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• Podcast: Dell Perot Systems Relies on Oracle In-Memory Database Cache

  - by john.brust

  Recently we spoke with Bill Binko, Technology Consultant at Dell Perot Systems, about a high volume web-based content delivery system they implemented for a client with Oracle In-Memory Database Cache. Their client needed to respond to ~1 billion hits (web requests) per day, but hadn't been able to support this load. Oracle In-Memory Database Cache allowed for multiple & complicated queries to take place without ever hitting the disk...providing sub-millisecond response time and ability to manage much higher high volumes of data. Old System: Old SQL Server Database, over 300 servers, difficult to maintain. New System: One Oracle Database 11g instance, multiple Oracle RAC nodes, backed up by Oracle Data Guard, and Oracle In-Memory Database Cache to cut query response times by 10x. Listen to the podcast.

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• No wireless network recognized on a Dell Vostro 3560

  - by Itai

  I just installed Ubuntu 12.04 along with Windows 7 on the same laptop - Dell Vostro 3560. Now, on Windows 7 I can access to different wi-fi networks. However, when I am logging onto the Ubuntu section (after re-starting my laptop) - an error message appears: Disconnected - you are now offline When I take a look at my network menu (in the upper bar on the screen), I see that no network is found (and I have a few of them in the area. ). I tried to look around but really could not find a concrete practical solution to this specific problem, would appreciate any solution from anyone out there that had this problem and solved it.

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• Cannot install 14.04 on Dell Inspiron 5447 14

  - by user292121

  I install Ubuntu version 14.04 by use USB stick is a boot devices on DELL Inspiron 5447 14" but it stuck in ubuntu logo. I change to use Linux Mint and it still stuck in the same process is pending in Mint logo. When I change to Linux Mint Compatibility Mode it shown some error meassage. For the stuck screen please see the url below: http://www.image-share.com/upload/2583/266.jpg For the error massage when I try to use Linux Mint can see as below: http://www.image-share.com/ijpg-2583-268.html How can i do next ?

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• Wireless does not work anymore after software update with Ubuntu 12.10 on a Dell Latitude E6230

  - by Andy

  I just installed Ubuntu 12.10 on my DELL Latitude E6230, on first boot wifi worked properly but when I updated the software it stopped working. I can't figure out the problem... The wireless network controller is a Broadcom Corporation BCM4313 802.11b/g/n Wireless Lan Controller (rev 01) "lshw -class network" gives, for the above controller: *-network UNCLAIMED description: Network controller product: BCM4313 802.11b/g/n Wireless LAN Controller vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:02:00.0 version: 01 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: latency=0 resources: memory:f7d00000-f7d03fff After reading the answer to another similar question, I edited the file NetworkManager.conf to make "managed=true", but that did not make any difference, it is as if the wireless adapter were not there. In the "Network" setting window, I only see "Wired" and "Network proxy". Wireless has just disappeared: rfkill list all 0: hci0: Bluetooth Soft blocked: no Hard blocked: no and that's it! Nothing about the wireless controller... Any suggestions?

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• Ubuntu reports low battery capacity on my Dell Vostro

  - by Jeff

  I have a Dell Vostro 1500. Before I wiped Windows XP off my hard drive in 2009, I had a full ~7 hrs battery capacity. I installed Ubuntu 9, and the capacity immediately dropped to about 27% (and has since decreased to about 11%). I couldn't figure out what to do, so I've just lived with the 20-30 minute battery life ever since. I upgraded to Ubuntu 10, and the issue remained. I wiped my hard drive clean again and installed Ubuntu 11, and the issue still remains. I tried what they told me in the forum here, but it didn't do anything. Is it possible for a battery to suddenly lose most of its capacity?? Or is there a bug in the power management software?

