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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Can I print via CUPS on ARM device without drivers by installing CUPS onto an x86 server with drivers?

I just spent a few frustrating hours troubleshooting on a Raspberry Pi 2 only to find out that it is impossible to print to my Canon printer natively using CUPS. Thankfully, my printer supports Google ...
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1answer
43 views

Why are files and directories colored in different ways? [duplicate]

On Ubuntu 14.04, in bash under gnome terminal, Why are files especially directories colored in different ways? The green colors hide the text to me (How about to you?). Is it done by terminal or ...
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1answer
733 views

Start application as root at boot time on Ubuntu 14.04

I'm working in Ubuntu 14.04 I have an C++ application which I have compiled. I get the executable which name is "program". Well the thing is that this program use opencv and sockets then if I try to ...
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9 views

How to setup the quota for NIS user

I have 3 VM's and configured NIS server one VM, user account created for client access also done. NIS client configured remaining two VM's. I am able to login through what I created username in NIS ...
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2answers
92 views

Ubuntu (14.10, 14.04) Graphics rendering issues with nvidia 331, 346 when using two screens at once (built in and external)

I bought a new dell laptop ( inspiron 15 3000 series ) with 2 gb nvidia geforce 117m. It shipped with ubuntu 14.04. That was very choppy and slow. I installed nvidia 346.47 ( from the nvidia website). ...
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1answer
696 views

BCache and disk encryption

I recently bought a new laptop with a 16Gb mSATA SSD cache drive. I haven't used that one yet. I have, however, opted for Ubuntu 13.04 with "Full Disk Encryption" for the main partition (is that ...
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1answer
531 views

Make bluetooth device invisible / disable incoming pairing

I am using the bluez package for my bluetooth usb dongle on ubuntu server. I want to be able to initiate bluetooth connection from the dongle to a device, however a device itself shall not be able to ...
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3answers
183 views

Tool to create recipe to preseed partitioning

I want to preseed an Ubuntu 12.04 installer using a custom partitioning recipe. My disk layout is reasonably complex, and so is the recipe syntax itself. Hand-crafting such a recipe seems tedious and ...
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6 views

How to convert Ubuntu init script to Amazon Linux AMI init script?

I had a Ubuntu based Amazon EC2 server where I was running my java based application. For this I had written a init script which was running perfectly and as follows #! /bin/sh # set the environment ...
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9 views

Join Active Directory Domain Failure (uBuntu - Kerberos)

i try to join active directory and samba4 in uBuntu 12.04.05, but when it come to test come out error if i type host -t SRV _ldap._tcp.4ecap.sg' and comes out error Host _ldap._tcp.4ecap.sg ...
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1answer
25 views

Sound is not working in Ubuntu 14.04: suddenly stopped

The sound suddenly stopped working in my Ubuntu, so I googled and followed this link but it doesn’t work to me. Output of aplay -l: **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA ...
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54 views

Ubuntu - No space left on device

I have a server which stores a lot of data, I keep many nested directories with millions of files in them. While trying to move one big directory (~700GB) from one disk to another I get an error: mv ...
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2answers
147 views

Unable to connect to git.denx.de [on hold]

I am trying to download U-boot for beaglebone black using Ubuntu 12.04, for this I am using this command git clone git://git.denx.de/u-boot.git Now, after typing this command in terminal, for about ...
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1answer
1k views

Need to auto-login after logout on ubuntu

I've set up a kiosk using Ubuntu 12.04, and I'd like to have it autologin after a user logs out or if the screen locks, in case someone manages to get back to lightdm or tries to login to the ...
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1answer
3k views

How to get Nautilus to “Open with Archive Mounter”?

