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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4
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0answers
105 views

locked Ubuntu screen - apps do not detect locked status

I use Ubuntu 12.10 but I did not really like Unity GUI because of performance issues and total inability to easily customize launcher. So I switched to Xubuntu, which is much faster BUT I have a ...
3
votes
0answers
73 views

SSD RAID in Haswell NUC with Ubuntu: Does TRIM work?

I want a low-power, small, silent x86_64 Ubuntu computer with storage that's resilient against hardware failure of a drive. I'm thinking of buying D54250WYKH or D34010WYKH, one mSATA SSD and one 2.5" ...
3
votes
0answers
41 views

Ubuntu won't boot with 4 hard drives

I got two HGST 4TB HDD's for my birthday and I'm trying to put them in my media center which already has a 128GB SSD and a 2TB HDD. The motherboard is an ASRoxk E350M1 which only has 4 SATA headers so ...
3
votes
0answers
73 views

dovecot WILDCARD SSL (certicate.crt, private.key, intermediate.crt) not working

I have installed dovecot and postfix and got it working, but when I change the ssl_cert_file, ssl_key_file and ssl_ca_file dovecot configuration to my WILDCARD SSL certificate (working on apache) it ...
3
votes
0answers
2k views

create video from jpg images using ffmpeg

I want to make short timelapse video using ffmpeg under ubuntu 12.04 LTS. I have a folder containing all images with names DSC_0000.jpg DSC_0001.jpg and so on. I found this question ffmpeg: create a ...
3
votes
0answers
567 views

Is it possible to run Corona SDK on ReactOS or Wine?

I dumped Windows, I'm now using Xubuntu. Is it possible to run Corona SDK on Wine? On Corona forums, they say no, but I wounder how this guy did it? Is ZeroBrane a solution? What about ReactOS (or ...
3
votes
0answers
328 views

Ubuntu PPA for collectd?

I'm looking for a semi-official PPA for recent versions of collectd (5.2+). There appear to be several possible matches, but I'm hoping to find the "right" one for production use which will keep ...
3
votes
0answers
2k views

Ubuntu 12.04 NoMachine Client-Side Resolution

I have been using OpenNX on a Mac to connect to a NoMachine 3.5 server on Ubuntu, and I was able to start a new GNOME session with the using the available screen area. However, this behavior changed ...
3
votes
0answers
1k views

Cannot make mobile broadband Vodafone USB connection Ubuntu 13.04

I have Ubuntu 13.04 and I bought yesterday a Vodafone USB stick for internet connection. I am located in Romania. This is what I've did: First Thing Network Connections, added connection. Selected ...
3
votes
0answers
543 views

Always show application menu bar in Ubuntu 13.04 Raring Ringtail

Is there a way to force the application menu to always be visible (as opposed to only showing when the cursor is hovered over the top panel)? I'm talking about the application-specific "File", "Edit", ...
3
votes
0answers
277 views

Linux guest VM can't use host's OSX anyconnect VPN

I'm using cisco anyconnect to get into my work VPN, that on Mac OSX Lion. I created a Xubuntu 12.10 VM in virtualbox and I can navigate the web while connected to the VPN in the OSX host, but I have ...
3
votes
0answers
221 views

Firefox spellcheck settings keep changing

The spell-check language setting on Firefox keeps changing to en_CA rather than the default of en_US. I change it back but it invariably flips... maybe in a few hours, maybe a few days. (It's hard to ...
3
votes
0answers
64 views

Seemingly inconsistent output from `top` re: Swap header vs. SWAP column

How should I interpret this seemingly inconsistent output from top re: swap? Running free confirms that no swap space is in use: $ free -m total used free shared ...
3
votes
0answers
365 views

Change windows files permissions from Ubuntu

I need to change a windows file permissions from Ubuntu, I found that article about it http://askubuntu.com/questions/195464/how-to-change-file-permission-from-ubuntu-wubi-install I did change that ...
3
votes
0answers
805 views

With Ubuntu 12.04 unlike 11.04 Wine installed application start menu links are missing

With Ubuntu 12.04 and wine 1.4 unlike ubuntu 11.04 with wine 1.2.2 installed application start menu links are missing. For instance with Ubuntu 11.04 including Wine I can install one of our Windows ...
3
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0answers
267 views

Export Power Point presentations to flash with control buttons on Linux

I need to export *.pps, *.ppt, *.ppsx, and *.pptx files to .swf files. On Windows I used iSpring for Power Point, and worked well. This is the result of iSpring: I am searching for an ...
3
votes
0answers
392 views

Ubuntu linux - new “MIDI” device diagnostic software?

