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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3answers
52 views

What happens if a person tries to log in with the same user account as someone who has already logged in?

I am currently logged into a remove server using a particular user account. I kicked off a really long script, and have no idea when it will finish. It is blocking me from using the terminal that I ...
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0answers
130 views

How can I resolve the initramfs issue during installation of Ubuntu 14.10 with an ISO file?

My system specs are: HP Probook 4445s, Windows 7 SP1, 64-bit, 4GB RAM, AMD A8-4500 APU I want to have both Windows 7 and Ubuntu on my laptop. I am installing Ubuntu 14.10 from an ISO file. I would ...
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2answers
464 views

Mouse and keyboard not working in Ubuntu 14.04

I updated my Ubuntu Linux to 14.04 and now the mouse and keyboard don't work in the login screen. I tried re-installing grub from a Live USB, but it's still not working. I would really appreciate your ...
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1answer
75 views

Ubuntu 14.10 init scripts: where to find shell function “clean_all”?

I just installed Ubuntu 14.10 . One of the things that I prefer in my desktop is to not clear out /tmp . I'm trying to do the same in 14.10: to prevent the /tmp from being cleared at boot. In one of ...
2
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1answer
37 views

Unable to change ulimit setting

I edited /etc/security/limits.conf to have root hard nofile 20000 root soft nofile 10000 And added session required pam_limits.so to /etc/pam.d/common-session and ...
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0answers
26 views

Linux Mint will not allow traffic from one specific PC on LAN

I was editing /etc/network/interfaces, and then decided to change my settings over VNC instead. This halted my SSH session and also my VNC. I'm not sure if this locked me out or not, but I set cron up ...
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1answer
74 views

How can I modify client SSH settings?

I am logged in a system as student. How can I modify client SSH settings so that when I write the following command ssh 123.4.5.67 , SSH client authentificates me as another user?
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0answers
23 views

Unable to access bugzilla url

Actually I installed bugzilla in one vm. It is using mod_perl and Email configured. Everything working fine. In browser i access the url http://MY_server_IP/bugzilla working fine. In another vm, I ...
0
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1answer
70 views

Change Owner From “root” in VMware's Shared Folder

I'm running a Xubuntu from a Windows 8 host. I can't change the owner of shared files from xubuntu by any sudo chown ... command. Is there any other way I can change the owner from the root to the ...
3
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1answer
221 views

How to setup unprivileged LXC container without reboot?

I am writing some bootstrapping scripts, and I can't get usermode LXC containers working on vanilla Ubuntu 14.04 headless without a reboot. Here is what i do. First, I download and install Ubuntu ...
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0answers
126 views

Linux user in group can't cd into directory with executable permission

(Ok, originally asked this on StackOverflow, got it downvoted with a suggestion to post on SuperUser, where I got a hint (but no luck) with using FUSE to mount media. As serverfault seems to have the ...
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1answer
36 views

How to monitor bunch of machines for CPU usage from another machine?

I have couple of machines as shown below which are running Ubuntu 12.04 and I need to find out the process name along with its pid whose CPU usage is greater than 70%. Below are the machines as an ...
0
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1answer
13 views

Dpkg env variable DPKG_HOOK_ACTION is not set in hook script

According to man dpkg I can use DPKG_HOOK_ACTION to get the current dpkg action being run in my dpkg hook script --pre-invoke=command --post-invoke=command Set an invoke hook command to be run ...
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0answers
26 views

Error to install svn on ubuntu 14.04

I tried to install SVN on ubuntu 14.04 and got the following error: $ sudo apt-get install subversion apache2 libapache2-svn apache2-utils * udev requires hotplug support, not started ... fail! E: ...
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0answers
76 views

x2go unable to locate package x2goserver

I'm trying to install x2go on my test server following this: http://wiki.x2go.org/doku.php/doc:installation:x2goserver (ubuntu) The repo seems to add fine and gives details on how to use it and what ...
2
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2answers
37 views

Are RAID formats compatible across distributions?