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• Graph data structures and journal format for mini-IDE

  - by matec

  Background: I am writing a small/partial IDE. Code is internally converted/parsed into a graph data structure (for fast navigation, syntax-check etc). Functionality to undo/redo (also between sessions) and restoring from crash is implemented by writing to and reading from journal. The journal records modifications to the graph (not to the source). Question: I am hoping for advice on a decision on data-structures and journal format. For the graph I see two possible versions: g-a Graph edges are implemented in the way that one node stores references to other nodes via memory address g-b Every node has an ID. There is an ID-to-memory-address map. Graph uses IDs (instead of addresses) to connect nodes. Moving along an edge from one node to another each time requires lookup in ID-to-address map. And also for the journal: j-a There is a current node (like current working directory in a shell + file-system setting). The journal contains entries like "create new node and connect to current", "connect first child of current node" (relative IDs) j-b Journal uses absolute IDs, e.g. "delete edge 7 - 5", "delete node 5" I could e.g. combine g-a with j-a or combine g-b with j-b. In principle also g-b and j-a should be possible. [My first/original attempt was g-a and a version of j-b that uses addresses, but that turned out to cause severe restrictions: nodes cannot change their addresses (or journal would have to keep track of it), and using journal between two sessions is a mess (or even impossible)] I wonder if variant a or variant b or a combination would be a good idea, what advantages and disadvantages they would have and especially if some variant might be causing troubles later.

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• Getting the Dell XPS 16 Synaptics touchpad to work after hibernation

  - by Aron Rotteveel

  I am currently experimenting with using Ubuntu as a my main OS instead of Windows 7. So far, pretty much everything is working fine, except for an issue that I am having with my touchpad. I have a Dell XPS 16 (1640) with a Synaptics touchpad. It works out of the box, but it seems that it stops working after returning from hibernation mode. This problem has also been addressed in an earlier bug, but judging from this bugreport, it should be fixed by now. I am running the 2.6.35-23-generic-pae kernel. Any ideas?

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• BCM4313 wireless not working on Dell Inspiron 4010

  - by Mandar

  I have Ubuntu 11.10 installed today and trying to connect to wireless but its not working. It has been working correctly on my Windows 7. i am pretty new to Ubuntu. I tried suggestions listed in this forum but nothing seems to be working for wireless. It shows wireless card listed when I do- sudo lshw -C network: It displays wireless interface as BCM4313. my laptop- Dell Inspiron 4010 Ubuntu- 11.10 Any suggestions? It works when I connect LAN cable to same modem.

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• Dual monitor working incorrectly on a Dell XPS 8300 with an AMD Radeon HD 6450

  - by John

  I have been having trouble with Ubuntu on my Dell XPS 8300 (Actual image of the desktop). I have heard that the AMD Radeon HD 6450 has trouble with Ubuntu, and I believe that it is the source of the problem (though I am no expert by any means). When I boot the computer and choose to run Ubuntu, on a rare occasion both monitors (I have an AOC and a Samsung) will display their correct desktops, however most of the time, one of the desktops will be shifted away from its proper position and awkwardly positioned on the screen (showing the login box in the middle/right etc). If anyone has any advice on how to fix this, that would be greatly appreciated.

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• HP mini 5102 Ethernet does not work after suspend on Lubuntu 12.10

  - by Marcin

  Ethernet works fine after system is rebooted The onboard card is seen in 'lspci' as: 43:00.0 Ethernet controller: Marvell Technology Group Ltd. Yukon Optima 88E8059 [PCIe Gigabit Ethernet Controller with AVB] (rev 11) After system being suspended the sky2 driver loads but does not enable the NIC. I have noticed that it happens when PC is left suspended for longer period of time (few houres) Trying to reproduce it I have tried to load the sky2 driver with 'modprobe sky2'. Unfortunately typing 'ifconfig -a' for the onboard ethernet adapter does not list the driver once the sky2 driver is loaded. I have searched internet and I found some information about a bug in kernel. Hovewer it was reported in 2010 so I hope it has been fixed. Here it is http://lists.opensuse.org/opensuse-bugs/2010-02/msg01473.html

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• Doesn't suspend when closing lid on a Dell Inspiron N5110

  - by AWE

  This is what advanced settings tell me: Shell Laptop lid close action on battery suspend Shell Laptop lid close action when on AC suspend I couldn't post a screenshot because "new users aren't allowed to post images. Earn more than 10 reputation to post images" The screen is on when I open the lid after closing for a few seconds. But not when I suspend from the session menu. Still the battery on my Dell inspiron N5110 is always empty when I get back to it after closing the lid. 'Why' is my question.

