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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ubuntu apt-get update slow at begining

recently I feel apt-get update runs much slower for some servers than others. xxx@xxx:/usr/lib/php5/20121212$ sudo apt-get update Ign http://downloads-distro.mongodb.org dist InRelease some servers ...
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6 views

Connecting tata photon in X window manager using command line in ubuntu

Due to some reason I had to shift from Gnome to X window manager. So here on the desktop nothing appears (no launcher, no menu bar nothing) but we can open command line in it using Ctrl+Alt+Tab. (I ...
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1answer
12 views

monitor internet usage in my office which uses both ubuntu and windows 7

i am not a networking pro. my network admin wants to know the ways we can monitor internet usage by employees. my office systems have mostly ubuntu 12.04/14.04 and some windows 7 pcs. can i find a ...
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1answer
15 views

Trying to run files on Ubuntu from televsion

I am using a TV with HDMI input from sony laptop running ubuntu 12. I can see the screen on the TV but any files I run on the laptop do not appear on the television. Any ideas what I might be doing ...
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8 views

System clock seems fine, logs timestamp however are not

Managing remotely my VPS, I wanted the logs and everything written in my timezone so I could read easily when something happened. So I changed the timezone and now "date" command and such returns my ...
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4 views

Mozilla Firefox Graphic Rendering is Glitchy (Ubuntu 14)

I am using Firefox 31 & it does not render smoothly AT ALL. Almost every time I switch pages or the DOM re-flows, it will jump between the last image and the new image. If I watch the browser ...
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1answer
18 views

Unable to access hard drive

I am trying to mount my external hard drive but I keep getting this error Unable to access “Backup Data” Error mounting /dev/sdb3 at /media/root/Backup Data: Command-line `mount -t "ntfs" -o ...
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28 views

Unity doesn't work on VNC server under Ubuntu 14.04 LTS

After upgrading to Ubuntu 14.04 LTS, I find the Unity destkop in vnc4server never works as it did under Ubuntu 12.04 LTS. Here is my ~/.vnc/xstartup for vnc4server: #!/bin/sh xrdb $HOME/.Xresources ...
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8 views

Significant wireless network slowdowns, only on one machine

I have Asus N61Jv with AR9285 wireless adapter and Ubuntu 12.04. I connect to my home router, everything seems fine. If I try to ping my gateway (192.168.1.1, which is my router), it goes ok, less ...
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1answer
11 views

postgres creating new user/role

I am following this tutorial, and being logged in as postgres I run: createuser --interactive provided name and choosen superuser then: createdb dogspot but when trying sudo -i -u dogspot I get: ...
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4 views

How to moniter an application's access to the disk?

Is there any tool on ubuntu to moniter an application's access to the disk and report what files did the application open , read or modify.
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10 views

Displays not working

I am new to linux/ubuntu, and I am having issues with getting my displays to work. My setup works perfectly fine on windows. but I am having trouble getting it to work on ubuntu. I have 5 monitors, ...
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2answers
31 views

How do i get the playing song details(title - artist- album.. etc) in ubuntu

When i play a song in ubuntu whether from banshee or spotify or any other music player, the song shows up in the sound indicator menu. How can i get the details of the playing song from the ...
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1answer
14 views

Is a raid array transparent?

I am attempting to create a RAID 5 array of 4 disks using an on board SATA RAID controller of a ASUS H87 mini ITX motherboard. The OS I am attempting to install is UBUNTU 14.04.1. I have successfully ...
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6 views

Ubuntu- encrypted folder for multiple users?

It's well documented how to create an encrypted home folder that is decrypted on login. I have a slightly different use case: I want a shared folder (specifically, code repositories) that is decrypted ...
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2answers
43 views

How to install Windows 8 alongside Ubuntu 14.04 using separate drive

i have installed Ubuntu 14.04, but i've read many articles about issues when you've installed ubuntu first and windows afterwards. I have 2 separate SSD drives. On the first one i've installed Ubuntu, ...
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32 views

Windows 7 hangs at “Starting Windows” screen when dual-booting with Ubuntu

I just installed Ubuntu 14.04 in a dual boot configuration. I have my original Windows 7 installation on my C: drive and the new Ubuntu 14.04 installation in a partition on my d: drive. GRUB shows ...
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1answer
6 views

Links text browser: Add starter URL on “Go to URL”

In Links text browser running in terminal, how to add starter URL when pressing g? Pressing g will show Go to URL form. The form is blank. Lets say I want a starter URL ...
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1answer
7 views

Wrong fs type for vboxsf after installing Guest Additions in Ubuntu 14.04

I'm running Ubuntu 14.04 in Virtualbox 4.3.12, and the command sudo mount -t vboxsf mainshare /mnt/host gives this error: mount: wrong fs type, bad option, bad superblock on mainshare, missing ...
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17 views

How do I create a DHCP server, with a router that doesn't allow me to disable DHCP?

