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  • Atheros AR9485 wireless card doesn't work in an ASUS K53E

    - by John
    I just installed Ubuntu 11.10 32-bit version in dual boot mode on an ASUS K53. Every thing seems to work fine except for the wireless. The wireless works on Windows 7. Ubuntu finds the wireless card, but it does not appear to be turned on. The only physical means of turning on the card is the FN-F2 key combo. That works on Windows, but not in Ubuntu. I've looked in the forums for a solution and I'm not quite sure what to do. I've gathered the following information: jdwbmc@Spatha:~$ cat /etc/lsb-release; uname -a DISTRIB_ID=Ubuntu DISTRIB_RELEASE=11.10 DISTRIB_CODENAME=oneiric DISTRIB_DESCRIPTION="Ubuntu 11.10" Linux Spatha 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:50:42 UTC 2011 i686 i686 i386 GNU/Linux jdwbmc@Spatha:~$ lspci -nnk | grep -iA2 net 02:00.0 Network controller [0280]: Atheros Communications Inc. AR9485 Wireless Network Adapter [168c:0032] (rev 01) Subsystem: AzureWave Device [1a3b:1186] Kernel driver in use: ath9k -- 04:00.0 Ethernet controller [0200]: Atheros Communications AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0) Subsystem: ASUSTeK Computer Inc. Device [1043:1851] Kernel driver in use: atl1c jdwbmc@Spatha:~$ lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 058f:a014 Alcor Micro Corp. jdwbmc@Spatha:~$ iwconfig lo no wireless extensions. eth0 no wireless extensions. wlan0 IEEE 802.11bgn ESSID off/any Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm Retry long limit:7 RTS thrff Fragment thrff Power Managementff jdwbmc@Spatha:~$ rfkill list all 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: asus-wlan: Wireless LAN Soft blocked: no Hard blocked: no jdwbmc@Spatha:~$ lsmod Module Size Used by parport_pc 32114 0 ppdev 12849 0 snd_hda_codec_hdmi 31426 1 bnep 17923 2 rfcomm 38408 0 bluetooth 148839 10 bnep,rfcomm snd_hda_codec_realtek 254125 1 binfmt_misc 17292 1 joydev 17393 0 asus_nb_wmi 12469 0 asus_wmi 19333 1 asus_nb_wmi sparse_keymap 13658 1 asus_wmi uvcvideo 67271 0 videodev 85626 1 uvcvideo snd_hda_intel 24262 2 snd_hda_codec 91754 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_i ntel snd_hwdep 13276 1 snd_hda_codec snd_pcm 80468 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec snd_seq_midi 13132 0 wmi 18744 1 asus_wmi snd_rawmidi 25241 1 snd_seq_midi snd_seq_midi_event 14475 1 snd_seq_midi snd_seq 51567 2 snd_seq_midi,snd_seq_midi_event arc4 12473 2 i915 505108 3 snd_timer 28932 2 snd_pcm,snd_seq snd_seq_device 14172 3 snd_seq_midi,snd_rawmidi,snd_seq ath9k 112711 0 psmouse 73673 0 serio_raw 12990 0 mac80211 272785 1 ath9k drm_kms_helper 32889 1 i915 ath9k_common 13599 1 ath9k drm 192226 4 i915,drm_kms_helper ath9k_hw 293893 2 ath9k,ath9k_common ath 19387 2 ath9k,ath9k_hw cfg80211 172392 3 ath9k,mac80211,ath snd 55902 14 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_i ntel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,s nd_seq,snd_timer,snd_seq_device soundcore 12600 1 snd snd_page_alloc 14115 2 snd_hda_intel,snd_pcm mei 36466 0 i2c_algo_bit 13199 1 i915 video 18908 1 i915 lp 17455 0 parport 40930 3 parport_pc,ppdev,lp ahci 21634 3 libahci 25727 1 ahci atl1c 36638 0 xhci_hcd 72915 0 jdwbmc@Spatha:/var/lib/NetworkManager$ cat NetworkManager.state [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true jdwbmc@Spatha:~$ lspci -nn | grep 0280 02:00.0 Network controller [0280]: Atheros Communications Inc. AR9485 Wireless Network Adapter [168c:0032] (rev 01) Any help would be appreciated. Thanks.