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• new hard drive on Dell Adaptec 2610SA 6 port SATA RAID PCI card

  - by Ragnarok85

  I have a Dell Adaptec 2610SA 6 port SATA RAID PCI card with 3 hard drives on it and everything works fine. I plugged another hard drive to it and the system (Ubuntu 12.04, 64 bit) seems not to recognize it. Strange thing is that, as happened in the past, if I re-install the system, it recognizes the new hardware plugged to RAID card. Of course I don't want to re-install ubuntu each time I plug a new hard drive on my RAID card. Any idea? Thank you in advance

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• Install Ubuntu Desktop from Ubuntu Mini?

  - by chilicuil

  I've installed Ubuntu 12.10 from PXE, using the linux & initrd.gz files and I'd like to update it to Ubuntu Desktop (with unity, the shopping len and everything in between). I've heard that I can do it by installing the 'ubuntu-deskop' meta package, however I wonder if anyone has actually done it and if that's enough to get an identical Ubuntu installation as if I had installed it with the LiveDvd. Thanks in advance.

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• Dual booting windows 8/ubuntu 12.04.2, Grub doesn't appear and machine never boot in ubuntu

  - by black sensei

  i got a new ACER predator AG3620-UR308 which came with windows 8, so i wanted to run ubuntu 12.04.2 on it as a dual booting. To be honest, i've been doing dual booting for a while now so, i did the right thing. the box came with 2TB HDD. so i made 4 partitions with a raw partition just after the windows installation partition I always do manual installation so even if ubuntu didn't detect windows 8, it was ok for me. So i created swap area and finished the installation etc....Grub was install on the only drive there which is sda. After reboot, grub doesn't even come up.So it always boot in windows 8. I did repeat the installation process twice and yield same result. which is weird because this method always works for me so far.Even the laptop am using to write this post is a dual booting windows 7/ mint nadia installed the same way. Is there anything new in windows 8 that i didn't make provision for? Before starting the installation, all i read about was that , windows 8 should be installed first and ubuntu after. I went ahead and disable secure boot from the BIOS and enabled CSM (don't even know what it means) according to Acer custhelp site . I boot from USB and did fdisk -l bellow is the result: ubuntu@ubuntu:~$ sudo fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x8c361cb5 Device Boot Start End Blocks Id System /dev/sda1 1 3907029167 1953514583+ ee GPT Partition 1 does not start on physical sector boundary. Disk /dev/sdb: 8178 MB, 8178892800 bytes 255 heads, 63 sectors/track, 994 cylinders, total 15974400 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0006a87e Device Boot Start End Blocks Id System /dev/sdb1 * 2048 15972351 7985152 b W95 FAT32 ubuntu@ubuntu:~$ Can anybody shed some light? thank you in advance EDIT Hey, i just did another trial with 13.04 this time and still no luck. bios: secure-boot: disabled enable CSM : always 1-delete previous ubuntu partition and swap area partition.now having free space 2- used usb installer to prepare usb with ubuntu-13.04-desktop-amd64.iso 3- rebooted : liveusb didnt detect windows 8, used something else 4-created partition ext4 for / 5-created partition for swap-area 6- default grub path is /dev/sda and clicked install Acer always boots into windows.

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• Mini Browser for Windows 7 Mobile

  This article will give step to step illustration of creating a simple browser for Windows 7 mobile.

