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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Have network always wait for a network connection?

Just as the title says, is there a way to tell Ubuntu Server to constantly wait for an ethernet connection after it gets disconnected? Use case: Ethernet cable gets unplugged (intentionally) for a ...
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229 views

Dual/Triple Booting with dmraid and non-raid disk

I currently have 3 hard drives in my computer The first two disks are in a RAID-1 array, using an Intel P55 chipset, and accessed through dmraid, with the third drive partitioned like so: Filesystem ...
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220 views

Unable to login due to invalid screen resolution

I changed the screen resolution on Ubuntu 12.08 using the GUI, but I think I've changed it to an unsupported resolution, and now the system logs me out immediately after I login. I tried using xrandr ...
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263 views

Booting Laptop with external monitor stalls

Whenever I try to boot linux with an external monitor attached to my laptop, it hangs after checking the battery state with the following message repeated several times: ...crtc_helper_set_config... ...
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320 views

No sound with fresh Kubuntu install

I've just taken the plunge and installed Kubuntu as my main desktop env but I can't get the sound to work, and was wondering if anyone would be so kind as to help me work out what the problem is. I ...
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473 views

How do I install hgview on Ubuntu?

I'm trying to install hgview on Ubuntu, but it's not working. $ hg version Mercurial Distributed SCM (version 2.1) (see http://mercurial.selenic.com for more information) Copyright (C) 2005-2012 ...
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333 views

Configuring multiple static IP addresses for a disk image

Using Ubuntu 10.04 I'm using Clonezilla to create and install a customized image. I'd like to be able to set up multiple static IP addresses. For example, I'd like the first interface to have the IP ...
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161 views

Can you use grub to boot a RW partition file stored on a FAT32 HDD?

This is a bit tricky question. I have a Ubuntu 11.10 installed onto a USB 16GB Flash drive. I used the Ubuntu installer to do this. It runs great! Except the I/O is slow. I also have a 250GB USB ...
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548 views

Bluetooth was working but just stopped?

I recently upgraded to the latest FGLRX driver on my MacBook Pro and I noticed that Bluetooth was having some issues afterward. I tried reinstalling bluetooth and bluez, but it didn't seem to fix ...
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213 views

Why doesn't GoogleTalk plugin recognize my camera, even with v4l?

The thing is that I have GoogleTalk plugin, also used for Google+ hangouts, and it works in my netbook, on Ubuntu. But on my laptop, using the same Ubuntu (Oneric) and having used the camera on Cheese ...
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548 views

Bluetooth auto-connect not going through

I finally got Bluetooth working on my late 2011 8,3 MacBook Pro running 11.10-amd64 Ubuntu. However, I'm having some weird problems that I've noticed were pretty global across what I was doing. ...
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134 views

Program does not terminate when called from udev

I've written a program in C#/Mono that probes a device to determine if it is a modem. The program works fine from the command line. However, when it is called from PROGRAM= in a udev rule, the ...
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15 views

Custom ubuntu install to enable wifi on inspiron-1501 w/o wired ethernet

I am helping a small non-profit install ubuntu on some (40) donated inspiron's. To get wifi running I need to install some additional packages: b43-fwcutter firmware-b43-installer. I would ...
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6 views

How to check if Nginx + Ruby on Rails web application is down?

I am very new to *nix system. I have below setup: OS - Ubuntu 14.14 Web Server - Nginx with Passenger Web Application Ruby on Rails web application Please tell me what tools to use to achieve: ...
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15 views

Where am I supposed to put PyCharm files?

I've just downloaded PyCharm (pro) for Linux (I'm running Ubuntu). It's basically a zipped directory containing everything it needs to run (tree below), including an entry point (bin/pycharm.sh). ...
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21 views

Can't boot Windows XP from Grub2 in Ubuntu 14.04.2

I can't boot my Windows XP OS on a dual boot with Windows XP and Ubuntu 14.04.2. I already tried the command update-grub without improving. I can see the menu entry in Grub but when I choose Windows ...
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29 views

Where does Debian (Ubuntu) store key mappings?