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  • IIS8 Memory Improvements

    - by The Official Microsoft IIS Site
    There is a lot of buzz in the Internet Information Services (IIS) community about IIS 8, the version of IIS that is included with Windows Server 2012. While there are plenty of new features in IIS 8, for this writing I am going to focus on the memory improvements that you will see for the application pools. Memory is a key resource on an IIS server as it is often the first limiting factor if you planned your CPU and disk requirements appropriately. I was fortunate to be able to attend TechEd North...(read more)

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  • How to create a recovery partition in memory

    - by Luis Alvarado
    How can I create a recovery partition in memory as an option when booting the PC so that I can check all partitions including the system one that typically loads Ubuntu. This way I can fsck for example the partition that is normally running Ubuntu but without having it running it at that moment. The recovery partition would have access to some tools to check the disck, memory, etc. Is this doable?

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  • Computer hangs at boot screen with new RAID card

    - by shanethehat
    I am trying to build a new server around a Biostar TH61 motherboard and an Adaptec 6405E RAID controller card. The machine booted fine from USB before the RAID card and drives were installed. After installing, on the first boot the card was detected, but then started to spit out the following message every 10 seconds: Error: Controller Kernel Stopped Running << Press any key to continue ... Following the troubleshooting guide I unplugged everything, reseated the card, and reattached all the drives. This time the machine is sitting on the boot screen without any error messages and flashing a cursor, but after 15 minutes of this, nothing seems to be happening. Given that there are no error messages I'm hesitant to reboot again. Is it normal for a RAID card to sit without a status message when it firsts boots, maybe to initialise the drives or something? The current screen output looks a bit like this: Controller #00 found at PCI Slot:01, Bus:01, Dev:00, Func:00 Controller Model: Adaptec 6405E Firmware Version: 5.2-0[18512] Memory Size: 128MB Serial number: 111111111111111 SAS WWN: 50000D1104AE9180 _ Update: So after waiting 30 minutes I've rebooted back to the Kernal Stopped Running error. Maybe time to update the RAID BIOS.

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  • lowering the use of the memory controller in OpenCL based applications

    - by user827992
    With my first experiments I noticed that OpenCL is a good technology but often hampered by the X86 architecture and finding a mid-range VGA driven by a low-end chipset is not that unusual in the real world scenarios, sometimes this can happen with some high-end VGA too. Are there some caching techniques? Something that can bypass this inconvenience in some ways. The amount of dedicated memory on today's VGA is usually high, it's possible to use this memory to create some kind of buffer with instructions.

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  • Restoring a SD card after using it to root a device

    - by Raz
    I recently purchased the Nook Touch reading device. I rooted it using the instructions on nookdevs.com Rooting included using win32diskimager to somehow transfer an .img file onto the card. Rooting is now completed and as far as I can tell, I don't need to keep the files used on the SD card, which has been reduced from a 3.5 GB or so unit to a 75 MB unit. Is there a simple way for me to somehow reformat the SD card to its original state or at least 3.5 GB. I cannot simply format it.

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  • Nvidia Optimus shows Nvidia card is always active in Windows 8

    - by Ty Underwood
    I have loaded the new Asus Nvidia driver for my Asus Ux32VD that I have installed Windows 8 on. It has an Nvidia 620m and Intel hd 4000 integrated graphics. The problem is that the Optimus activity icon in my system tray shows that the Nvidia card is always active, though it shows that it is not doing anything. I can force the system to prefer the Intel graphics, and after rebooting, the Nvidia card will shut off, but then all the programs will be overridden and use the Intel graphics. Is anyone else having problems with Optimus in Windows 8? My battery life is really suffering because I'm always idling my Nvidia card while also presumably running the Intel card. Any suggestions would be appreciated.

