Free, open-source operating system based on Debian GNU/Linux. Ubuntu questions are on topic here, but if you prefer an Ubuntu-only audience there is AskUbuntu.com.

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print lines containing limited words in the second field

I have a symbol table of the form M07UP49A0870I422.wav <s> haraa keelaa <bn> </s> M07UP49A0870I423.wav <s> <horn> jau <babble> </s> ...
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11 views

Allocate more RAM to VirtualBox VM on hard disk

I downloaded VirtualBox on MacPro running El Capitan. My VM is a 64-bit Linux Ubuntu, which I recently copied to a hard disk with 32 GB memory. I want to give the VM all 32 GB of RAM, but VirtualBox ...
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4 views

Windows boot manager was destroyed after installing Ubuntu 14.04

I tried installing Ubuntu 14.04 in Lenovo G50 which runs on Pentium processor. The system already had Windows 8 (manually installed). I separated 50 GB from a partition and turned off Fast boot and ...
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1answer
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Ubunut 14.04.3 LTS network stopped working on VMWare

After restart, networking suddenly stopped working and I'm unable to connect to internet. ifconfig -a eth0 Link encap:Ethernet HWaddr 00:0c:29:c9:1a:f3 inet6 addr: ...
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7 views

Update ubuntu's 'make'?

I am trying to update 'make' from 3.8.1 to the recent version. I have tried: sudo apt-get update sudo apt-get install make But I am told that 'make is already the newest version. What can I do? I ...
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List the monitors physically connected to remote computer (make/model details)

If I were sitting in front of the computer I could run xrandr --query in terminal but this doesnt tell me the make/model (at least i know something is connected) but while remote (using ssh) I receive ...
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2answers
32 views

How can I boot into Ubuntu where grub was removed?

Here's my situation: I installed Ubuntu on my work laptop on a partition before IT implemented whole hard drive encryption via bitlocker. I had to do some quick work when IT announced they were ...
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1answer
5 views

Why can't Ubuntu read external volume files after I recursively { chmod +r and remove ACL }?

The commands I used are: sudo chmod -RN /volume and sudo chmod -R +r /volume The external volume is a backup of OSX home folders. The above made it only possible to read what contents is in the ...
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Track the calls of a command

To quickly explain the goal of my question, I use Ubuntu mate with an apple keyboard. To make the keyboard working properly, I had to remap some keys using xmodmap, such as interchanging the #/@ with ...
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1answer
18 views

Changed “path” variable in Ubuntu Linux and basic commands have stopped working

I'm using Ubunut 14.04 (as a virtual machine). I installed TeX Live system over the internet. Once the installation of TeX live finished, it said Most importantly, add ...
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8 views

Bitnami edx cypress ubuntu server ip address is not browsing in local host browser

I have install vmware workstation 10 and open virtual machine bitnami_edx_cypress -4r02-ubuntu-14.02. In ubuntu typed ifconfig, nothing is come then I changed network adaption as NAT then typed ...
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10 views

Show details on Windows and Ubuntu boot screens?

I want the boot screens (at 640x480 resolution) to show a scrolling list of startup events, along with: "per-event" and "total" progress bars, each with percentages and "number of drivers ...
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1answer
23 views

Why does Amazon Video works on Google Chrome but not on chromium (Ubuntu)?

I tried firefox, opera, chromium and google chrome. Why does amazon video only works with google chrome?
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How to create an ISO image of my VMware Fusion Ubuntu and install it on a desktop machine?

I am running VMWare Fusion on my Mac and have an Ubuntu virtual machine running in it. Now I would like to copy this virtual machine into a proper desktop machine. Is it possible? If yes any resources ...
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18 views

how to install ubuntu server on a new computer? [on hold]

I new to ubuntu linux and planning to set up home server using ubuntu. this home server will be used more like media storage, laptop backup, network print, file sharing and plex. Also I would like to ...
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1answer
39 views

Dell Inspiron R15 3521 BIOS doesn't show the option to boot from USB

Secure Boot is disabled and I'm on Legacy Boot right now. When I go to Boot settings there doesn't seem to be any option to boot from USB or even add that as an option. (I have tried two USB 2.0 and ...
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0answers
11 views

