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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2answers
100 views

Ubuntu boots immediately

After using Wubi for a few weeks, I thought it would be time to do a real install of Ubuntu. I downloaded the iso file from the official website and installed the iso on a usb (with Pen Drive Linux's ...
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0answers
141 views

Can’t figure out Samba file share permissions as needed.

I’m in the final project class for my degree and my group has to have a Linux server that supports a Windows environment. With the files in the file share need to be read only, can be edited and then ...
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1answer
31 views

Proper location to install services

I originally posted this question over on AskUbuntu but it didn't get any traction so I'll ask here. In ubuntu or linux in general is there a "correct" location to install services that you download ...
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3answers
290 views

Why “Linux Generic” use RPM extension in MySQL download page?

I need to install MySQL 5.5 from source in Ubuntu 10.04. So I'm trying to find tar.gz source from here. But when choosing "Linux Generic" from the drop down menu, it is showing an RPM extension I ...
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2answers
180 views

Trigger an init script when a specific device is up and a kernel module has been loaded

On my ubuntu 12.04 servers, I need to write an init.d script that waits until the infiniband interface (device: mlx4_0, interface: ib0) is completely up, and until the knem kernel module is loaded. ...
1
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2answers
122 views

Can't get upstart service to honor capabilities(7)

I am developing a daemon started by upstart (Ubuntu 14.04) which needs to run as a non-privileged user (for security), but bind privileged port 443. I am using setcap to set the CAP_NET_BIND_SERVICE ...
0
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1answer
22 views

Starting up and keeping up a process

I am having an Ubuntu box on which I am having a Haskell process (think of it as a random server process) that I built. I want to start it on boot and restart it in case it fails for whatever reason ...
4
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1answer
3k views

How to create KVM guest with SPICE graphics but TLS disabled using virt-install?

I am using virt-install (see below) to create a guest. All seems fine up to the point where it complains about auto-allocation of the SPICE TLS port. Here's what I am running and the full output: # ...
1
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1answer
382 views

UDev automounting drives as 'usbhd' regardless of type and name on Ubuntu 12.10

I have 3 drives which I use for storage on my system. Here are their mounting points in /etc/fstab # <file system> <mount point> <type> <options> <dump> ...
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0answers
641 views

virtualbox mail server postfix+dovecot

I'm setting up a mail server(ubuntu14.4 serverX64) for development/testing purposes (using virtualBox bridged-mode) and I just finished this tutorial and everything seams to work. Now I'm not able ...
0
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2answers
316 views

SSH Server on Ubuntu not works

I wanted to start SSH server on Ubuntu 14.04 running on VirtualBox. I installed Openssh, sshd, etc., configured sshd_config to listen on ip, which I see in ifconfig and it not working. I'm starting ...
2
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0answers
212 views

/dev/sda not appearing after secure erase

I decided to wipe my SSD with a secure erase before installing Arch Linux, since the Arch wiki said that it would improve performance. I followed the instructions listed on the wiki, but now when I ...
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1answer
92 views

Why should I get linux? [closed]

Ok so I am student, about to get my degree in computer science. I have been programming for couple of years now on my Macbook pro on OS X and I havent had any problems. On the other hand, everyone ...
0
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1answer
2k views

Installing prstat package command on Ubuntu Linux

I'm trying to run the prstat command on my Ubuntu server, but it doesn't seem to be installed, I have searched the web for the package name needed to install it but without any luck for some reason.. ...
2
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1answer
757 views

ext4 filesystems frequently corrupting

We have occasional power outages in our environment which seems to cause data corruption on our Ubuntu machines with ext4 filesystems. To my understanding ext4's default is to use data=ordered ...
1
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1answer
107 views

Save views in multiple screen terminals

As I do in default single view screen terminal of ubuntu; gnome-terminal \ --tab-with-profile=Default --working-directory="some dir" --title="some title" \ --tab-with-profile=Default ...
5
votes
2answers
507 views

Unable to login via ssh after several months [closed]

I have a Dell Poweredge running Ubuntu 13.04 in my office to serve up an interal web-app address system. It has been at least a 2 months possibly 3 since my last login. Everything is running great, ...
2
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1answer
44 views

Virtual console pauses video and audio playback running in KDE

In Kubuntu 14.04, when I switch to one of the virtual consoles by pressing CTRL-ALT-F1...F6 all audio and video playback running in the GUI gets interrupted and continues only when going back to X. ...
5
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1answer
68 views

sudo and fish: no credential caching

I use fish as my standard shell. And I use sudo sometimes. But I'm having problems with credential caching. On an Ubuntu system, this works: niklas@Niklas-Mobil~> sudo true [sudo] password for ...
3
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2answers
373 views

How to open a program as another user inside a logged display?

