Greatest Hits

18
votes
5answers
53k views

Ripping DVD to iso - Accurately

I have been using Brasero to rip my DVD collection to .iso. However, I've discovered some errors in some of the DVDs through playback e.g. VLC player would just stop playing the iso file when a bad ...
70
10
votes
6answers
67k views

scp copy over ssh doesn't work - permission denied error, please?

It's driving me nuts! I just want to transfer one simple file from laptop to server. I'm using ubuntu on both machines. So I have: -rwxr-xr-x 1 sandro 414622 2011-10-14 23:42 ...
71
15
votes
1answer
17k views

Wireless networking not working after resume in Ubuntu 14.04

[Update]: The same problem exists in Kubuntu and is solved in the same manner. [Solved]: By applying the following command nmcli nm I got the following: Before suspend RUNNING STATE ...
14
votes
5answers
64k views

How to make hdd's mount at startup in ubuntu 12.04

How do you make HDDs and partitions mount at startup with the ubuntu system? I always keep my media and data files on separate partitions - one 2tb HDD and a 400 odd gig partition. I have been ...
9
votes
5answers
36k views

Ubuntu 13.04. fail to start after installing nvidia drivers (Vostro laptop)

Everything worked fine in 13.04 Ubuntu but then i installed nvidia-drivers-103 Now it does not load into login screen at all. I see blank purple screen during start-up and then just blank black screen ...
6
votes
2answers
28k views

libc.so.6: version `GLIBC_2.14' not found

Whenever I try to run a program from the terminal (apt-get for example) I get a: apt-get: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.14' not found (required by /usr/lib/libstdc++.so.6) Not ...
12
13
votes
2answers
33k views

How to create a png with transparent background in inkscape?

Is it possible? A PNG is generally less in size than an SVG. Sometimes I need small sized images in sites like Launchpad.
6
votes
3answers
66k views

How do I remove the FGLRX drivers after I've installed them by hand?

I installed ati-driver-installer-11-9-x86.x86_64.run downloaded from the ATI Website. However I installed the generic version instead of building a distribution specific installer. Now I have the ...
18
votes
5answers
27k views

How do I install Copy (file syncing software)?

How can I install Copy on Ubuntu 12.04? I have a .tgz and I don't know what to do next.
33
votes
5answers
47k views

Reverting from Ctrl - Alt - F1

I tried to install an nvidia driver and there was an error saying I must not be in an X terminal when doing so. So I did a Ctrl+Alt+F1. The resulting terminal did not allow the nvidia driver to be ...
16
votes
2answers
18k views

java plugin in Chromium

Icedtea-7-plugin installed but it does not appears in the list in about:plugins in Chromium. Not able to execute java applets. Tried installing Icedtea-7-plugin but in vain. Using openjdk7 in 14.04
28
votes
10answers
36k views

System Monitoring Tools For Ubuntu

I am looking for System Monitoring tools which are GUI and Cli or Web Based which include Basic Functions such as CPU Usage Ram Usage Swap Usage Disk Usage ( Space / I/O ) Heat Monitoring I know ...
8
votes
3answers
74k views

Enable graphics Card in Virtual Box

I recently brought a new laptop with following configuration Intel i5 2450 8 Gb DDR3 RAM Nvidia geforce gtx 520 1 GB card I had setup a Windows 7 virtual machine using VirtualBox. I want to use my ...
9
votes
2answers
51k views

How to uninstall VirtualBox in 12.04?

Can anyone help me removed VirtualBox? By the way, I couldn't install some softwares, is it because it is a 64-bit version?
7
votes
5answers
46k views

How to change root password in ubuntu?

I am trying to change root password in my Ubuntu system. This is what I did: ashot@ashot-desktop:~$ sudo passwd root passwd: Authentication token manipulation error passwd: password unchanged ...
36
votes
4answers
58k views

How to disable strict host key checking in ssh?

I would like to disable strict host key checking in ssh for ubuntu 11.04. How to do it?
75
21
votes
4answers
39k views

How to install an init.d script in ubuntu?

I am trying to install an init.d script, to run celery for scheduling tasks. Here is the steps I followed: copied the file celeryd and pasted it in folder /etc/init.d/ created a configuration file ...
8
votes
2answers
50k views

How to compile C++ source code (“iostream.h not found” error)?

