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• Unable to mount an LVM Hard-drive after upgrade

  - by Bruce Staples

  I imagine this is a basic gotcha ... but I can't see it. I have a system with 2(physical) harddrives. The boot system (/dev/sda) was running 10.04 & the second drive (/dev/sdb) was just a mounted filesystem. I did a clean load of Ubuntu 12.04 overwriting /dev/sda (not an upgrade) & now cannot mount the second drive. so I do not know what to enter it into the fstab ... I had expected to use: /dev/sdb /tera ext4 defaults 0 2 But even manual mounting fails (I also have tried various "-t" options on the off chance!) sudo mount -t ext4 /dev/sdb1 /tera mount: wrong fs type, bad option, bad superblock on /dev/sdb1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so Output from disk queries indicate that it is a Linux LVM & a healthy disk still. sudo lshw -C disk *-disk:0 description: ATA Disk product: WDC WD5000AACS-0 vendor: Western Digital physical id: 0 bus info: scsi@2:0.0.0 logical name: /dev/sda version: 01.0 serial: WD-WCASU1401098 size: 465GiB (500GB) capabilities: partitioned partitioned:dos configuration: ansiversion=5 signature=00015a55 *-disk:1 description: ATA Disk product: WDC WD10EADS-00L vendor: Western Digital physical id: 1 bus info: scsi@3:0.0.0 logical name: /dev/sdb version: 01.0 serial: WD-WCAU47836304 size: 931GiB (1TB) capabilities: partitioned partitioned:dos configuration: ansiversion=5 sudo fdisk -l Disk /dev/sda: 500.1 GB, 500106780160 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976771055 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: 0x00015a55 Device Boot Start End Blocks Id System /dev/sda1 * 2048 972580863 486289408 83 Linux /dev/sda2 972582910 976769023 2093057 5 Extended /dev/sda5 972582912 976769023 2093056 82 Linux swap / Solaris Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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: 0x00000000 Device Boot Start End Blocks Id System /dev/sdb1 1 1953525167 976762583+ 8e Linux LVM LVM doesn't appear to be an option for mount or fstab. ... and here's a Smart data Screenshot from Disk Utility.

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• System low graphic error,asking for some command to fix it

  - by mantra

  While running Ubuntu 12.04 amd64 from USB in safe mode it shows an error that says the system system running in low graphics mode. When I click to reconfigure low graphics mode it prompts: ubuntu@ubuntu: It asks for some command. What should I do? I am a complete beginner on the Linux platform. Should I install it without fixing the graphics, or should I solve the graphics problem before installing?

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• Instruct Ubuntu to boot TORAM from flash drive using unetbootin

  - by Goyuix

  I have used UNetbootin to create an installable / live bootable flash drive from Ubuntu 12.04. However that didn't preserve the normal Ubuntu boot menu which allows to me to enter advanced options. It has a custom menu that I can pick from predefined choices like "Install Ubuntu" and "Try Ubuntu without installing". What I would like is to be able to boot from the USB flash drive, but then be able to remove it from the computer once the desktop has loaded. The laptop I would like to use this on does not have a CD/DVD drive. What do I need to modify on the flash drive to add an option to "Try Ubuntu (RAM)" that passes the TORAM=yes parameter to the initrd options? Are their other things I need to touch/change as well? Bonus: I would guess the answer would also allow for other options like acpi=off as well, but if it is different I would appreciate having that answer too.

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• Reboot without sudoer privileges?

  - by Lincoln

  Hi together, I've been trying to get my ubuntu restart without having to edit the sudoers. This has been possible before (in lucid I think) using a dbus command: dbus-send –system –print-reply –dest=org.freedesktop.ConsoleKit /org/freedesktop/ConsoleKit/Manager org.freedesktop.ConsoleKit.Manager.Restart But this gives me an error. Looks like things have changed. In KDE (which I don't use) one has something similar (see this answer) Could anyone show me an alternative way to make my machine reboot from a script (without adjusting rights)

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• How to trick apt dependencies?