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  • Configure Wireless Network Card

    - by Skizz
    I recently upgraded the wireless network card in my Ubuntu PC from an 802.11g to an 802.11n. Now, it can't see my router. It doesn't appear in the list of networks that is displayed when you click on the NetworkManager icon in Gnome. Other networks are listed and I have connected to them (no password required!). I'm using the Windows driver through ndiswrapper and it can see the card. I tested the card in a Windows PC and everything worked. The router's log doesn't show any messages coming from the wireless card. What have I done wrong? If you need any more information, just leave a comment and I'll get add it to the question.

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  • Smart card driven membership and door entry system

    - by Rob G
    I'm looking at putting in a smart card driven system at my local sports club (which doesn't have oodles of money), and since they're willing to pay for hardware, and I'm willing to do the technical setup, I was wondering if anyone had any experience in setting something like this up. Writing any software needed is not the problem, I've pretty much got that covered with various open source projects out there and custom code I'll write, but it's more the hardware side I'm not too sure about and I'm looking for advice from people out there. I'm sure there are numerous complications, but on the surface it looks fairly simple. I'd basically like to enable members to swipe/touch a smart card at the door to gain entry to the club, walk up to a touch screen PC and swipe/touch a card reader there to "login" to the system I create, which will allow them to book club facilities etc. I may even want that same card to then activate things like lights or music when they enter the room they've booked. Pretty Eutopian I know, but still, we'd like to get as close as we can. As I said, the software shouldn't be a problem, and on the hardware side, so far I'm looking at: All in one touch screen PC running Windows 7 or Ubuntu USB card reader (not sure which one to buy) Smart Cards (again, never bought these before) Door/lighting hardware that could be triggered (not sure here either) If anyone has any advice on implementing something like this - especially the items I'm not sure about above, and of course anything I've missed out that's crucial, I'd be most grateful. Recommended hardware that you've used for something like this would be fantastic!

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  • Ops Center 12c - Update - Provisioning Solaris on x86 Using a Card-Based NIC

    - by scottdickson
    Last week, I posted a blog describing how to use Ops Center to provision Solaris over the network via a NIC on a card rather than the built-in NIC.  Really, that was all about how to install Solaris on a SPARC system.  This week, we'll look at how to do the same thing for an x86-based server. Really, the overall process is exactly the same, at least for Solaris 11, with only minor updates. We will focus on Solaris 11 for this blog.  Once I verify that the same approach works for Solaris 10, I will provide another update. Booting Solaris 11 on x86 Just as before, in order to configure the server for network boot across a card-based NIC, it is necessary to declare the asset to associate the additional MACs with the server.  You likely will need to access the server console via the ILOM to figure out the MAC and to get a good idea of the network instance number.  The simplest way to find both of these is to start a network boot using the desired NIC and see where it appears in the list of network interfaces and what MAC is used when it tries to boot.  Go to the ILOM for the server.  Reset the server and start the console.  When the BIOS loads, select the boot menu, usually with Ctrl-P.  This will give you a menu of devices to boot from, including all of the NICs.  Select the NIC you want to boot from.  Its position in the list is a good indication of what network number Solaris will give the device. In this case, we want to boot from the 5th interface (GB_4, net4).  Pick it and start the boot processes.  When it starts to boot, you will see the MAC address for the interface Once you have the network instance and the MAC, go through the same process of declaring the asset as in the SPARC case.  This associates the additional network interface with the server.. Creating an OS Provisioning Plan The simplest way to do the boot via an alternate interface on an x86 system is to do a manual boot.  Update the OS provisioning profile as in the SPARC case to reflect the fact that we are booting from a different interface.  Update, in this case, the network boot device to be GB_4/net4, or the device corresponding to your network instance number.  Configure the profile to support manual network boot by checking the box for manual boot in the OS Provisioning profile. Booting the System Once you have created a profile and plan to support booting from the additional NIC, we are ready to install the server. Again, from the ILOM, reset the system and start the console.  When the BIOS loads, select boot from the Boot Menu as above.  Select the network interface from the list as before and start the boot process.  When the grub bootloader loads, the default boot image is the Solaris Text Installer.  On the grub menu, select Automated Installer and Ops Center takes over from there. Lessons The key lesson from all of this is that Ops Center is a valuable tool for provisioning servers whether they are connected via built-in network interfaces or via high-speed NICs on cards.  This is great news for modern datacenters using converged network infrastructures.  The process works for both SPARC and x86 Solaris installations.  And it's easy and repeatable.