I see Ubuntu screenshots showing that one can right-click an ISO, and have an option to "Open with Archive Mount". How do I get that running elsewhere where it isn't default (Debian in my case)? This ...
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2answers
8k views

Unable to set hostname for use within network

I am having a lot of trouble setting up a hostname for my home server for use within my home network. My home server is running Ubuntu 12.04 LTS and all packages are up to date. Management of this ...
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1answer
553 views

Can't get grub to boot windows 7 partition. “error: invalid EFI file path”

I have an "HP pavilion 7008tx dv7" laptop. It came bundled with Windows 7 and has two 1TB HHD and an 32G SSD. Here is the output form "sudo parted -l": Model: ATA TOSHIBA MQ01ABD1 (scsi) Disk ...
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0answers
32 views

shell script for conversion [on hold]

SCRIPT to Read all files present in each Input Folder, (one at a time) and perform the following Bulk Conversions in Batch Mode (you should not do this interactively; you can use any iterative ...
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2answers
45 views

Ubuntu broken after power failure. How to fix?

I have Ubuntu 11.10. server which suffered from power failure today. Ever since the power went back on the unit works only partially. Some services work OK, some does not start, e.g. apache2ctl ...
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1answer
23 views

Load Linux Kernel Modules

I need to load the kernel modules nandsim.ko, ubifs.ko and ubi.ko with modprobe. Unfortunately my SuSE 9.3 machine (no internet connetion!) doesn't have them, but I found them on my Ubuntu machine. Is ...
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0answers
15 views

How to color a replaced word in Livecode [on hold]

I want to replace "organisation" with "organization" and change the color of organization to red in Livecode. Iam using this code for replacement --replace "organisation" with "organization" in ...
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2answers
1k views

How can I add an external CD/DVD writer ?

I want to add an external CD/DVD writer to my Ubuntu 14.04 system (System 76 Ratel): the writers in my local electronics store have USB interfaces, and the drives are advertised as windows and mac ...
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0answers
17 views

svn checkout without tags

How to checkout the repository without tags in svn. Created tags in repository. Now whenever client users do svn checkout that tags also downloaded. So I need to svn checkout the repository without ...
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0answers
16 views

ffmpeg -i filename.mp4 display “Segmentation fault (core dumped)” error [on hold]

Whenever i execute ffmpeg -i filename.mp4 it return Segmentation fault (core dumped) error. I am attaching snapshot here
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0answers
7 views

oem-bt-ar-9462-dkms error in Ubuntu

I am new to ubuntu and Linux and i was recently prompted to install new updates and this error keeps popping up. Is there any way that i could resolve this? I am not sure what to do here and any help ...
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2answers
10k 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 ...
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1answer
24 views

Scheduling a task whenever the system starts

I've installed Ubuntu alongside Windows 8.1. I want to create a task that mounts some of my Hard disk drives whenever the system starts. What Linux command can I use? Thanks in advance.
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1answer
14 views

I need dhclient to flush IP address/routes when link goes down

I am running one Ubuntu Server 14.04 with network configuration using /etc/network/interfaces and so ifup/ifdown scripts. I realised that if I configure one interface in DHCP mode, then I unplug the ...
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0answers
9 views

Enable Copy Paste on TightVNC Ubuntu

I am using Ubuntu server with XFCE as GUI. I want to copy paste some data from and to server with TightVNC. I've tried few options but none worked. How do I do that?
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43 views

Terminal Emulator with CTRL+Scroll Zoom

Are there any Linux Terminal Emulators that offer "control & scroll zoom" (allowing you to adjust the visible size of fonts by holding down ctrl and scrolling your mouse-wheel)? Recently on ...
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0answers
129 views

Virtualbox guest responding really slow over SSH, VBoxHeadLess stuck in 99.9% system time

I've been using Vagrant/virtualbox on a relatively new laptop with decent specs (16GB memory, Intel i7 4710HQ cpu, dual m-sata SSD). So far, with every guest I run, I encounter really high latency, ...
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0answers
11 views

Error during ubuntu upgrade (errors were encountered while processing)

I am trying to upgrade my ubuntu from 11.10 to 14.10 but I got this error message when I ran sudo apt-get -f install errors were encountered while processing: ...
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56 views

Unable to get vmware shared folders working in Ubuntu 14.10 Guest

i Installed Ubuntu 14.10 64Bit in VMWare Workstation 10.0.5 within windows 8.1 Enterprise. I installed vmware tools by running the vmware-install.pl script in terminal.But I am Getting an error ...
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1answer
58 views

IPv4 goes offline several times per hour on headless remote server, IPv6 unaffected

On my Ubuntu 14.04.2 server IPv4 goes offline several times per hour (one to four times I've seen, but at no particular minute per hour or so). My hoster insists that the problem is on the ...
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10answers
107k views

How do I set my DNS on Ubuntu 14.04?

