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• Battery life low on notebook using ubuntu 11.10 vs. windows 7

  - by les

  Im using a brand new Dell XPS notebook (bought mar 2012) which has 4.5 hrs battery life using a 6 cell battery-when i use windows 7. The machine uses an Intel core 17 2670qm processor, and a 64 bit operating system. I downloaded Ubuntu 11.10 and installed it on a USB drive, which is how i use it. I still have Windows 7 on the machine. When the machine is booting up I hit F12, and run Ubuntu from the flash drive instead of the machine booting Windows, as it normally would. On the Ubuntu menu, on the top right area, there is a battery menu, which shows how long to charge battery, or how much life left etc..with a fully charged battery the most Ubuntu will give me is 1.5 hrs. I've adjusted all power setting etc by clicking on the battery meter where i can make these adjustments, and have even turned down the brightness on the monitor. I've read through these questions here, and a user wrote to install Ubuntu 12(?)(the alpha version) when it's out this month(april), and this has better power management. Other forums (Ubuntu wiki) state that windows 7 controls power management effectively because it's configured to work with the hardware. I'd like to install Ubuntu and wipe windows but can't because of this issue. I need my notebook to go hours, not an hour and a bit. Can anybody recommend possibly a good software to use, that will work with the machines bios under Ubuntu? Another thought of mine, is- since I didn't yet wipe windows off my hard disk, is windows still possibly controlling the power mgmt aspect on the machine? I've thought of calling tech support at Dell and asking for help there, maybe Dell has something (a tweak?), I can download that'll work under Ubuntu. Looking forward to any help/suggestions i can get here, i'm really stuck on this..

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• HP Presario CQ 61-322ER (VV884EA) Wi-Fi hang up!

  - by qgrabber

  I have my new laptop and don't have Windows XP drivers for it. I found that it contains the Broadcom BCM4310 chip, but when I install any Broadcom driver my laptop hangup on installing bcm5*.sys driver. Only power-off button make any effect. After reboot the device list (Device Manager) contains Broadcom WLAN adapter, but it is marked as disabled, for some hardware errror! Also if I disable device before, and install driver - then - all is OK! But when I try to enable it, Windows hang up anyway (no speaker beep, no mouse input, no keyboard input - nothing) What is the solution?

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• When should I upgrade to Ubuntu 10.04 (Lucid Lynx)? [closed]

  - by Emyr

  I'm a web developer for a small non-IT firm. When 9.10 came out, I was using it with no adverse effects from about a month before release (iirc, first beta), initially as an upgrade but as a clean install later to ensure my system would be consistent with most other 9.10 systems. The last alpha of 10.04 came out last week, with another 2 weeks before beta. I'm quite eager to do it today, but obviously the usual "not for production systems" notice is still in place. When should I upgrade? Do I need to worry about software installed from source? (./configure, make, make install etc) Is the attraction of a non-brown theme really this tempting for you?

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• Why does Windows 7 update fail with error 800706BE?

  - by parsley72

  I have 18 updates appearing for Windows 7 x64 but when I try to install any of them I get the error 800706BE. The Microsoft help that appears gives several solutions: Fix It button. This downloads MicrosoftFixit50123.msi from http://go.microsoft.com/?linkid=9666880 (963KB). After running it displays the message "This Microsoft Fix It has been processed". System Update Readiness Tool. This is actually in response to error 800B0100 which isn't the one I'm seeing. You download the file from http://windows.microsoft.com/en-US/windows7/What-is-the-System-Update-Readiness-Tool (362 MB). After running it says "Do you want to install the following Windows software update: Hotfix for Windows (KB947821)"

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• Programmatically closing a dialog box - win32 [migrated]

