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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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 ...
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Running MySQL in a Docker container

So my ultimate end goal is to run a MySQL Docker container (say tutum/mysql from the public registry) and then link a Gitlab Docker container (say sameersbn/gitlab) to it, where both containers use ...
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2answers
33 views

Installed Linux, now Windows doesn't boot anymore

I had a working Windows 8.1 which I used regularly. Today I needed Linux, so I chose Ubuntu and installed it from a bootable flash drive alongside Windows. Everything worked well, I could choose which ...
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10 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 ...
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1answer
52 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 ...
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21 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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5 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
35 views

Ubuntu 13.10 has suddenly failed to boot! [on hold]

Yesterday evening, I don't know what happened but my system (Ubuntu 13.10) didn't boot. Since then I tried many times but the same issue as I explain below. See I boot my system. GRUB menu comes; I ...
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22 views

Can anyone know how to install oracle on ubuntu 14.01 [on hold]

Can Anyone help me in installing of ORACLE 11g in Ubuntu 14.01
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0answers
31 views

is nameif deprecated? If so is there an equivalent replacement?

I read that the nameif is deprecated, although I still see it on my ubuntu 14.04 system. If this command is deprecated, is the command cited for removal or will it still be available? This command ...
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31 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 ...
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17 views

Installing mysql-server in vagrant bootstrap shell script (how to skip setup?)

I did try to install mysql-server on my Vagrant Ubuntu 12.04 LTS virtual machine. When I did so, the setup auto-starts. I can see this in the Vagrant output: While not mandatory, it is highly ...
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17 views

How to create a shortcut of some folder on Docky?

I am using docky on ubuntu 14.04.I am able to pin shortcut of applications to it. But how can I make a shortcut of a particular folder to it. Like It has home folder icon in docky ..I want to have ...
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1answer
37 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 ...
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0answers
45 views

A window asking me to enter my ssh passphrase is popping up randomly. Why?

I'm on Ubuntu 14.04. For a few weeks now a small window keeps popping up randomly, grabbing my keyboard and asking me to enter the passphrase for my ssh key. The Window's title says "OpenSSH", and it ...
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1answer
23 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 ...
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0answers
28 views

A problem with ubuntu [closed]

I have a Dell Inspiron 1420 with Windows Vista. I wanted to install Ubuntu on it, so I burned the ISO file to a 16GB flash memory and I booted the laptop from it. I tried to install Ubuntu on the hard ...
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1answer
24 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 ...
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5answers
168 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 ...
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0answers
17 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 ...
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3answers
44 views

The difference between a binary and a source package in Ubuntu/Debian?

The information below seems misleading. I am confused with the example they give that if you lose dpkg (the program that lets you handle .deb files) you can use the other commands ar, tar, and gzip ...
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0answers
17 views

I want full configuration on pxe? [closed]

Please I want PxeBoot Serve Configuration Notes. Can You Pleace send Me.
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0answers
26 views

How to setup VLANs in Ubuntu 12.04? [closed]

How do I set up a virtual LAN in Ubuntu Server 12.04? What packages do I need to have installed, and how do I go about configuring it?
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1answer
20 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 ...
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0answers
27 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" ...
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0answers
36 views

Linux replacement to Windows Media Center [closed]

new to Linux. looking at options for someone who knows nothing about Linux, Mint, Ubuntu to replace Windows Media Center (Windows 7) with a Linux equivalent. I run straight cable from the wall (no ...
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15 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 ...
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1answer
78 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 ...
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0answers
26 views

Bluetooth Device not working debian wheezy

i just installed debian wheezy on msi cx640dx. my bluetooth device not working. here is some information. Kernel version: $uname -r 3.2.0-4-amd64 when i use hcitool dev it don't show any device. ...
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1answer
23 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 ...
3
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1answer
28 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> ...
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2answers
54 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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20 views

Ubuntu Trusty Preseed Error

I have a preseed file that installs Trusty but the install is giving me this error: Jul 22 17:52:42 in-target: Setting up sysv-rc (2.88dsf-41+deb7u1) ... Jul 22 17:52:42 in-target: info: Reordering ...
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1answer
38 views

Why doesn't my supervisor daemon start on reboot?

