Codename "Oneiric Ocelot". Released on October 13th, 2011. Superseded by 12.04 "Precise Pangolin" on April 26, 2012. Reached End of Life (EOL) on 9th May, 2013. You should only use this tag if your question is hardware or version-specific.

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136
votes
5answers
158k views

How do I upgrade from 10.04 or 11.10 to 12.04?

I am using Ubuntu 11.10. Please outline the different ways I can upgrade to 12.04.
6
votes
2answers
2k views

Why is wireless down/strange after switching to battery or closing/opening the lid?

I noticed that, when I unplugged my laptop, or closed/opened the lid, my wireless connection dropped, every time. I tracked it down to pm-powersave, and made it stop, see below. This could also ...
12
votes
1answer
18k views

How to downgrade the Kernel on 11.10

Because of the high power usage I'd like to downgrade my kernel in Ubuntu 11.10 to the version used in 10.10 or 11.04. How can I do that and won't it cause any problems?
5
votes
3answers
11k views

How to I fix software center after installing the Linux Mint MATE desktop?

I installed the MATE desktop using this manual but now i can't open my Ubuntu Software Center and can't open the settings from the update manager. I removed mate desktop but it doesn't fix the ...
25
votes
2answers
20k views

Ati incompatible with Gnome-shell?

Gnome shell installed through software centre does not display top toolbar panel properly (missing text and icons), and when one of the icons on it eg user's name is clicked the menu popup has missing ...
2
votes
2answers
3k views

Can't use nvidia card/driver on optimus notebook

I installed (once again) the latest official nvidia driver for my GT540m on Ubuntu 11.10. Even though everything seems OK with my xorg.conf file (I've manually added BusID "PCI:1:0:0", since lspci ...
4
votes
2answers
5k views

How do I get a Canon MG, MP and MX series USB printer working?

Printer MP6150 driver installed itself upon plugging in the printer. Printer is recognized (lsusb shows it) but does not mount. If the printer is recognized, the driver must be working (or?), but ...
21
votes
7answers
15k views

How can I switch a 32-bit installation to a 64-bit one?

I've got a 32-bit Ubuntu installation running on 64-bit hardware. Now that multi-arch has been implemented, I would like to switch to 64-bit without having to reinstall the OS. This is one of the ...
11
votes
2answers
15k views

I can't add a Indicator Applet to Panel in Gnome-Classic

ubuntu 11.10 I recently changed unity for classic Desktop. So, i noticed that the volume control dissappeared. So i read everywhere that the only thing to do is add the Inidicator Applet in the ...
3
votes
2answers
12k views

How do I install Windows 7 alongside a pre-existing Ubuntu installation?

I purchased a PC six months ago for work related tasks. I do 95% of my work on Ubuntu (web development). Now, I want to install Windows on another partition to play a few games on my relax time. Which ...
8
votes
0answers
6k views

Unity 3D doesn't work anymore, just shows a menu on the top [duplicate]

Possible Duplicate: Unity doesn't load, no Launcher, no Dash appears I no longer have Unity 3D in Ubuntu 11.10. After I reinstalled Unity 3D, my desktop looks like this: Any ...
13
votes
3answers
15k views

How do I change the font DPI settings?

I installed Oneiric on a clean system, and found that the font tab is gone from the Appearance settings. This is a problem, because by default the text in Ubuntu is too large. I changed the text from ...
5
votes
1answer
6k views

How do I enable my synaptics trackpad?

When I booted 11.10 from the Install CD, everything worked fine. However, once I installed Ubuntu, my trackpad stopped working - does anyone know why this is so?
11
votes
1answer
3k views

How do I upgrade from 11.04 to 11.10?

I am ready to try Ubuntu 11.10, how do I upgrade to it from 11.04?
13
votes
6answers
12k views

Cannot login to my user account

I upgraded my ubuntu from 11.04 to 11.10 via mounting the latest alternate CD image released on Oct. 13 as the final standard version and running the cdromupgrade prompt successfully, with full latest ...
11
votes
6answers
3k views

Where is “open with…” in Nautilus?

In Ubuntu 11.04 I usually edit my *.fig files by clicking on the icons. The application (script) which opened the file was texfig. This script was chosen by "open with..." in nautilus. But now there ...
6
votes
7answers
2k views

Appearance does not change on switching the theme

If I select Radiance or Ambiance in the menu show in the following picture, my whole theme does not change. It only changes the title bar. How can I resolve this problem? Or how can I reset the ...
8
votes
4answers
19k views

How do I enable compiz in Gnome Classic?

