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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23 views

Why does Ubuntu keep the old vmlinuz files? Is it safe to delete them?

So, I was deeply annoyed by the multiple boot options on rEFInd bootup (I run about 6 OSes on my mac, plus some on a USB), and I thought to myself: "Why on earth do they keep multiple boot options for ...
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0answers
42 views

How to fix shared libraries errors?

I moved a HDD with Ubuntu 14.04 from my PC to a laptop. It boots without problems but it's stuck on the login screen. If I enter my password it will go back to the login screen. If I log in via ...
0
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1answer
15 views

How to download file from remote server to windows without sudo

I have a VM running Ubuntu 14.04. I seem to have broken sudo on my account: sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set I do not have root access. I am looking to ...
2
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0answers
28 views

Dual-boot automatic load Windows when resuming from Hibernate

I have this setup: Windows 8.1 and Ubuntu (grub). My bios boot options are: Windows Bootloader: Ubuntu boot option: Windows 8.1 Ubuntu 14.04 When I select Windows Bootloader it goes ...
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0answers
17 views

Installing Ubuntu 14.04 on Sony XPERIA Model C5303 [migrated]

So, I read somewhere recently (I read it here) that you can install Linux (in my case, Ubuntu) onto an Android running phone by rooting the device and overriding the software. I'm going back and forth ...
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0answers
16 views

Virtualbox - Two different screen orientations for Ubuntu VM

I have an Ubuntu (15.04) VM running on a Windows 8.1 host in a two monitor configuration. At times, when I'm reading a lot of documents, I like to rotate one of the screens to be in portrait mode to ...
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0answers
48 views

Virtualbox very very slow with ubuntu 15

Windows 8.1 is host, ubuntu 15 is guest. Starting firefox in ubuntu takes 50 seconds. Add another 30 seconds until I can actually start typing into the address bar. The ram consumption is only 300 mb ...
2
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1answer
36 views

Stop Ubuntu VM Stuttering

I am running Ubuntu 14.04 as a VMWare Workstation Virtual Machine inside Windows 8.1. Windows is the host, Ubuntu the guest. As it stands, my Ubuntu VM keeps stuttering. Music keeps stuttering, but, ...
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0answers
10 views

lsof without the TID on Ubuntu

While attempting to debug a I/O issue, I received asked my colleague to execute lsof on the machine and send it back to me. When I examined the output, I saw that for each file and network ...
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0answers
4 views

Ubuntu's Kile failes to open a file embedded with \input

My Latex document, that I work on with Kile 2.1.3 on Ubuntu 14.04, has the following system: main.tex appendix.tex sections/section.tex tables/table.tex main.tex calls sections/section.tex and ...
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0answers
49 views

How to install Ubuntu on Chromebook and remove Chrome OS?

I have a Toshiba Chromebook (CB35-A3120) that I'm not using and would like to install Ubuntu on it. All the instructions I'm finding online suggest using Crouton and result in a dual boot that is ...
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0answers
35 views

Ubuntu “clone” dummy video device when monitor connected

We plan on deploying a number of blackboxes(Shuttle Mini Pc's) running Ubuntu 14.04 to our clients. They will be running headless with the ubuntu dummy video driver(also because I need widescreen ...
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0answers
27 views

Setting file permissions doesn't propagate to newly created subdirectories/files

How can I set the ACL permissions for a directory, such that newly created sub-directories and files receive the same read, write, and directory execute permissions as the parent directory? I've ...
1
vote
1answer
12 views

Empty swapfile after using dd

According to many tutorials available on the internet (like for example this one https://www.digitalocean.com/community/tutorials/how-to-add-swap-on-ubuntu-14-04 ), to generate a swapfile, i need to ...
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0answers
15 views

OpenVPN server on Ubuntu 14.04 - client connects but tunnel seems to not work

I want to setup a vpn server on my home server (which acts also as a router and internet gateway). It has 2 ethernet interfaces (eth0, eth1) and a wireless card (wlan0). eth0 is connected to Internet ...
0
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1answer
14 views

how to set export LANG=en_US.utf-8 on screen terminal start (screenrc doesn't work)

If I don't use screen $ locale LANG=en_US.utf-8 If I use screen $ locale LANG=C how can I tell screen to use LANG=en_US.utf-8 so I can display unicode properly. I tried screen -U but that ...
0
votes
1answer
44 views

Replace Windows 8.1 with Windows 7 by converting to MBR, but keeping Ubuntu partition intact?

