffineTransfer contains data. Furthermore, if I chain the two filters together, the final resulting bitmap only seems to contain data if I run the AffineTransform last. Seems very strange, to me??? My understanding (from reading the CI programming guide) is that the CIImage should be considered an "image recipe" rather than an actual image, because the image isn't actually created until the image is "drawn." Given that, it would make sense that the CIimage bitmap doesn't have data -- but I don't understand why it has data after I run the NSAffineTransform but doesn't have data after running the CILineOverlay transform? Basically, I am trying to determine if creating the NSCIImageRep (ir in the code below) from the CIImage (myResult) is equivalent to "drawing" the CIImage -- in other words if that should force the bitmap to be populated? If someone knows the answer to this please let me know -- it will save me a few hours of trial and error experimenting! Finally, if the answer is "you must draw to a graphics context" ... then I have another question: would I need to do something along the lines of what is described in the Quartz 2D Programming Guide: Graphics Contexts, listing 2-7 and 2-8: drawing to a bitmap graphics context? That is the path down which I am about to head ... but it seems like a lot of code just to force the bitmap data to be dumped into an array where I can get at it. So if there is an easier or better way please let me know. I just want to take the data (that should be) in myResult and put it into a bitmap array where I can access it at the byte level. And since I already have code that works with an NSBitmapImageRep, unless doing it that way is a bad idea for some reason that is not readily apparent to me, then I would prefer to "convert" myResult into an NSBitmapImageRep. CIImage * myResult = [transform valueForKey:@"outputImage"]; NSImage *outputImage; NSCIImageRep *ir = [NSCIImageRep alloc]; ir = [NSCIImageRep imageRepWithCIImage:myResult]; outputImage = [[[NSImage alloc] initWithSize: NSMakeSize(inputImage.size.width, inputImage.size.height)] autorelease]; [outputImage addRepresentation:ir]; [outputImageView setImage: outputImage]; NSBitmapImageRep *outputBitmap = [[NSBitmapImageRep alloc] initWithCIImage: myResult]; Thanks, Adam

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• Email not working on testing site in Plesk before DNS switch

  - by Dilip Rajkumar

  I have to test my website before my DNS is swtiched to the new server. My New server is having Plesk. I changed my hosts file to point to the new server and I tested the site. My Site is working fine. However, When I try to register I have 2 emails sent one to the user and one to the admin. Admin email id is same as the server name for example my site name is test.com the admin email is [email protected]. So email is not sent to the admin. I know the email is not sent because the Plesk his searching its own dns instead of Global public DNS. Do any one know how to make my site see public DNS on sending email in Plesk. If I set Goole Public DNS 8.8.8.8 for MS record will it work.. Please guide me. Thanks in advance..

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