I have added a crontab entry via crontab -e for the current user: @reboot supervisord -c /etc/supervisord.conf Yet after the reboot, supervisord demon is not running. I need to run the command ...
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2answers
32 views

Are there distros with ptrace_scope set to zero by default?

I wanted to use ptrace on a recent version of Ubuntu to inspect the memory of any other process running under the same OS user. However, I quickly stumbled upon Operation not permitted After a ...
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1answer
35 views

Command set in /etc/rc.local on Ubuntu 13.04 is ignored

I am trying to set my Ubuntu 13.04 machine in a way that, upon reboot, an instruction is executed and a program is launched with specific parameters, REGARDLESS of whether a user is logged on to the ...
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2answers
54 views

sed regex issue

I'm trying to replace a string in a file: $RELEASE = '1234'; The whitespace between RELEASE and the = symbol could be either spaces OR tabs. The quotes around the version number could be either ...
1
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1answer
20 views

Naming PPP interfaces

I have two PPP peers, dsl-line1 and dsl-line2 which are configured with pppd on Ubuntu (Server) Linux. They are brought up by the /etc/network/interfaces file with the auto thingy however each PPP ...
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1answer
43 views

What to do when you removed execute permission from some system binaries or libraries?

It seems I removed executability from system binaries, resulting in loads of Permission denied. Do I have to force reboot into host's rescue mode or is there something else I can do while I'm still ...
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0answers
37 views

Can't install Ubuntu because pc keeps shutting down

I can't install Ubuntu because during the "copying files" my PC powers off. I've downloaded Ubuntu 14.04 with WUBI on my Windows 8.1 32-bit PC. I made a new partition with 15.9GB, (I don't know if I ...
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2answers
52 views

No eth0 after HD transplant

After moving the hard drive of a makeshift server to another compatible hardware (64-bit, same processor "generation", laptop->desktop) configuration, networking fails to initiate. Specifically: ...
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0answers
12 views

Install wifi modem buffalo airstation g54

I borrowed a wifi modem from a friend - buffalo airstation g54 . I don't know anything about the installation, I just would like to use the wifi. I don't have an installation cd. I have found some ...
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0answers
22 views

Ubuntu and Windows dual boot problem [duplicate]

I installed Ubuntu 14.04 on a computer that has Windows 8.1 preinstalled, following the next link http://itsfoss.com/install-ubuntu-1404-dual-boot-mode-windows-8-81-uefi/ This are the ...
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0answers
71 views

windows 7 reinstallation killed grub

I have been running dual boot windows7/ubuntu. Recently I reinstalled windows 7, and I no longer have the option to boot to ubuntu. I would like to be able to get my dual boot working again or at ...
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2answers
147 views

Problem Windows 8.1 Ubuntu 14.04 dual boot

I installed Ubuntu 14.04 on a computer that has Windows 8.1 preinstalled, following the next link http://itsfoss.com/install-ubuntu-1404-dual-boot-mode-windows-8-81-uefi/ Now I can not dual boot. ...
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1answer
21 views

How to provision software across multiple laptops [duplicate]

I've got a bunch of laptops for my classroom and I'm using Ubuntu. I want to be able to add/update/remove software across them as easily as possible and I'm not sure how to go about it. I was ...
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Ubuntu Firewall Configuration Just for Browsing and E-Mailing [duplicate]

Is it possible to configure UFW just for browsing using firefox, e-mailing using thunderbird and updating the system? How should I proceed? I would like to use the UFW directly without any GUI.
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nmcli freedesktop DBus warnings and errors

As soon as I do nmcli con up id <ESSID>, I experience some warnings/errors: ** (process:4841): WARNING **: async_got_type: could not read properties for ...
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Gnome programs (eog/gnome-terminal) have a slow start and produce a DBus.Error.NoReply Warning

For some time eog and gnome-terminal are starting very slow on my (X)Ubuntu 13.10. I think other gnome tools are affected, too, but I don't use any else. Now I get a ...
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2answers
43 views

Windows and Ubuntu dual boot

I have installed Ubuntu 14.04 on a partition. Now I have Ubuntu and Windows 8.1 for dual boot. I followed this tutorial to install Ubuntu. Now when I switch on the computer I have the following ...