Ubuntu is a Linux distribution with an emphasis on ease of use and installation. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

learn more… | top users | synonyms (1)

0
votes
0answers
52 views

Unable to write to hdd formatted in anything other ext2,3,4

I am unable to write to my HDD mounted on Ubuntu server 12.04 that are formatted to NTFS or FAT32. However when I format to EXT and Mount as auto its able to write. I tried chmod and chown but the ...
1
vote
1answer
36 views

Where should my authorized_keys file be if I want to ssh to `localhost`?

I have my public / private key setup, but I don't know where it should go. Should both these files be placed in ~/.ssh/ for my user?
3
votes
1answer
2k views

Keyboard layout changed. How and why?

Yesterday, I upgraded my kernel (to 3.5.0-19-generic), rebooted, and had to reinstall my video drivers to get full resolution. (After upgrading the kernel, the resolution always goes to 640x480, until ...
0
votes
1answer
81 views

Ubuntu live CD keeps on going back to the choice screen

I had Ubuntu installed before, but then I decided to switch to Windows 7. I deleted all of the partitions and formatted the drive (via the Windows installation disk). Windows works fine, but now I ...
0
votes
1answer
119 views

SSH Pub Key Login without Password

I am configuring an SSH Server on Ubuntu 14.04.1 Server Edition. The goal is to use public key authentication only and only permit certain usernames. My public and private keys are created and a ...
0
votes
3answers
1k views

apache not starting in vagrant vm

I used Puphpet.com to create a Vagrant VM to be used for web development. The problem I am having is that the VM cannot start apache on boot. $ sudo /etc/init.d/apache2 start * Starting web server ...
16
votes
3answers
1k views

How to prevent shutdown when an SSH user is logged in?

I'm administrating a networked environment and I had an interesting situation arise yesterday. When a host is required to shutdown by a regular user, it refuses to do so if other users are logged in ...
0
votes
1answer
35 views

mount command over existing drive, then deleted

So I had a directory sitting on /dev/sdb1 I umounted the drive, moved the backup to sdc1 and restarted the server, still can't see the files...
0
votes
0answers
151 views

failure joining samba AD domain over a slow connection: NT_STATUS_IO_TIMEOUT

Running Ubuntu with Samba 4 (Zentyal 3.5) Trying to join a new ADC (additional domain controller) to an existing PDC. Unfortunately I am getting an error, and I THINK the error might be caused by ...
2
votes
0answers
146 views

Can't install Ubuntu because pc keeps shutting down

I can't install Ubuntu because during the "copying files" my PC powers off. I've downloaded Ubuntu 14.04 with WUBI on my Windows 8.1 32-bit PC. I made a new partition with 15.9GB, (I don't know if I ...
5
votes
1answer
235 views

How can I find a Ubuntu package to use with Amazon EC2?

I'm looking to set up a new server on Amazon's EC2 and I wanted to use Ubuntu 11.04 is it is fairly new but not too new. I previously used 10.10 which I think is also very stable and time-tested. My ...
1
vote
2answers
1k views

apt-get : no installation candidate for libxul-dev

When I'm installing libxul-dev I end with this error message: $ sudo apt-get install libxul-dev Reading package lists... Done Building dependency tree Reading state information... Done Package ...
3
votes
1answer
458 views

Why does Ubuntu recommend download the 32-bit version?

Why does Ubuntu recommend download the 32-bit version? On their 32bit_and_64bit Page they even say Unless you have specific reasons to choose 32-bit, we recommend 64-bit to utilise the full capacity ...
2
votes
0answers
3k views

Touchpad not recognized on linux (ASUS R751LB)

I have just bought a brand new laptop. Unfortunately, touchpad doesn't work on any linux distribution (tried mint Ubuntu 12.04, Ubuntu 14.04, Mint 14, Mint 16, also Mint 16 with recent 3.13.5 kernel). ...
3
votes
1answer
65 views

Configuration error: Iberty library not found

I am trying to install BAP: Binary Analysis Platform in ubuntu 14.04. I am getting this error: configure: error: Iberty library not found". Can anybody help me regarding this error?
5
votes
5answers
9k views

How do I update bash on EOL Ubuntu versions?