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• Ubuntu 12.4.1 failing in vm both Vbox and Vmware on new HP Envy 4t-1000

  - by Chas

  Brand new to Linux, getting frustrated trying to get an environment up with Ubuntu. My primary goal is to learn Linux and Apache/PHP development. I need to keep my Windows OS as main on my machine for work, so i'm trying to virtualize Ubuntu 12.4.1 without luck (many attempts). I have a new HP Envy 4t-1000 with 16gb ram, and 32 gb ssd caching with 500gb spindle hard drive. Graphics card is an Intel HD 3000 with AMD Radeon 7670M. With installing Ubuntu desktop in VBox, I'm getting this result: https://forums.virtualbox.org/viewtopic.php?f=6&t=51939 With VMware workstation 7 (patched), I complete the install of Ubuntu, it reboots, purple desktop briefly flashes then it drops to command line. I bought a beginning Ubuntu book, and it recommends trying to manually configure graphics if this happens. So I tried doing a safe boot holding shift - I get to the first screen (GRUB) loads fine, and I choose recovery mode. After choosing the recovery mode, I get the recovery mode options, and can arrow down to what the book suggests 'Run in fail safe graphic mode.' Once I select this option, I get a black screen with a large white dialogue box, at the top it says "The system is running in low-graphics mode. Your screen, graphics card, and input device settings could not be detected correctly. You will need to configure these yourself." Then there is an ok button way down at the bottom. When I select 'ok' I get a menu for a few options, book recommended 'reconfigure graphics.' When I try this, I get a menu of two options: 1) "Use generic (default) configuration or 2) use backup. I've tried both options several times, hitting ok just refreshes screen and nothing more. Rebooting at this point just goes back to command line as before. I don't know what to do at this point, I've spent too many hours this weekend trying in both VBox and VMware to get Ubuntu going. Isn't there like a very basic graphic display or something I can use to at least get into the desktop? I explored the GRUB some more, and tried to look at the startup and xserver logs - both are blank. No help there I guess? When I try to choose 'Edit the configuration file, then 'ok' screen just refreshes on same menu options, nothing happens. thx for any advice. I really need to focus on learning Linux, Apache and PHP, so perhaps Ubuntu just won't work on my hardware? Any other suggestions? I will need to virtualize - THANKS for any help/advice.

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• Consuming too much power on a Dell 15R

  - by Daniel Davis

  I'm new to Ubuntu, and I've just installed Ubuntu 11.10, and I must say I really like it a lot. I'm getting used to Ubuntu faster than I thought but the only issue I'm having is the power consumption. I have a " dell 15R with BIOS a07" and I uninstalled Ubuntu 11.04 because of some glitches I hated. None of those appear on this Ubuntu but now my computer discharges way too quick. when I check the power icon, it states that I have like 3:45 min remaining, which is fairly the same as what win7 and Ubuntu 11.04 used to tell me but 15 min later I check again and it gives me only 1:15 min remaining. Also, my computer seems to get a lot hotter than it used to. Is there more options to control the power usage on my laptop?

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• Things to do After installing Visual Studio Express 12.

  - by Anirudha

  Originally posted on: http://geekswithblogs.net/anirugu/archive/2013/06/25/things-to-do-after-install-visual-studio-express-12.aspx  1. Environment > Document > Check the option for auto-load changes. By checking this option You can modified the file outside the VWD and VWD don’t tell you for confirmation. 2. Environment > Tabs and Windows > Preview Tab > uncheck the solution Explorer option. This option don’t show you the file when you just click on them in solution explorer. 3. Project and solutions > Check the track active item in solution explorer This option help you to easily figure out which file you working on and where it is in solution explorer . 4. text editor > all settings > word wrap > check this feature to enable word wrap 5. Text-editor > Css > formatting > check the compact rule. this option make you file smaller in size and easily to read. 6. Text-editor > html > miscellaneous > uncheck the auto ID option. Actually When you copy paste the html code Visual studio change their ID if ID is already exist. this option disable that feature. This is useful to do when we write if{} else {} statement and this is not helpful on that case. 7. Package manager > General > browse > copy the location of cache folder and in package source add them as source. This way you can use package that you have use earlier when you are offline. Thanks for read my post