  - by user1697579

  I'm working on an application to detect a pop-up dialog and then automatically dismiss it. I'm writing this as a C++/Win32 app. The dialog box is generated by IE 7 and I can detect the window, but several methods to get the OK button to "click" have failed. Doing searches for other people's solutions, sending these messages to the button handle seems to have worked in a lot of situations: PostMessage( handle, WM_LBUTTONDOWN, 0, 0 ); PostMessage( handle, WM_LBUTTONUP, 0, 0 ); PostMessage( handle, BM_SETSTATE, 1, 0 ); It has no effect on the button state in my tests though. I can send tab characters to the main window and see that the OK button gets focus, but then sending return characters does nothing. To learn more about this I used Spy++ to get information about the window hierarchy and what messages are delievered when I manually click the OK button. Looking at the message log and reading about WM_MOUSEACTIVATE seamed to offer a solution. The log info shows that 0002166C was the button window. So in my code I tried this: GetClassNameA( handle, str, str_size ); if( strcmp( str, "Internet Explorer_Server" ) != 0 ) return TRUE; // Not the window we're interested in. // Send a message to activate the button window and have it process a mouse click. PostMessage( handle, WM_MOUSEACTIVATE, (WPARAM) dialog_handle, MAKELPARAM( HTCLIENT, WM_LBUTTONDOWN ); Based on the window hierarchy and message log, I think the window with the class name "Internet Explorer_Server" is the button. Maybe I'm wrong, because it does seem like an odd class name for a button... Below is a link to the window hierarchy image, message log when I manually click the OK button. Last is the code that's executed on a 1 second timer ticket, looking for the window. Any insight and help is appreciated! Image of the window hierarchy, source, window messages, and test dialog source are available here: https://sites.google.com/site/matthewmillersmiscellanea/Home/

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• How do I mount a .iso or .dmg image as a CD on a Mac so that it's recognised as a CD and not just a volume?

  - by despicable

  I have a knackered super-drive, and need to install software from a CD. However I do have backup images (as .dmg's) of all my install disks. Usually it all works fine, but with two particular installs it tells me to insert the CD into the drive. Is there anyway to fool the system into mounting the .dmg and make it look like a CD? I believe that Toast can do this, so it's possible. I was just hoping to be able to do it without forking out £80 - I could get an external drive for that (just not right this second)

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• Password not accepted when resuming from sleep

  - by Comrade

  My HP Pavilion dv-series notebook will not accept the user account password for the logged in user when resuming from sleep - message returned is Incorrect Password. Simply selecting the Switch User option reloads the login screen and allows me to log in as the same user with the same password that was originally rejected. And, yes I've tried it more than one (hundred) times in case you were thinking it's just a case of slippery fingers. Another interesting point is that it appears to be independent of the software running on the machine. Since the issue first appeared, I have done two clean installs where all HD partitions were wiped and new ones created during fresh installation of the OS. The first such clean install was of Ubuntu (Lucid) 10.04 amd-64, the second of Win 7 Pro 64 (from boxed disc and activated post install). Exactly the same symptoms, described above, are exhibited on both platforms. Have engaged in significant amount of Googling an come up empty so any ideas are welcome.

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• sticky bit on NFS file system

  - by Kris_R

  I have a system where to the main server (homes, nfs, ntp, queue...) can log-in only root – all the other users use front-end host with NFS-mounted home directories (RW) and all other software directories (read-only). My problem is, that time to time, if root or normal user with sudo makes some administrative works on front-end some homes of normal users getting sticky bits (drwsr-sr-x). If it happens usually the user can't log-in (as long as permission for his home are not changed to drwxr-xr-x). The last time I saw it after compiling some new software (normal user configure;make) and installation from the same directory as root (su and make install or direct as normal user sudo make install). Can somebody explain me why it happens and what should I do to get rid of this problem? p.s. I'm using CentOS 5.7

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• Lubuntu 13.04, kernel still 3.8.0-32-generic

