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.

learn more… | top users | synonyms (1)

5
votes
2answers
4k views

/dev/md127 refuses to stop. No open files

So I'm trying to stop /dev/md127 on my Ubuntu 12.10 box. It was set up as RAID1, but I'm trying to move everything (well, rename) to md0. I read that renaming isn't possible, so I'm trying to remove ...
0
votes
0answers
26 views

Mounting nfs4 partition over ssh tunel

I am following this manual on how to mount an nfs port over an ssh tunnel: https://blogs.oracle.com/shepler/entry/tunneling_nfs_traffic_via_ssh I need this because I want to mount an nfs partition ...
0
votes
1answer
56 views

HDD Won't connect / system won't read it. Not sure what dmesg output means`

I have a hdd that I pulled from an old windows laptop, I don't think there's any information on it that I want to keep. I was going to format it to ext4 or something. Yesterday when I connected and ...
1
vote
1answer
26 views

Need help creating a Live SD card

I'm having a bit of of a nightmare. I'm trying to create a bootable SD with Arch on it after failing miserably earlier today in VirtualBox fdisk output : Disk /dev/mmcblk0: 32.0 GB, 32010928128 ...
0
votes
2answers
45 views

Cannot access internet through OpenVPN

I have set up an openvpn server, generated a certificate and downloaded it to my client machine. After importing the client.ovpn file in the network manager, I can still ssh into the server itself, ...
0
votes
1answer
861 views

org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed] while running spoon.sh in ubuntu

When I am running spoon.sh file in Ubuntu I am getting the following error: [santosh@sbx data-integration]$ ./spoon.sh /home/decathlon/Pentaho-5.0.1/data-integration org.eclipse.swt.SWTError: No more ...
0
votes
0answers
21 views

Compiling a loadable kernel module(Debian/Ubuntu)

This question is a follow up of this one. I am trying to compile the ELF loader as an individual LKM and use it as a standalone application(replacing the original module within the base kernel sounds ...
1
vote
1answer
100 views

Reading the contents of an ELF file (programmatically) [closed]

I am trying to retrieve the contents of an additional section within an ELF binary. At this point, I'm using the following code to retrieve the name of each section: #include <stdio.h> #include ...
3
votes
1answer
2k views

Sound volume control does not work in Ubuntu

My sound volume control does not work when I'm logged in with my regular user, though the sound works correctly. What's weirder is that the sound control works when I'm logged in as guest. With my ...
1
vote
1answer
53 views

Error while installing Apache; error is “E: Sub-process /usr/bin/dpkg returned an error code (1)”

I followed an online article to remove my Apache from my system. I removed Apache through these commands sudo apt-get purge apache2 apache2-utils sudo rm -rf /etc/apache2-bin sudo apt-get autoremove ...
4
votes
1answer
880 views

Powertop doesn't display Power est. column

When I run powertop, it doesn't display the "Power Est." column that shows the estimated power consumption in Watts of each row. It should look like in the screen capture here: MacBook Pro Retina: ...
-1
votes
1answer
363 views

Software center not working on kali linux?

I followed the instructions for installing kali linux and put these commands into the terminal: apt-get update apt-get install software-center I also added: deb http://http.kali.org/ /kali main ...
0
votes
1answer
635 views

rs232 to usb not working

I also asked this question on AskUbuntu but there nobody comments on it I have a konig rs232 serial to usb adapter (no FTDI chip), but when I try to connect to a cisco switch/router (via Putty, ...
1
vote
0answers
14 views

aufs fs is being mounted before component parts

I'm having issues at boot time. It fails to mount the aufs (and so suspends the boot asking if I want to continue... no good on a server) I thought I had set up my fstab to mount the aufs AFTER the ...
4
votes
1answer
458 views

userns container fails to start, how to track down the reason?

When creating a userns (unprivileged) LXC container on Ubuntu 14.04 with the following command line: lxc-create -n test1 -t download -- -d $(lsb_release -si|tr 'A-Z' 'a-z') -r $(lsb_release -sc) -a ...
2
votes
0answers
54 views

Restrict the maximum number of independent IP connection on specific port at the same time

I set up a server as a socks5 proxy. I'd like restrict the maximum number(1 or 5 or 20) independent IP connection on specific port at the same time. I have searched on google, only see some articles ...
0
votes
1answer
48 views

Understanding network problem (syslog)

I am running a lubuntu 14.04 server and its always worked well, except for the last couple of days it keeps dropping off the LAN. I am using a couple of powerlink adapters to connect it up as WiFi was ...
0
votes
0answers
34 views