I've just replaced my Debian installation with Ubuntu today. In my old setup, I configured the Caps Lock to work as another ctrl, but I can't remember how exactly I did it before. However it got ...
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26 views

Ubuntu Linux with Zimbra can't send to Outlook

My issue is strange, in that my email server can receive messages from any domain and can reply to every domain except Outlook/Hotmail. Outlook/Hotmail addresses always bounce back and never give us ...
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15 views

Can you install a Smart DNS server on Ubuntu server?

I'm a fan of smart-DNS services like "unblock" and so, as it gives me the VPN functionality (the part of the functionality that I need..) and saves me of server resources, such as traffic. I was ...
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26 views

Linux Driver for USB “reverse” mass storage device

I'm developing a USB device that I want to read and write in virtual filesystems that are in my computer. Basically the device needs to be able to read, write and get the virtual filesystem size. Some ...
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22 views

Install linux os on HP iPAQ Pocket PC h4350

A friend gave me a working HP iPAQ Pocket PC h4350. It works fine (it's really nice device) but has a (UGH!) Microsoft os and only syncs with MS pc. I'm running ubuntu mate. I have found that you can ...
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11 views

Iprint client on ubuntu

I installed ubuntu on my computer at work. I would like to use the iprint client and followed these steps. However, if I try to run the listener in /opt/novell/iprint/init.d it tells me: Can't open ...
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28 views

Elementary OS: Accidentally installed Ubuntu Login Screen

When I restarted my Elementary OS Laptop today I was shocked, because I was on an Ubuntu-styled glitching Login Screen. I guess I accidentally installed it, by trying to get ubuntu-tweak-tools on my ...
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24 views

Latest version of Ubuntu Won't login to GUI

I'm assuming this is an issue with UNITY because I can log in just fine at the command line. When I boot up my most recent kernel, I enter valid credentials but It just keeps kicking me back to the ...
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20 views

Themes app not showing preview for installed GTK themes (Window borders and Controls) in Cinnamon

I have installed Cinnamon in Ubuntu using a ppa. The problem I have is that newly installed GTK themes won't show previews in Themes application. Here are the screenshots. .As you can see the Window ...
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34 views

Upstart job does not trigger (Xubuntu 14.04)

I'm in the process of learning how to use Upstart. I wrote a simple job as a test (file is /etc/init/uptest.conf), using a custom event to trigger it manually: start on uptest task exec touch ...
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35 views

How to disabled nvidia graphics card and start using intel hd 4600

I use UBuntu 14.04 LTS. I have cpu i4790k with hdgraphics 4600. How to disable my nvidia graphics card and start using intel hd 4600 ? Should I change something in bios or it is possible from the ...
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7 views

auto boot a java app fullscreen on lxle

I just downloaded a base version of LXLE. How can I configure the system whereby on startup, it'll launch a java app full screen (covering everything possible). The only way to navigate out of it is ...
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61 views

UBuntu 14.04 LTS - switching between nvidia proprietary driver and nouveau driver

I use Nvidia proprietary drivers but I also have installed nouveau driver. How to switch to nouveau driver and then back to nvidia driver without uninstallling drivers ? Reboot is acceptable. By ...
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21 views

Oracle VirtualBox Virtual machine automatically goes pause state

Virtual machine goes Pause state Automatically. And Error message shows in one box " An error has occurred during virtual machine execution! The error details are shown below. You may try to ...
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20 views

Custom Copy Function?

I want to be able to select text in a browser, file, etc, use a shortcut and send that text to a file. The idea is, select an YouTube URL, hit CTRL + [button], the URL gets saved in a file and then I ...
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30 views

multicast routing (forwarding) using mrouted from OpenVPN tap interface to LAN

Brief network diagram: Host "S" < Tap OpenVPN > Host "C0" < eth0 > Physical Switch < eth0 > Host "C1" According to mrouted document, it doesn't need to config anything for receiving ...
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27 views

Graphic glitches: Linux vs. Hardware, who is guilty?

