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  • Unable to boot 12.04 server: no LVM activated and impossible to mount /

    - by baronKarza
    I'm stuck in the Busy Box shell after upgrading from Ubuntu server 11.10 to Ubuntu server 12.04 64 bit. During the booting phase the system hangs while mounting root filesystem. My system is so configured: /dev/sda1 -- /boot /dev/mapper/vg-lv_root /dev/mapper/vg-lv_var /dev/mapper/vg-lv_tmp When the boot process fails and I'm forwarded to the busybox shell, if I type vgchange -ay I can mount my volumes and all it's OK. But it does not enable LVM automatically so that it is impossible to mount root, var, and tmp. I tried to start with a Knoppix, chroot, reinstall (aptitude) both kernel and lvm2 as suggested by this tread "Fixing unbootable installation on LVM root from Desktop LiveCD": nothing changed. I can't figure out what is the problem. Any suggestion is welcome. Thanks in advance.

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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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  • Edubuntu boot problem on dual boot PC

    - by trptplyr
    When booting Edubuntu on a dual boot PC with Windows 7, the last message that I get is "Restoring resolver state" [Ok]. I then press the Enter key, some other messages come up and go away too quickly to notice what they say, and then the system shuts down. Windows 7 works fine. My system is an older Dell Inspiron 9400 laptop with 3Gb usable memory. This all started happening after attempting to upgrade to the next version of Edubuntu, but was not allowed to because I didn't have enough space in my partition to allow for it. I'm unsure whether that has anything to do with the problem.

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  • Problem with Ubuntu 12.04 boot

    - by Etienne
    I'm having a problem as stated in the title regarding bootup. What happens basically is that after grub is loaded the system doesn't boot. I get a black screen with cursor blinking then the screen darkens ( switches off ) and keyboard is unresponsive. Today I have re-installed everything on a new hard drive and it happened again. This has been observed when running kernel 3.5.0-30 and 3.5.0-28. System is an HP6550b. Can someone help me on this please ? Many Thanks!

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  • how to make new window always raise-up?

    - by user211923
    I got an issue of Ubuntu 13.10, the new created window does not always raise-up to the front. It is annoying, which makes me have to click the icons on unity launcher to focus on the new window. Furthermore, if I turn on a program which has already been opened, the system does not bring me to the program, only blinks its icon on the unity launcher. Again, I need to click the icon to get focus on the window. Seems the system does not smart enough to determine which window should be focused to. I'm pretty sure it did not happen in previous versions of Ubuntu. Any idea how to fix it?

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  • How can I make Google show unit conversions by default?

    - by bUbUKid
    When I search for "4 inches in g" on my Windows Firefox I immediately get a unit conversion done by Google that shows up before the actual search results. On my Ubuntu 12.04 system this does not work though. I tried Firefox and Chromium and have no script blockers installed. I also switched off AdBlock Plus for testing but to no avail. I realize that this is not really Ubuntu doing something wrong but: Are there any settings I can modify to make Google show these results? I use them quite frequently and I believe (though I cannot test it anymore) that this used to work on my last Ubuntu System. Maybe there are some script sources that Ubuntu has disabled by default or something like that?

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  • Time tracking similar to Paymo Plus on Debian

    - by aditya menon
    PaymoPlus is free (closed source but no fees) PaymoPlus sits in my System Tray all day, and records every window/tab I open I would like to know if a similar app exists for Debian. Paymo for Windows/Mac has the additional sweet feature of being able to drag and drop working windows/tabs and the time spent into the tasks, but one can live without this. I would at least need to know which tasks got how much time in a 'sum total' calculation so I can enter that time into my Paymo reporting. Any ideas? Paymo does have a desktop widget for Linux but it is a dumb (non-sentient) manual time entry tool, not like Paymo Plus automatically recording everything being done.

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  • READ_ME_FIRST: What Do I Do All of Those SPARC Threads?

    - by user12608550
    New Oracle Technical White Paper: READ_ME_FIRST: What Do I Do All of Those SPARC Threads? Executive Overview With an amazing 1,536 threads in an Oracle M5-32 system, the number of threads in a single system has never been so high. This offers a tremendous processing capacity, but one may wonder how to make optimal use of all these resources. In this technical white paper, we explain how the heavily threaded Oracle T5 and M5 servers can be deployed to efficiently consolidate and manage workloads using virtualization through Oracle Solaris Zones, Oracle VM Server for SPARC, and Oracle Enterprise Manager Ops Center, as well as how to improve the performance of a single application through multi-threading. READ_ME_FIRST: What Do I Do All of Those SPARC Threads?