  - by Blue Ice

  My question is very similar to Ubuntu 13.10, kernel still 3.8.0-31-generic. Recently was updating to Saucy and the ethernet cable got unplugged. So I decided to run Software Update again, to reinstall files. It returned that "everything is up to date". But according to these command-line searches, that is incorrect. How can I install Saucy now safely from the command line? sudo apt-get install lubuntu-desktop Reading package lists... Done Building dependency tree Reading state information... Done lubuntu-desktop is already the newest version. The following package was automatically installed and is no longer required: linux-image-extra-3.8.0-19-generic Use 'apt-get autoremove' to remove it. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. sudo apt-get update Get:1 http://extras.ubuntu.com raring Release.gpg [72 B] Hit http://extras.ubuntu.com raring Release Get:2 http://az-1.hpcloud.mirror.websitedevops.com raring Release.gpg Hit http://extras.ubuntu.com raring/main Sources Hit http://extras.ubuntu.com raring/main i386 Packages Get:3 http://az-1.hpcloud.mirror.websitedevops.com raring-updates Release.gpg Get:4 http://az-1.hpcloud.mirror.websitedevops.com raring-backports Release.gpg Get:5 http://az-1.hpcloud.mirror.websitedevops.com raring-security Release.gpg Get:6 http://az-1.hpcloud.mirror.websitedevops.com raring Release Ign http://extras.ubuntu.com raring/main Translation-en_US Ign http://extras.ubuntu.com raring/main Translation-en Hit http://ppa.launchpad.net raring Release.gpg Ign http://az-1.hpcloud.mirror.websitedevops.com raring Release E: GPG error: http://az-1.hpcloud.mirror.websitedevops.com raring Release: The following signatures were invalid: NODATA 1 NODATA 2 lsb_release -rd Description: Ubuntu 13.04 Release: 13.04 uname -r 3.8.0-32-generic

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• Release Notes for 6/28/2012

  Here are the notes for this week’s release on CodePlex: Improved the diff viewer to take you directly to the first diff when viewing a file’s diff. We decreased the size of all of our form elements to be more in line with the rest of the content of our site. Fixed various issues around interacting with the diff viewer, especially around scrolling and interacting with the splitter. Fixed an issue where non-project members were seeing inapplicable TFS connection instructions when clicking on the source code details of a project. Fixed an issue where searching with the enter key on the advanced issue tracker was not working. Removed the confirmation pop-up when picking SVN as a source control option. Fixed an issue where the bulk editing dialog of issues in Internet Explorer would become unusable if there were values to choose. Fixed an issue where project logos would not show up when browsing under https in FireFox and Chrome. Fixed an issue affecting the formatting of code in pull request code comment notifications. Have ideas on how to improve CodePlex? Visit our ideas page! Vote for your favorite ideas or submit a new one. Got Twitter? Follow us and keep apprised of the latest releases and service status at @codeplex.

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• Nvidia driver on Windows 7 causing black screen

  - by inKit

  I have just installed Windows 7 on a desktop machine and for the first time ever have had a really tough time doing so, its normally a nice smooth install. This time I found that the monitor would simply go black after completing the installation. I tried reinstalling about 3 times and this did not help. After much searching I discovered that it was the nvidia drivers that were playing up with win 7, so i booted into safe mode, disabled the device, then rebooted to complete the installation. Windows 7 now works fine as long as the nvidia 9600 gt video card is disabled. The moment I enable it, the system requires a reboot and the screen will go black before even getting to the log in screen. I have tried downloading the latest driver and installing it manually, I have also tried uninstalling the device and allowing windows 7 to install it itself. Nothing seems to work. any clues?

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• Put Google Chrome, AVG on a flash drive

  - by duncan12

  I often install programs on others' computers such as LibreOffice, which, when they only have a dial-up connection, takes forever to download. So instead I keep it on a flash drive and install it from there. This works fine for LibreOffice. However, some programs, when you download them all you are downloading is a downloader - when you download ChromeSetup and open it, a installer window opens which actually downloads Chrome. Dial-up users then see that it will take 4 hours. Another example is AVG free antivirus - you download an installer, which when opened actually downloads AVG. However this doesn't work too well for dial-up users. How do I put the entire program of things like Chrome and AVG on a flash drive for fast installation on others' slow connections?