I am running Ubuntu Oneiric 11.10. My understanding is that Gnome Classic is with Compiz effects, and Gnome Classic (No Effects) has no Compiz. However, when i run Gnome Classic, compiz does not ...
6
votes
5answers
14k views

How do I get the Broadcom BCM4313 wireless working on an Asus 1015PX?

I installed Ubuntu 11.10 on my Asus 1015PX which is certified by Canonical. My WiFi is not working. I read about the BCM4313 troubles and tried ...
1
vote
0answers
3k views

Update manager generates 404 error while attempting update. Will not update [duplicate]

Possible Duplicate: How can I fix a 404 Error using a PPA? While running update manager in Ubuntu 11.10 Oneric Ocelot I receive this list of errors. > W:Failed to fetch > ...
17
votes
6answers
13k views

Network manager asks for wireless password continually

Every time I restore my computer from sleep or turn it on a window pops up asking for my wireless password. Once I enter it it connects successfully, but this happens every time. I'm using Ubuntu ...
7
votes
3answers
30k views

How can I enable hardware acceleration for an ATI Radeon HD?

When playing high definition video (720p and 1080p) the CPU reaches 100% and freezes the image at regular intervals. According to the manufacturer this accelerator is capable of hardware acceleration ...
7
votes
3answers
2k views

How to bypass/remove/disable the untrusted package authentication

First the image: then me saying "Say What!!.. How the..What the..??". Basically I am stunned. How can I disable/bypass/remove/explode the option for the untrusted packages not letting me install ...
18
votes
6answers
45k views

Recovering grub after installing windows 7? [duplicate]

Possible Duplicate: How can I repair grub? (How to get Ubuntu back after installing Windows?) I installed windows7 after it crashed and now i am unable to boot ubuntu. ubuntu partitions are ...
14
votes
6answers
12k views

Automatically mount NTFS drive when I login

I use Ubuntu 11.10 and Windows7 dual boot with Ubuntu as my primary OS. Every time I need to access a document I need to mount the respective drive, though this is not at all tiresome, still, is ...
14
votes
2answers
4k views

Rabbit VCS stopped working after upgrade to 11.10

Been using RabbitVCS for months now happily. Then when I updated to Oneric on Monday Rabbit VCS stopped working. It is installed but the right click menu in nautilus is gone and ...
6
votes
7answers
23k views

How to fix error with ATI driver “Error of failed request”?

I installed the fglrx catalyst proprietary driver via this link : http://cisight.com/install-amd-radeon-hd-6470m-and-solve-overheat-on-ubuntu-1110-oneiric/ Running fglrxinfo or glxinfo | grep render ...
6
votes
4answers
17k views

How do I install a driver for an Atheros AR9285?

How to install the driver for Atheros AR9285 in Ubuntu 11.10. Still no package for 11.10 according to this https://help.ubuntu.com/community/WifiDocs/Device/Atheros/AR9285 Here is the output of ...
5
votes
2answers
4k views

RealTek RTL8188CE WiFi adapter doesn't connect reliably [duplicate]

Possible Duplicate: 12.10 x64 - RTL8188CE - Intermittent/Slow Internet Connection I recently bought a new system76 laptop which came pre-installed with Ubuntu 11.10. I've been having ...
10
votes
2answers
4k views

How to get the correct battery status?

At this moment, ever since I installed Ubuntu on this machine, the battery status says: not present. Looking at this answer, however, I find that /proc/acpi/battery/BAT1/info (sometimes its ...
7
votes
0answers
16k views

How do I fix slow wireless on Intel wireless cards? [duplicate]

Possible Duplicate: How to fix slow Wi-Fi on Thinkpads or other machines with Intel wireless cards? After hours of searching the Internet for a solution for extremely slow WiFi connection ...
7
votes
1answer
2k views

How do I tag files with custom emblems in Nautilus?

In every previous version of Ubuntu, I'd just right click the file, hit Properties, then one of the tabs would let me add all the custom icon tags I'd like. It seems to be completely missing in ...
3
votes
10answers
10k views

Screen Brightness not adjustable for Acer Aspire S3

First of all, thank you very much for providing this useful forum. Too bad for me, there is no support for the Acer Aspire S3 yet (just came out in October) Short Description of the Problem: I cannot ...
0
votes
0answers
10k views

How to install Oracle 11g? [duplicate]

Possible Duplicate: How can I install Oracle 11g R2 in Ubuntu 12.04 LTS? Question: I'm trying to install oracle 11g on Ubuntu 11.10. I got pretty far, using these 3 tutorials: ...
11
votes
4answers
38k views

How to set Windows bootloader as default bootloader?