  - by FUZxxl

  I want to use Frescobaldi (an editor for Lilypond), but the packaged release of lilypond (2.12.3; lilypond is like TeX for scoresheets) in the official repos is a bit old, since I want to use some brand-new features. So I just cloned their git repo and installed it from there. Now my question is, how can I tell apt, that I satisfied the dependency on lilypond manually, so that it doesn't tries to install another copy?

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• Access a mounted Windows share from the command line

  - by Bryan

  Hello All, I use the "Connect to Server..." option under the "Places" menu to connect to a Windows share in my work environment. When I do so, I can access the Windows share via Nautilus, but I can't figure out how to access the share from the command line without using smbclient. For example, the share isn't mounted under /mnt or /media. Is it possible to access the mounted Windows share from the command line without using smbclient?

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• Black screen on latest Nvidia Cards when starting LightDM/Ubuntu

  - by Luis Alvarado

  Today I installed an Nvidia GT440 on my computer, changing the one that existed there, an Nvidia 9500GT. After changing it I started getting a problem where the screen just went black when loading the lightdm login screen (Where I punt my user and password). The thing is, if I disconnect the VGA cable and connect it again I get to see the lightdm greeter and everything works perfect. The problem is that I have to connect/disconnect every time I reboot the PC. I tried installing the 285.xx drivers. Same problem. I removed the Nvidia drivers installed with Jockey, rebooted, same problem. I install the current 280.xx again, same problem. After all that I installed a fresh install of Ubuntu, selected to install the Nvidia drivers while installing it from the livecd. After booting the same problem appeared. Dmesg does not say anything wrong about it. Same goes for the log from Jockey. What else should I check or what to do to solve it. Just to clarify, this does not happen BEFORE the lightdm greeter appears. Am guessing before the actual use of the video card with X starts with all the 2D/3D stuff that is used in ligthdm and unity. I can use any tty and even see the Ubuntu logo when starting. UPDATE: When I open a game in fullscreen the problem appears again. I have to unplug the monitor cable and plug it back in to see the game. Then when I quit the game I have to do it again to see the desktop. UPDATE 2: Today I bought a HDMI cable, connected the video card to the TV am testing it with and it actually did log in correctly without any black screen but it shows the resolution a little over the actual size of the screen. So I see only half of the launcher since the left side of it is hidden outside of the real resolution and the top bar is beyond the resolution. So the black screen is related to the VGA connection.

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• Picasa 3.9 login fails with 2-factor authentication

  - by Paul Pomes

  I've installed Picasa 3.9 via the instructions at webupd8, however the login window keeps failing with the message, "You must be connected to the Internet to use this feature." If "Try again" is tried I'll successfully pass the first login screen of username and password. Next I'm prompted for the verification code which then takes me back to the "You must be connected to the Internet to use this feature" screen again.

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• nvidia optimus laptops

  - by kellogs

  kellogs@kellogs-K52Jc ~ $ lspci 00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 18) 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 18) 00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06) 00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06) 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06) 00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 06) 00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 06) 00:1c.5 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 6 (rev 06) 00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a6) 00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 06) 00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 4 port SATA AHCI Controller (rev 06) 00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 06) 02:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01) 03:00.0 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 80) 03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 80) 03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 80) 03:00.4 System peripheral: JMicron Technology Corp. xD Host Controller (rev 80) 03:00.5 Ethernet controller: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller (rev 03) ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 05) ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 05) ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 05) ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 05) ff:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 05) ff:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 05) kellogs@kellogs-K52Jc ~ $ inxi -SGx System: Host: kellogs-K52Jc Kernel: 3.5.0-17-generic x86_64 (64 bit, gcc: 4.7.2) Desktop: KDE 4.9.5 (Qt 4.8.3) Distro: Linux Mint 14 Nadia Graphics: Card: Intel Core Processor Integrated Graphics Controller bus-ID: 00:02.0 X.Org: 1.13.0 drivers: intel (unloaded: fbdev,vesa) Resolution: [email protected] GLX Renderer: Mesa DRI Intel Ironlake Mobile GLX Version: 2.1 Mesa 9.0.3 Direct Rendering: Yes Manufacturer advertises the K52Jc model which I bought as optimus enabled. However, no traces of it in the output above. Of course, Bumblebee would not start on this machine. Should I rest assured that is a defective / un-optimused machine ? thanks