Not able to boot into ubuntu or windows

prerequisites you will need to know regarding my problem earlier I had Ubuntu 13 version, due to some unknown reason, when I restarted my computer to enter into windows it went directly to grub ...
3
votes
7answers
17k views

Black screen at boot with Mint and Ubuntu live CDs

I just bought an HP pavillion g6 laptop, with the hope of installing Linux on it. I have now tried both Linux Mint (my first choice) and Ubuntu, and both simply give me a black screen from the moment ...
1
vote
0answers
131 views

Installing MongoDB in Ubuntu LXC Container. Fails with 'invoke-rc.d: initscript mongod, action “start” failed.'

I can't manage to install mongodb in a Ubuntu LXC container. I've set-up the Ubuntu 14.10 host by following these instructions: https://linuxcontainers.org/lxc/getting-started/ lxc-create --version ...
0
votes
4answers
55 views

RAID 1 on server - need file from mirrored drive

About 3yrs back I had setup an Ubuntu server for a medical clinic. I had set in 2 HDD's for the purpose of having RAID 1 (software RAID) Today suddenly they can't access a table on one of the mySQL ...
0
votes
0answers
30 views

Error while setting up environment for running swift

I am getting the following error when running the script remakerings # remakerings Traceback (most recent call last): File "/usr/local/bin/swift-ring-builder", line 5, in <module> ...
0
votes
0answers
20 views

Unison on Ubuntu 14.04

Very simple task at hand here: using unison in a star topology in order to synchronize /home folders across multiple servers. So, for ~/.unison/default.prf on each box... Hub: root = root = ...
0
votes
1answer
27 views

Config iptables ssh over VPN

How can I define a rule that only allows ssh via VPN in iptables? My iptable Rule is following: #!/bin/sh IPT="/sbin/iptables" $IPT --flush $IPT --delete-chain $IPT -P INPUT DROP $IPT -P FORWARD DROP ...
2
votes
2answers
39 views

Terminal Line not properly wrapping [duplicate]

I am having a weird issue with my terminal wrapping, and after reading online I have found out it is likely because of my PS1 setup, however, I looked at it, and it seems to match what people are ...
0
votes
0answers
428 views

Black screen after logged in. Xubuntu 12.10

Hi I'm a total noob in Linux/ubuntu. I had Xubuntu 12.10 running for a month or so without major problems. A few days ago after downgrad firefox from 29 to 28 by removing and reinstalling and ...
3
votes
1answer
653 views

Ubuntu: How can I disable boot and logout screen

I want to be able to see all stuff from the boot process, just like in Debian. I instaled startupmanager but It only change boot screen to more ugly. I search google and find that you must remove ...
1
vote
2answers
703 views

Adjusting Screen Size on Ubuntu Virtualbox

When running Ubuntu as a Vitualbox guest, with a Windows 7 64-bit machine as host, how can I maximize the screen so it fills up the whole monitor?
0
votes
1answer
650 views

My Ubuntu 14.04 LTS doesn't have sound

I installed Ubuntu 14.04 on VMware workstation version 10.0.0 on my Windows 7 machine. After installing I figured out that it doesn't have any sound so I checked the sound settings. All items seem to ...
3
votes
1answer
73 views

I installed Ubuntu instead of Windows. Where are my files from D drive?

I'm quite new in Linux. I have had a Windows and two drives: C and D. Windows was on C. Then I installed Ubuntu instead of Windows, and I expected my files on D will stay. But I can't find it. As far ...
0
votes
1answer
46 views

Realtek rtl8192cu-fixes issue elementary os

I asked this question here[http://askubuntu.com/questions/594760/realtek-rtl8192cu-fixes-issue-elementary-os] but was redirect to this site. Copy of original questions Has anyone had any luck with ...
9
votes
2answers
17k views

Ubuntu Server Continuously “goes to sleep”

I am running a web server at home using Ubuntu 11.4 (maybe? I can't 100% recall) on an older AMD 2400+ desktop with 1 or 2 GB of RAM. Sorry I can't recall the details 100%. Anyway, I have a KVM ...
1
vote
3answers
4k views

How to repair Ubuntu after upgrade? (from recovery mode)

I have gone through countless threads on the following error and none have helped. Your screen, graphics card, and input device settings could not be detected correctly. You will need to configure ...
1
vote
0answers
139 views

What's the difference between the two types of Desktop Image of Ubuntu? [migrated]

