Tagged Questions

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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How to share VPN established in VMware guest VM with host

Is there a way to share a VPN connection which is established in a VMware guest running Windows 7 with the host running Ubuntu 14.04? I tried NAT and Bridge, but I cannot seem to access VPN endpoints ...
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1answer
6 views

How to prevent cups from timing out jobs

I upgraded from Ubuntu Precise (12.04) to Trusty (14.04) and now it seems CUPS times out jobs and automatically deletes them after exactly 3 hours. However I usually do not have the printer running ...
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Povray “hangs” on Ubuntu 14.04

I've installed PovRay 3.7 on a Ubuntu 14.04 server using the default "povray" package to experiment with it as a tool to dynamically generate graphics for a website. Whichever script I try, it keeps ...
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5 views

Disable autoconfiguration of new network interface on Linux desktop

I am running Ubuntu Linux (desktop) and whenever I insert an external network card to my computer, it automatically creates a new interface (that is okay) but also instantly giving the interface an IP ...
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1answer
16 views

Block traffic to server based on known bad hosts list

there used to be a project like denyhosts that would block bad ips from reaching your server but as far as i understand that is now dead? ...
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0answers
12 views

Postfix 'No route to host' even when port is set to 2525

All I want to be able to do is send email from my ubuntu server, I do not need to receive. Whenever I attempt to send an email to an outside domain such as gmail, the email never resolves and it stays ...
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1answer
15 views

server randomly becoming unresponsive

I've been having a sporadic issue that seems to occur completely at random with one of our Ubuntu servers. The server will randomly decide to stop responding to connections on all services (SSH, HTTP, ...
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1answer
10 views

I'm using VMWare Player to run Ubuntu 14.04 on a Windows 8 Host and the 3d acceleration checkbox for the VM is disabled

Ubuntu 14.04 is usable, but noticeably slower in the Unity interface, apparently due to lack of hardware 3d acceleration, and I see in the VM settings that there is a checkbox to enable hardware 3d ...
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0answers
14 views

Robocopy equivalent in Linux that supports Multi-threading

I personally love Robocopy for one major feature. The /MT command to allow multi-threaded connections. Is there an equivalent tool in Linux that provides the same functionality? Its really useful ...
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1answer
8 views

GParted has grayed out “Manage flags”

I am running Ubuntu from a USB pen on a laptop, and trying to partition the disk on the laptop. There are currently no partitions. The partition table (type) is 'gpt'. I would like to set some flags, ...
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1answer
17 views

Why does Ubuntu mount the wrong partition as root?

I am messing around with a problem of Ubuntu mounting a backup of my root partition residing on a different disk as / instead of the real one. I think the problem has been triggered by a clash of ...
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3answers
41 views

SSH can not connect remotely, but I can ssh via local ip

This is a new server with ubuntu 14.04. I can ssh locally (via 192.168..). But when I ssh remotely it cannot be connected after I input the password. There is a firewall on the server, but the 22 ...
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2answers
25 views

How do I permanently reset the UUID of a partition?

I have just started experiencing problems on my Ubuntu install with a (dd cloned) backup of my boot partition - residing on another drive - "taking over" the root mount when booting. So I have, from ...
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1answer
20 views

Make hidden folders invisible sftp

My client needed sftp server for sharing files, so I created sftp server on a amazon ec2 ubuntu machine and added different users. Now their need is when user login to sftp server either via winscp ...
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1answer
28 views

Wlll reversing boot order in Win 8.1 provide a measure of safety when attempting dual-boot install of Ubuntu 14.04?

I am brand new here please notify me if I am not properly styling my question, thanks. I am ready to install dual boot Ubuntu 14.04 from LiveUSB but I am appalled by how many people have problems ...
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28 views

Optimizing partitions for Dual Boot install Ubuntu 14.04 w/ Windows 8.1 on HP 2000 What is current Best Practice consensus?