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• Hide all normal windows shortcut is not working in Ubuntu 13.10

  - by Vladislav Ivanishin

  Hide all normal windows shortcut is not working. It is currently set to Alt+Ctrl+D. And changing the shortcut doesn't help (tried Super+D, Alt+Esc). However other shortcuts work fine (even from the same Navigation tab). I guess the question is a duplicate of this which is unanswered. Update: It works exactly one time after reboot. I can minimize windows and even bring them back using the combination but only once. Also switching keyboard layout shortcut stopped working, but as I can see it's a known bug.

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• Boot problems w/ External HDD

  - by JeremyT

  I'm having a problem with booting a live image off of a USB Hard Drive. I used Startup Disk Creator to make an Ubuntu 11.10 live image on a partition on my external so that I can use it on various computers. I set it up with ~4GB of persistent data So far I've tried it on two computers. One, a Dell, will boot to my external but it loads the select boot device very slowly. It hangs on a screen with an underscore for up to 5 minutes until it allows me to select which drive I want to boot from. After that, it works great. However, on my primary computer it doesn't work at all. It's an Acer from 2009 and it won't even recognize the drive. I don't see it anywhere in BIOS or the select boot disk list. The light on the external will come on at boot just fine so I know it's powering it at this time. Both computers worked perfectly with my 4GB flash drive that I had partitioned half and half (1st half FAT32 and second Ubuntu 11.10 live)

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• Sound fails when I switch users

  - by Sam

  Sound on my computer was working fine under 12.04 however when I upgraded to 12.10 I have encounter a strange problem where when I switch users instead of the first user having its sound swamped the sound of the first user keep playing and the second user can not play and thing. The sound setting for the second user only show a Dummy Output. If I reboot and log into the second user sound works fine but then if you switch to the first user it has a dummy output instead. What could would cause such a problem?

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• Cannot install ia32-libs on a 64 bit Ubuntu installation

  - by Swarnendu Biswas

  I am using a 64-bit installation of Oneiric. I need to install the ia32-libs package to get some applications (evince, adobe reader) to work. For example, adobe reader is giving the following error: error while loading shared libraries: libGL.so.1: cannot open shared object file: No such file or directory. However, I am not able to install it since it is showing a dependency on ia32-libs-multiarch, which in turn is showing a dependency on gstreamer0.10-plugins-good:i386. This in turn depends on few other packages. How can I install these packages safely and still meet all the dependencies.

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• An application asks to unlock the keyring on startup, but it doesn't say which one

  - by Idan K

  A couple of weeks ago a popup has appeared whenever I startup telling me that an application wants to access the keyring but it doesn't say which one. I'm used to seeing the application name on the popup but here it just says 'application'. I haven't changed any passwords or did anything that might have something to do with that, to my knowledge. I saw this question but like I said, I haven't changed any of my passwords, and I don't want my keyring password to be empty. How can I find out which application is asking to unlock to keyring and fix it?

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• Upgraded to Maverick; can't change theme

  - by Mike Doherty

  Hi, I just upgraded to Maverick, and now I can't change my theme except for the cursor and window border/decoration. I've just reinstalled the themes I want to use (Dust + Dust extra) successfully, and while the window border/decorations change properly when I select them, nothing else changes. The icon set doesn't change; gnome-panel doesn't change. I'm stuck on the fugly fallback theme - the one you see when you do gksudo gedit or something. Halp! -Mike

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• Trying to install Canon LBP7750Cdn driver on Ubuntu 12.04