I.e. can I find a close enough package in the next nearest distro? Or is it complicated, and compiling from source is better? Or can I grab it from debian? (This question is about at least Ubuntu ...
0
votes
2answers
494 views

Installing Ubuntu 14.04--Grub Rescue Error after failing to turn off secure boot [SOLVED]

I am not able to start the operating system. Whenever I try to start the operating system it shows the following error: file /boot/grub/i386-pc/normal.mod not found Entering rescue mode... grub ...
0
votes
3answers
81 views

How do I configure my Linux computer to provide Internet to a FreeBSD computer via Ethernet port?

I have FreeBSD computer to which I want to provide with an Internet connection via the Ethernet port. I bought a single board computer (SBC Wangboard DUAL) onto which I have installed Ubuntu. I ...
14
votes
3answers
57k views

“Input/output error” when accessing a directory

I want to list and remove the content of a directory on a removable hard drive. But I have experienced "Input/output error": $ rm pic -R rm: cannot remove `pic/60.jpg': Input/output error rm: cannot ...
3
votes
3answers
533 views

How do I determine whether my services are using runit or init?

How do I determine whether my services are using runit or init? I use Ubuntu 10.0.4. Such as nginx, chef, puppet, etc.
9
votes
4answers
17k views

Ubuntu 12.04 hotspot wifi network not visible to Android 4.1.2

I'm running Ubuntu 12.04 LTS on my notebook, and I've got a Motorola Razr which I updated to Android 4.1.2. Before updating, I connected my smartphone to my hotspot wifi very quickly, but after the ...
1
vote
0answers
19 views

Avoid -dbg_version packages on apt-cacher-ng server

We have created a apt-cacher-ng server to provide cached packages to our users that have Ubuntu 14.04 installed. Combined with the cached packages, we are doing a weekly "mirror" of some Ubuntu ...
0
votes
1answer
49 views

Ubuntu - Error Coping Folders with a Space at the end of the Folder Error [closed]

Hello Mighty Keyboard warriors. I have a problem that is kinda of killing me. The Situation: vsftpd server with the Following config File (http://pastebin.com/8AVZ9WGK) home/user with default ...
0
votes
0answers
11 views

How to see mounting files in target for iscsi?

I am doing iscsi target and initiator, I was mounted files in initiator side using target disk(LUN), so how to see the file or folder in target side?
0
votes
2answers
130 views

Access USB drive on Ubuntu server

I'm currently using a Ubuntu 14.04 server with command line access only. My .html files are on my Windows and I want to transfer them. What is the path in my Ubuntu server to get into my external ...
1
vote
5answers
2k views

Is there some default password for a new user in Linux

I am a Windows user gradually moving towards Linux. In windows we have an option of either having or not having some password for an user.Once we do not put a password we can directly log in to the ...
-1
votes
5answers
5k views

how to enable root user in linux(Ubuntu)?

In Linux (Ubuntu),I am going through with a lot of problems. In ubuntu, I haven't got any root user. So, I have to apply sudo bash at every Instance. I just want to create a root user, from which I ...
1
vote
2answers
135 views

How to uninstall all related packages to a specific one? / Ubuntu

Recently I asked to my hosting provider to reload the OS to Ubuntu 12.04 64 bit minimal assuming minimal would have the minimum required packages installed, but I realized that mysql was installed so, ...
0
votes
1answer
106 views

dpkg cannot find ldconfig/start-stop-daemon in the PATH variable

I was trying to install bsd-mailx utility the package got installed however I am wondering about the error. This is the error I get: Preconfiguring packages ... dpkg: warning: 'ldconfig' not found ...
2
votes
1answer
4k views

Every package “has no installation candidate”

While attempting to install openssh-server on Ubuntu 14.04 64-bit, I get the following error: Package openssh-server is not available but is referred to by another package. This may mean that the ...
1
vote
3answers
9k views

No targets specified and no makefile found. Stop. Makefile ubuntu

When I execute the command sudo make I get this error: No targets specified and no makefile found. Stop.
2
votes
0answers
34 views

what is the command to synchronize samba4 ADC -> PDC

I have another question on here that is almost exactly the same, but it had a lot more details and kind of went off track (and I never got my answer). So I'm trying again. I know that this command ...
2
votes
1answer
44 views

Installing Fedora with windows 8

I have a laptop with windows 8 and I installed Ubuntu and it is now dual booted. I want to replace the Ubuntu with fedora. When creating the partitioning the fedora gives me error : For a UEFI ...
3
votes
3answers
3k views

RAID5 recovery trying with “mdadm --create … missing”

First how I got in this situation: I had an RAID5 array with disks each 2TB (external USB-disks), I then wanted to create a larger encrypted array. Therefore I got 2 additional disks (also 2 TB each) ...
0
votes
0answers
56 views

Google Play Music media keys not working 14.04?