I'm trying to open netbeans as a different user, but isn't working. I'm running a Kubuntu 12.04 LTS with KDE. And I tried the following: Open a terminal, type su - myotheruser, type the myotheruser ...
1
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1answer
54 views

Two HDD partitions with the same name result in uncertain directories

I'm running Ubuntu 14.04 on a machine that has a lot of hard drives plugged into it. These hard drives have partitions with old OS's which have a lot of key data that I use often. The problem is, I ...
12
votes
5answers
7k views

Screen turns on automatically (xset dpms force off)

I am using xset dpms force off to manually turn my screen off to save power. However, it turns back on after some time (20 - 40 seconds). Distro: Ubuntu-Lucid Graphics: Intel 4500 MHD ...
3
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2answers
10k views

Getting OpenGL to work under Ubuntu

I have an Intel graphics card, of which I can't tell whether or not it's being recognized. When I go through GUI to the System Info section, it states that my graphics card is unknown. Despite this, ...
6
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3answers
2k views

Get diff changes between original files installed with apt and current files

I installed php5-fpm package using apt; then I made some changes to the PHP configuration files. Now I would get the diffs between the original files versions (the ones of the package installed) and ...
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2answers
2k views

Ubuntu under VirtualBox 4.3.12 r93733 run slow on Windows7 with AVG free 2011

Ubuntu VM speed is subjectively 5 to 10 times slow. Tried setting CPU number, PIIX3/ICH9, Display 3D acceleration. Still slow. Any pointers appreciated. VirtualBox installed with all default setting. ...
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1answer
1k views

Can use Password authentication with SFTP even though “PasswordAuthentication no” in /etc/ssh/sshd_config

I have enabled SSH-keys based authentication on the Ubuntu 14.04 server, disabled root login using SSH and can connect successfully using SSH-keys based authentication with my user account blahblah on ...
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0answers
160 views

Changing the Java Runtime in NetBean 8 on Ubuntu 14.04

(Not sure if this is the right site for this question - if not please migrate.) I am using Netbeans for C++ on Ubuntu 14.04. Ubuntu comes with the Open JDK Runtime, which is what Netbeans is ...
6
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1answer
95 views

Not able to see the progression of a file with “tail -f”!

It's a surprise why now this command isn't working which earlier was. See I've the below command to run for backup. ubuntu@ubuntu:~$ sudo tar -cvf /media/ubuntu/My*Linux/ub*data/zebra.tar ...
8
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4answers
25k views

How can I fsck a partition when the device reads as busy (but has been confirmed otherwise)?

I'm attempting to run fsck -p /dev/sda5 to repair errors on an ext4 partition, however the command outputs fsck from util-linux-ng 2.17.2 fsck.ext4: Device or resource busy while trying to open ...
0
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0answers
53 views

Creating a Live Kernel with u-boot

I want to create a live kernel with u-boot. I have a ARM board that has a 4GB nand flash memory. I used manufacturing tools from the freescale website for the i.mx6 chip. I have read that you can ...
4
votes
2answers
4k views

How to manually insert a repository in source.list?

I tried to add a new APT repository using this command: add-apt-repository ppa:atareao/atareao but I got a "command not found" error. I tried installing python-software-properties, but it's already ...
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0answers
69 views

ncq disabled on usb drive with ncq capabilities

I've recently purchased a Gigabyte BRIX paired with WD10JFCX 1TB Drive which is encased in an USB3.0 box. On it I run Ubuntu LTS 14.04 When I look at /sys/block/sdb/devices/queue_depth it reads 1 ...
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0answers
1k views

How does Ubuntu 14.04 achieve persistent eth* interfaces?