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• dist-upgrade broke my insatll HELP

  - by diefuchsjagden

  so I ran apt-get update; apt-get dist-upgrade the upgrade failed and I lost the gui, I have an encrypted /home drive. When I run apt-get * (any command) I have all kinds of errors mostly missing depends and thats because apparently my network stack is gone. I have no NIC if I run ifconfig. It doesn't even show up with lspci If I were to do a "clean" install of 10.04 LTS which is what I had on my on my build, will I lose all my data? BTW I was just using Ubuntu's default encryption to manage the encryption using my PSWD as the key so if I were to use the same user name and PSWD would my data be accessible? I can see my data from command line, when or if Xorg does start it just loads a basic window with nothing but a black X in the middle of the screen which I can only assume is my mouse cursor but it doesn't move! Reddit /r/linux had some ideas none of which worked was, no help. And apparently /r/ubuntu is full of jerks because all they did was ridicule me. If I can get my install back I probably will be switching back to either Slackware or Gentoo. The Ubuntu forums were of no help they had the same suggestion as /r/linux. I am about to just run my back up script to my back up drives and nuke everything else but I'd rather not.

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• Computers with Small Capacity SSD - For caching?

  - by RXC

  Recently, in newsletters from websites, I have been seeing computers for sale from manufacturers that include an HDD and an SSD but the SSD has a small capacity like 24 GBs. I don't know if this still holds true, but I learned that when building a computer, you would want to install your OS on your fastest hard drive. I do a lot of PC gaming, so I install my OS and games on my SSD, because I learned that games and many applications make lots of system calls to the OS and performance can only be as fast as the slowest piece. Why these computers come with small capacity SSDs? Most OS's take up around 20 to 30 GBs of space, so what are the benefits of such a small SSD? Are these small size SSDs for caching? and what exactly does caching mean (what does it do and how does it help)?

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• Persistent retrying resuming downloads with curl

  - by Svish

  I'm on a mac and have a list of files I would like to download from an ftp server. The connection is a bit buggy so I want it to retry and resume if connection is dropped. I know I can do this with wget, but unfortunately Mac OS X doesn't come with wget. I could install it, but to do that (unless I have missed something) I need to install XCode and MacPorts first, which I would like to avoid. Curl is available though it seems, but I don't know how that works or how to use it really. If I have a list of files in a text file (one full path per line, like ftp://user:pass@server/dir/file1) how can I use curl to download all those files? And can I get curl to never give up? Like, retry infinitely and resume downloads where it left off and such?

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• Problem installing Ubuntu 14.04 into a laptop using Windows 8.1

  - by AlexanderFreud

  I have used Ubuntu on my LG laptop for several years. I lately bought an Acer Aspire V5 laptop which included Windows 8.1. I don't have any data on it; I would like to just remove it completely (that horrible Windows 8.1) and install Ubuntu. I tried using a USB device with Ubuntu 14.04 (64bit version) saved on it. I changed the BIOS configuration, putting USB device first on boot order, Windows Boot Manager last. When I try to run with USB device it doesn't work. Messages like these show up: System doesn't have any USB boot option. Please select other boot option in Boot Manager Menu. Windows failed to start. A recent hardware or software change might be the cause. To fix the problem: 1. insert your windows installation disc and restart your computer 2. choose your language settings, and then click "next" 3. click "repair your computer" If you do not have this disk, contact your system administrator manufacturer for assistance File \ubuntu\winboot\wubildr.mbr Status: 0xc000007b Info: the application or operating system couldn't be load...[?] required file is missing or contains errors. Could someone please write step-by-step procedures to install Ubuntu 14.04 after removing Windows 8.1 ? I already have done a second partition on the hard disk just in case.

