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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2answers
2k views

How can I get information about an network interface uptime?

I have an Ubuntu machine and a Debian machine. On both I want to be able to see for how long an network interface has been connected. (That is, connected to a network getting an IP etc. Not the ...
1
vote
2answers
2k views

Cannot get Ubuntu 13.10 to work with AMD Catalyst 13.12 - black screen

I have installed a fresh copy of Ubuntu 13.10 x64 and AMD Catalyst 13.12. When booting up, I see the Ubuntu logo splash screen for a second, then it just goes to a black screen. I am using the R9 290x ...
0
votes
0answers
13 views

How to put a windows recovery drive and ubuntu on one usb

I am trying to get a usb to have three partitions. One will be for just storing files, one will be for running Ubuntu, and one will be used as a windows 8.1 recovery drive. I tried partitioning my ...
1
vote
1answer
2k views

Why NetBeans ( php - remote project ) change permission of files to 0600?

I'm using NetBeans for editing some php files ( in a php project ) at remote server. all go normal, but when saving the edited file using NetBeans, the file's permissions are set to 0600 by default, ...
1
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2answers
1k views

VirtualBox - flash player performance on a linux guest (Windows host)

I have the following issue. I have windows 7 installed on my laptop and I am running virtualbox with a ubuntu virtual machine. The problem is that when I try to run flash .e.g. youtube the ...
0
votes
1answer
22 views

Creating bootable disk image on a separate partition, is it possible?

I want to create a bootable image of Ubutnu on my external 1TB hard drive (Seagate). The problem is, I have important files on it (about 200GB), and mounting an ISO file to it, as you know, requires a ...
2
votes
4answers
248 views

Strategy to maintain dotfiles for different OSs (i.e. osx and ubuntu)

I use a Git repository to maintain my dotfiles (vimrc, zshrc, tmux.conf, etc.). As I've two different operating systems (OSX at home and Ubuntu at work) I've dedicated a branch for each system. This ...
0
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0answers
21 views

Ubuntu 14.04 hangs at “[2.688088] Switched to clocksource tsc” (Intel Pentium 4)

I installed Ubuntu Server 14.04 on a Pentium 4 machine but booting the System hangs at: [2.688088] Switched to clocksource tsc I've tried all the Grub kernel bootoptions listed in this post: Linux ...
0
votes
1answer
725 views

Using dnsmasq with NetworkManager

It was well known that NetworkManager does not play well with dnsmasq (ref: here). I've skimmed throught the lengthy discussion here but still not sure what the recommended way to deal with the ...
2
votes
1answer
1k views

Match multiple strings in iptables

I have 2 strings, and i wish to queue the packet if it contains both the strings ( something like ("jsh"&&"gjhyg")), i tried following ways, but they don't seem to work: sudo iptables -A ...
0
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0answers
19 views

Teamviewer without monitor

I have a remote Ubuntu 14.04LTS. with Teamviewer 9. Enabled on system startup. When a monitor is plugged in the remote, everything is OK. When I unplugged and restart the remote, a teamviewer message ...
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0answers
8 views

Y-E DATA FlashBuster-U is not working with Ubuntu kernel

I'm using the latest Ubuntu kernel. And I can't use it at all I just get these buffer IO errors - usb 3-3: new full-speed USB device number 3 using ohci-pci usb 3-3: New USB device found, ...
6
votes
4answers
482 views

apt-get download with version constraint

I need to use apt-get download to fetch a specific version of a .deb file, but not necessarily the exact version. .deb dependencies are allowed to use expressions such as >=0.3.0 and I would like ...
0
votes
1answer
23 views

bash auto-complete separates strings

Let's say I'd like to cd to the directory containing all albums by the artist "The Ghost of a Saber Tooth Tiger" so I start typing cd ~/Music/The\ Ghost and hit [TAB] [TAB]. At this point bash ...
0
votes
1answer
13 views

Fatal error (bad field count) while configuring Postfix

I'm using this tutorial to configure a mail server using postfix, dovecot and mysql. While configuring Postfix I have to uncomment the following lines and then restart Postfix with service postfix ...
0
votes
2answers
2k views

Exit sudo in the middle of a shell script

I have a shell script in which most of the commands need to be run under sudo; however, the last few commands need to be run as the current user. Is there a way I can exit sudo and switch to the ...
1
vote
0answers
19 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 ...
3
votes
3answers
3k views

How to make the folder name as Album tag for mp3?