I intended to ask generally the current Best Practics for installing dual boot WIn 9/Ubuntu 14.04 but am narrowing it down to the partition aspect for this thread. MY SITUATION (Skip directly to ...
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1answer
12 views

Neighbor solicitation or advertisement not forwarded between interfaces

I have Ubuntu 12.04 installed in a VirtualBox VM on a Windows 8 host computer. Windows 8 had a hosted (wireless) network to which I can connect with my Android phone. The eth0 interface of my VM is ...
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0answers
17 views

failed to access perfctr msr - When running Fedora on a VM

I'm trying to run a Virtual Machine with Fedora, and I choose to "Start fedora" from a list where I can start it or troubleshoot problems. The I get the following output: [ 0.00000] tsc: Fast TSC ...
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5 views

Kernel panic appearing when cloning discs from Ubuntu live USB

This PC has been working properly since built in 2009. It has got Ubuntu 14.04 and never appeared to have any kernel panic situation in the past. One day I decided to boot from Live USB, replace the ...
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0answers
24 views

Error Booting from PCI-E Drive

To cut straight to the point. I have a computer. It has two solid state drives. One is pci-e, one is not. They both have ubuntu installed on them. I can boot from one hard drive, but I cannot boot ...
2
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1answer
50 views

Passing the output of locate as an argument to an editor

What I mean is doing this in a 1-liner: ubu@ubuntu:~$ locate filename.sh /home/ubu/path/to/filename.sh ubu@ubuntu:~$ gedit /home/ubu/path/to/filename.sh I can't seem to figure out the right piping ...
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19 views

Apply keyboard mapping to external keyboard without restarting Ubuntu

I use Lubuntu 14.04, and have the following in .xmodmap: remove Lock = Caps_Lock keycode 0x42 = Control_L add Control = Control_L Which turns CapsLock into an extra Control key. This works fine for ...
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1answer
9 views

Copy Paste on Command Line Ubuntu on Virtual Box with Cygwin Terminal

What is a command line tool that enables copy paste text on ubuntu, also Is it possible to paste on Host machine that is copied from a virtual box, on a Cygwin terminal.
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1answer
41 views

windows 8 data lost while installing ubuntu 14.04

I had windows operating system. I have installed Ubuntu 14.04 operating system by over writing windows 8. But I lost 5 GB of data which was very important. I tried test disk tool to recover data but ...
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0answers
10 views

Synergy Keyboard Mapping

Server - Windows 7 Client - Ubuntu 12.04 LTS I Run synergyc using lightdm.conf so that I can use the keyboard to login. Every now and then, my keyboard mapping or characters will get scrambled and ...
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0answers
24 views

Aborted Session (Virtualbox v4.3.18 / Host : Ubuntu 14.10 / Guest : Win7) [on hold]

I have installed Win7 as a Virtualbox Guest in a host which had Ubuntu 14.04 and everything was alright. But when I upgraded to Ubuntu 14.10, the Guest Win7 session keeps aborting everytime I try to ...
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2answers
26 views

Maximum number of disks and amount of storage support by Ubuntu OS?

We are using AWS ec2 instances and we want to attach EBS volumes to EC2 instances using a program. In order to over burden one particular EC2 instance by attaching more storage than it can handle, I ...
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0answers
22 views

Is it possible to clone previous boot disk to new imsm raid array?

A PC with a hard drive 750GB. The hard drive has one partition with Vista and several partitions with Ubuntu 14.04. I mainly work with Ubuntu but occasionaly I boot Vista. Recently, the drive's smart ...
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1answer
9 views

create a network between to ubuntu and localhost

I want create a network between two ubuntu on virtual machine and localhost on windows. I know set network vmware on host-only for connect to localhostT.but I want two virtual machine connected ...
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0answers
56 views

Cannot change resolution / Cannot use Seamless Windows feature on Lubuntu 14.10 running on VirtualBox 4.3.14

My two issues are not being able to change video resolutions. I am stuck at 640x480. Also I cannot use the Seamless Windows feature in virtual box as it's greyed out. I am stumped, I can use some of ...
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2answers
61 views
+100

Cannot mount vbox shared folder without sudo: “unknown mount option `user'”

I am trying to set a VirtualBox shared folder mountable by any user, so this is the line I put in /etc/fstab: # mint shared folder mint /media/sf_mint vboxsf defaults,user,uid=1000,gid=999 0 0 ...
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0answers
21 views

Able to receive, but not send email over SMTP from VPS. I don't think I'm being blacklisted

The error I get is "421 Downstream server error" or something similar. Up until a few days ago I could send mail without any trouble. I've searched around, and most other people with this problem end ...
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1answer
36 views

Is it safe to remove /var/cache to free space?