I have a Lenovo G500 laptop and I've had a dual boot of Ubuntu 14.10 and Windows 8.1 for a while. I decided to upgrade Windows 8.1 to the Windows 10 technical preview, however it's fairly buggy so I ...
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0answers
33 views

SSH access to AWS Ubuntu EC2 Instance times out

I'm new to AWS, I've setup a micro instance on Ubuntu. I have created and downloaded a key pair. I have also set up the security user group, everything has SSH set to all on port 22. I keep getting ...
0
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1answer
36 views

Cygwin Mintty unicode doesn't display fail despite having dejavu sans mono and everything

Edit the problem is ubuntu machine can't display \u03bb as greek lambda symbol ubuntu is remote: [ubuntu@ubuntu:~]$echo -e "\xce\xbb\x0a" λ [ubuntu@ubuntu:~]$echo -e "\u03bb" \u03BB this is ...
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0answers
57 views

Too slow archlinux

I have both ubuntu (latest - 15.04 with fresh updates) and archlinux (latest) but when I boot in arch I have a problem: everything is slow as a snail. On archlinux the flashplugin FREEZES the whole ...
-1
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0answers
7 views

Cant connect to mysql ssl with compiled php (ubuntu 12) [migrated]

I have been bashing my head against a wall for a couple of days now. I just cant figure it out. I Run ubuntu 12 with plesk 12 and apache 2.2. I have compiled PHP 5.6.10 and PHP 5.6.11 with these ...
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0answers
70 views

OS X Host - VirtualBox 5.0 running Ubuntu 14.04.02 video/audio playback is too fast

I am running a VirtualBox 5.0 on my OS X host machine with Ubuntu 14.04.02 as the guest. The problem is, the video/audio is playing back too fast when watching Youtube videos or any kind of ...
2
votes
1answer
43 views

I have to pull the connector out partly to get stereo sound

Using headphones, I have to pull the headphone jack partly out of the socket to get stereo sound. If I push it in all the way, only the right channel comes through. I'm assuming that this has to do ...
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0answers
18 views

Wifi Connection Issue

I have an Acer V5-572 dual booting Windows 8.1 Single Language and Ubuntu 14.04.2 LTS. The wifi adapter is Atheros AR5BWB222. Wifi works well in Ubuntu, but in Windows doesn't work, unless I'm very, ...
0
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1answer
37 views

Rotate all video in a folder with ffmpeg?

I have a lot of videos which are recorder 90 • rotated so I want to rotate all videos 90 degrees clockwise direction. If this possible? I used for loop but there is some mistake because of spaces ...
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0answers
23 views

ubuntu, login, instant power off! ubuntu just did updates… dual boot windows working

Boots up past grub fine, gnome loads...loads.. shows my user account for a split second then click, system turns off instantly. just did a system upgrade/update. no weird software installed. running ...
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3answers
22 views

How to extract file contents and pass in as command line parameters in Linux?

I need to run a command: python test.py command --option 1 value1 value2 value3 value4 value5 (upto value100) I have a text file with space separated values, like: value1 value2 value3 value4 ...
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1answer
21 views

Why don't I see new apache2 access log messages for a (wsgi) request?

This week I installed a simple Ubuntu 14.04 server on which I host a new website (which I built with Flask). The website works fine without any problems. I now wanted to check out the access log, in ...
0
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1answer
22 views

Win7 Host - Mouse scrolling too fast causes a page up in VirtualBox Ubuntu Guest

I am running VirtualBox on a Win7 host machine and running Ubuntu 14.04 on the latest version of VirtualBox 5.0. The problem is when I scroll down too quickly on webpages, it causes the page to ...
0
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0answers
20 views

How to install NI VISA on Ubuntu/LinuxMint?

In the instructions on PyVISA's installation guide they say NI VISA must be installed, but NI's installation script and files only supports RPM-based distros. There are some documented efforts using ...
0
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1answer
28 views

Accepted publickey for userx from y.y.y.y (ssh authentication)

Server A and B is setup for autoSSH I am on ServerA (y.y.y.y) and is accessing ServerB. I understand that A's public key is store in B and is use by B to encrypt the challenge to A when A connect. ...
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0answers
10 views

Dual Boot - System Time [duplicate]

I have a desktop with an Ubuntu/Windows 7 dual boot. I use Ubuntu for work as a developer platform, and Windows for a TV card and Quicken. I work remotely on Ubuntu for a company 2 time zones away, ...
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0answers
15 views

Graphics screen instead of GRUB 1.98 for dual boot Ubuntu/Windows

I want to have some graphics instead of a regular GRUB screen when selecting which operating system to boot. I know about grub_customizer, but it doesn't really do what I need, it's pretty limited in ...
1
vote
2answers
24 views

