Ubuntu is a free open source operating system based on the Debian GNU/Linux distribution. Consider using http://askubuntu.com/ to ask questions about it.

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Ubuntu 14.04.2: sound behaves strangely

I just installed an Ubuntu-Mate 14.04.2 partition and my sound is behaving strangely. The first thing is that the audio jack in the back (connected directly to the motherboard) doesn't work. it ...
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43 views

fglrxinfo shows wrong data for graphics card

I'm trying to set up a linux partition running Ubuntu-Mate 14.04.2. I have an AMD Radeon R9 290 installed. I was able to successfully download and instal the catalyst drivers, but when I run ...
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36 views

Linux Ubuntu 14.04 virtual box full screen

I'm using Ubuntu 14.04 in VirtualBox, and my machine is installed Ubuntu 14.04. I'm having problems with the resolution Fullscreen. I have already installed the Guest Additional, but still can not get ...
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3answers
182 views

A guest Linux system sees a text file as binary with ls

I am copying a simple text file to a guest Linux system on VirtualBox through shared folders, but after the copy, the VM seems to think that the file is a binary (it shows up green in ls): Is there a ...
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46 views

Ubuntu 14.04.1 Trusty crashing / being unresponsive

Disclaimer: I am not an experienced linux user, and I am trying to diagnose a case where my Ubuntu goes away, and doesn't come back. The PC is a headless PC without keyboard and mouse plugged in, that ...
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1answer
53 views

/dev/xvda1 full , though there is no temporary files

I have AWS ec2 micro instance, suddenly it shows memory full. I have checked the folder using df -hcommand. The result is displayed below. Filesystem Size Used Avail Use% Mounted on /dev/xvda1 ...
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19 views

tun interface not working in ubuntu14.4?

I have problem making the tun interface on Ubuntu 14.04 work correctly. The commands lsmod | grep tun and sudo modprobe tun return nothing. Even the module, tun.ko.gz in /lib/modules/ and ...
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18 views

How to access a server on VMware from the web? [duplicate]

Here's what I have done: I set up an apache server on Ubuntu in VMware. I used the NAT config. I set up port forwarding. Now on the host machine, I can access the server using localhost. It ...
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1answer
76 views

In Ubuntu 14.04, how to disable wpa_supplicant looking for peer to peer (p2p) networks?

CVE-2015-1863 - people can maybe break into your computer from anywhere in radio range, by sending specially crafted P2P network management packets. The disclosure says you can mitigate the ...
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1answer
17 views

Exporting list of users and passwords securely in ubuntu server?

I have a project in which I'm creating users with random passwords for a class of students, and I want to give this list to the teacher so he can distribute the user:pass to each student. What is the ...
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1answer
45 views

Unable to make ODBC connection on Ubuntu 14.04

I usually access an ODBC connection through a CentOS server, and I'm trying to make the same connection locally on my Ubuntu Trusty laptop. So far as I can tell I've duplicated everything properly ...
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3answers
143 views

debugger detected - please disable it and restart the application wine [on hold]

I am using wine on Ubuntu 14.04. When I try to launch an installed app via wine it shows the error message debugger detected - please disable it and restart the application How to solve this?
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1answer
14 views

how to get the missing file sha256?

I am trying to run some script on Linux Ubuntu Precise Pangolin (12.04), x86_64 machine, and it complains that the file /sbin/sha256 is not there. I can setup in the script, where that file is, so ...
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0answers
22 views

Lost trying to set up mail server forwarding. iRedMail Roundcube Mail

I'm rather new to linux, setting up email servers, and programming in general. I'm using AWS ubuntu to create an iRedMail email server. I have the basics set up but I can't figure out how to set up ...
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1answer
119 views

Google Chrome - Mouse Not Changing

I'm currently running Ubuntu 14.04 LTS (not in a VirtualBox) with Chrome, and I have a interesting issue. Currently there is a solution to a similar problem listed here and here, but my problem is ...
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34 views

Ubuntu as a separate OS v/s Wubi

Due to some hardware problem, I am unable to use both my DVD drive and the bootable USB stick to install Ubuntu as a separate OS alongside Windows 7. I came across WUBI. I was wondering if there would ...
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12 views

Ubuntu Server 12.04. Software RAID1 state degraded with a spare drive

After a disk failure, this is the output of mdadm --detail /dev/md2 in my Ubuntu Server 12.04: /dev/md2: Version : 1.2 Creation Time : Thu Dec 27 10:51:42 2012 Raid Level : raid1 Array Size : ...
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39 views

