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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94 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
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0answers
17 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
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0answers
35 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
50 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
1k 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
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0answers
489 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
310 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
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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
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0answers
521 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
268 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
213 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
63 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
338 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
791 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
255 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
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0answers
384 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
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0answers
20 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
39 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
29 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
25 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
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0answers
25 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
130 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
165 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
32 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
175 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
99 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
31 views

Unlocated Space cant be used for other partitions

So some weeks ago I installed the latest Ubuntu Os version in my pc, I gave it like 12g and then 4gig for the hybernation temp storage. Yesterday I realized that I wasn't going to use it anymore so I ...
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
22 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
250 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
192 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
318 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
35 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
61 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
982 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
238 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 ...
2
votes
0answers
35 views

Can I configure dpkg to launch kdiff when there's a conflict with a config file update?

We've all seen it... Configuration file 'blah/blah/blah.conf' ==> Modified (by you or by a script) since installation. ==> Package distributor has shipped an updated version. What would you ...
2
votes
0answers
69 views

Why does the “date -u” command show time 25 seconds ahead of “export TZ=UTC; date”?

I am running clockspeed-0.62 (DJB software) on Ubuntu 13.10 (Saucy Salamander). I have setup time zones so that /usr/share/zoneinfo is a link to /usr/share/right, and I have setup an up-to-date ...
2
votes
0answers
1k views

Automounting External USB 3.0 HDD on Ubuntu

I have an external 1TB USB 3.0 HDD (NTSF formatted) and a laptop with two USB 2.0 and two USB 3.0. My laptop runs Ubuntu 13.10 with XFCE. For a few weeks, I have used my HDD and it was always ...
2
votes
0answers
85 views

Run VPN (openconnect) on VPS without breaking SSH

I have a VPS server and I want to connect it to a CiscoVPN with openconnect, so traffic from the VPS passes over the VPN, but I also want to be able to use SSH. Right now when I start openconnect the ...
2
votes
0answers
168 views

Auto-mount/unmount truecrypt volume on login/logout

Ubuntu offers the ability to automatically mount/unmount the home directory using encFS when the user logs in or out. How can this be applied to a truecrypt volume using only a keyfile (no password) ...
2
votes
0answers
1k views

Google Chrome not able to identify my webcam

Chrome has suddenly stopped accessing my camera. Whenever I go to a website that tries to use my camera, I see a text that says camera : none available When I go to media settings, I see that Chrome ...
2
votes
0answers
220 views

Ubuntu Server shows that I am running out of disk space, but I can't figure out where it is being used

I am showing that I am running out of disk space and I am having trouble uploading, but I can't figure out where the disk space is being used. I am supposed to have 19 gigabytes, but it looks like ...
2
votes
0answers
1k views

Postfix: SMTP, use port 587 rather than 465

I have set up a mail server on AWS EC2 using the instructions from Flurdy: http://flurdy.com/docs/postfix/ it has mostly gone well. My issue is that I would prefer to use SMTP port 587 with TLS ...
2
votes
0answers
2k views

USB keyboards keep disconnecting and reconnecting

Issue: USB keyboard keeps disconnecting and reconnecting. It has disconnected 6 times as I've typed this post. It generally reconnects after about 3 seconds. OS: Win 7 Pro 64 bit MB: Gigabyte ...
2
votes
0answers
3k views

Ubuntu 13.10 is very slow under VMware / VirtualBox running in a Windows 8.1 host

I am the recent owner of a new Levono Yoga 2. The specs of this are: 4th Generation Intel Core i7-4500U Processor (1.80GHz 1600MHz 4MB) Intel® HD Graphics 4400 8.0GB PC3-12800 DDR3L SDRAM 1600 MHz ...
2
votes
0answers
235 views

'ping git-scm.com' returns 'ping: unknown host git-scm.com'

Since a couple of days ago I'm not able to access git-scm.com and when trying to ping to the domain: ping git-scm.com I get a: ping: unknown host git-scm.com How can I check for errors in my ...
2
votes
0answers
52 views

Automatic package recompilation on apt-get upgrade

Is it possible to achieve the following setup with apt-get on debian based distros, particulary Ubuntu: I need to compile a package from source (like apt-get source ). Before compilation, I need to ...