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  • Network card dies when trying to wake up laptop from sleep

    - by Bugmaster
    I have a Dell XPS 1640 laptop (aka Dell Studio XPS 16), running Vista. Whenever the laptop wakes up from sleep, my Broadcomm LAN card immediately dies. Any attempt to access it completely locks up whichever program I use to access it. There appears to be no way to re-awaken the card, other than rebooting; note that Vista does not even shut down properly if some program is waiting for the card. So far, I have tried the following: Disabled the "allow your computer to shut down this device to save power" in the device properties. This had no effect. Attempted to disable and then enable the card in the device properties. No effect. Tried ipconfig /renew: this locks up ipconfig to the point where I can't even kill its process. Force-install updated drivers from broadcomm: no effect. Does anyone have any other ideas ?

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  • Issues in Fedora detecting on board NIC card

    - by Vivek27
    Basically I have two NIC cards (on-board + Added in PCI slot) on my Linux machine running Fedora 12.By default the OS detects the NIC card in the PCI slot but it fails to detect the on board network card.Following are few details of the same Linux Vivek 2.6.32.26-175.fc12.i686.PAE #1 SMP Wed Dec 1 21:45:50 UTC 2010 i686 i686 i386 GNU/Linux ifconfig -a doesen't show the on board NIC card.Any thoughts for it please? Since it is also related to network configuration. I posted it here.

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  • Find out how many memory my server would need ideally?

    - by Daniel
    I have a pretty busy GNU/Linux server that I think needs more RAM. I know that the free command doesn't show the amount of RAM that is used. So I was stumbling upon Commited_As in /proc/meminfo. It currently shows 57972 kB which isn't much. Is this the amount of RAM that the processes use "right now" or is this an estimate of how many additional RAM it would take to never run out of memory with this load?

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  • Auto restart server if virtual memory is too low

    - by Sukhjinder Singh
    There are quite number of software running on my server: httpd, varnish, mysql, memcache, java.. Each of them is using a part of the virtual memory and varnish was configured to be allocated 3GB of memory to run. Due to high traffic load which is 100K, our server ran out of memory and oom-killer is invoked. We've to reboot the server. We have 8GB of Virtual Memory and due to some reason we cannot extend to larger memory. My question is - Is there any automated script, which will monitor how much virtual memory left and based upon certain criteria, lets say if 500MB left than restart the server automatically? I do know this is not the proper solution but we have to do it, otherwise we don't know when server will get OOM and by the time we know and restart the server, we lost our visiting users.

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  • non-mapped virtual memory & total number of connections

    - by tszming
    We have two MongoDB data nodes (replica set) - Primary & Secondary. I noticed that the non-mapped virtual memory is relatively high and wondering if they are hurting our MongoDB performance (The server usually peaked at around 6-7K queries per sec). In MMS, it was stated: "The most common case of usage of a high amount of memory for non-mapped is that there are very many connections to the database." So we checked the memory usage with db.serverStatus().mem in our Secondary: { "bits" : 64, "resident" : 6846, "virtual" : 416797, "supported" : true, "mapped" : 205549, "mappedWithJournal" : 411098, "note" : "virtual minus mapped is large. could indicate a memory leak" } Note: We are using 2.0.4 and now the default stack size should be 1MB per connection. The current number of connections is around 1.1K, but the non-mapped virtual memory (virtual-mappedWithJournal) is around 5699 MB. The trend is quite stable so I can't say there is a leak here, but where is the memory gone? Any idea?