I'm planning a NAS/home media server build, probably with a HP Proliant Microserver. It will probably have two HDDs in RAID 1, while the OS while run from a USB drive. Question is: once I've set up ...
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0answers
26 views

Sound not working in my Ubuntu desktop after the sudden power cut

i googled in many articles but does't fix this problem i tried this but does't help me sudo apt-get remove --purge alsa-base pulseaudio sudo apt-get install alsa-base ...
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0answers
26 views

Can't locate Cairo.pm in @INC

I am running prinseq for trimming my data but got this error: Can't locate Cairo.pm in @INC (@INC contains: /home/A/software/vcftools_0.1.11/perl How do I install this?
1
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1answer
47 views

Cannot find -lgcc

I'm trying to compile my next basic c program after hello-world. This contains two supporting modules. I have Ubuntu running in a VM through VirtualBox on a mac. Everything is up to date but I ...
0
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0answers
31 views

deleting admin directory after deleting an admin user

I am creating Admin accounts using this command, sudo useradd *new-admin-username* -s /bin/bash -g sudo -m It creates the admin's directory in the /home/.. Moreover, since these are admin, I can ...
0
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1answer
39 views

aterm or gnome-terminal window unresponsive to keyboard events

I try to investigate a problem: Depending on the way I launch aterm or gnome-terminal, the window may or may not be responsive to keyboard events. The cause of the problem may reside in Aterm, ...
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0answers
29 views

Set user-wide network proxy settings on Ubuntu (without restart)

Is there any reliable way to set proxy settings user-wide for all traffic on Ubuntu? As far I'm using {http|https|ftp}_proxy variables in /home/$USER/.bashrc which is nice but there's some issues: ...
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0answers
25 views

OpenVPN on Ubuntu VM

I am trying to create a VLAN Network from my home network for a web-dev platform. I am running Ubuntu servers in VirtualBox on a Windows 7 machine. I am running an Ubuntu DHCP/OpenVPN/Shorewall ...
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0answers
29 views
+50

Yakuake doesn't save shell setting

When I change the shell appearance opacity it works fine but when I reboot Ubuntu again, the opacity is back to 0 and I have to configure it again. How can I save the Yakuake settings? I am using ...
2
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1answer
30 views

Linux with VM Windows guests in kiosk mode

We have a bunch of computers in our school, which are used by many students and some of them are really having fun in messing around with the system. However it's not possible to restrict access to ...
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0answers
21 views

trying to limit FTP users in proftpd

Have proftpd installed in Ubuntu 14.04 LTS It is running fine, and I have ProFTPD listening on two different ports for both unsecured ftp connections and sftp connections authenticated with private ...
0
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1answer
42 views

HP SmartArray RAID5 recovery on linux

This is a long time in the making, and I've finally got it working so I thought I'd share this with as many people as I can in case they're in a similar situation. Long story short - HP SmartArray ...
0
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0answers
97 views

Mount proc filesystem in a docker container

i want to install gitlab vcs in a docker container with ubuntu base image on it. But when i run gitlab-ctl recofigure, it can't write to a file on proc fs. How to mount or run docker to provide rw ...
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0answers
40 views

Use VirtualBox to access site on host from guest? the host and guest is linux

I'm running VirtualBox on a Ubuntu (host), the VM I’m using is fedora (guest). VirtualBox is setup to use the NAT network adapter, and I'm able to get to the internet. I use Port Forwarding to access ...
0
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1answer
54 views

`rvm list remote` not showing binaries for Ubuntu 14.04 box

I'm trying to provision a dev box with rvm on Ubuntu 14.04 (via Vagrant and Ansible). I've installed rvm: gpg --keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3 \curl -sSL https://get.rvm.io | ...
1
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1answer
199 views

No ttyUSB when connecting USB-RS485 to Beaglebone Black

I'm trying to connect a externally powered board to control the motors of a robot to my BeagleBone Black. I'm using ssh over USB(the mini-usb) to control the Beaglebone from my laptop. The BBB is ...
1
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1answer
108 views

MacOS X Mavericks running VirtualBox cannot communicate with Linux VM

I have a MacOS X Mavericks host running Vagrant using VirtualBox as a provider. I have experienced several times that with different VMs (particularly Ubuntu Linux VMs) after the first time the VM is ...
0
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1answer
43 views

Shutdown so fast on iMac

I'm using Ubuntu 14.04 on iMac 27 in dual boot with OSX via rEFInd. It works nice but when I click to shutdown the Ubuntu it is so quickly and the screen becomes black in 1 or 2 seconds. So I can ...
2
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3answers
196 views

Ubuntu 14.04.1, 14.10 base distros take 30min+ to get to splash screen

Update: I've found a temporary workaround, but I would still like to find a more permanent solution. Workaround: I startout the boot process with the laptops battery removed. If I do this it boots ...
1
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1answer
96 views

How to clean /tmp?