I am having serious graphics glitches on my Ubuntu 14.04 LTS install on my new Thinkpad X201 i5 540, 2x2GB RAM. I tested the Memory Changed the kernel (3.14, 3.19) Did a BIOS update The glitches ...
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“VPN connection failed” when ufw is on even if there are no rules in ufw interface

Ubuntu 14.04 After update related with ufw and switching nvidia drivers back and forth, suddenly, I can't establish VPN connection to internet. I've deleted all rules and reseted profile in ufw ui but ...
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27 views

ubuntu lts and cgroup support in iptables

I don't understand why Ubuntu community built iptables without cgroup support and what I don't understand if community didn't make it? Maybe Ubuntu use another some way (iptables without cgroup etc)? ...
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31 views

can I boot ext4 usb stick with xubuntu on from a Mac laptop?

is there a way to boot my ext4 formatted "xubuntu" USB memory stick from a Mac laptop? The laptop can identify FAT32 usb memory sticks with ubuntu at boot time, but it cannot identify mine, which is ...
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28 views

Using Ubuntu as a SOCKS Proxy for Torrents - How to allow UDP for trackers?

This is my build: 14.04 LTS (GNU/Linux 2.6.32-042stab094.7 x86_64). I'm a complete noob at linux but have some experience in bind and ISC DCHP on some old solaris boxes (to define the audience!). I ...
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27 views

Ubuntu K/FreeBSD

I was wondering if it is possible to alter Debian K/FreeBSD so it becomes Ubuntu? I know there are builds of Debian 7 running on FreeBSD, so would it be possible to get a working Ubuntu system with ...
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17 views

Permission of any file folder set to read only on upload

I have inherited an old CMS system that I have just cleansed from a massive hack attack. I copied all the files and databases, scrapped the old server, cleansed the files via various means, cleansed ...
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36 views

Debian setup launching GRUB bash

I have a little problem with setting up Debian. When I boot from the installation USB in UEFI mode, I get the GRUB command line. If I type in "boot", I get Please load the kernel first. I had Ubuntu ...
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85 views

Ubuntu: freezing on startup

I recently installed Ubuntu 14.04 on a new ThinkPad laptop as a dual boot with Windows 8. It has been running for a few days without issue. However, when I booted my computer today, it got stuck on ...
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10 views

Apcupsd loosing connection with ups and couldn't be stopped

We've discovered that sometimes apcupsd loosing connection with ups. We can not find why, but we've discovered that when we trying to shutdown apcupsd with /sbin/apcupsd stop It gives following ...
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25 views

Isolating some CPU cores reduce average CPU usage of game servers

Hardware: FX8320 (8 cores) @ 4.4GHz, 16GB I run 10 TF2 game servers. Few days ago I isolated some CPU cores with line in linux grub config: isolcpus=5-7 The strange thing - individual CPU cores ...
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61 views

Change default OS loading

Installed Ubuntu 12.04 Feb 2014 - upgraded to 14.04LTS. I believe there is still remnants of older OS's still there somewhere, (they appear on the Grub multi-boot menu at start up). An earlier ...
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16 views

Squid: no authentication when visiting HTTPS websites

I have setup Squid and everything is working. I am now trying to setup a password and all tutorials refer to a file called 'ncsa_auth'. Unfortunately, I do not seem to have this file. I checked in: ...
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108 views

Problem selecting update sources by GUI (*Software&Updates - Updates*) in Elementary OS Freya (*ubuntu 14.04)

[Although I trust this is ubuntu-specific, it is cross-posted here for the moment, as the initial askubuntu post was closed (for being eOS-specific)] I am in eOS Freya stable, clean install. I had ...
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69 views

installing mongodb with linuxbrew

I want to install mongodb with brew in ubuntu 15.04 but despite several attempts to install i can't do that, even if I completely remove homebrew and reinstall it. when i type in terminal : brew ...
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45 views

connecting to virtualbox ubuntu from osx extremly slow

I am running ubuntu 10.04.x as guest on virtualbox from osx x 10.10.x host It works (kind of), but after working a while with it and also after power sleep it can get almost unusable slow. It looks ...
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23 views

Why can't I connect to 5ghz?

In "Edit Connections" I chose mode "Infrastructure". In router page (BT Home Hub), it shows that my android phone is connected to 5ghz, and my laptop still uses 2.4ghz. What can I do?
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24 views

Postfix problem with sending and receiving emails

I have had problems for one week with the email server Postfix. This came after running the antivirus ClamAV with the remove option on. When reading the mail log I keep getting the error message ...