Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Only use this tag if your question is version-specific.

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CA file disappeared after upgrade packages in 12.04

I have a CA file usr/share/ca-certificates/mozilla/Entrust.net_Secure_Server_CA.crt on servers that is still not upgraded. When I run apt-get upgrade the following file disappear and curl is ...
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1answer
9 views

how to install wine on exagear ubuntu 12.04lts

hi im having hard times installing wine on ubuntu 12.04lts in exagear guest shell does anyone know how to install it. it says something about the bindery and to check the guide someone help.
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0answers
15 views

How to quit multiple tmux windows which are in a single window? [on hold]

Please help me to exit from 2 tmux terminal windows by saving whatever I'm working on.
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2answers
26 views

Ubuntu server GUI without internet

I'm new to linux but I know about the startx command which is not working. I just installed Ubuntu Server (the newest version) on a old computer. I have it working but I am unable to launch the gui. I ...
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0answers
27 views
+50

How do install Ubuntu on a netbook with a 32-bit atom processor?

I'm trying to install Ubuntu onto an old Dell Inspiron Mini 10, which still has its "Designed for Microsoft Windows XP" sticker on the front. :) The trouble is the normal installer isn't working at ...
1
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0answers
21 views

Ubuntu 12.04 server - How to interpret this syslog entries about eth0 interface?

I am getting in my Ubuntu 12.04 server the following errors in syslog/dmesg. Recently the server became multiple times slow in network and causing at time hung application and many errors with ...
0
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0answers
16 views

How to remove this error “ERR_CONNECTION_REFUSE”?

I have this error on some sites "http" for the most part I'm on Ubuntu. It is the same with other browsers (but not last error pages do not load). I have tried to "Reset browser settings," and clear ...
0
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2answers
37 views

Ubuntu and Eclipse can not find the latest java version

I have an Ubuntu on VirtualBox and I just installed an Eclipse. When I tried to start Eclipse, Eclipse claimed "Version 1.6.0_35 of the JVM is not suitable for this product. Version: 1.7 or greater is ...
2
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1answer
9 views

Is Ubuntu LVM a RAID?

I had a 4 disk LAMP system running Ubuntu 10 then upgraded to 12. The drives are managed by LVM since initial setup. Recently, one of the drive failed (the newest and largest of course, 3TB). I sent ...
2
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0answers
4 views

How can I transfer music files from Rythymbox to my mp3 player (gpx)

How can I sync my music on Rhythmbox to transfer to my mp3 player? gpx to be specific..
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2answers
279 views

what does /var/lib/update-rc.d/xxx for?

I find there are some files in /var/lib/update-rc.d/, such as: $ more /var/lib/update-rc.d/exim4 update-rc.d exim4 defaults the only content is a update-rc.d command add service to default level. ...
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0answers
10 views

How to install 'Doxie go' scanner in Ubuntu 12.04?

There is no Linux version driver for Doxie go scanner by Manufacturer. Whether driver is available by other developers for Ubuntu 12.04? Simple scan didn't recognize the scanner. Works well with ...
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0answers
10 views

Gnome classic taskbar doesnt work propperly on selecting program

Im using Ubuntu 12.04 with the gnome classic extension. If i want to change to another window, i click the symbol on the taskbar on the bottom of the screen. Now i observerd this behaviour: If i ...
0
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0answers
41 views

Ubuntu windows content are not refreshing

I recently upgraded the video card on my computer (from Intel HD Graphics to some ATI Radeon card) ton my Ubuntu 12.04. However, there appears that some windows that I open in GNOME Session Fallback ...
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0answers
92 views

Teracom 3G T3G72A USB Modem is unable to connect to internet

Ubuntu 12.04 is able to detect Teracom 3G USB Modem (T3G72A) and NetworkManager also enables Mobile Broadband but when I click network connection it is unable to connect to internet. Any pointers ...
7
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1answer
7k views

How to update Mozilla Firefox web browser on 64-bit Ubuntu 12.04 LTS in a safe, secure, reliable, efficient and easiest way?