I do not want to discuss about C++ or any programming language!I just want to know what am i doing wrong with linux ubuntu about compiling helloworld.cpp! I am learning C++ so my steps are: open ...
22
votes
6answers
27k views

How to re-enable tray icons for applications in Ubuntu 13.10?

Unfortunately in Ubuntu 13.10 there is no tray icon and whitelisting is removed. The older solutions do not work for me, e.g. I get the message: No such schema 'com.canonical.Unity.Panel' when I try ...
12
votes
8answers
97k views

How to boot Ubuntu from EFI/UEFI?

I installed Ubuntu 11.10 on a newly bought Lenovo ThinkCentre Edge 71 (model: 1577-G3G) with EFI boot enabled. I opted for the Use Entire Disk option. Even though the installation process went without ...
14
votes
2answers
59k views

Bash: ./filename : Cannot execute binary file

I couldn't execute a fortran compiled code in ubuntu 11.10 32 bit. Error message is Bash: ./filename : Cannot execute binary file. I've installed the gcc and gfortran libraries too. Could anyone ...
3
votes
4answers
36k views

How to change ip address in ubuntu desktop through command line

In Ubuntu desktop 13.04 changing /etc/network/interfaces file don't change ip address or convert DHCP to static network interface configuration. after changing the file I tried sudo service ...
35
votes
4answers
63k views

Is my ATI graphics card supported in Ubuntu?

I have an ATI graphics card and I want to know if it is supported and what kind of drivers should I be running to get the best features out of it. Is my card supported in Ubuntu and what drivers will ...
71
13
votes
8answers
75k views

How to mount a new drive on startup

I have recently installed a new hard drive to my Ubuntu 10.0.4 box. I used System -> Administration -> Disk Utils to format the disk (ext4 file type) - but did not create a partition (is this ...
37
1
vote
6answers
44k views

how to reduce size of an image from 130 kb to between 20kb - 50 kb

As per a requirement mentioned here the size of photos submitted should be between 20kb-50kb. I have my scanned photos which have been cropped but the sizes are still ~139 kb. If I reduce the pixels ...
18
votes
5answers
65k views

fsck can't find fsck.ntfs

On several machines that I've upgraded from Natty to Oneiric, I get an error every boot (one for every NTFS partition): Serious errors were found while checking the disk drive for /windows/c. Press ...
66
6
votes
2answers
49k views

How do I mount my Android phone?

I'm puzzled because my phone used to just appear when I plugged it in. It doesn't anymore and The development options are definitely set to allow USB debugging. The phone is charging via USB but ...
27
votes
3answers
84k views

'chmod u+x' versus 'chmod +x'

What is the difference between chmod u+x and just chmod +x? I have seen a ton of tutorials that say to use u+x to make scripts executable. However, the u is not mentioned in the chmod help or ...
15
votes
4answers
63k views

What's the easiest way to mount Windows share as a local folder in home directory?

Via Gnome Nautilus I can easily mount Samba shares from my Ubuntu Server. However, these "mounts" are kinda of fake. Many applications I run do not recognize that Gnome has mounted these server ...
4
votes
1answer
19k views

Cannot connect to wireless in Lubuntu 14.04

I have tried all afternoon to fix this, but now I give up. I am trying to set up an old XP PC with Lubuntu 14.04. It works perfectly fine, except for the wireless connection. Connecting with ethernet ...
6
votes
3answers
41k views

MicroSD card is set to Read-only state. How can I write data on it?

I have a MicroSD card reader in my notebook. When I insert a MicroSD memory card into it, I can't write any data on it - it's read-only. The same thing happens when I try to do it under root. And I ...
2
votes
2answers
40k views

Moving file from folder 1 to folder 2 in terminal

I am trying to move a text file from folder 1 to folder 2 via terminal. I'm doing this for a school project to show what actually happens when you copy paste. I'm doing cp/home/rits/desktop/folder1 ...
8
votes
3answers
31k views

E: Unable to correct problems, you have held broken packages

I am using Ubuntu 13.04 which I installed few days back. I am trying to install nodejs and npm. I tried to install from command line first and then uninstalled it. Then something broke. sudo apt-get ...
12
votes
1answer
52k views

How to get a VPN for ubuntu?