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• Horrible time with WAMP, Joomla and Windows 7 (Permissions)

  - by jax

  I have WAMP and Joomla installed on Windows 7. I have made a virtual host outside of the www directory that houses a test joomla site. I have also made a joomla component that I want to install and test on this virtual host. I am having constant problems with permissions. I have given all users full access to the folder containing the files under the security Tab in Win7. It seems to me that when (Apache/PHP) creates a file it put restrictions on the permissions which does not allow it to delete or edit the file anymore so I have to manually go and delete the files when I want to uninstall my component. Also, I cannot install the .zip - instead I have to unzip manually to the tmp folder because when I upload the zip in the Joomla Installer I get the same permissions problems as above. How can I get rid of these issues once an for all?

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• SBS 2008 - Blank desktop while installing

  - by Sandokan

  I'm trying to install SBS 2008 Standard Ed on a VMware Workstation 8. The installation runs fine up until some point where the desktop becomes completely blank. The server is still running and responds to CTRL+ALT+DELETE and CTRL+ESC, but there are no icons and no explorer-bar. I have tried to install it twice now and each time it comes to a halt at the same spot. Starting Taskmanager and launching explorer.exe only brings up the filemanager. Anyone have a clue to what it could be?

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• Booting an EXT4 image file from GRUB2

  - by sjjg

  My friend needed a fast HDD so I gave her my small 64GB SDD. This SSD had my Linux install on it. I used dd to make an image of the partition (boot, root and home on one partition). This partition is now sitting on a traditional 500GB EXT4 formatted drive. Is there any way I can get GRUB to just boot using this .img file I have? I'm not getting my SSD back and I can't be bothered to go through the hassle of setting up my Linux install from scratch. I have come across loopback support in GRUB for ISO images. Does this support EXT4 also? I don't seem to be able to find anything specific and don't want to trash anything. Cheers.

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• Optimal partition setup for Windows 7 on SSD

  - by Mike C.

  Hello, I'm setting up my system with Windows 7 right now, with knowledge that I am going to be getting a SSD in the future. What optimizations/setup should I do now to make a smoother transition in the future? Should I created two partitions - one for the OS and one for the data? Assuming this is the case, I would be able to easily ghost my OS partition onto the SSD in the future. If so, what should go on the OS drive besides the OS? Program files? If I install games or Visual Studio, should it go on the OS drive or the data drive? I can see the SSD filling up fast if I install all my program files on there. I've seen a few posts where people talk about leaving a portion of the SSD unformatted - is this something I should do? Thanks!

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• After installing Ubuntu my computer boots into GRUB rescue mode after displaying 'no such partition' error message.

  - by VictorVictor5

  I wanted Ubuntu on my Gateway Solo Laptop. It had Win98 on the C:\ and WinXP on the D:\. Before the install, I could not boot from CD, but I could boot from floppy. I installed Ubuntu to run alongside Windows XP as that was one of the options. It didn't detect Win98, but I swear it's on there. Install seemed fine and then it asked me to reboot. When I rebooted, I got the message error: no such partition and the grub rescue> command prompt. I've looked around, but some commands, like sudo, don't work. One command I did get to work was set root=(hd0,0) if that helps. I'm a noob, and it was a pain installing Win98 and XP since this system is so old. I don't want to wipe my drive and start all over! Additional details copied from comments Addendum, I restored my master boot record via my Win98 boot floppy and typing in frisk /mbr. But, I'd still like to get ubuntu - any help? If I restored my master boot record - did I delete Ubuntu?

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• 12.10 Quantal display issues using nvidiaXineramaInfoOverride