Need graphics/display drivers for Intel S1200v3RPS board for Ubuntu 12.x, 14.x

I am really stuck with this... Simply cannot Edit: increase (I can change but not increase) the display resolution. Stuck on 1280x1024. xrandr gives "Failed to get size of gamma for output" ... Tried ...
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56 views

Very high write latency with Intel 530 180GB SSD and Ubuntu Server 15.04

I just put together a new "server" with an Intel NUC5i5MYHE, an Intel 530-series 180GB m.2 SSD, and 16GB RAM. I am having a rather severe problem with writes to the SSD having very high latency. The ...
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0answers
32 views

windows 8.1 won't boot after allocating free space from C drive

using amoei partiton manager I allocated free space from C drive in order to setup ubuntu 14.04 in dual boot. It took half an hour to allocate free space however, when my PC restarted back it refused ...
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1answer
51 views

PuTTY “Incoming packet was garbled on decryption” and other errors

I've got Ubuntu 14.04 LTS installed in VMPlayer 6 on Windows XP SP3 - I created this using the mini.iso + OpenSSH Server. I can successfully SSH in via its NAT VMNet8 address 192.168.181.128. After a ...
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1answer
18 views

Link-local (zeroconf) networking with multiple hosts/interfaces

I have a machine (hostname foo) with two wired network interfaces, eth0 and eth1. When I connect another host bar to one of them (eth0), I can see in either one's NetworkManager that it's using ...
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16 views

Unable to login to Openvas

I am running Ubuntu 14.04. I have installed OpenVas from Mohammed Razavi's ppa. I have added the ppa by apt-add command, and followed the instructions described on page. Now, when I try to login using ...
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1answer
34 views

Core2Duo T5870 unable to run 64bit Vmware Guest

I currently own a Core 2 Duo T5870. People said that its a 64 bit processor, and I am able to install and run 64 bit Windows 8.1 on it. But when I try to run Ubuntu 14.05 64 bit on VMware Workstation ...
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41 views

HDMI resolution still stuck at 640x480 on a Samsung TV

I thought Ubuntu will be easy but not for novices like me. I installed Ubuntu 14.04 on a Lenovo X1 Carbon. I have tried all the examples provided on the Ubuntu site but cannot seem to get my HDMI2 to ...
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1answer
29 views

How to remove Windows 8.1 and install Windows 7 without harming Ubuntu?

I am currently running Windows 8.1 alongside Ubuntu 14.10. I want to remove Windows 8.1 and replace it with Windows 7 without harming my Ubuntu. So that my final result should be, Dual boot running ...
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13 views

Lighttpd: Activate User Directories

I'm failing to activate user directories for Lighttpd. I already run following command to activate user directories.But unable to use them from my browser. # As root % lighty-enable-mod userdir ...
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0answers
20 views

Sharing vmware shared folders between VMs

In vmware shared folders document, it says "With shared folders, you can easily share files among virtual machines and the host computer. " So it is OK to share the same folders among different ...
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0answers
19 views

home folder empty after schroot remove

I was trying to backup and refresh my root server. (Update everything, delete unused files etc.) I uninstalled schroot because i thought i don't use it anyway. Afterwards i started the backup ...
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2answers
43 views

Authentication with ssh and scp works but not WinSCP

I have a Ubuntu server with 3 user accounts (root, user1, user2). user1 has access via WinSCP, scp and ssh. No problems here. Then I've created another user2 but with this user I can't access the ...
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1answer
29 views

Allowing remote connections for MySQL on Ubuntu 14

I am trying to connect to MySQL using a program called Heidi, I want to use this instead of phpmyadmin. It's better than phpmyadmin and I figured it would be more secure than going to ...
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131 views

Flash 64-Bit UEFI on Intel Baytrail Tablet

Is it possible to flash a 64-bit UEFI on an Intel BayTrail Tablet which currently has a 32-Bit UEFI? I tried to install a 64-Bit Ubuntu 14.04 (which surprisingly worked) but after the installation my ...
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1answer
50 views

Partition has less shrink space than expected

I have a dual-boot OS setup with Windows 7 and Ubuntu. In the picture below, (C:) 376.14 GB is Windows 7, and Recovery (D:) is 21.87 GB is its recovery partition. I'm not sure what SYSTEM 300 MB is, ...
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25 views