I am trying to free some disk space from my Ubuntu 12.04 installation. I was wondering if it is safe to delete the contents in /var/cache? Here are the top list of /var/cache from du: 136M ...
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2answers
40 views

Computer won't boot after uninstalling Ubuntu and reinstalling windows

Hello fellow Internet users, So I decided to install Ubuntu, formatting my hard drive to do so, after a few months I decided to go back to Windows, so I formatted my hard drive and reinstalled ...
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0answers
53 views

I am unable to boot into OS X at boot after having installed Ubuntu 14.10 with rEFInd

I have installed Ubuntu 14.10 alongside OS X Yosemite 10.10, with rEFInd, following the instructions of rEFInd about fixing a problem of booting among Yosemite and Ubuntu. I fixed it and it was ...
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1answer
24 views

UBUNTU In Virtualbox Error (Black Screen Boot) [on hold]

I am Going to install Guest Additions i accidentaly turned off them (The Virtualbox) after i turned on it. I got a black screen! I have no idea how this happens help me.
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1answer
253 views

AMD proprietary drivers

I decided to install proprietary video driver to my HP Pavilion g6. My system is Ubuntu 14.10 Utopic Unicorn (updated yesterday). Ok, i downloaded AMD Installer from official site. sudo sh ...
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2answers
22 views

Virtual box couldn't be installed

I tried to install virtual box using the following command: sudo apt-get install virtualbox-qt But this gave me the following errors Some packages could not be installed. This may mean that you have ...
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0answers
9 views

How to get a fullscreen with tabs in Firefox

I want to have a fullscreen with the tabs bar in Firefox running on top of Ubuntu 14.10, how can I do that?
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0answers
14 views

Recovering from a boot error

I was doing a project for my library where I installed Ubuntu desktop on a couple of hard drives. When I finished, I shutdown my machine, but when I tried booting back up again, I noticed that there ...
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0answers
11 views

FTP Server with XCRC command native?

Anyone knows a FTP server that supports XCRC command native? I've found ProFTPD, but it is necessary add a module and recompile it.
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0answers
23 views

How to install Horde Webmail on Ubuntu 14.04?

Am using Ubuntu 14.04. Am stuck with the following issue: My goal is to install and have running HORDER GROUPWARE 5.2 on my Domain/Hosting: Download on Github: https:// github ...
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1answer
9 views

Redirection to /dev/null block oggCat execution

I'm trying to use oggCat from another program, but when I call oggCat output.ogv file1.ogv file2.ogv ... filex.ogv > /dev/null the execution never ends. Is there any solution?
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1answer
23 views

Wordpress inital configuration using Lynx

Note: posting here, because ServerFault's description is "For professional administrators". Also chat seems unavailable currently. I am trying a stab at making a website. I installed Ubuntu Server ...
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0answers
7 views

Can't send email to my own domain [on hold]

I've set up sendmail on my ubuntu server and I have the following PHP code set up to email my own domain contact@example.com: $subject = "Hello!"; $message = "This is a test."; $header = "From: " . ...
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1answer
15 views

Setting proxy on and off, including user agent, on Ubuntu Server in Virtualbox

I am setting up an Ubuntu Server VM in Virtualbox, which I plan to export/import into different environments, as follows: 1) No proxy 2) Behind a proxy server whose address is known, with no ...
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0answers
13 views

Which is better between this wireless adapters? [closed]

I have Hp notebook with internal wireless card can't say its give the best performance . So in terms of signal/gain Ralink RT3090 or TP-LINK TL-WN722N (USB) is better ?
2
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1answer
13 views

Ubuntu unlock ssh key at every usage

I have an SSH private key and I would like to be asked for the password every time if it is used. I don't know how to do this... Thank you!
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0answers
17 views

Projector 1080p image is a different size depending on the source

I have a Benq W1070 projector. I was using it with my Ubuntu PC, and now I'm using it with my Windows PC, connected via an HDMI cable. Ubuntu 14.04 64-bit has a Gigabyte ATI HD4850 graphics card and ...
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0answers
11 views

How to access mail in an organized manner

I just finished setting up postfix on my ubuntu 14.04 server, however, to access my mail I have to use command line. How can I make it so that I can access the mail in an organized manner, like ...