I have a bunch of mp3 and when I import them in Banshee, it's all messed up. The mp3 files I have are organized by folder and I would like to make the folder name as the album tag for the mp3, so that ...
4
votes
3answers
2k views

3D plotting in Ubuntu

I have Ubuntu 10.10 installed and need to plot 3D graphic. I have installed several free applications available in the repository, like QtiPlot and GNU Octave. I have found out and created the ...
2
votes
2answers
3k views

How to download and install specific version of sun-java6-jdk on ubuntu

I am using Ubuntu version 12.04 (via VM) I downloaded and installed java: sudo apt-get install python-software-properties sudo add-apt-repository "deb http://archive.canonical.com/ lucid partner" ...
3
votes
0answers
398 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 ...
0
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0answers
32 views

How to recover data from BitLocker encrypted drive after format in Ubuntu

I had NTFS drive with 4 partitions C:, D:, E:, F:. E drive is BitLocker encrypted. While installing Ubuntu, I have accidently formatted the whole drive. I have used TestDisk along with live Ubuntu ...
0
votes
1answer
88 views

Windows and Ubuntu dual boot

I am trying to run Windows 7 and Ubuntu 13.10 both on the same machine. But when I first installed Ubuntu, I was unable to boot Windows 7. There was an error coming up saying: disk read error. Later I ...
2
votes
2answers
2k views

auth.log is empty (Ubuntu)

The /var/log/auth.log file in my Ubuntu 9.04 is empty. syslogd is running and /etc/syslog.conf content is as follows. Any help? Thanks. # /etc/syslog.conf Configuration file for syslogd. # # ...
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0answers
65 views

locked out of the BIOS by hackers [closed]

Hackers got into the BIOS of my laptop, and actually locked me out of the BIOS. Tech support had to flash the BIOS 3 times before it would 'take'. Can you tell me what to look for in the BIOS or ...
0
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0answers
22 views

Linux Mint 17 cannot connect to wired connection

I have just installed the latest Linux Mint after running into this problem with Ubuntu and thinking that was the culprit (Linux Mint 17, Cinnamon 64bit and Ubuntu 14.04.1 LTS were what I have been ...
0
votes
1answer
2k views

vsftpd: 500 OOPS: could not bind listening IPv4 socket

I will use vsftpd as a ftp server. I did all changes on /etc/vsftpd.conf. These changes are (according to digitalocean): anonymous_enable=NO write_enable=YES local_enable=YES chroot_local_user=YES ...
2
votes
2answers
2k views

VirtualBox: can't ssh to ubuntu guest from OSX host

Brand new Ubuntu LTS 10.04.2 install (and updated), with sshd running. I added a host-only adapter. and configured it like this: auto eth1 iface eth1 inet dhcp I can ssh from the guest to itself ...
4
votes
3answers
6k views

Change computer name of an Ubuntu desktop computer

How can I change the computer name on an Ubuntu desktop computer? I already tried changing the /etc/hostname file but that only caused the wireless to stop working. I found an old guide that ...
0
votes
0answers
31 views

Unable to mount a 1TB external drive on Ubuntu

When I plug my external hard drive in the USB port, it doesn't get auto mounted. So I did a sudo fdisk -l but was unable to find an entry for my external drive. Then I did a dmesg and found the ...
42
votes
6answers
19k views

Better Ubuntu Fonts

I have been using Ubuntu for a while. I like it. I like it a lot. But once in a while, when I switch to Windows, I feel better because I really like the font. It feels really much pleasant to watch ...
0
votes
1answer
58 views

Virtualbox Mac OSX host - Ubuntu guest is slow and laggy

I did some research already as to why my Ubuntu guest is slow on my (quite powerful) MBP but no success. Is there something I am missing? A setting? A configuration? FYI I am usin g: ICH9 chipset ...
0
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0answers
12 views

How can I install Matlab to Ubuntu for all user accounts?