  - by Gideon

  I'n new to Ubuntu/Linux and had significant difficulties while attempting to configure my printer to work. The automatic driver pairing wizard which Ubuntu uses to identify and install the appropriate drivers did not find my printer's driver. I managed to get it to print when I manually select the generic configuration and checked the PCL6 configuration. However, the printer driver wizard does provide a list of Canon printers and actually do specify my printer as LBP7750C (minus the "dn" at the end, I'm assuming its because duplex ability and networking is not present on all the models - I'm not sure if this could be the source of the problem), but in selecting this option and trying to print I receive this message: Idle - /usr/lib/cups/filter/foomatic-rip failed I searched for this similar problem which other users might have encountered, but while there where plenty of such cases, they all had different resolutions and were all related to HP printers. Canon actually do provide a driver for my printer, but it comes with no installation instructions unless you consider yourself an experienced CUPS guru. Seriously. If anyone can help me solve this foomatic-rip failed problem I'd be really grateful - and I'm sure many other folks too. [BTW, can't Canonical fix this type of thing for the next Ubuntu release? - I't seems like a small problem but it causes many problems and countles hours of production time loss.] Thanks in advance.

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• alt+tab moves windows between workspaces and crashes unity

  - by Ruslanchik

  I have recently been using multiple workspaces in unity but have run into a bug that is making it very difficult to do this effectively. The problem is with alt+tab. When I am focused on a window that is not in the primary (top-left) workspace one of two things happens: Unity restarts (the launcher and menu bar disappear and screen flashes blank before everything reappears) and all of my windows are moved to different workspaces. The focused window is always moved to the primary workspace and other windows are typically moved one workspace to the left. alt+tab will usually function normally after this. Unity completely crashes. The windows in the current workspace are still there, but the launcher and menu bar are gone, I cannot switch between workspaces, and none of the hotkeys work. The same issues occur when using alt+` as well. I have installed ccsm, but have made only minor adjustments with it. I am still using the Unity switcher. I actually uninstalled ccsm hoping that would resolve the issue, but the issue persists. Is there some resolution to this issue? I like Unity and want to keep using it, but having to use the mouse to switch between programs is irritating and enough reason to switch to Gnome.

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• Using shortkeys to search the internet for a term selected in a text editor/viewer

  - by cipricus

  It seems possible (as I learned from a comment to this question made by user55822) to use a command in order to search a term on the web by using "keybinding" the way Aretha is used. What the aforementioned user says is that "you could search mouse selection anywhere by using an app like Artha, or by keybinding sh -c 'firefox "http://translate.google.com/#en/fr/$(xclip -o)"' (example given translate english into french)" A lot of things are obscure for me here. I could use Artha or keybinding (as alternative), or both? How to do that in each case? and "The command I gave you will open google translate in Firefox with your mouse selection (text highlighted) as a query. Use sh -c 'firefox "https://www.google.com/search?q=$(xclip -o)"' if you want regular Google over Google translate. And obviously, that would work everywhere" I do not know what to do with that formula. What should I do exactly? How to use it? In what application?

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• Iptables Issue can't SSH Remote Machines

  - by Lonston

  I want to SSH to 192.168.1.15 Server from my machine, my ip was 192.168.1.99 Source Destination was UP, with IP 192.168.1.15. This is LAN Network there are 30 Machine's Connected to the network and working fine, I'm Playing around the local machine's cos i need to apply the same rules in Production VPS I have applied the below iptables in my machine 192.168.1.99, Now i can't receive any packets from Outside and i can't send any packets Outside, While applying the Below Chain iptables -P INPUT DROP iptables -P OUTPUT DROP iptables -P FORWARD DROP After the above CHAIN i have added the Below rules and it want to allow ssh from machine to 192.168.1.15 to access the 192.164.1.15 but still i can't access 192.168.1.15 iptables -A INPUT -p tcp -i eth0 --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -p tcp -o eth0 --sport 22 -m state --state ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p tcp --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A INPUT -i eth0 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT Any one Please Check Weather my Rules are Wrigt. Still i can't access the machine 15

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• Disabling hardware checking in the start up

  - by sven

  I have a ubuntu (10.04) on my desktop and it doesn't have monitor. I would like to connect the desktop (ubuntu) via teamviewer from my laptop. However, when the PC is powered, pc gives an error about it could not find monitor and it gets stuck in this error and does not continue. Since the ubuntu started correclty, teamviewer doesnt start to work on ubuntu so that I can not connect to the ubuntu. How can I disable hardware/desktop checking at the startup, so that ubuntu would start normally then I can use teamviewer?