I have an Actiontec V1000H Modem/Router from my ISP Telus, they have blocked access to all their 'advanced' settings like DHCP/Bridging. I have setup a MAAS server I have a few things I'd like it to ...
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1answer
22 views

Ubuntu14.04 shortcut keys of external keyboard don't work

In Ubuntu 14.04 the keyboard shortcuts such as Ctrl+C of my laptop's external keyboard do not work, but they can be used in Windows. How to make the keyboard shortcuts available in my Ubuntu? All ...
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1answer
29 views

How to create a DHCP server at home

I'm running Ubuntu 14.04 LTS on my server I have at home (just an old computer) I installed MAAS and I have a few netbook images I'm trying to boot, I have created a node in maas, but when I boot my ...
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9 views

Can't upgrade Dropbox on headless Ubuntu 14.04 server

Every time I run dropbox update I get the following error. Yeah, no idea what that means. Traceback (most recent call last): File "/usr/bin/dropbox", line 1436, in <module> ret = ...
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28 views

Ubuntu 14.04- Force lower resolution on Macbook Retina Display

I am dual-booting Ubuntu 14.04 on my Macbook Pro Retina Display. I have also installed the proprietary Nvidia drivers. Everything works fine, but the problem is that since the screen is such a high ...
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18 views

Transcend USB flash drive not recognized

My USB flash drive is not recognized by my computer. I have tried it on an Ubuntu and Mac machine. In Ubuntu, I did the lsusb command but it does not show up. I was in the process of fixing ...
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11 views

Triple boot windows 8.1 ubuntu 14 and kali linux

I currently have ubuntu and windows 8.1 installed. I have the grub 2 bootloader. I just want to know how to get kali linux on my machine too, I am a newbie. Can someone make a video for me or show me ...
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1answer
39 views

Distraction-free Linux distro [on hold]

I think this is an OK place to ask this, but if not, please tell me where I should post it. I'm a student who is easily distracted by any notifications that come on my computer. So, I want to install ...
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0answers
18 views

How to capture a memory dump of a frozen machine?

My Ubuntu PC froze, and I have important unsaved work open. Is there any way to capture RAM contents? Maybe by using another machine, or by cutting power and instantly restarting but not letting the ...
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1answer
16 views

Linux Mint 17 - Boot Up Mint Icon Becomes Purple Ubuntu Screen After Removing Packages

I just installed Linux Mint 17 Cinnamon. The first few times it booted up, the Mint icon was displayed while booting up. I then removed some applications using the Software Manager (e.g. ...
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0answers
15 views

Dual boot, 4 disks, raid0

I have windows 8.1, and ubuntu 14.04 on the Disk 0. On ubuntu the four disks are merged. on windows i want to merge disks 1,2,3 (the windows half). but when i click to new striped volume, it says ...
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1answer
14 views

sysvinit postfix startup script - only called with “status” argument

I'm having a problem with postfix not starting up on boot. boot.log doesn't show any information whatsoever. Starting the postfix service afterwards works as expected. I added debug information to ...
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39 views

Some transcoded streams delayed or not playable from ffmpeg

Some of the audio files in my music collection are unplayable when transcoding them using ffmpeg. Most audio files transcode nicely using the default settings for my Subsonic media server. I'm pretty ...
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Why can't I suspend Ubuntu 14.04 (running from USB3) anymore?

I'm running Ubuntu 14.04 on an USB3.0 stick (Sandisk Extreme 64gb, both /root and /home are on it) as my portable development environment, mostly on an Asus N56VZ laptop. Recently, Ubuntu fails to ...
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1answer
16 views

Is there such a thing as a universal autorized_keys for 1 ssh_key to work on all accounts on a machine?