Going up a directory in Nautilus' location bar

I am trying to go up a directory in Nautilus' location bar. For example, I start here: I then give focus to the location bar, type .. and hit enter, but it brings me to the first folder in the ...
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17 views

avconv - Error for scale filter

I'm trying to rescale a video via avconv with the following command: /usr/bin/avconv -i /home/user/video.mp4 -filter:v crop=960:720:160:0,scale=h=498:w=-1 -an -y -frames:v 1 media/image.png But I'm ...
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0answers
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How do I install GRUB as a boot loader when I currently use Mac OS X (Yosemite)

I currently have a Hackintosh running Mac OS X Yosemite. I'm in the process of updating it to El Capitan any day now. I have an empty drive slot that I'd like to install Ubuntu onto. I'd like to use ...
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1answer
14 views

Unable to load nvm commands via SSH [Ubuntu 14]

I know there are quite a few similar questions around, but I am still unable to get this to work. If I try to run nvm install node, all starts to work again. ubuntu@*:~$ node The program 'node' can ...
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1answer
23 views

Dual boot Windows 10 / Debian 8

I messed up my Ubuntu installation, which is in dual boot with Windows 10, and I'd like to overwrite it with Debian 8. Should I just format the Ubuntu's partition and run the Debian's installer? And ...
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2answers
40 views

Cannot connect to local SSH server - bad file number

I have an Odroid XU4 with Ubuntu 14.04 server on it. I installed the ssh server with apt-get install openssh-server. I got the local IP with hostname -I, which is 192.168.0.186, I generated a random ...
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1answer
14 views

No boot menu for backbox

I have windows 10 installed on my C: drive which has 202 gb space. When I got my laptop it was mentioned with UEFI. I have a partition of 700 gb for F: drive from which I extracted 20 GB for backbox ...
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1answer
32 views

Ubuntu only uses 768 MB instead of 1 GB ram

The specs of my laptop and BIOS say that I have 1 GB (1024MB) of ram. But when I use Ubuntu it says that I have only 768 MB. Is there a way to use all the ram that I have? I have Asus K53U laptop ...
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Keyboard key presses showing up out of order (Ubuntu 15.04, Microsoft SideWinder keyboard)

I've noticed this for a while, but only recently tried to troubleshoot. Using the MS SideWinder keyboard on Ubuntu 15.04, which has n-key rollover, if I type words quickly I find that intermittently ...
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1answer
31 views

Can't dual-boot Windows 7/Linux Mint (UEFI)

This post is going to be kind of long because I've done a lot of testing. Until proven otherwise, I'm going to assume this incredibly bizarre issue is caused by my computer being haunted. I'm also ...
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6 views

Can't connect to wifi in both Windows and Ubuntu (but USB tethering works)

I just bought an ASUS K31AD desktop PC. I have both Windows 10 and Ubuntu 15. I can connect with my phone's USB tethering but not with its Portable Wi-Fi. What can be the cause of this? I used to be ...
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10 views

Mdadm raid gone after reboot

Mdadm raid gone after reboot. Will gdisk work on 6TB HDD's? Will some describe how to use "parted" to write "fd00"? Rephrased better
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15 views

Play stream with VLC on Ubuntu 14.04

I have Ubuntu desktop 14.04 with two NIC, eth0 and eth1. One is just for internet and the other one is on local subnet where multicast UDP stream is coming. Default route is on eth0, and multicast ...
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0answers
13 views

Auto-unmount NTFS partition when hibernating Xubuntu

I use a dual-boot setup (Xubuntu & Windows). My Windows has Fastboot and Hibernation disabled and my main OS is Xubuntu which i hibernate almost every day. I always make sure no NTFS partition is ...
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Just Installed Virtualbox on Windows 10 host, Cannot Load Ubuntu

Just installed 4.3.12, build 9926. For reasons I won't go into right now (extensive), the newest builds of VBox crash immediately in Windows 10 Home Edition. Build 4.3.12 will actually start Vbox ...
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Web Server redirect to old IP address

I have EC 2 instance , configured has web server used wiki-media to create page, along with EC 2 I used RDS mysql database server. At first it works fine , but when I stop instance & start it it ...
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Home network ADSL Modem to Ubuntu Server to Wireless Router

I've got a D-Link DSL2544N in bridged mode connected to my Netgear R7000 wireless router, with an Ubuntu dev server hooked up to that through an ethernet port (I'd upgraded from the D-Link and didn't ...
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0answers
8 views

Installing Qubes v3 along with Ubuntu14 on external USB HDD, fails

I partitioned a 2 tb usb hdd to: /boot 1gb, /ext4 999gb, /unallocated 500gb, /fat32 500gb. I installed Ubuntu in ext4 partition without any problems and installed grub in the same partition. The disk ...
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Trying to install liveusb-creator onto ubuntu

i tried following this tutorial: https://ifireball.wordpress.com/2011/10/14/running-fedoras-liveusb-creator-on-ubuntu/ , but i got this error: Traceback (most recent call last): File ...
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0answers
37 views

Networking not working due to MAC address in VirtualBox Ubuntu guest?