I'm looking for software that will tell me if a particular USB device meets the MIDI standard. I have a new Madcatz wireless USB controller, that I suspect will need a special driver before it's ...
3
votes
0answers
82 views

Redmine contex-menu and member deletion/modification failure

I'm using Redmine 0.9.3.stable (SQLite) on my Ubuntu 11.04. It is all ok except for the context-menu and inability of removing the members from some project. Concerning the first problem, when I do ...
2
votes
0answers
51 views

ModSecurity WAF - Apache Wont Restart

I installed the Mod_Security module on my VPS server the other day. I moved the core rules to the activated rules folder, which didn't cause an error. But, when I put the commands in my ...
2
votes
0answers
15 views

Can I prevent newly installed programs from superceding existing file associations?

I use Kubuntu. Often when I install a new program it places itself at the top of the list for all applicable file associations. I generally want the new program to appear at the bottom of the list, so ...
2
votes
0answers
33 views

How to reduce file size in swf files?

I'm trying to reduce the file size in a swf file that is 17 MB in Ubuntu 14.10. I tried using swftools and avconv. When I did swfcombine -dz file.swf -o file_new.swf swftools only managed to ...
2
votes
0answers
79 views

Ubuntu fails to install cuda toolkit

I want to install cuda toolkit on ubuntu 14.04, so I downloaded cuda-repo.deb from nVidia site and then ran: sudo dpkg -i cuda-repo-ubuntu1404_6.5-14_amd64.deb But it fails. There are no error ...
2
votes
0answers
24 views

Issue generating redmine report in PDF

I am using Redmine for issue tracking and now I need to generate a report of all the issues and their states. The problem is that, when I press de PDF button at the bottom of the issue list, to ...
2
votes
0answers
47 views

USB does not work in Windows after boot Linux

I have a double boot of Windows 7 and Ubuntu 14.04 on my Dell Inspiron-15-7537 If I boot into Windows after I have been running Ubuntu my USB ports do not work, neither the USB 2 or 3 ports. However ...
2
votes
0answers
34 views

Courting Disaster with fakeRAID10 (Dual Boot Win7,Ubuntu14.10)

Over the past several weeks (!), I have been trying to set up a dual boot with Windows 7 Enterprise and Ubuntu Desktop 14.10. The motherboard is a Sabertooth x79, and I wanted to install everything ...
2
votes
0answers
101 views

How to automate running the dhclient for wwan0?

in Linux Mint 17 I have to run sudo dhclient every time I connect and disconnect to/from the Internet using a mobile broadband dongle, because otherwise the connection is declared active but when I ...
2
votes
0answers
70 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 ...
2
votes
0answers
31 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!
2
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0answers
42 views

How to Swap or Clone RAID 0 to Single HDD of 1 TB

The problem scenario that I am trying to accomplish. Currently I have a Ubuntu Server Setup with H/W RAID 0 with 2 * 2TB disks as 4T. However, we realized later that the server does not require that ...
2
votes
0answers
30 views

Do the temperatures indicate my laptop healthy?

The temperatures of my Thinkpad T400 are: acpitz-virtual-0 Adapter: Virtual device CPU_0: +57.0°C (crit = +127.0°C) CPU_1: +56.0°C (crit = +100.0°C) thinkpad-isa-0000 Adapter: ISA ...
2
votes
0answers
296 views

Unable to mount location after installing Linux Mint

I have been using Ubuntu for a while, but I decided to move to Linux Mint. I removed everything and clearly installed it. After the installation there are two parts which are File System and Toshiba. ...
2
votes
0answers
41 views

Edit bootable img file on mac OSx

I have downloaded a bootable image of ubuntu (7.95Gb .img file) for a Parallella (minicomputer), but its too big to fit on my 8 Gb micro sd card (which actually is only 7.8 Gb!). I would like to ...
2
votes
0answers
170 views

Ubuntu 14.10/Windows dual boot system reboots instead of shutting down

I have a Ubuntu 14.10/Windows 8 set up that, when I choose to shut down, the system powers down for a few seconds but then automatically restarts. The OS's are on two separate drives and the issue ...
2
votes
0answers
34 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 ...
2
votes
0answers
210 views

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 ...
2
votes
0answers
110 views

Files were encrypted by virus, and old (win 7) OS is gone - What Do?