External video card prevents liveUSB bootup

External video card prevents liveUSB bootup Whenever I attempt to boot any Ubuntu liveUSB with a PCI video card installed, I see the initial ubuntu screen then it reverts to a text screen with the ...
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3answers
129 views

Telnet : How to get [user@hostname userFolder]$

I'm using ubuntu 14.04 LTS and i have successfully configured a telnet server. When i logging into telnet server i always get the path(int the terminal) as username@hostname:~/Folder_Name$ I ...
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27 views

Windows 7 screen not displayed after installing Ubuntu

I bought a new Lenovo laptop with DOS and I wanted to make it dual boot (Ubuntu 14.04 and Windows 7, both 64 bit). I took the following steps to install both systems: Installed Windows 7 OS ...
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0answers
24 views

Issues with git on Hyper-V Vagrant box

I am running Ubuntu 12.04 on a Hyper-V box with Vagrant on Windows 8.1. I can git clone all of my smaller repositories from BitBucket and Github, but I have a repository that is decent sized (>10MB) ...
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3answers
40 views

I'm not able to connect with SSH because of SUID warning

When I try to connect with another machine, after this command below: user1@host1:~$ ssh user2@host2 user2@host2's password: I receive: WARNING: Your password has expired. You must change your ...
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0answers
35 views

Can't make terminal window visible to Google Hangouts

I'll be teaching programming lessons via Hangouts and I'd like to be able to screen share my guake terminal window, yet it isn't visible to the screen selection window. Any ideas how to go about this? ...
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1answer
23 views

Where is Host-only Networks setting on VirtualBox 4.3.12?

I'm using VirtualBox 4.3.12 r93733 (with Ubuntu as guest OS, and Windows 7 as host OS). Trying to configure a Host-only Network, I expected to see the following window (or similar): However, ...
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0answers
37 views

lvextend gives insufficient suitable allocatable extents for logical volume set even free extents

I have one LVM with 4 physical disks (created with -i 4 option). I added 2 more disks to VG and trying lvextend which is failing. Below show I have 1TB of space Free in VG. $ sudo vgs VG #PV #LV #SN ...
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0answers
306 views

How to upgrade KDE Plasma 5.2 to 5.3 in Kubuntu 15.04 Beta 2

I tried looking for a way to upgrade the KDE plasma version of my Kubuntu 15.04 Beta 2 to the latest one, 5.3. But there isn't much reference online about how to do it, except using Unstable Kubuntu ...
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1answer
35 views

Explore .raw file?

I have a .raw file that is a snapshot of a hard drive. I'm trying to explore the contents of it on my Ubuntu computer, however I'm not sure how to go about doing this. Is there a way to mount it and ...
0
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1answer
31 views

Linux — How can I run a script after a video has finished playing?

I want to add the default emblem to videos I've finished watching. Any straightforward, non-manual way to run a script if and exactly if a video has finished playing? Can be for any linux ...
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3answers
43 views

VLAN trunking on interface only pingable from hosts on its VLAN

I am trying to set up subinterfaces on my Ubuntu 14.04 server for each VLAN. I believe I have successfully set them up using vconfig, but the subinterface is only pingable from hosts on its own VLAN. ...
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36 views

Not able to run php files on apache server using NetBeans IDE

I want to create a php project using NetBeans IDE. I have set a LAMP server on my ubuntu 14.04. So I had to configure the IDE to copy files automatically to the apache server.I followed this - ...
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1answer
46 views

Mount only specific USB stick

I am trying to configure a Linux (Ubuntu 14.10) so that it will only mount a specific USB stick from one specific USB port. Can someone point me into the right direction on how to do this? Thanks
2
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1answer
14 views

How to start a desktop session without x and also runs a script?

I have a Ubuntu server with LXDE for development, now how would I create a .desktop file to start a session that doesn't startx but actually logs me into a regular tty1 session and also runs a ...
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15 views

Ubuntu gnome package installation error

When trying to install insight from some ppa repositories i get these errors. sudo apt-get install insight Reading package lists... Done Building dependency tree Reading state information... ...
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2answers
81 views

LUKS partition automount fails at boot

I have an encrypted Ubuntu 14.04 Desktop setup. The encrypted root partition is created using the Ubuntu installer default parameters (choices "Erase disk and install Ubuntu" and "Encrypt the new ...