Whenever I try pause or next/previous on Ubuntu 14.04 or Ubuntu Gnome 14.04, nothing happens. No other music apps are open, and I have it set to global in Chrome. What should I do?
-1
votes
1answer
50 views

Focusing the Current Window & Minimizing All of the Others

Is there a way to focus the current window and minimize all of the others through the command line? For example, if the active window is Chrome, then if I execute this command, it will minimize all ...
0
votes
0answers
10 views

Hiding all Normal Windows in Command Line [duplicate]

Is there a way -- from the terminal -- to hide all normal windows (I'm using ubuntu)? In particular, I'm looking for the equivalent Windows + D. That is, if you execute the command once, then all of ...
3
votes
0answers
57 views

Tons of unknown connections in nethogs

I am seeing hundreds of different connections to the same ip and port scrolling by when running nethogs. Occasionally the foreign IP and port will change (not always 80, but sometimes). I've noticed ...
0
votes
1answer
313 views

Anti Aliased Fonts with NoMachine NX

I am running nx server on a headless ubuntu server. Its desktop is to Unix -> Custom -> Emacs which gives me an Emacs window on the local machine. The only thing that does not work as expected is the ...
2
votes
0answers
60 views

Explanation of the building process of the kernel on Ubuntu/Debian systems

I'm getting into Linux kernel programming and I have successfully built my own kernel several times now. However, I have done it using step by step guides found from the internet and I don't really ...
-1
votes
1answer
103 views

Is there a tablet for programming in the market today? [closed]

I need a tablet that could do Python (CPython), Java, C, C++ (also embedding) programming. So suppose that I would use android arm tablet for that and install Ubuntu on it. What I don't know would I ...
1
vote
2answers
272 views

Using only 3.3GB but I have 8GB RAM even on Ubuntu 14.04 64bit

I have 2x 4GB(8GB) RAM installed on my motherboard and BIOS/UEFI can confirm it, but on Ubuntu 14.04 64bit only has 3424776kB or 3.266120911GB. uname -a returns: 3.13.0-36-generic #63-Ubuntu SMP Wed ...
2
votes
1answer
76 views

Why doesn't Ctrl+R do anything in Ubuntu's terminal? [closed]

The keystroke Ctrl+R is important to me because it's the redo command in vim. However, it seems to do nothing at all in Ubuntu's terminal. When I press Ctrl+V and then Ctrl+R, nothing is registered at ...
0
votes
1answer
69 views

Uninstall application under /opt?

I have uninstalled acroread 9.5.5-1precise1 in software center, but those under /opt/Adobe/Reader9 seem intact: /opt/Adobe/Reader9$ ls * bin: acroread Browser: HowTo install_browser_plugin ...
5
votes
1answer
208 views

How to write/edit/update the OsIndications efi variable from command line?

In the need to enter the UEFI firmware setup utility while using ultra fast boot (keyboard drivers are not loaded during POST), I wish to write to the "Os Indications" efi variable. My OS is Ubuntu ...
1
vote
2answers
512 views

Problem installing Okular from ppa under Ubuntu

Under Ubuntu 12.04, I installed Okular from a ppa. After I installed it, I ran into the following problem of opening a PDF file: $ okular my.pdf Got bus address: ...
0
votes
0answers
65 views

unable to boot after installation : freeBSD

I have Ubuntu installed in my system. I just installed FreeBSD 10.0 in to my system. Here is the screenshot of GParted.     Where /dev/sda1 is where my Ubuntu is installed, and ...
2
votes
1answer
321 views

My cloud server came with PermitRootLogin without-password, is it normal?

I was just wondering if it is normal that in the Ubuntu 14 provided by my cloud hosting company,there is this configuration in the file /etc/ssh/sshd_config : PermitRootLogin without-password ...
1
vote
3answers
142 views

Listing nameservers in Ubuntu 14.04 without NetworkManager

In Ubunutu 14.04, I want to list the nameservers the machine is using. Normally I would use nm-tool to list them, but it appears NetworkManager doesn't run when no user is logged in via the GUI, and I ...
0
votes
0answers
870 views

Nvidia driver not working on latest kernel (3.17) and Ubuntu 14.04

I'm pretty new to kernel hacking. However, I have built my own kernel before (3.16) and it works. Now I tried upgrading to the latest kernel (3.17-rc7). I configure the kernel using the config file ...