So for the past few weeks I have been planning on switching from windows 7 to Ubuntu (14.04) with windows running in a VM for whenever I need it. 2 days ago my antivirus complained to me that I had a ...
2
votes
0answers
39 views

Unallocated space cannot be used for other partitions

Some weeks ago I installed the latest Ubuntu OS version on my PC. I gave it 12GB of space and then 4GB for the hibernation temp storage. Yesterday I realized that I wasn't going to use it any more so ...
2
votes
0answers
30 views

Best practise for debbuging hdd

I just logged onto my machine when suddenly ls gave me an Input/output error. After rebooting the machine /dev/sda1 could not be mounted. dmesg results in : [ 545.691453] EXT4-fs (sda): VFS: Can't ...
2
votes
0answers
44 views

Terminal across two Monitors

I have two 24" Monitors connect to my Ubuntu 14.04 LTS. For some purposes it would be helpful to maximize my Terminal over both Monitors as one big Window. I can drag a window larger with the mouse, ...
2
votes
0answers
23 views

Can I configure GNOME 3 to move a window to it's own workspace when maximized?

I'm using GNOME Shell 3.10 and would like to have each maximized window moved to its own workspace automatically. Ideally I'd also like GNOME to prevent any workspace from having more than one ...
2
votes
0answers
301 views

Mouse cursor scaling issues in Xubuntu 14.04 with XFCE 4.10

I am using Xubuntu 14.04 with XFCE 4.10 and I just recently bought a Seiki 39' 4K display for home. While I think that the display itself is working great so far and I love it, I am noticing some ...
2
votes
0answers
272 views

Cannot shrink ntfs partition with GParted - couldn't update MFT error

I'm shrinking my data partition (>550 GB) to open up some space for installing Ubuntu (along side my existing Windows 7). However, I received this message: ERROR(30): Couldn't update MFT own ...
2
votes
0answers
199 views

I got a green overlay in my video when using multiply blend mode in ffmpeg

I´m trying to blend two videos with the multiply blend mode. But I got a green overlay in the resulting video. This is a image where are one frame of each input video and one frame of the resulting ...
2
votes
0answers
334 views

hard drive detected internally but not externally

I have an acer laptop with a WD hard drive I have been using for about a year. Of late I noticed my system slow down dramatically. Further inspection revealed that the hard drive was going bad. The ...
2
votes
0answers
37 views

Can't access virtual machine after plugging ethernet cable

I have VirtualBox installed. My OS is Ubuntu 13.10. I configured a host only network at 192.168.56.1. I have 2 machines the first 192.168.56.20 the other 192.168.56.21. Everything worked fine before ...
2
votes
0answers
36 views

How to setup a Ubuntu custom shortcut for “goto selection”

On Windows, I set up a Autohotkey shortcut in a way that the selected text was sent to the OS for execution. If it's a http hyperlink, default browser is launched. If it's a file path, file explorer ...
2
votes
0answers
62 views

Recreating original ISO from a liveusb

I have just made a ubuntu live usb. The usb is of 4gb. If I create ISO from usb, it is not having same checksum as original ISO used to make live usb, since this new ISO will be of 4 gb whereas ...
2
votes
0answers
1k views

VirtualBox suddenly disabled auto-resize guest display

I've been using VirtualBox on a Windows 7 host for school for several weeks now. Suddenly today, my Ubuntu box locked up - I shut it down and rebooted, and now my screen isn't resizing as it should. ...
2
votes
0answers
245 views

Samsung S4 Recover a Photo On Internal Memory Without Root

I need to recover a photo from the internal memory of a Samsung Galaxy S4. The problem is that the S4 uses the Media Transfer Protocol (MTP), so Windows cannot access the device as a disk. So almost ...
2
votes
0answers
1k views

USB disk not auto-mounting in Ubuntu 12.04

It used to, but suddenly now it doesn't. The device shows up in the following: dmesg | tail -1 [394191.758315] usb 2-1.3: new high-speed USB device number 9 using ehci_hcd ...which I know is the ...