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  • DVI vs HDMI graphics card output

    - by Shack
    Asking on behalf of someone: I want to buy a new graphics card but do not know which would be best in terms of output, DVI or HDMI, the sound part of the HDMI is not really required, I just need something to go to my new 32 inch hd tv. It accepts both DVI and HDMI. I only need it for basic gaming but mostly as a media center to watch movies and tv shows on. Also for windows media center's TV application, I need a tv card, should I get a graphics card with bult in tv card, or a usb dongle??

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  • Two VGA monitors on Lenovo IdeaCentre H520 Desktop

    - by Sebastian-Laurentiu Plesciuc
    I recently bought a Lenovo IdeaCentre H520 computer and two VGA LED monitors. This particular PC has a dedicated NVIDIA Geforce GT630 video card and an integrated Intel HD Graphics 2500 video card. Both cards have VGA out. The Geforce card also has a HDMI out. I have installed Windows 8 and I can't seem to use both cards. I have connected both monitors, one to the VGA out of the Geforce card and one to the VGA out of the integrated card. I looked through the BIOS options for Video and I can only select the dedicated one, the integrate one or the Auto option. This kinda sucks. I was wondering what kind of options I have available. I have a VGA female to DVI A male adaptor, I was wondering if it could work if I can hook it to a DVI A female to HDMI male adaptor and plug one monitor into the VGA out of the Geforce video card and the other through both adapters to the HDMI out. Any chance this could work? I was looking online for a VGA to HDMI live cable but it's kind of expensive.

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  • At what point does the performance gap between GPU & CPU become so great that the CPU is holding back a system?

    - by Matthew Galloway
    I know that generally speaking for gaming performance the GPU is the primary factor which holds back performance, with everything else such as RAM/motherboard/PSU/CPU being secondary in importance to the graphics card. But at some point the other components ARE going to be significant in holding back the whole system! For instance nobody would be silly enough to play modern games with 512MB RAM and the very latest graphics cards (such as an HD7970) as I bet the performance increase over such a system with only 512MB but a mid range card would be non-existent! Thus it would be a "waste" for such a person to buy any high end graphics card without resolving first the system's other problems. The same point applies to other components, such as if it only had a Pentium II a current high end graphics card would be wasted on it! So my core question is how do you determine at what point for your system is spending on extra GPU power be completely "wasted"? (also, a slightly more nuanced question is trying work out at what point might the extra graphics power not be "wasted" but would be "sub optimal" value for money, when the expenditure should then be split around graphics card and other components. As obviously a gamer shouldn't always just spend on upgrading the graphics card! But needs to balance it out)

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  • Comparing 128MB GeForce 8600GT and 512MB Radeon X1650

    - by Synetech inc.
    Hi, I'm trying to determine which is the better of these two video cards: 128MB Nvidia GeForce 8600GT card while the other has a 512MB ATI Radeon X1650 card. Both cards are the upper-level mid-range versions of their respective series. On the one hand, the ATI has substantially more VRAM, but the Nvidia supports D3D 10 and SM4.0 as opposed to D3D 9.0c/SM3.0 that the ATI supports. Also, I have always heard better things about Nvidia cards compared to ATI cards. I'm trying to find some advice on which one is better, but I can't find any actual comparisons or anything for these specific cards (the comparisons I can find are only similar ones like the X1650 Pro or 8600GT PCI-E), so I figure that what I need to know is whether the extra VRAM is that important. Looking at the ATI table and the Nvidia table seems to indicate that the Nvidia is better, but then again, the Nvidia table also says that the GeForce 8600GT is a PCI-E card with at least 256MB even though the card in question is an AGP with 128MB. (:-?) (It looks like the ATI card is not supported in Windows 7 while the Nvidia card is, which I suppose is also a factor, though not quite as immediately relevant as performance.) Any ideas? Thanks a lot.

