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.

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How to test new kernel releases ?

I am using ubuntu 14.04 with linux kernel 3.13.0-37-generic . I know that the latest stable release of the kernel is 3.17.01 and want to test it. Can I test it on my system without blowing away my ...
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1answer
51 views

Resize of VirtualBox Screen?

I've recently installed the Guest Additions CD on my windows VirtualBox running Ubuntu 14.04. It was working great for a while - screen resized automatically, etc. However, when I turned off my host ...
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1answer
48 views

.xsession and .xinitrc not executed at login

This is the content of my ~/.xsession: #!/bin/bash # Tray for skype, keyboard layout, ... trayer --edge top --align right --SetDockType true --SetPartialStrut true --expand true --width 10 ...
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1answer
37 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?
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1answer
124 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 ...
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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...
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163 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 ...
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2answers
487 views

Intel HD 4600 graphics card not supported in Linux Mint 17

I have just installed Linux Mint 17 on my desktop computer with a Intel HD 4600 graphics card. Unfortunately it only supports a low resolution of 1920 x 1200 which looks horrible in contrast to the ...
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2answers
516 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 ...
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1answer
67 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?
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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 ...
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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?
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2answers
141 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 ...
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2answers
136 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, ...
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1answer
116 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 ...
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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 ...
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0answers
35 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 ...
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1answer
45 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 ...
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70 views

Problem in Ubuntu 14.04 monospace font

Up to recently, I was using normal fonts. But suddenly my fonts for code became weirder. I don't know what happened. My font for monospace is set to Ubuntu Mono. I tried setting it to Courier with no ...
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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?
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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 ...
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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 ...
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0answers
58 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 ...
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0answers
61 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 ...
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1answer
104 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 ...
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1answer
70 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 ...
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1answer
343 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 ...
2
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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 ...
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0answers
883 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 ...
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2answers
283 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 ...
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1answer
273 views

Commands for successful domain controller replication on Ubuntu / Samba4 / Zentyal

I have a Primary Domain Controller (PDC) and an Additional Domain Controller (ADC) running on two different machines at two different locations connected via a VPN. Both are running a version of ...
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1answer
227 views

Does Linux support the ThinkPad Helix 2?

I'm holding out for the ThinkPad Helix 2, which has a detachable tablet as a screen. It comes out later this month. I've heard that installing Linux on bleeding edge technology can be problematic ...
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52 views

How to improve the framerate of XCOM in Ubuntu?

I am currently trying to run XCOM: Enemy Unknown/Enemy Within on Ubuntu 14.04 with an nvidia GeForce GTX 260 graphics card. After some searching of the web, other nvidia users have also been having ...
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3answers
154 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 ...
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0answers
67 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 ...
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123 views

BeagleBone Black doesn't connect via Ethernet on laptop

I have a BeagleBone Black board connected to my laptop with only a serial connection and the Ethernet cable, and powered by the 5mm jack. The serial connection works fine, I can login at any time, but ...
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0answers
29 views

Xenomai: binding failed: Cannot allocate memory

I installed and configurated xenomai using this guide. There are some examples under xenomai2.6/examples/rtdm/driver-api. To add rtdm module to kernel, I added my gid using below command echo "1000" ...
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1answer
170 views

Must issue a STARTTLS command first, even with it in main.cf

This is my first time setting up a linux server and I can't seem to get the email to work. Anytime I try to telnet and do the "mail from" command I get "540 5.7.0 Must issue a STARTTLS command first" ...
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5answers
166 views

How to allow authentication with `sudo` using an alternate password?

I have been given a long password by my company for my Ubuntu system. This password is cumbersome to enter when authenticating with sudo repeatedly. Can I authenticate with sudo using a password ...
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0answers
53 views

pptp and openvpn clients dhcp from server

I would like the following: Ubuntu server with PPTP server and OpenVPN server and a DHCP server Ubuntu clients all with the same PPTP username and OpenVPN client certificate. Client connects to ...
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0answers
31 views

How do I unstick a stuck ubuntu system?

My Asus loads what appears to be a working Grub, but this closes (quickly!) to leave a password request in the middle of an empty screen. I have no idea what password the installers of this system ...
2
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1answer
106 views

Installing rsyslog from source - No package 'liblogging-stdlog' found

I asked this over in AskUbuntu but have had no luck with an answer. I am doing experiments with different logging systems. At the moment I am trying to install rsyslog from source so I can make some ...
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1answer
29 views

Shall I keep the deb file created by checkinstall after I install from the deb file?

I have an old version emacs on my Ubuntu 12.04. I built the latest emacs from its source, and used checkinstall to create a deb package, and installed emacs from the deb file. Will it be good to keep ...
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1answer
146 views

resize root volume with lvextend insufficent space error

My root partition is running out of space, so I'm trying to extend/resize it. Filesystem Size Used Avail Use% Mounted on /dev/mapper/u64-root 19G 18G 823M 96% / none ...
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2answers
59 views

keep script running while screen is locked for a long time

I have a script that is running on my computer. The script is written in PHP under my XAMP server. It actually is reading some files from a remote FTP server and after processing them writes them back ...
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0answers
78 views

Permission Denied on an Executable File

I am newbie to linux so any help would be greatly appreciated - I tried searching and am having trouble finding an answer. Downloaded a compiled executable file (source written in c) in ubuntu I ...
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1answer
130 views

Running Ubuntu 14.04 from USB, can I Install Ubuntu on my HD without losing my persistent Live-USB data?

I've been running Ubuntu from USB for a few months and now I want to install it but without losing any of the data that I’m working on (data on the USB). Is this possible?
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0answers
38 views

Xenomai: /dev/rtheap is missing

I tried to install Xenomai 2.5.5.2 on my Ubunto 12.04 PC following the steps in this guide. I haven't changed any configuration options. When I run sudo ./trivial-periodic, I get a message saying ...
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1answer
306 views

Unable to add PPA repository from terminal

I am trying to install ap-hotspot on Ubuntu-14.04 When I enter the command: sudo add-apt-repository ppa:nilarimogard/webupd8 It gives me this message "Cannot add PPA: ...
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48 views

usb Modem not working after install some package

I have DWM-156 D-Link modem on ubuntu 14.04 LTS,everything was fine before i install "telephony-service 0.1+14.04.20140415-0ubuntu1" SMS and Call manager,Now OS don't show modem connection in network ...