  - by AvatarKava

  After updating to 12.10 today, my xorg.conf doesn't seem to be respected by Quantal. Not sure if this is a 'bug' or whether it's just an adjustment I have to make due to changes in the OS. When logging in, it seems Ubuntu is now recognizing only one 3840x1080 screen named "Matrox" and maximizing windows spans them across both screens. In 12.04, this configuration file successfully allowed me to override the data provided by my TripleHead2Go and maximize windows to a single monitor. Any ideas or where to start on trying to debug this? After a bit of searching, I tried to make changes according to the update here: http://www.phoronix.com/scan.php?page=news_item&px=MTEyMDk Here's where the config file sits currently: Section "ServerLayout" Identifier "Layout0" Screen 0 "Screen0" 0 0 InputDevice "Keyboard0" "CoreKeyboard" InputDevice "Mouse0" "CorePointer" Option "Xinerama" "0" EndSection Section "Files" EndSection Section "InputDevice" Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/psaux" Option "Emulate3Buttons" "no" Option "ZAxisMapping" "4 5" EndSection Section "InputDevice" Identifier "Keyboard0" Driver "kbd" EndSection Section "Monitor" # HorizSync source: edid, VertRefresh source: edid Identifier "Monitor0" VendorName "Unknown" ModelName "Matrox" HorizSync 31.5 - 80.0 VertRefresh 59.9 - 75.0 Option "DPMS" EndSection Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "GeForce GTX 260M" EndSection Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 Option "nvidiaXineramaInfo" "true" Option "nvidiaXineramaInfoOrder" "CRT-0" #Option "metamodes" "CRT: nvidia-auto-select +0+0" Option "nvidiaXineramaInfoOverride" "1920x1080 +0+0, 1920x1080 +1920+0" Option "Stereo" "0" SubSection "Display" Depth 24 EndSubSection EndSection

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• How to NFSv4 share a ZFS file system on FreeBSD?

  - by Sandra

  Using FreeBSD 9, and created a ZFS file system like so zfs create tank/project1 zfs set sharenfs=on tank/project1 There are many howto's on setting up NFSv3 on FreeBSD on the net, but I can't find any one NFSv4 and when the NFS share is done with ZFS. E.g. this howto say I have to restart the (NFSv3) by nfsd -u -t -n 4, but I don't even have nfsd. When I do # echo /usr/ports/*/*nfs* /usr/ports/net-mgmt/nfsen /usr/ports/net/nfsshell /usr/ports/net/pcnfsd /usr/ports/net/unfs3 /usr/ports/sysutils/fusefs-chironfs /usr/ports/sysutils/fusefs-funionfs /usr/ports/sysutils/fusefs-unionfs # I don't see any NFSv4 servers, which I could install with pkg_add. Question How do I install and setup NFSv4, so I can mount the share from e.g. a Linux host?

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• why Ubuntu 12.04.1 nautilus left panel, doesn't show other partitions and usb drives?

  - by amerllica

  how do you do friends will be fine I had Ubuntu 12.04 and all thing work well but at one day i decide to change my partition tables, and done it. at now I've windows 8, Ubuntu 12.04.1 and Backtrack5 R3 on my laptop. my partitions are: /dev/sda1 * 2048 58597375 29297664 7 HPFS/NTFS/exFAT /dev/sda2 58601472 976773119 459085824 5 Extended /dev/sda5 58605120 797020159 369207520 7 HPFS/NTFS/exFAT /dev/sda6 797030400 933763071 68366336 83 Linux /dev/sda7 933765120 972834815 19534848 83 Linux /dev/sda8 972836864 976773119 1968128 82 Linux swap / Solaris at first I install windows 8 and then Backtrack5 R3, and at last I install Ubuntu 12.04.1 and I realize that my Ubuntu nautilus doesn't show other partitions or usb/cd/dvd drives. I search in Google and various Linux or Ubuntu forums, But I can't find any solution, just one thing... that is "gvfs-gdu-volume" cause nautilus left panel show other partitions which didn't mounted. but when I see top there isn't this program. who can I solve this problem? how nautilus can show other partitions or drives in its left panel once again?

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• "Undeleting" partition (NTFS) - recommendations?

  - by kagali-san

  So I have a drive which either suffered from hardware error or, possibly, got a little shock from badly configured Windows unattended install started on the same PC (the drive in question wasn't the install drive..). Quick exam shows that filesystem is seemingly intact, as some data recovery tools work with it (UnFormat rated it as "Excellent"). This may mean that a copy of partition table exists on disk, or a copy of MFT survived whatever happened, or.. Any idea how to restore partition tables/FS header, add a drive letter thus let Windows to mount the filesystem as if nothing happened? (I guess there must be tools of this kind)

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