I'm using 64-bit Ubuntu 12.04 LTS on my machine. Currently, I'm using Mozilla Firefox 33.0(Mozilla Firefox for Ubuntu canonical - 1.0) I'm not getting update option in menu Hrml->About Firefox but ...
-1
votes
0answers
17 views

How to set the display as default option instead of cancel

I wrote lots of information files with gedit and save them as a .R file. The only reason for this file type is for the colour display and make those file more readable. of course, I use R project to ...
-1
votes
0answers
55 views

Installing Windows after Ubuntu

I have a new laptop(it has no cd drive) with Ubuntu installed and would like to have Windows installed now as dual boot. I would like to know whether it is possible to do the same. Or do I have to ...
0
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1answer
78 views

What is the diference between a normal boot and resume option after a recovery boot?

I have an Ubuntu 12.04.5 server machine that hangs on boot, but if I choose recovery mode and then resume, everything's ok. Any clue?!
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0answers
148 views

Skype on my laptop not working

Skype on my Ubuntu laptop is not working. It is signing in, then a small window comes up, then closes, and it crashes every time. Output of uname -a: Linux Vostro-2520 3.2.0-32-generic #51-Ubuntu ...
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0answers
205 views

When will the update from 12.04 to 14.04.01 be available through update manager?

Does anyone know when the update from 12.04 to 14.04.01 be available through update manager? Or is it already available?
-1
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0answers
2k views

Sub-process /usr/bin/dpkg returned an error code (100)

i m unable to install or remove any packages ,it shows error like that for that i research like mkdir /tmp/dpkg cd /tmp/dpkg wget ...
5
votes
2answers
4k views

Broadcom card-reader BCM57765/BCM57785 doesn't work on ubuntu `12.04 LTS

I'm having a hard time with this one. I have an ACER ASPIRE ONE 756 and installed Ubuntu 12.04 LTS on it. Everything works (with a little tweaking here and there), but unfortunately the build-in ...
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2answers
4k views

how do I config a Foscam FI9821W IP camera on Firefox

I'm running Ubuntu 12.04 and Firefox. I've got a Foscam FI9821W IP camera and I'm trying to get live video on Firefox. Then I want to add to zoneminder. I opened the IPCam Client page and downloaded ...
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4answers
219 views

I cannot wirelessly connect my HP Pavillion DV6000 to the Internet

I am trying to connect my laptop to the Internet, I have an Internet cable attached and I select "additional drivers" from the system settings as I have read elsewhere. I get 2 drivers to install, one ...
16
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1answer
9k views

Laptop with a touchscreen: How to configure specific screen gestures in 12.04

I got nice laptop with a touchscreen (HP Envy TM m7). It came pre-installed with Windows 8 and I promptly put Ubuntu on it. Due to some issues, 13.04 wouldn't work so I went with the 12.04.02 LTS ...
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0answers
838 views

Analog audio recognized by ALSA, but not by PulseAudio

I'm running Ubuntu 12.04 on Zotac ID84 sudo aplay -l: card 0: Intel [HDA Intel], device 0: ALC892 Analog [ALC892 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Intel [HDA Intel], ...
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0answers
3k views

Ubuntu 13.04 no bluetooth adapter found [on hold]

After running smoothly since last distro upgrade I suddenly lost my ability to connect to my bluetooth hub (Logitech). After I remotly tried to shutdown the computer which failed i got back home ...
1
vote
1answer
1k views

Wifi is connected but internet not working?

I have a lenovo x230 running ubuntu 12.04lts. I've been using it just fine for a while, but all of a sudden the internet's stopped working. It's connected to the router just fine (I can see the ...
4
votes
2answers
7k views

error “fatal error: linux/smp_lock.h: No such file or directory” during installation of VMWare tools on Ubuntu 12.04.2

I have Ubuntu 12.04.2 LTS installed on a VMware machine on Windows 7 host. I seem to have a problem with Kernel headers when trying to install them I did: sudo apt-get install gcc make ...
5
votes
4answers
42k views

Damaged SD card (badly unmounted?) How to fix?

First Off I'm using Ubuntu 12.04 on a laptop with a built in card reader. I have a sandisk 8Gig micro sd card that came with my HTC Desire HD phone. Unfortunately I had mounted it to a windows ...
13
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7answers
33k views

Apache fails to start, Address already in use (but not really)

I'm trying to set up a VM running Ubuntu 12.04. I have two virtual hosts configured using port 80, but Apache will not start. I get this error: (98) Address already in use: make_sock: could ...
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2answers
2k views

feh alternative that reproduce .gif

I love feh to classify my image collections, I've set the actions to move the current image to a certain directory, the problem comes when trying to open gifs, feh doesn't animate them. Therefore I ...
3
votes
1answer
2k views

Stop Google Chrome being the default browser in Lubuntu 12.04 [duplicate]

Possible Duplicate: How to set the Default Browser from the Command Line? Due to an issue presented here I was inclined to use Google Chrome instead of Chromium. I have set Firefox as the ...
1
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1answer
11k views

Why do I get a “file too big” error when I transfer files to an external hard drive that has plenty of room?