In general, how can we clean /tmp for freeing up the space taken by non-needed files? Note that I once made a mistake by deleting everything under /tmp, and then after rebooting, my Ubuntu was ...
0
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2answers
62 views

Why can't I change the hostname of my server using sudo? [duplicate]

From a user that is part of the sudoers group, I can normally run any command by doing sudo <command> But the following command fails stating "Permission denied" sudo echo "myhostname" > ...
0
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1answer
189 views

dota 2 graphics problem in ubuntu 14.04

i installed ubuntu 14.04 in my laptop. then i installed steam and finally dota 2. but the graphics are very bad. i have amd raedon 7400 in my laptop. it seems like dota 2 is not running through my ...
0
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2answers
25 views

How to properly mount new hdd, to free up the old one

I installed a new hdd /dev/sdb1, and mounted to /home/ubuntu/new1, and moved some files there to free up the old hdd, but when I do du -h new1 is still takes space in the old hdd, below are my fstab ...
2
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1answer
18 views

Cannot write to sector - boot Ubuntu

So I was in an airport working and I closed my laptop. When I brought it back up again, my screen was black so I kill switched. Now when I boot, I get "cannot write to sector". Anyone got any ideas? ...
1
vote
1answer
32 views

Linux system files moved, how to return by booting from an installer?

So I accidentally 'sudo mv' my files from /* (root directory) to some directory inside my home directory. My OS stopped working and I rebooted. Then I encountered the error: file ...
1
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0answers
57 views

Mounting synology disks in ubuntu

I have some files on synology disk that I would like to recover with extundelete. I have mounted the raid1 setup. So on the disk is two raid storages (md2 and md3) and they are connected to one with ...
0
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0answers
37 views

Network communication between two nodes in a Hadoop cluster

I am running a 7 node hadoop cluster with each box running Ubuntu 12.04. It is running CDH4 setup using Cloudera Manager. It was already setup and running when I came in but now I'm running into a ...
2
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1answer
69 views

ubuntu does no let me log in to my user, how can I fix it?

My ubuntu has just crashed. Now that I restarted it, it does nothing when I enter my password. The screen just gets refreshed leaving the password space empty again. However, if I try to enter a wrong ...
0
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1answer
54 views

Received DUP when using ping. What should I do?

I was pinging Google last night and one of them came back as DUP(!). I did some reading and I found this in the man pages on ping(8): Damaged packets are obviously serious cause for alarm and ...
0
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1answer
165 views

Grub2 lost in new Linux distro install

So, I really need some help. Recently I was using a dual boot machine on the same hard drive. I had Windows 8.1 and Ubuntu GNOME 14.04. When I installed Ubuntu on top of my Windows install, I didn't ...
2
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2answers
87 views

Minimal install of Ubuntu

I'm fairly new to linux but I want to install it on my chromebook with crouton. Is there a way to install something like lubuntu or xubuntu without any of the software normally bundled? For example, I ...
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0answers
25 views

bugzilla access by client

I have installed the bugzilla in one virtual machine and another virtual machine i just executed bugz command to store the comment on appropriate bug in bugzilla. bugz -b ...
0
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1answer
76 views

Set maximum volume in Ubuntu/Gnome

I have the following issue with my volume settings (Ubuntu 12.04, 3.2.0-49-generic, Gnome 3, Lenovo X220): When I set the volume to maximum using the hardware volume keys, I get to "100%" in the Audio ...
0
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2answers
90 views

how to solve the error in cinder on openstack havana?

I am install openstack controller node for one machtion, and Another metchion running nova-compute only. so I am running controller node cinder will got error. I clearly meantion it which service ...
0
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1answer
43 views

Cant revert back to ubuntu from lubuntu

So this was my first time doing a dual boot in my computer and i successfully did install ubuntu. However, in ubuntu i curiously downloaded lubuntu (since someone said that it was faster since lubuntu ...