I run a webserver so I'm constantly making new accounts for new domains and logging into them over ssh. Is there a way that instead of pasting my id_dsa.pub file into a new authorized_keys file on ...
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32 views

C program error in gcc compiler using ubuntu [on hold]

I ran c program using gcc compiler in Ubuntu 12.04 but whenever i run my program it shows virtual memory exhausted error to me through Ubuntu terminal. Please help.
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1answer
438 views

Where is the software RAID information actually written?

Like title says, where is the actual information which specifies which disks are being used, what order, etc...? I noticed while installing a linux distro that it was detecting a RAID array without a ...
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0answers
7 views

Without create Ubuntu user connect to SVN through Eclipse on Windows

this is my first question in superuser. I have a Subversion server running on an internal server(Ubuntu 12.04). I'm trying to connect to it through SubClipse (Eclipse) on Windows. I read ...
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1answer
33 views

How to split window in Windows 7, like in Ubuntu Nautilus (F3 key)

I love the Ubuntu feature when I press F3, two windows appear so that I can drag and drop files between different folders. Can I get this functionality in Windows 7? Like an extension or something? ...
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12 views

USB drive stopped working

My USB pen drive (A-data UE700 64GB) suddenly stopped working. I tested it on few PCs (every one with Linux) and it doesn't work on any of them. The device isn't even mounted. It used to work alright ...
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0answers
8 views

Keep ATI (fglrx) and NVidia (nvidia-current) Drivers on Ubuntu 14.04

I'm using Ubuntu 14.04 on external disk and 2 computers with ATI and NVidia driver each. Actually I'm using nvidia proprietary as main driver and did not install ATI driver. But after upgrade a day ...
0
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1answer
9 views

No kernel messages are logged to kern.log

I am trying to configure rsyslog. Ultimately, I want to have a log file of dropped packets but I can't get rsyslog to log properly. /etc/rsyslog.conf looks like this: # /etc/rsyslog.conf ...
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1answer
15 views

Logging packets with iptables

I am not all that experienced with iptables, but I am trying to log dropped packets. From what I have read log messages created with iptables are supposed to be written to /var/log/kern.log. My issue ...
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5 views

PuPHPet, Vagrant networking through proxy

I'm learning PuPHPet, Vagrant and Laravel homestead I've ElementaryOS Luna installed. I've downloaded and installed Virtualbox, Vagrant, vagrant plugins and then I built an Ubuntu 12.04 machine with ...
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1answer
23 views

Starting gnome-shell with different home

In the company I work for we have home directories mounted by network filesystem. Like all networks our lan can be slow or unreliable at times. Most of my system deals with this kind of situation but ...
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1answer
28 views

Cannot change directory into home directory, although permissions are set correct

I guess I need some help from an advanced Unix user... On a Ubuntu System I did something stupid. I typed sudo chmod 774 .* or the like, in a subfolder of my home folder and then I suddenly could not ...
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1answer
14 views

instalation ffmpeg in Ubuntu

I am using following steps for installing ffmpeg-php extension in Ubuntu Download ffmpeg-php-0.5.2.1.tbz2 extract it go to this directory run this "phpize" ./configure && make but when I ...
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1answer
41 views

Can not access localhost by external ip

I know there are various documents available on web giving the steps to do this but I am not able to fix the problem -- I have an angularjs project which is running on localhost (and os is ubuntu ...
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1answer
12 views

Expose a Reverse SSH Tunnel on the Remote server

I set up a Reverse SSH tunnel from my home computer to my work server: ssh -f -N -R 19999:localhost:22 remoteuser@server To connect to my home computer I have to first log in to the server and then ...
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0answers
10 views

Uninstalling dual-boot Ubuntu with MBR on separate partition

I have both Win7 x64 Ultimate and Ubuntu installed in dual-boot on a single disk and now I want to uninstall Ubuntu and keep working with windows. Windows was the first OS that got installed and it ...
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24 views

How can I dual-boot Ubuntu 13.10 64-bit with Windows 8.1 in Legacy (BIOS) Mode?

I bought my laptop almost a year ago, came with a FreeDOS OS and I installed Windows 7. Later upgraded to Windows 8 & 8.1. When I installed Windows 8, I had done it in Legacy (BIOS) mode and ...