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• How can I figure out why Suspend sometimes fails?

  - by Isaac

  Something is causing suspend crash occasionally. When it does crash, the system freezes with a black screen and stays on, not suspending. This makes me have to hold the power button until the system shuts down. One setting difference I have from most people is, I don't use the option that lets you suspend when the laptop lid is closed. So opening and closing the laptop lid has no actions. I like to press suspend manually. Could this preference change be the cause? How can I start looking for what's causing the crash, since the crash doesn't display errors?

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• Can't connect to hidden network with BCM4313

  - by poomerang

  The wireless works fine with all the other wi-fi nets I have tried, the only problem is with this hidden network. I should add it's the only hidden network I've tried, so I am not sure if the problem is it being hidden or somethings else, but I've checked the settings of NetworkManager against another Ubuntu system (which can connect) and they appear to be the same, passphrase included. The network is using WPA2 Personal with AES encryption, I don't know how to check this setting but I believe it's the usual for WPA2, and therefore usually not a problem. Also, I can connect through ethernet, which should exclude any blacklisting of my device, I believe. I usually use brcmsmac drivers, I've tried also STA but the result is the same. I've also tried the suggestion from Unable to connect to hidden SSID with no luck output of lspci -v is 03:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01) Subsystem: Askey Computer Corp. Device 7175 Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at d4000000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: brcmsmac Kernel modules: bcma, brcmsmac

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• Ubuntu not showing complete list of partitions while installing 10.04 and 10.10

  - by Ravi

  I am a total beginner to Ubuntu. I have tried to install Ubuntu on my 320 gb hard disk and am stuck at the partition page. The problem is, Ubuntu is not showing all the partitions. When I run the live CD and try to see all the drives these are not present. I have presently 4 drives, C: 58 GB D: 48 GB E: 87 GB and F: 102 GB. The F: drive is not shown; at the time of installing it does not show any of the drives, just a chunk of 257 GB, hence I am unable to install Ubuntu on my D: drive. On the C: drive, Windows 7 64 bit is installed.

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• How do I get keyboard to write hiragana instead of katakana?

  - by Lisandro

  I added the Japanese Layout in Keyboard preferences, however all the layouts look like being in katakana. I suspect that the key that is left of number 1 (above Tab and under Esc) could be the one to switch from katakana to hiragana however I don't have that key in my keyboard and my other Toshiba laptop does not have it either. I really don't know what to do, I simply want to be able to write in hiragana in Ubuntu. Thanks

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• DHCP-server doesn't start at boot because of wrong startup order

  - by stolsvik

  Apparently the isc-dhcp-server is started too early in the boot sequence, it states that it has nothing to do. If I just log directly in as root and start it using the init.d-script, it starts normally. My setup is basically an utterly standard router, with an eth0 on the inet side, and an eth1 on the lan side. However, I've defined a bridge instead of the eth1 for the lan-side. Thus, the lan-part of the network isn't up until the bridge is up. I currently believe that the dhcp server is brought up before the bridge is brought up, probably because the bridge is brought up with the 'networking' task, while the eth's are taken up with the 'network-interface' tasks - which are run earlier. (also, the bridge takes a small age to get up compared to the eth's). If I do take away the bridge config, instead using eth1 directly for the lan side, things work. (However, judging by syslog, things are still tight.) Ideas of how the get DHCP to start later? (The reason for the bridge, is to be able to use KVM with bridged networking..)

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