Trying to upgrade udev to 197+ on my LFS system, I've come across a problem that old persistent network interface names scheme is no longer supported. Before trying to go on with the new suggested ...
10
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5answers
5k views

Vintage terminal for Ubuntu

So I have just been introduced to Cathode for OSX and I am completely fascinated by how classic it looks with it's 1970s retro style. Does anyone know of any programs/packages I can download to get my ...
2
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2answers
656 views

Ubuntu with Gnome and Openbox

I've in my laptop Ubuntu 12.04.03 which comes by default with Unity. I like Unity, and Gnome. It has a nice look, some nice apps, things frequently works nice. However I would prefer to use Openbox. ...
2
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6answers
1k views

Unable to do paswordless ssh even after following standard procedure

I have two systems named Interface(10.1.1.87) and Client-Interface(10.1.1.91). I want to automatically mount an sshfs share from Client-Interface on Interface on boot. I am using the command: sshfs ...
3
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1answer
25k views

How to use Wireless Network in Virtualbox?

I'm trying to enable Wireless on VirtualBox in my Ubuntu 14.04. I use a Kali Linux as the guest OS, but this OS not show the wi-fi when I connect it. After starting the guest OS, it still does not ...
4
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2answers
11k views

Install Ubuntu from a small USB stick

I'd like to install Ubuntu (Desktop or netbook edition, preferably latest version), onto a laptop using a small USB stick. (480 MB free space.) How can I do this?
0
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1answer
270 views

How should I change root@mydomain when I send from mail() php function?

I've installed sendmail in Ubuntu as below: apt-get install sendmail Then I sent an Email to test, I received Email from root <root@mydomain>. I checked the content of /etc/aliases, but it ...
0
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1answer
72 views

Change packages from country local to global

I want to reinstall all packages in Ubuntu 13.10 that were downloaded from my country local repository to change them to global repository versions. I can work on system that is completely English, so ...
2
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2answers
782 views

How to increase the timer before drive spins-down?

I use Ubuntu 12 beta on a Lenovo Z575. I noticed that the disk spins down a few seconds after the last operation. When I am working, e.g. in the vim and write quite often, it spins-up and -down ...
1
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1answer
488 views

What Causes Maintenance Shell Segmentation Fault?

I'm running Ubuntu 14.04 Trusty Tahr in a Microsoft Hyper-V virtual machine on Windows Server 2012 R2. I've stopped the VM, replaced an EXT4-formatted virtual disk volume (/dev/sdb) with a new ...
4
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2answers
6k views

rsync mkstemp failed Invalid argument (22) with davfs mount of Box.com cloud

I mounted Box.com cloud storage using davfs according to these instructions. I mounted my Box.com account under /home/me/Cloud/Box I can access the mounted filesystem via Dolphin as well as via the ...
2
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0answers
100 views

unable to create key file. ubuntu installation error

I am trying to generate a preseed file for automating the Ubuntu installation process. I want full disk encryption with the help of preseed having the pass-phrase included in the preseed. I wrote ...
0
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1answer
245 views

Can I create a bootable distribution backup

I'm interested in trying out a couple of distributions, but for extended periods of time (so using a LiveCD is not really an option). However, I would like to create a backup of my current ...
0
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2answers
311 views

How to checkpoint using CRIU on ubuntu 14?

I tried to install CRIU in ubuntu 14.04 Desktop. When I used $ sudo ./criu check , it showed Error (cr-check.c:268): fdinfo doesn't contain the mnt_id field And when I tried to checkpoint ...
3
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1answer
84 views

Adding a label to start-stop-daemon service in process list

I have a bunch of redis service instances, and I would like to add a label to them in the output of the ps command. Currently I see: $ ps aux | grep redis root <snipped> ...
1
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1answer
78 views

Make a deb package that installs data under /var/www/data

I recently set up a PPA on Launchpad for distributing my web application. Since it's a server-app, I need to put my data into /var/www/html which apparently is not wanted by Lintian ...
1
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0answers
139 views

Switch screens in xorg.conf without reloading X

I have an ARM device running ubuntu and the screen set up using xorg.conf as below: Section "Device" Identifier "Card0" Driver "fbdev" Option "fbdev" "/dev/graphics/fb2" ...
1
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0answers
277 views

Disable CPU scaling with U 1404

I know there are a lot of things about this topic but I couldn't find anything not older than 4 years. As the stuff develops so fast I hope it is fine to ask again a few years later. What is ...