How to hide all files in a folder via using terminal or script

I have a folder which located as /home/makgun/Desktop/a\ b so that I tried this command mv /home/makgun/Desktop/a\ b/* /home/makgun/Desktop/a\ b/.* to rename all files as .FILENAME to be hidden but ...
2
votes
1answer
37 views

VirtualBox: How to shut down Virtual Machine

I am not sure how to shut down my virtual machine (Ubuntu 32 bit). When I press the drop down menu labeled "Machine" and press close, it gives me three options. Should I use any of these? When I used ...
1
vote
1answer
42 views

redirection - why it doesn't work this way

I know there are 3 streams attached to a process when it is run namely the input, output and error stream. And redirection execution work from left to right. I intend to execute a command, redirect ...
3
votes
1answer
40 views

Windows XP ISO looks for CD

I created a windows XP iso from the windows xp installation CD I have, so I can upload the ISO to proxmox. When I boot the VM and try to install windows XP, it seems to ask for the CD. I assume this ...
0
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1answer
17 views

Deleting/Removing .deb downloads and possible git cloned putty

I am a new user of Ubuntu, and I've been playing around lately downloading and installing a few of my work platforms, one of which is also my code editor, sublime 3 (.deb). I was wondering after the ...
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4answers
61 views

Best way to set up a dual boot [closed]

I've just got a new PC, and I'm ready to set everything up. I'm wanting to dual boot Windows 7/10, and Ubuntu 14. I'd like it to be so by default it boots to Windows, unless I tell it otherwise. I've ...
2
votes
2answers
32 views

bash script.sh vs ./script.sh vs #shebang

Assuming i am in a bash shell now and i execute the following [me@server]$ bash script.sh q1) Is a new child bash process created to execute the script ? If i do a [me@server]$ ./script.sh q2) ...
0
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1answer
49 views

Nvidia + Integratid Intel + Nouveau + Ubuntu: Nvidia is not being used

I've a fresh installation of Ubuntu 14.04 over a MSI laptop, which includes two graphics cards: an integratel Intel and a Nvidia GeForce 840M. My intention is to install the Nvidia propietary drivers ...
0
votes
1answer
26 views

Toggle a full screen program on i3

I want to make some sort of status window/system monitor with something like node-WebKit on my computer, which is pretty trivial. The thing is, I would like to be able to have a keyboard command in i3 ...
0
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0answers
37 views

Webcam not working in Ubuntu in vmware virtual machine

I want to use a Logitech Webcam C210 in Ubuntu, using the virtualising system of VMware Player 6.0.5 in Windows 7 but the problem is that although I have the webcam connected and Ubuntu identifies it, ...
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0answers
123 views

Ubuntu Server with X11 minimal instalation for KODI

im trying to install minimal Ubuntu Server 15.04 with X11 and functional KODI. sudo add-apt-repository ppa:team-xbmc/ppa sudo apt-get update sudo apt-get install kodi xinit xorg ...
0
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1answer
11 views

Is it possible to change prefix after make?

We all know that $./configure --prefix=$SOME_DIR $ make $ sudo make install can install bin, lib to $SOME_DIR. However, I wonder whether I can change the prefix of installation directory after ...
1
vote
1answer
49 views

How can I make a SquashFS file the root file system when doing an iPXE boot?

I have a system that works perfectly fine as iPXE boot server. Now I'm trying to make it use a SquashFS file as a root file system, instead of an NFS file system. The current system uses iPXE ...
1
vote
1answer
27 views

Apache virtual host behavior

I have defined several virtual hosts in my apache 2.4.12. They all are listening on port 80, but have different names. The problem is that I have 2 slightly similar virtual hosts, and the first one ...
0
votes
1answer
10 views

How to change readline scroll behaviour on OS X?

I'm SSHing in Mac OS X Terminal to two ubuntu servers, then I connect to various readline-enabled shells, like MySQL or Mongo clients. Recently, it seems that somehow the scroll behaviour changed. ...
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0answers
10 views

Have VMWare put all files on external hard drive?

I installed VMware to my external hard drive, but when setting up Ubuntu 64 bit it puts files on my C drive causing me to lose space, how do I force all of the files to go on my external hard drive?
3
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0answers
41 views

Password-protected PDF not opening on Linux

I have a PDF document (from the British Library via interlibrary loan) which is password protected via some sort of remote validation of the password. I tried to open it on Ubuntu 14.04, which ...