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• Only sdb shows up when installing 12.04 on new Dell inspiron 14z

  - by Jan Korpegård

  I got my brand new Dell Inspiron 14z yesterday, but failed to install Ubuntu. I can boot from a USB stick, and it works well. When trying to install, I confirm that the laptop is connected to the internet etc (as in the 2nd picture in the installation guide: How do I install Ubuntu?). When pressing "Continue" I do not get the question on installation type (alongside/replace/something else). Instead I get a window where I can select partitions: // Picture removed due to low reputation... The problem is that I can only select sdb in the drop drop down box, and I can do do nothing with sdb (like adding partitions etc). The main disk (sda) is partitioned using Gparted the following way: // Picture removed due to low reputation As far as I understand from other threads on askubuntu, this should work... What can I do to install Ubuntu alongside with Windows 7?

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• 12.04 Dell GX260 resolution for 82845G/GL will not go greater than 1024x768

  - by Steve M

  I am a newbie to Linux and have installed 12.04 on to an old Dell GX260, I was hoping that I could slowly extract myself from Microsoft - but unless I can fix this simplest of problems I am thinking that this version of Linux is not ready for me yet!! I have read various posts but none seem to match, I believe the driver is installed, but under displays the maximum allowed in the drop down box is 1024x768 (4:3) display is unknown and detect displays does nothing. I have loaded all updates available but still no fix. xrandr shows: VGA1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm 1024x768 60.0* 800x600 60.3 56.2 848x480 60.0 640x480 59.9 xrandr --addmode VGA1 1360x768 cannot find mode "1360x768" anything above 1024x768 can not be found, but then I could be doing this out of step!!

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• Ubuntu boot repair Dell M1530

  - by Jon Laicov

  I'm new to Ubuntu and recently tried installing it on a Dell M1530. I had Win7 x64 installed on the HDD, and would like to have dual boot option. I had trouble installing the first time and after ran the boot-repair. After running through the process, it was unable to complete. I do have a URL http://paste.ubuntu.com/7942911. Can someone help me fix this issue or direct me where to post or email? Thanks in advance.

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• Are the Broadcom drivers in any new releases for my Dell with BCM4401 and BCM4311

  - by ematthe1

  I installed 12.04 on my wife's Dell laptop to replace 10.04. The code for the Broadcom drivers is broken and I am a user, not a coder. Does any available release of Ubuntu have the drivers in place so I can install and run and get my life back after days of thrashing around. I am willing to do some work, but I am not up to heavy duty command line activity. Please help if you can with any information. Thanks in advance. Matt

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• ViewSonic PC Mini VOT132 Review

  Is that a paperweight on your desk? Oops, sorry, it's a PC -- a space- and energy-saving desktop hardly bigger than a VHS cassette, priced at just $449, but with a dual-core Intel Atom CPU and all the power that office productivity workers need.

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• Fan working non-stop on a Dell Inspiron 5110

  - by cankemik

  First of all i'm new at ubuntu. I've only tried 11.10 before 12.04. Since then my notebook's(Dell Insprion 5110) fan was working non-stop. And also battery lasts in 2 hours. So i made a research. Some said it's about graphics card driver. I've tried so many things, so many codes but i get no result. I must say that i've tried ironhide and bumblebee. non of them worked 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: NVIDIA Corporation GF108 [GeForce GT 540M] (rev ff)

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• Shutdown issues on my Dell XPS M1530

  - by CppLearner

  On my Dell XPS M1530 lapttop, I am facing issues with shut-down option after upgrading to 12.04 LTS from 11.10. Sometimes it shutdowns "cleanly". But other times everything goes down but I can still see the power LED glowing (even after removing the power cord). If I keep it like that laptop temperature increases. So finally I opt for "hard shut-down" (i.e. pressing the power button on). Any thoughts what is happening here?. Edit: I just found this link to already reported bug https://bugs.launchpad.net/ubuntu/+source/linux/+bug/987933

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