I have a Win 7/11.10 dual boot system with Grub 2 as the default bootloader. However, I want to make Windows bootloader the default bootloader (grub 'dos' like interface scrares the hell out of my ...
8
votes
3answers
20k views

How can I configure proxy authentication?

The Ubuntu 11.10 has only simple proxy configuration. Where is the authentication option? so it can be used to download packages?
6
votes
1answer
1k views

Only 3.2 Gb of memory being used on a 64-bit system

I have ubuntu 11.10 64 bit: Linux 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:56:25 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux I have installed 4 Gb of RAM: $ sudo dmidecode --type 17 | grep -E ...
3
votes
4answers
1k views

Why don't I have the option ''Install Ubuntu alongside with them''

Why dont I have this option? here are my disk sudo fdisk -l Disk /dev/sda: 640.1 GB, 640135028736 bytes 255 heads, 63 sectors/track, 77825 cylinders, total 1250263728 sectors Units = sectors of 1 ...
2
votes
2answers
1k views

ALPS touchpad on DELL Inspiron I15RN-3647BK with Ubuntu 11.10 x64

I can't make work the multitouch of the ALPS touchpad in my Dell Inspiron I15RN-3647BK with Ubuntu 11.10 x64, kernel 3.0.0-17-generic... I have tried with this driver but it doesn't work ...
2
votes
1answer
7k views

Gnome Shell Extension Empty

Here is the situation. Changed unity shell to gnome shell. Installed the gnome tweak tool, installed the shell extension, themes, etc...everything i normally need to do that is installed When i go to ...
3
votes
3answers
3k views

Upgrading my Wubi 11.04 to 11.10

I want to upgrade my current Wubi installation (Ubuntu 11.04) to Ubuntu 11.10. Is this possible to do inside Wubi? Or do I have delete Wubi from Windows, therefore deleting my current Ubuntu ...
2
votes
1answer
1k views

How to change GTK+ theme?

I am new in ubuntu, i have installed a large set of themes in ubuntu, i have also installed advanced-system-settings but when i want to change theme in advaced system settings , themes are not in drop ...
12
votes
10answers
7k views

How to get a stable WLAN-connection with a Lenovo x121e?

I have permament problem when using WLAN with my Lenovo ThinkPad x121e. The wireless network adapter in use is this one: lspci: 01:00.0 Network controller: Realtek Semiconductor Co., Ltd. ...
9
votes
3answers
8k views

Make Network Manager restart after dropped connection?

Using Ubuntu 11.10 (Unity 3D) and a cable (DSL) internet connection with no router or modem. If I disconnect my internet connection, I can just reconnect by clicking on the network manager icon and ...
31
votes
3answers
29k views

Differences between the 2 FGLRX graphics drivers

I currently installed Ubuntu 11.10 and when I am prompted to install Additional Drivers, I get confused on which to use between the 2 FGLRX graphics drivers: ATI/AMD proprietary FGLRX graphics ...
9
votes
6answers
9k views

Brightness not working after installing NVIDIA driver

I recently installed Ubuntu 11.10 on my Mac Book Pro 7,1. I installed the NVIDIA driver (285). The brightness keys are working (F1 and F2) and I get the box showing the brightness but it does nothing. ...
9
votes
3answers
21k views

How to change the monitor's refresh rate?

How do I change the monitor's refresh rate in Oneiric? There is no option to do it in the Displays dialog now. By default it's 60Hz, but I need 75Hz on my monitor. In previous releases there used ...
5
votes
1answer
4k views

Play sound through two or more outputs/devices

I think this is a pretty simple concept. I have one sound card and one pair of bluetooth headphones. I want to play my audio through both my sound card and my bluetooth headphones. I believe ...
4
votes
1answer
4k views

How do I install and select cursor themes?

I'm new to this amazing OS (Ubuntu 11.10) and I've been changing a lot of things and experimenting (it's fun you know). But I don't know how to install cursor themes. Can I install this? ...
15
votes
4answers
23k views

Where are the LXDE sound preferences?

I'm confused,how can I change the sound output in LXDE? There's not even a single option anywhere unlike other environments. I've tried doing anything with alsamixerbut still nothing, the output ...

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