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  • Managing a manager who expects too much

    - by dotnetdev
    I am in 3rd line support. We do a lot of bug fixing (although we should be doing other stuff). Quite often, we get systems which are so badly designed and configured (at the server OS level and software level) that they are beyond repair. Yet my manager, even though he was a dev, may swear when I tell him the system is unrepairable (As the person who does our server work gives an opinion that it's FUBAR). However, he still expects it to work without a rebuild. How can I make it work like that when a guy with a million years more experience says the system needs a rebuild?

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  • Documentation vs tutorials vs video tutorials - which one's better?

    - by Cat
    As a developer/software engineer, what would you say are the most helpful resources when attempting to learn and use a new system? If you had to integrate a new SDK into your codebase/application, which one of the following options would you much rather go with? documentation tutorials video tutorials Same question for learning a new framework (e.g. writing an iOS app, learning Python, integrating the Android SDK, etc.). I'm not referring to becoming an expert, just get to know enough to use a system/language/framework properly. This is a pretty general question, but I think it's very relevant to anyone who's doing engineering work, since learning how to use new systems quickly is a very important skill to have. Thank you!

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  • Dependency problem while missing package is already installed

    - by hakermania
    I am trying to install a program but I am getting a dependency error. The error clearly points out: Dependency is not satisfiable: libc6-amd64 (>= 2.14) I went on to investigate and I found out that I have 2.19 version installed, actually: alex@MaD-pc:~$ apt-cache policy libc6-amd64 libc6-amd64:i386: Installed: 2.19-0ubuntu6 Candidate: 2.19-0ubuntu6 Version table: *** 2.19-0ubuntu6 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main i386 Packages 100 /var/lib/dpkg/status Why am I getting this error if I already have this package? I also should probably mention that the system is 100% up to date. I run the updates and upgrades, restarted the system and then tried to install the package again with the same error popping up. Edit 1: I am using amd64 but I have installed some 32-bit libraries required by some program installed via wine if I recall correctly.

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  • Strange behavior of USB HID device

    - by spyder
    I have a device with ARM that work as USB HID. It working well on Windows XP x32 sp 2 and sp 3 (USB 2.0, many PCs), on Windows 7 x32 Ultimate (USB 2.0, Lenovo and HP laptops) but do not work on Windows 7 x64 Home Premium sp1 — plugged and unplugged frequently in USB 2.0 with baloon with "unknown device" in system tray and works not well in USB 3.0 port (MSI all-in-one PC), not all programs can detect it. What can cause this problem? Update. I connected my device via USB hub and everything works fine with it.

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  • What You Said: How Do You Set Reminders?

    - by Jason Fitzpatrick
    Earlier this week we asked you to share your favorite tricks for staying on top of your tasks with timely reminders. Now we’re back to highlight some great reader tips (including a bit of software older than some of our readers). Most of us have to-do lists longer than we can do in a given day (or week!) and a constantly changing set of demands and next-actions. Having a timely and effective reminder system is the difference between dropping the ball and getting things done; how exactly that reminder system plays out, however, varied greatly from reader to reader. OJMDC sticks with analog reminders: Sticky notes in the middle of my monitor and in my wallet. I’ve tried my phone apps but I typically disregard them. HTG Explains: Is UPnP a Security Risk? How to Monitor and Control Your Children’s Computer Usage on Windows 8 What Happened to Solitaire and Minesweeper in Windows 8?

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  • I have Ubuntu 11.10 and for no apparent reason my sidebar suddenly will not hide, how can I reverse this?

    - by cathy
    I have Ubuntu 11.10 and for no apparent reason my sidebar suddenly will not hide, I did not go into system settings or anything like that. I googled this, but everything I found had me downloading something to be able to fix it. However, as it changed without me downloading anything, I'm hoping it's possible to change it back without downloading anything. I read somewhere that I should go into "System setting", "appearance", "behaviour" and change it to "auto-hide", but I did not have a "behaviour" tab in "appearance". I would normally be able to just deal with it, but it is preventing me from being able to click the "back" button when I am in a browser. Does anyone

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  • Plugged in, not charging&ndash;Windows 7

    - by Kelly Jones
    Just a quick post on something I ran into lately with my Dell Precision M4500 laptop (monster laptop!).  I noticed the little icon in the system tray for the power options was stating that it was “plugged in, not charging”.  I don’t know why it was stating this, but I quickly found a fix for it on the net. I found the fix in this forum on CNET.  Here’s the fix: In order to correct problems with the battery's power management software, follow the steps below. 1. Click Start and type device in the search field, then select Device Manager . 2. Expand the Batteries category. 3. Under the Batteries category, right-click the Microsoft ACPI Compliant Control Method Battery listing, and select Uninstall . WARNING: Do not remove the Microsoft AC Adapter driver or any other ACPI compliant driver. 4. On the Device Manager taskbar, click Scan for hardware changes . Alternately, select Action > Scan for hardware changes . Windows will scan your computer for hardware that doesn't have drivers installed, and will install the drivers needed to manage your battery's power. The notebook should now indicate that the battery is charging.   And it did work.

