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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Combine free space Ubuntu

I want to "merge" or combine a free space that i have on my main Ubuntu partition, i have tried with Gparted but i can't resize the main partition. This is the results of fdisk -l: Device Boot ...
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2answers
20 views

How to make sure that repositories added to Linux Mint are safe and secure

I’m using the latest version of Linux mint which based on Ubuntu, I have installed many programs by adding a new repository to the list of checked repositories. Now I’m worried of how safe these ...
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5 views

Ubuntu 12.04 doesn't see the second monitor

I've got vanilla Ubuntu 12.04 lts, GeForce GTX560 and Core -i7 2600's integrated card (on desktop based on ASUS P8H61-MX). The system seems to detect NVidia videocard (lspci shows that there is ...
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1answer
11 views

tmux / screen ctrl+arrow (left right) doesn't work on SSH

I've configured tmux to skip words on Ctrl+right / left : set-window-option -g xterm-keys on It works just fine, but as I do SSH, it doesn't work and prints ;5D or ;5C.. The same issue occurred ...
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1answer
16 views

Missing WIndows 8 entry in Grub2

http://paste.ubuntu.com/10418271/ I am install Ubuntu alongside Windows8. 1) Should I setup UEFI or legacy support in BIOS setting 2) I used boot-repair but Windows entry is not showing up.
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10 views

File move issues within share - Windows 7 client, Ubuntu 14 Server

We've got a setup where files are shared from an Ubuntu 14.04 server to Win 7 clients. We're struggling with an issue moving files around sometimes. It goes something like this: Create new ...
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1answer
17 views

Can't sudo because password is disabled

So, in my attempt to prevent the default ubuntu user from logging in, and to prevent the default sudo user me from logging in with a password, and thus enforcing to use the private key, I managed to ...
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8 views

Tomcat startup failure with no error output in log that I can find

Sorry, this is long, here is a brief summary: I installed tomcat7 on an Ubuntu 14.04 VPS, it worked (serving the "tomcat was installed" page) until I changed the group owning /etc/tomcat7 to tomcat7 ...
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1answer
7 views

tightVnc Viewer: no connection could be made

I have a VPS running ubuntu 14.10, I correctly installed VNC which ran fine for one day. However yesterday when I tried to connect to my VNC using tightvnc viewer it said no connection could be made ...
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7 views

what mount points can be ro on an remote headless linux box?

I have a linux box running headless and I can't ssh into it. It runs some binary X i wrote and occasionally performs system update by flashing a complete disk image to a backup root partition B. I ...
0
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1answer
10 views

SanDisk Sansa device on Ubuntu: where did the music go?

I have an old Sansa Clip mp3 player that I used to use. I dual-boot Windows and Ubuntu, and I know that the Clip works just fine on Windows and that there are a variety of questions about the Sansa ...
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1answer
8 views

How to remove entries from lsblk?

I have an AWS EC2 instance and I tried to attach and mount couple of EBS volumes on it. Somehow mount command was taking very long time so I deleted those volumes using AWS console. Now problem is ...
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1answer
24 views

Ubuntu 14.04 does not boot from USB

I have emachines e732g, SSD with windows 7 64 and HDD, on which I want to install Ubuntu 14.04. I try to create liveusb with help Universal-USB-Installer and unetbootin-windows-608. But my BIOS does ...
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1answer
18 views

Notebook makes known for linux support [on hold]

I'm planing on buying an windows notebook, but I want to install ubuntu on it and use it as dual boot. I heard not all makes support linux, which one do?
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0answers
16 views

Ubuntu resolution not detected correctly

I recently installed Ubuntu on a dual boot with Windows, and I'm struggling to make Ubuntu detect correctly my resolution. I have a 1920x1080 screen, but when I run xrandr, I get this Screen 0: ...
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2answers
29 views

Can't install openssh under ubuntu 14.04

I am just trying to install openssh-client and openssh-server on my Ubuntu 14.04 machine. When I do sudo apt-get install openssh-client I get the following: http://pastebin.com/YJp04iin (I ...
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2answers
76 views

Java development in osx vs. ubuntu

In my job I do 60% hands on coding and the rest is divided between biz-dev and product. I've been using Ubuntu for the last 5 years and I've been extremely happy with the experience. especially when ...
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0answers
18 views

How to fix Ubuntu 14.04 suspension - abruptly suspends and after manual suspension unsuspends

I had a problem when I closed my lid the desktop did not suspend so I read this post however this did not help so what I did is to rollback now my files looks as attached below. However now I have two ...
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0answers
30 views

Incorrect CPU temp on AMD A10-7850 APU (Kaveri) on Ubuntu Linux 3.16 kernel

My machine has an AMD A10-7850K APU which runs very nicely. I installed Ubuntu 14.04 when it was released, however it launched with the 3.13 kernel which did not have official support for Kaveri ...
0
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1answer
19 views

How to get latest version of git?