Most of the info I see online says to edit /etc/resolv.conf, but any changes I make just get overridden. $ cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by ...
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0answers
22 views

SimpleSAMLphp, Nginx, Ubuntu 14.04

My setup Ubuntu 14.04 LTS 64-bit Nginx SimpleSAMLphp 1.13.2 My Nginx server block: server { listen 80; listen [::]:80; root /var/www/sso/html; index index.php index.html ...
3
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1answer
2k views

Linker error: /usr/bin/ld: cannot find -lgcc_s

I am trying to compile symlinks (tar.gz-file), which is a very small tool with one line for compilation: gcc -Wall -Wstrict-prototypes -O2 -N -s -o symlinks symlinks.c which gives the error .... ...
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0answers
33 views

Persistent configuration of two screens

I want to configure two screens side by side and want the configuration to persist a system restart. (I'm using xfce on Xubuntu 12.) I've inspected old questions and the answers mentioned arandr and ...
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0answers
14 views

eth0/usb0 bridge breaks after removal and replacing android phone

I'd like some help with a networking bridge issue I've run into. I'm trying to make a bridge with eth0 and usb0 (my android phone). After running the brctl commands the bridge works wonderfully. But ...
3
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1answer
427 views

Docker error creating bridge

after installing Docker on a Ubuntu 14.04 minimal system with these commands, apt-get update apt-get install docker.io ln -sf /usr/bin/docker.io /usr/local/bin/docker sed -i '$acomplete -F _docker ...
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3answers
72 views

What installed nginx?

Something has installed nginx on my system, I have not specfically typed apt-get install nginx. How can I find what has installed nginx ? I only noticed after a reboot, the system is rarely ...
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2answers
1k views

How to implement package install suggestion on Debian?

I have noticed that while on Ubuntu, if I type the following: mc and it isnt installed, I get the message below: The program 'mc' is currently not installed. You can install it by typing: sudo ...
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3answers
12k views

Trying to SSH to local VM Ubuntu with putty

I have found similar questions in my searches here, but most of the answers are way above me at the moment, so here goes. I have set up a VM of Ubuntu server, have installed OpenSSH, and am now ...
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2answers
544 views

How do I run a script when I switch between keyboard layouts

I use more than one keyboard layout, and I would like to find a way to run a script when I switch between them. Is this possible? So far, I can assign a shortcut for a script like this: #!/bin/bash ...
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2answers
52 views

Prevent autologin to the admin account

I am a new user of Linux. I have both window 7 and Ubuntu 14.04. For my family and friends, I make Guest account but when I restart my laptop and operates with Windows 7 then options are comes for ...
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0answers
15 views

Samba File Server Configuration and Sync for Redundancy

I have two boxes which I installed Samba on. For now, I have a single user that access the server, however, I need to expand as to deploy in a production network. Below is what I want to achieve. ...
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2answers
21 views

/proc/net/tcp: permission denied

When I type "netstat" into my SSH console as a non root user, I get "/proc/net/tcp: permission denied", but it works fine as root. I was wondering if it's possible how I would allow non root users to ...
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1answer
55 views

CP2102 usb to serial error

I'm trying to flash the nodemcu fw for the esp8266 using a usb to serial adapter, it come mounted on /dev/ttyUSB0 but it can't communicate with the module. All the connection are ok, and I've also ...
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1answer
210 views

When and why is /etc/init/failsafe.conf invoked on Ubuntu Server 12.04?

Could someone please tell me when during the boot process and why /etc/init/failsafe.conf is invoked? If possible, please point me towards a resource (keyword or link) where I could read more about ...
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0answers
25 views

Replace Ubuntu (dualboot) with Kali linux

I am currently having windows 8 machine with Ubuntu 14 installed as dualboot. It was installed under alongside win8 option. There might be a way i can completely remove ubuntu and then install Kali ...