I have an Ubuntu VirtualBox VM guest under a Windows 10 host. At home I can connect to my wireless network and see the internet if I use bridged adapter, but not NAT. With NAT Ubuntu says I'm ...
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0answers
31 views

Can't print from Windows 10,7 to Ubuntu cups HP Printer for the first 30 minutes, but can print from linux

I have an HP Deskjet 1510 printer (the actual shop advertised it as a 1515 model, the windows driver provided was for a 1510 though). I am sharing the printer through samba and cups to the network. ...
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2answers
41 views

Problems with multiple static network interfaces on Linux

I have created 2 static interfaces, eth0 and eth1. Here's how my /etc/network/interfaces file look like. # This file describes the network interfaces available on your system # and how to activate ...
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Screen goes black with mouse after unplugging second monitor Ubuntu Server 14.04 fglrx

I'm running Ubuntu Server 14.04 with fglrx and dwm installed. The machine has an AMD R7 260X with two monitors plugged in, one to the DisplayPort, the other through a DVI-VGA passive adapter to one ...
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2answers
22 views

Error while updating date time automatically on Ubuntu

I'm trying to update Ubuntu's date and time automatically, but I get an error for all time servers: asia.pool.ntp.org north-america.pool.ntp.org europe.pool.ntp.org Public Time Server (pool.ntp.org) ...
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1answer
23 views

Ubuntu postfix sendgrid unknown mail transport error

I have configured postfix similar to this one: "Recipient address rejected" when sending an email with sendgrid $ /etc/postfix/main.cf smtp_sasl_auth_enable = yes smtp_sasl_password_maps ...
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0answers
14 views

Motion daemon causes 100% cpu when stopped

I have setup the motion video detection system on Ubuntu 14.04 and want to start and stop it via cron so that it's not capturing pictures when the room is normally in use. It all works fine until I ...
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0answers
18 views

Disk encryption with separate /boot partition

I'm trying to setup an encrypted filesystem with a separate /boot partition and I'm having some troubles and there's no a complete and definite guide about this topic. I'll write down the procedure ...
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0answers
10 views

How do I wait for network manager in init.d

I'm getting a startup error with the nmbd service. It can't bind to a particular port. However, if I manually bounce the service after the computer comes up, it's fine. I'm running Ubuntu 15.10. That ...
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Memory heirarchies and kernel boot options

I'm booting a Ubuntu 14.04.3 LTS server on a Core-i5 T5200U machine with kernel boot options agp=off ipv6.disable=1 intremap=no_x2apic_optout biosdevname=0 audit=0. When I inspect dmesg, I see the ...
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28 views

Set up MediaWiki to host more than one wiki

I'm working on Ubuntu and have no experience in about PHP or Apache. Now I want to setup wiki-family. I looked to Manual:Wiki family. There are some steps to do that. I could do first 5 steps but 6th ...
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1answer
24 views

Automatically delete all files in folder that gets over 10GB?

I have a small server from DigitalOcean ($5/Month) and I only have about 16GB out of my 20GB on that server. I'll be hosting a site that will auto download some small files (3-6Mb) and eventually the ...
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1answer
24 views

Permissions setting for home folder [closed]

What are the best practices in setting permission so that other user can't access my home folder? They should be able to login, ssh, compile programs etc.
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1answer
15 views

prerequirement for lvreduce to shrink a lvm disk

I am trying to shrink my Fedora 20 lvm partition/disk (only one partition) with lvreduce. I have done that for my VirtualBox but this time it is for a external USB disk. I have backup my disk already. ...
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2answers
77 views

How to properly empty a file

Ok, so I'm trying to empty a file. It's a text log file, which is being written continuously. My ls -lh says it's 3GB I run > file.log My ls -lh says it's still 3GB However the size of the ...