I am running ubuntu 14.04 LTS, need to install git 1.9.5 or above. I did sudo apt-get install git then ran git --version and it shows I currently have 1.9.1 installed. Git download url shows latest ...
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2answers
32 views

How to run a script after startup on Ubuntu 14.04?

I have scoured the web and tried numerous solutions. Nothing has worked for me so far, hence this question. I have a rails application that I run with mongrel_rails start -e production -p 80. That ...
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0answers
15 views

Ubuntu 14.04 not detecting my disks on boot

After successfully booting and running an installation from a Ubuntu Live USB, I can’t boot the new system. The initramfs /dev directory is never populated with sda and sdb, my disks. They don’t ...
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0answers
16 views

Samba: “A device attached to the system is not functioning”

All of a sudden, my samba server (version 4.1.6-Ubuntu running on Ubuntu 14.04) won't allow connections from my PCs. Anytime I try to access the server (e.g., \mydomain.com) or the specific share ...
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0answers
19 views

Block web sites for VPN clients

I installed IPSEC L2TP VPN Server on Ubuntu 12 x86 vps machine. I want to block some web sites for clients connected to VPN Server. So, changed hosts file in Ubuntu to block accessing unwanted web ...
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2answers
27 views

Installing CentOS from bootUSB with two ISO files

I want to install CentOS upon Windows 8(dual boot) replacing Ubuntu 11.04. I have two ISO files (dvd1 and dvd2). Suggest me ways to install the OS from USB. I tried using Unetbootin but it is not ...
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0answers
26 views

How to delete the 2nd bootloader created by EasyBCD and leave GRUB?

I have two bootloaders now; I have the GRUB and the EasyBCD that I've created before the Linux was installed properly. After reinstalling Ubuntu for the 2nd time, the GRUB came right, but now that I ...
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0answers
6 views

Error report when hibernating ubuntu/thinkpad

When I hibernate my laptop (Thinkpad T440p with Ubuntu 14.10 (64Bit)) it shortly blinks the following error message before hibernating. The system itself is relatively virgin. With the following ...
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0answers
14 views

Edubuntu stuck on installation

I've had this problem using multiple discs on multiple drives on this one computer. I'm trying to install edubuntu 12.04 on an old desktop. It boots to the disk, I select english and then "install ...
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0answers
10 views

chromebook with ubuntu with trusty and unity envioment

When I'm playing minecraft on my my Linux OS and hit "left ctrl + space" I like un-select from the game and my cursor reappears. Really annoying and I need some help, very inexperienced.
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1answer
39 views

Can I use “gksu” to became root for CLI operation?

I don't care if this is unsafe, because I'm only doing it as a programming exercise, but that's what I want to do: I want to create a C program that, with the "system" command, will call dpkg and ...
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0answers
6 views

Can't view videos on Ubuntu from handycam

I'm running Ubuntu 14.04, and I uploaded a few videos to my Ubuntu from an HDR-CX240 Handycam, but every time I try to view my videos, the audio only plays for a few seconds and stops, while the video ...
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14 views

Testing network application with virtual network and artificial latency

In order to test a network application in a controlled manner I want to create some sort of virtual network on a single machine in which I can control latencies. (I am running Ubuntu 14.04 x64). I ...
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0answers
31 views

Disk identifier: 0x00000000

I have a little problem with copy ISO into my Usb. If if copy a disk image downloaded from the ubuntu web site, all it's great: dd bs=4M if=Desktop/trusty-desktop-i386.iso of=/dev/sdb && ...
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1answer
24 views

How do I dual-boot Ubuntu 14.04 with 3 drives?