I saw a thing called VPN connections under the Internet button at the top of my screen. So I would like more info on this, and possibly instructions on how to set one up. Thanks!
67
21
votes
2answers
69k views

Proper fstab entry to mount a samba share on boot?

I am a little confused on the proper fstab entry for a samba share in Ubuntu 12.04 I can get the drive to mount manually by using: sudo mount -t cifs //192.168.2.2/raid_drive /mnt/homeserver -o ...
4
votes
3answers
45k views

Unable to boot from a USB drive on Samsung Series 9 notebook

Related Ubuntu 12.04 won't boot on Samsung Series 9 NP900X3A (ssd hard-drive) I'm trying to get rid of Windows but I can't boot from USB because the USB slots on the right (USB 3.0) on ...
64
10
votes
6answers
35k views

Trying to do ssh authentication with key files: server refused our key

I'm trying to setup ssh authentication with key files in stead of username/password. The client is a Windows box running PuTTY and the server is a Ubuntu 12.04 LTS server. I downloaded puttygen.exe ...
6
votes
4answers
56k views

How do I update/install Perl

The Perl package is in /usr/bin and is an older version (5.12.4) and the current stable release appears to be 5.14.2. How do I update this version? Root access is required, and I do not want to ...
65
16
votes
10answers
82k views

Fix corrupt NTFS partition without Windows

MY NTFS Partition has gotten corrupt somehow (it's a relic from the days when I had Windows installed). I'm putting the debug output of fdisk and blkid here. At the same time, any OS is unable to ...
14
votes
2answers
9k views

Hardware Enablement Stack (HWE) out of support

From yesterday my update manager gives me this message: Your current Hardware Enablement Stack (HWE) is going out of support on 07/08/2014. After this date security updates for critical parts ...
29
votes
6answers
65k views

Bash remove first and last characters from a string

I have a string like that: |abcdefg| And i want to get a new string called in someway (like string2) with the original string without the two | at the start and at the end of it so that i will ...
9
votes
1answer
40k views

How do I mount a CIFS share via FSTAB and give full RW to Guest

I want to create a Public folder that has full RW access. The problem with my configuration is that Windows users have no issues as guests (they can RW and Delete), my Ubuntu client can't do the same. ...
1
vote
3answers
19k views

unknown filesystem, grub rescue

When I try to boot I get this message: error: unknown filesystem. grub rescue> _ results of: grub rescue> ls are as follows: (hd0) (hd0,msdos5) (hd0,msdos1) (hd1) (fd0)
64
votes
4answers
51k views

What is Ubuntu Touch (Ubuntu for Phones)

Following up on Canonical's announcement, what is Ubuntu for phones, where can I download a copy of the OS to run on my phone? And how do I know if it's compatible with my phone?
14
votes
5answers
21k views

Anyone has successfully installed CUDA 5.5 on Ubuntu 13.10 64-bit?

I tried to install CUDA 5.5 through deb routine, following the steps in Nvidia website, using the deb file for ubuntu 12.10 (the latest version I could found on Nv website), the installer fail to ...
9
votes
5answers
26k views

Virtualbox not seeing any usb devices in the usb filters settings

I was following this question but found a problem. Use my webcam with Ubuntu running in VirtualBox I used guvcview to test the camera, it works. I installed the 12.04 virtualbox release from their ...
11
votes
4answers
41k views

run python in terminal

Trying to learn how to run my scripts through Ubuntu's terminal regularly. That being said I am familiar with bash, wget, and awk being called but how do I call python files to run in the terminal? ...
60
13
votes
3answers
69k views

Why is /lib/libc.so.6 missing?

find | grep libc.so.6 reveals that it's in /lib/i386-linux-gnu/libc.so.6, but a script I was running expected it to be directly under /lib, so why isn't there at least a symlink? Would I risk ...
33
votes
5answers
42k views

How to list all variables names and their current values?

Including not only $HOME, $PWD etc but any other you have defined.
5
votes
2answers
19k views

Fallback to Gnome classic desktop Ubuntu 14.04

I'm using Ubuntu for a while and experienced many bugs in Unity and also it kills productivity. I recently checked BackTrackR3 release which is built on Gnome2.3. But, unfortunately that is available ...