I try to install matlab to ubuntu server for the use of all possible user accounts. How should I install Matlab for that or where should I locate its installation ?
3
votes
2answers
2k views

gcc running out of memory in Ubuntu 12.10

I'm trying to compile my C project in Ubuntu (32bit) running in VirtualBox. Compiling the code in question requires quite a bit of memory, at least 3 gig. So I gave the VM 2 gig. Along with 2 gig of ...
-1
votes
1answer
35 views

cannot execute binary file in Linux

if i install spring tool in Ubuntu server it says the following error message. bash: ./spring-tool-suite-3.6.1.RELEASE-e4.4-linux-gtk.tar.gz: cannot execute binary file please any one help to me.
0
votes
0answers
10 views

TeamViewer Mac keyboard layout on Ubuntu

I'm using Mac OS X 10.9.4 with TeamViewer 9.0.31181. I use iMac keyboard, but when I remotely control a Ubuntu Desktop, the "delete" button has no response and arrow keys generate abnormal keystrokes ...
2
votes
0answers
23 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 ...
1
vote
1answer
24 views

What is the “quality” of a Wi-Fi access point?

In Debian you can use iwlist to scan nearby Wi-Fi access points. In the statistics like this: Cell 01 - Address: CC:B2:55:XX:XX:XX ESSID:"X" Protocol:IEEE 802.11bg ...
0
votes
0answers
10 views

AMD-V not available to nested VMs?

I'm using an Ubuntu 12.04 virtual machine as part of my personal development environment, which is run through VMWare Player on Windows 7. Now, from this Ubuntu machine I'm trying to use 'vagrant up' ...
0
votes
1answer
22 views

Using multiple OS's on a UEFI secure boot system

I wanted to install Ubuntu on a windows 8.1 system but I don't want to use GRUB or replace my current boot loader. Can I install multiple OS's without showing a prompt to select An OS unless I press a ...
0
votes
1answer
1k views

No boot menu for Ubuntu 14.04 after dual boot installation

I assume, this is not a duplicate post. Please read my findings below before assuming so. I have gone through several questions over the Internet regarding people complaining that they are not ...
3
votes
2answers
403 views

How to reorder folders? (as displayed in `ls -U`)

I've got a number of unordered folders on a memory stick, which my car stereo shows in order of their real position on the stick (i.e. same as ls -U) What's the easiest way of physically reordering ...
1
vote
3answers
3k views

Check that Laptop Fan is Functioning Correctly on Linux

I just completely disassembled and reassembled my Dell Studio 1555 laptop. I had to remove the hard drive, WLAN card, unplug optical drive, display connector, even the motherboard to get to the fan. ...
0
votes
1answer
26 views

connecting to wifi using ubuntu terminal

I would like to know how i can connect to wifi using ubuntu terminal...first i gave the command "iwconfig wlan0 essid key " but then it said that it doesnt have permissions ..so i added the "sudo" ...
0
votes
1answer
65 views

Residual Ubuntu partitions preventing disc cloning, how to remove?

In my BIOS screen under boot priority, my primary (and until today only) hard disk shows up as two separate disks named ubuntu. This isn't the case when I'm just using windows, and I've never thought ...
3
votes
1answer
99 views

How do I conditionally format a cell that contains a dropdown list

Hi Guys I want to know how to conditionally format a cell that contains a drop down list of 3 values. I want each value to represent a different coloured background when selected in the drop down ...
3
votes
0answers
15 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 ...
0
votes
0answers
28 views

Windows 8.1 installation using the hard drive (without external devices)

Is it possible to install Windows 8.1 from my hard drive? My hard drive already contains Ubuntu OS installed. I do not want to use a CD, DVD or USB. I've the ISO image of the Windows 8.1 installer. Is ...
0
votes
1answer
22 views

Dual Bootable OS in single Flash drive?

I want to use Ubuntu as well as Windows using 1 flash drive. (32GB) Is it possible? I mean it should show both Ubuntu as well as Windows.
1
vote
1answer
3k views

How to increase actual size of hard disk in VirtualBox?

After i did steps shown here i've noticed in VM's settings that i only increased virtual size but actual size remain the same. How to increase it also?