At the moment, I currently have 2 drives installed in my machine. A 64gb SSD that contains Windows 7, and a 1TB HDD that contains all other data (such as most programs, downloads, etc). Is it possible ...
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0answers
42 views

why windows boots slower than linux? [on hold]

I have Windows 7 and Xubuntu, use the same software (Clementine, Thunderbird etc.), but Windows boots 4 times slower (3-4 minutes) then Xubuntu (1 minute - 40 seconds). When I say boots - I mean the ...
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1answer
26 views

Atheros QCA8171 not working in Ubuntu 14.04 [on hold]

I’ve just decided to move to Ubuntu 14.04 with my Toshiba L50-A-19M and a Wi-Fi board Atheros QCA8171, yet I can’t connect to my home wireless network. Please, give me some hints to get the board ...
0
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1answer
33 views

Cannot mount NTFS partitions because of Windows 10?

I have a multi-boot computer, one of the partitions is taken by Windows 10 technical preview and another one is also ntfs. Booting in an Ubuntu-eOS system I get this errors when trying to mount these ...
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0answers
38 views

Why does Google Chrome (v40) has so many processes open?

I've recently upgraded my Google Chrome to the newest version (38 -> 40) and I'm experiencing system level crashes. This mostly happens when I have two windows and more than a handful of tabs open. ...
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1answer
24 views

How to install Ubuntu 14.04 LTS alongside Windows 8.1 on Lenovo IdeaPad?

I’m not understanding the option to install Ubuntu alongside Windows 8.1 as dual boot. I know how to run the Ubuntu LiveDVD without installing. Can anyone guide me on how to install Ubuntu along with ...
0
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0answers
17 views

Windows 7 emulate wifi pci card as usb

I have a pci wifi card which I want to share with my ubuntu guest (virtualbox) so that it can act as a wireless router. I know that virtualbox doesn't allow pci passthrough so is there some software ...
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0answers
12 views

Why (sometimes) I cannot access ubuntu server from IPSec client

My home network topology is: [My laptop] ipsec ip: one of 10.0.0.0/24, internet ip is dynamic from ISP | | <-- internet --> | [My router] running openwrt, LAN ip is: 192.168.1.1, ...
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0answers
7 views

Searching a application name returns “sorry no match” in Ubuntu 14.04

It was all working well in my Ubuntu 14.04. Suddenly I couldnt search any apps through search(by pressing super key). I used to type "Terminal,System Monitor" and it will display those apps. But ...
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0answers
8 views

How to install qbittorrent from the source?

I'm using Ubuntu 12.04 LTS, and I'd like to know the steps of source installation of qbittorrent. I know that some of you might say why bother yourself when there's .ppa, but I really want to learn ...
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0answers
18 views

Can't access some websites

I have a networking/dns problem in my laptop. I can't access some websites. For example www.accuweather.com I am using a wireless connection. The issue is just in my laptop. I can access the sites ...
0
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1answer
23 views

What is the executable /usr/bin/host on linux good for? Can I kill it?

So I had a compromised /usr/bin/host process running and trying to open HTTP requests out of my machine. I killed it. But now I am wondering. Do I need /usr/bin/host for anything? How do I re-install ...
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0answers
16 views

How to make netstat on Linux only show OUTBOUND tcp connetions?

My Ubuntu server is infected and there is a process making a bunch of HTTP requests to a bunch of websites. I have added the following to my firewall (UFW): sudo ufw deny out proto tcp to any port ...
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1answer
30 views

Unable to boot from Windows Vista DVD on Dell Inspiron 1525 laptop

My Dell Inspiron 1525 laptop doesn't boot from Windows Vista Reinstallation DVD provided by Dell itself. This is an old laptop and I plan to resell it. So I boot from an Ubuntu LiveUSB and do a full ...
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0answers
3 views

Network Epson printer prints a page of configuration details instead of job on Linux Mint and Ubuntu

I've tried using lpr and the GUI menus in Writer and Document Viewer in Linux Mint and Ubuntu. The printer is EPSON XP-200, connected by network. lpstat -a lists it as accepting requests. Each time, ...
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1answer
32 views

Graphical code editor WITHOUT syntax highlighting [closed]

I want to try how development goes for me without any syntax highlighting. Is there a GUI editor for that in Ubuntu? It'll also work if someone can tell me how to disable syntax highlighting in ...
3
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0answers
18 views

Rebuilding FakeRAID RAID 5 with new disk, no partitions show up, invalid PMBR

I have a RAID 5 array with 4 2TB disks on a HP Z800. One disk failed and was swapped out for a new one. I went into BIOS Intel Storage Matrix Utility and set the Array to rebuild with the new disk. ...