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  • How do I change the "Default" password

    - by Allwar
    hi, here's my problem. When I log in I'm beeing asked for a password connecting to the internet which is strange because I'm the only user and the admin. I have auto log in and it never asks for passwords, (except when i do administrative tasks.) I have looked in the menu (System -- preferences, but i can't find any topic that say's passwords or similar. the only place where I have found a way to change my password is my user ((System -- preferences -- user and groups). I did try to take screenshots but nothing happened, which also is strange. I'm running ubuntu 10.04 LTS Desktop on my Asus 1201n (12").

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  • How do I set command line mode vga=788 permanently?

    - by George
    I have a problem that is not of easy resolution, happen to tell... I have Installed Ubuntu 10.10 Server. I want to join to the system way vga=788, into the grub it changes without any problem editing the file grub.cfg, the problem is that editing the above mentioned file I join to the system way vga=788 (800x600) and then command line puts itself in way vga=792 (1280x1024). Is there any way of changing this configuration so that it is always vga=788? tanks. sorry for my english :D

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  • Collision Systems Implementation

    - by hrr4
    Just curious what might be a good way to implement a decent collision system. As a class inherited by a base Entity class? Currently I'm stuck and could just use a couple better ideas than my own. Any help is appreciated! Edit: Sorry, it's 2D Collisioning but honestly, I'm not looking for specific collision methods. I'm looking more about the lines of implementation. Just curious of some of the common methods of how to implement collision systems such as: Should the entire collision system be it's own class? What, if anything, should be inheritable? These are some of my questions. Sorry for the confusion.

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  • Ubuntu Crashes @ Login Screen

    - by Peter
    So, I've been having troubles with the newest Windows Installer for Ubuntu Desktop(http://www.ubuntu.com/download/desktop/windows-installer). When I start up up the operating system, i enter the login screen of Ubuntu. Everything is fine at that moment except my mouse and keyboard are frozen. Next I hear a "bongo" noise which is obviously the system looping and getting ready to crash. Soon enough, I enter a purple screen with white diagonal short lines in the background. I am then forced to unplug my desktop. Any way to fix this? Thanks!

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  • Command line option to check which filesystem I am using?

    - by j-g-faustus
    Is there a command that will show which file system (ext3, ext4, FAT32, ...) the various partitions and disks are using? Similar to how sudo fdisk -l lists information about disks and partitions? Update Accepted the "mount" answer as mount works without specifying filesystem type (commenting out the relevant entries in fstab, if any): $ sudo mount /dev/sdf1 /mnt/tmp $ mount | grep /mnt/tmp /dev/sdf1 on /mnt/tmp type ext3 (rw) Found another option in ubuntuforums - blkid: # system disk $ sudo blkid /dev/sda1 /dev/sda1: UUID="...." TYPE="ext4" # USB disk: $ sudo blkid /dev/sdf1 /dev/sdf1: LABEL="backup" UUID="..." TYPE="ext3" # mdadm RAID: $ sudo blkid /dev/md0 /dev/md0: LABEL="raid" UUID="..." TYPE="ext4" Thanks for your help!

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  • Automatically Connecting to Hidden SSID WiFi Network

    - by Zack
    My MacBook Pro will not automatically connect to a Wireless network with a hidden SSID. It makes me select the "Join Other Network..." in the Airport menu (in the system tray), where I need to input the name of the network, then security type, password and wait for it to connect. This is becoming increasingly annoying to have to do every time I come back to my desk. I'm running Mac OS X 10.5 and there doesn't seem to be an option to connect to a specific network, but rather "Preferred Networks." The only network I have set as Preferred that's in range is my home network, and it still doesn't automatically connect. Making the network publicly visible isn't under my control, so I'm stuck with what's currently in place. Reader's Digest version: How do I make my MacBook Pro automatically connect to a WiFi Network with a hidden SSID without having to "configure" it every time I want to connect?

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