At Ubuntu's download page, there are two types of Desktop Image that are very similar: A. Upper "Desktop image" Section The desktop image allows you to try Ubuntu without changing your computer at ...
0
votes
0answers
11 views

Stability of internal Wireless module or adpater in Ubuntu

This is an update to my previous problem with wireless adapter or module in Ubuntu 12.04. Now when I move my laptop around a little, the wireless connection is lost but very quickly back on (update: ...
0
votes
0answers
20 views

Ubuntu server install hangs at “retrieving grub-mount-udeb”

I am trying to install Ubuntu server on an HP Pavilion Media Center m8300f that I got from a friend, and it keeps hanging at retrieving grub-mount-udeb. I previously had Xubuntu on it, but now I just ...
0
votes
2answers
47 views

Learning resources for people interested in learning Linux [closed]

I am a B.Tech student and I would like to study Linux but don't know what I should study nor how to. The current priority of my college degree is C/C++, Java and .Net. They don't provide me with any ...
1
vote
1answer
1k views

Which library files are needed to run a binary with an alternate libc version?

I built Firefox 26 on Mint 16 because the Ubuntu 10.04 build utilities are too old to build it. It does need to run on 10.04, however, since that's the target OS I'm building for. It built and runs ...
1
vote
2answers
38k views

Recovering from 'grub rescue>' crash [closed]

Originally posted to AskUbuntu.com ... AskUbuntu has adopted a policy of closing questions about EOL (End Of Life) versions. There's a vocal contingent to remove them as well. To prevent ...
0
votes
1answer
53 views

PCI card reader stopped working after upgrading to Ubuntu 14.10

Here's my configuration: sudo lspci 00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor DRAM Controller (rev 06) 00:02.0 VGA compatible controller: Intel Corporation 4th Gen ...
5
votes
3answers
898 views

Why does Debian bug-squashing take this much time compared to that of Ubuntu?

Reportedly, Debian devs need to squash 54 bugs more. These are termed as 'release critical bugs'. My question is, if this bug-squashing takes this much time, then how come Ubuntu releases each version ...
2
votes
0answers
38 views

Wifi not working on compaq 6715b running ubuntu 14.04

I'm trying to get WIFI running on an old compaq 6715b laptop. It does not show up in iwconfig, so I assume that I need to install drivers. I've tried using ndiswrapper, and tried "sudo apt-get install ...
4
votes
1answer
1k views

Fedora 18 guest in VirtualBox 4.2: How to assign static IPv4 address to guest regardless of active ethernet interface on host

I have a Ubuntu 13.04 host running VirtualBox 4.2.12. This host has both a wired and a wireless network interface, but only one of which would usually be active at any given time. For example, at home ...
3
votes
1answer
33 views

Can tar discover the archive format when piping it in via wget?

When I have a tar archive of any format, I can use: tar xf archive.tar.xz tar xf anotherarchive.tar.gz as tar discovers the relevant format by itself. Now I want to download the archives and ...
-1
votes
0answers
102 views

wl - [phy0]mon0: ERROR while getting interface flags: No such device

My question is same as this Question On ubuntu 14.04 LTS, I run the command airmon-ng start wlan0 And the output shows wl - [phy0]mon0: ERROR while getting interface flags: No such device After this ...
1
vote
0answers
30 views

Setup public IP address on LXC container

Can anyone tell me how to setup a network interface for each LXC container so that each container can have its own dedicated IP address? Here's what the /etc/network/interfaces file on my host node ...
1
vote
0answers
52 views

I can't run Ubuntu 13.10 on my galaxy pocket

I have a galaxy pocket and I want to run Ubuntu 13.10 but when I try to start using Linux complete installer here is what I get: $ cd /sdcard/ubuntu $ su # s/bootscript.sh ...
0
votes
2answers
558 views

How to achieve higher display resolution for Ubuntu under VirtualBox?

In this setup, Ubuntu under VM only achieves low resolution at 640 * 480 while host is 1920 * 1024. How to, (I believe is to configure X server), achieve higher resolution? I have set in VirtualBox ...
0
votes
1answer
51 views

Kali For Music Production + Possible To Mix Distros?

I'm looking to install a Linux distro on my new computer. In the past I have had great experiences with Ubuntu Studio and Kali Linux, but had them both installed separately. I am wondering if it ...
1
vote
1answer
89 views

What exactly does logrotate do to apache log files? (apache 2.4 - ubuntu 14.04)

Other than a couple of basic VHOST's, I have default apache and apache logging configuration. Whenever I try to view my apache log files (error.log, access.log) I see that these files keep getting ...