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  • Is a memory upgrade a viable option to fix performance issues? [closed]

    - by ratchet freak
    I'm currently seeing my PC getting bogged down by Firefox 11.0 alone with only one hundred tabs open. Resulting in a memory use of over 530M , VM size of over 800M and an insane amount of page faults (easily reaching 100 million over the course of the day). The PF delta during normal operation easily reaches 7k with peaks to 15k sometimes reaching over 20k. This leads to a (real) deterioration to response time when switching, opening and closing tabs, opening menus, typing, ... My question is: Am I right in assuming that plugging in more RAM (either adding 2x1GB or replacing the existing RAM with 2x2GB or 4x1GB) will solve this problem? My specs: Windows XP Home Edition SP3 (32 bit) Intel Core Duo 2,4 GHz 2x512MB RAM 800MHz DDR2 (dual channel) 4MB unified cache 320GB HDD Intel G33 (X3100) onboard graphics (no graphics card but PCI express x16 slot is available)

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  • Storing Credit Card Numbers in SESSION - ways around it?

    - by JM4
    I am well aware of PCI Compliance so don't need an earful about storing CC numbers (and especially CVV nums) within our company database during checkout process. However, I want to be safe as possible when handling sensitive consumer information and am curious how to get around passing CC numbers from page to page WITHOUT using SESSION variables if at all possible. My site is built in this way: Step 1) collect Credit Card information from customer - when customer hits submit, the information is first run through JS validation, then run through PHP validation, if all passes he moves to step 2. Step 2) Information is displayed on a review page for customer to make sure the details of their upcoming transaction are shown. Only the first 6 and last 4 of the CC are shown on this page but card type, and exp date are shwon fully. If he clicks proceed, Step 3) The information is sent to another php page which runs one last validation, sends information through secure payment gateway, and string is returned with details. Step 4) If all is good and well, the consumer information (personal, not CC) is stored in DB and redirected to a completion page. If anything is bad, he is informed and told to revisit the CC processing page to try again (max of 3 times). Any suggestions?

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  • No Sound card detected in Sound Settings, although sound works

    - by usertwelve
    I have Ubuntu 12.04 installed on my laptop. When I go to Sound Settings while logged into my user, no sound card appears detected. In spite of this, the sound on my laptop is working ok, and I can use alsamixer just fine. The Unity sound indicator is dead, and this is quite annoying. If I login as guest, the sound indicator works just fine, I assume it's something related to my user's sound settings, but I cannot find what exactly. Any clues?

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  • Chainload boot of Ubuntu installed on 32GB SD card from legacy Grub boot on USB

    - by Gary Darsey
    I have Ubuntu installed on a 32 GB SD card (in the Storage Expansion slot on an Acer Aspire One) with Grub2 installed in the same partition. I boot into legacy Grub on a USB drive and would like to boot by chainloading Grub2 from Grub (kernel/initrd or symlink booting would also be fine), but I haven't figured out how to do this from legacy Grub CLI. Output from blkid for this partition is /dev/mmcblk0p1: LABEL="Ubuntu" UUID="7ceb9fa7-238c-4c5d-bb8e-2c655652ddec" TYPE='ext4" / fdisk -lu information Boot indicator ID 83. Related entries in grub.cfg: search --no-floppy --fs-uuid --set-root 7ceb9fa7-238c-4c5d-bb8e-2c655652ddec linux /boot/vmlinuz-3.5.0-17-generic root=UUID=7ceb9fa7-238c-4c5d-bb8e-2c655652ddec... initrd /boot/initrd.img-3.5.0-17-generic I can't seem to replicate this in legacy Grub. Is there any way get Grub2 to chainload? How do I set root with UUID in legacy Grub? I prefer to boot from USB. Would Grub2 on USB (copying the grub.cfg generated during installation) be an option?

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  • What I need to know if I want credit card payments in an ecommerce website

    - by Andriane
    I live in Costa Rica (central america). I want to build an ecommerce website with credit card payments, I know Asp.NET and SQL Server 2008. I know paypal and the express checkout solution, but many people (and clients) here doesnt like it or dont use it. Paypal and Authorize.Net dont support countries of Latin America, so if you can tell me one company who can or what can I do to setup my shopping cart, im studing right now security and how to implement SSL certificates and encrypt sensible data and PCI compliance in some way. I need this for my own framework in ASP.NET and provide ecommerce solutions here in my country.

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