I am digitizing my video collection and want to put it on an external hard drive. It is a 1TB Western Digital HD. The files are all over 5GB as I am ripping the files with Handbrake and at a very high ...
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3answers
5k views

Share files - Ubuntu 12.04 and Windows 7 - one network - password not accepted

I ask this question in SuperUser but no one helps me. I hope to get more attention here. I have three computers connected in one network by modem. I want to share files in this network in the most ...
15
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3answers
8k views

How do I make Geany my default editor on Ubuntu?

I actually want to change the default text editor on my Ubuntu 12.04 from nano to Geany. When I used this code: update-alternatives --config editor .. I don't see Geany in the list. So to add ...
5
votes
1answer
11k views

Error: invalid environment block. Press any key to continue

Error: invalid environment block. Press any key to continue... The error message appears immediately after the boot screen on purple background. Ubuntu 12.04.1 LTS.
3
votes
1answer
4k views

Impossible to enable bluetooth on an Acer Aspire One 756-877

I just installed 12.04 (dual-boot, kept Windows just in case) on my new Acer Aspire One 756-877. As soon as I installed it, I also installed the Broadcom driver, since Wi-Fi wasn't working, and that ...
1
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1answer
5k views

USB modem could not mount on 12.04

I have a usb wimax modem. If I connect it at ubuntu 10.04 it has been detected and mounted as cd see here. From there I got that it is "iso96660" type and device location is /dev/sr1. But when I ...
2
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1answer
8k views

Do additional language packs need to be downloaded?

I'm installing Ubuntu (12.04) right now. I wanted to know if additional language packs have to be downloaded because my Internet is very slow. I chose English as my language.
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3answers
19k views

How can one disable shortcuts of chrome?

Have you observed that google-chrome has approximately 29 shortcuts. ( ctrl-A...Z ) I really hate these things. Anyway, my questions: How can I disable some of the shortcuts ? Are there any files ...
0
votes
2answers
16k views

Unity launcher doesn't appear in VNC session

I'd like to have a unity desktop accessible via VNC on a precise server machine I have running. I installed the ubuntu-desktop package. I'm launching a VNC session with the following in my ...
6
votes
2answers
12k views

Step-by-step to run a midi keyboard input device? 12.04

I have a Korg Nanokey, and I'd like to make it produce sound in ubuntu. I've read that means I should be using Rosegarden, and that Rosegarden uses JACK, but does not install it. (Although checking ...
32
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3answers
42k views

How to keep apache and mysql from starting automatically

Is there a way to make apache and mysql not run automatically on startup? Currently, whenever I boot my machine, they start automatically and run in the background. I am using Ubuntu 12.04.
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6answers
34k views

How to change the time for OS selection menu in GRUB?

I have Windows 7 and Ubuntu 12.04 in my system and i saw that the default time for os selection menu is only 10 sec, as i am new to Linux can anyone tell me how to increase this time?
12
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3answers
14k views

DNS server address no longer stored in resolv.conf; where is it now?

I sometimes switch DNS servers, using the NetworkManager indicator in the taskbar; this worked fine with previous versions, and actually works fine with 12.04, too, except for one thing: I use Conky ...
2
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4answers
15k views

Video playing is slow on 12.04

I started using Ubuntu a very short time ago, and it was working perfectly! I upgraded to 12.04 yesterday, and today I realize that everything is running slow. For example, video streaming online, ...
11
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7answers
10k views

Failed to install bootloader

I am trying to install Ubuntu 12.04 by creating a USB Boot Disk. I am using a 500 GB External Hard-drive ("Elements"). I get through the first part of using the start-up disk creator. I select ...
18
votes
11answers
63k views

How do I hide the GRUB menu showing up in the beginning of boot?

I stopped Dualbooting and I dont want to have to choose the OS anymore and just have it load Ubuntu like normal like before? Any help is appreciated.