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)

35
votes
4answers
144k views

“Input/output error” when accessing a directory

I want to list and remove the content of a directory on a removable hard drive. But I have experienced "Input/output error": $ rm pic -R rm: cannot remove `pic/60.jpg': Input/output error rm: cannot ...
0
votes
1answer
752 views

Django can not connect to MySQL database over ubuntu 10.04

I am newbie in Django. I got a simple Django 1.3.* project, i would like to run it over my localhost. I installed all necessary modules like: python-mysqldb, rptz etc... I have ubuntu 10.04 ...
7
votes
3answers
630 views

Real time cmd tool to show HDD space remaining

Is there a command line tool which shows in real time how much space remains on my external hard drive?
0
votes
2answers
792 views

Unable to create a multiboot usb stick with MultiSystem

I installed multisystem on Ubuntu 14.04 for multiboot usb. When I start the MultiSystem GUI, it shows me the USB device being mounted on /media/usb0, but when I select and hit confirm, I get the error ...
3
votes
1answer
4k views

Linker error: /usr/bin/ld: cannot find -lgcc_s

I am trying to compile symlinks (tar.gz-file), which is a very small tool with one line for compilation: gcc -Wall -Wstrict-prototypes -O2 -N -s -o symlinks symlinks.c which gives the error .... ...
1
vote
0answers
21 views

L2tpIPsecVpnControlDaemon critical error

I am currently trying to use l2tp-ipsec-vpn in my ubuntu machine. I followed a guide from tuxfamily to install it. Unfortanely, when I start the system, I got a window with the following error: A ...
1
vote
1answer
493 views

No DNS resolution after upgrade from ubuntu 14.04 to 16.04

I upgraded ubuntu 14.04 to ubuntu 16.04 and I have a problem with the internet connection. Specifically, DNS after update stopped working. For debugging purposes I set the only DNS 8.8.8.8, but name ...
0
votes
0answers
13 views

Docker - expose port to 1 particular host

We currently have a network consisting of 2 servers (mongodb and backend, from here on). All of them run Ubuntu 14.04 Previously we just ran both on the same server but we want to expand. We already ...
-1
votes
1answer
18 views

Have I missed anything? user1 is not in the sudoers file [duplicate]

I've created a user on a server where there was only root as: # adduser user1 with a password. Then # su - user1 And then: $ apt-get update E: Could not open lock file /var/lib/apt/lists/lock - ...
1
vote
1answer
127 views

Being Prompted for Password After Already Registered Public Key On server [closed]

NOTE: This is not a duplicate to the popular question. Why am I still getting a password prompt with ssh with public key authentication? I had an original post but I did not get much answers helping ...
0
votes
0answers
15 views

Permanent shrill sound on ubuntu since buggy vlc video

A video with a buggy, or at least too complex soundtrack broke my Intel Ivy Bridge (i5-3337U) laptop running Ubuntu 15.10. In the middle of VLC playing the video, a shrill, slightly grating sound ...
0
votes
1answer
26 views

Windows and Debian dual boot menu order?

I have debian(elementary os) and windows installed on my lap. In the boot menu, every time I'm getting debian os first and it will automatically load after 5 seconds. How can I change the order to ...
0
votes
2answers
3k views

Linksys AE3000 install on linux

I bought a Linksys AE3000 wireless adapter hoping I could use it on my Ubuntu 12.04 box. I found a website that walked through using it, but it didn't work. I edited rtusb_dev_id.c to add: and then ...
1
vote
0answers
35 views

get file system shares working with virt-manager 1.3.2 in ubuntu 16.04 LTS

I have tried numerous things, and read numerous articles, but I'm not able to get file-system shares to work. Here is my setup: host machine: Ubuntu 16.04 LTS with KVM and virt-manager 1.3.2 ...
2
votes
1answer
1k views

Intel Skylake + DisplayPort 1.2 MST/Daisy chain on Linux

I am planning to buy hardware for using DisplayPort 1.2's MST feature to daisy chain two monitors in combination with the Intel Core i5 6600 Skylake processor on Ubuntu. Is this supported yet with the ...
0
votes
2answers
41 views

Assign a different ip for each .ovpn client? OpenVPN

Alright, so I'm using OpenVPN on ubuntu 14.04. Say I have a box, with 5 IPs, I have openvpn, but I want to make 5 different client certificates and .ovpn files, but each of those certificates will ...
2
votes
1answer
29 views

Is it possible to create a mdadm RAID10 with both near and far layout options?

How do you create a mdadm RAID10 with both near and far layout options? The wiki indicates it is doable. The "near" and "far" options can be used together... The man pages for mdadm don't ...
1
vote
1answer
42 views

Getting Ubuntu to Recognize USB Wifi

So, I'm really new to Linux systems and have just downloaded Ubuntu on my other desktop. The problem I'm having is getting it to recognize the USB wifi, TP-Link AC600 Archer T2UH. I went to the ...
0
votes
0answers
40 views

No internet connection after update from ubuntu 14.04 to 16.04 [duplicate]

Is there anyone who may help me with the following problem? I upgraded ubuntu 14.04 to ubuntu 16.04 and I have problem with the internet connection. Secifically, DNS after update stopped working, I ...
0
votes
0answers
21 views

Cinnamon DE - View all global key bindings?

I'm using Cinnamon 2.8.6 on Ubuntu 16.04. How do I identify which process is grabbing a hotkey or combination shortcut? I tried How do I find out what program 'owns' a hotkey?. However, ...
1
vote
1answer
1k views

XBMC crash after selecting “play”. Ubuntu 14.04 and 13.0 gotham. Link to crashlog

I have a brand new machine with fresh install of Ubuntu 14.04 and I'm trying to run Gotham 13.0 on it. I've already added the restricted multimedia codecs (just in case) to Ubuntu. sudo apt-get ...
1
vote
1answer
23 views

Music Player Daemon MPD - Lagging HTTP stream

HTTP stream from my MPD lags, i.e. audio from Pulse and HTTP output are not in sync, with HTTP output lagging Pulse. This also means that starting/pausing/stopping music from MPD is not reflected ...
0
votes
0answers
21 views

I'm able Start Service With init.d script, however doing service <service name> start does not work

I'm able to start a service with an init.d script, however doing service <service name> start does not work. For e.g. /etc/init.d/haskal start, the service is starting fine and service haskal ...
0
votes
0answers
14 views

Qemu/KVM, windows guest password prompt

Ubuntu 16.04 Qemu/KVM Windows 8.1 guest SSH from remote host into hypervisor, run virt-manager. Get prompted for creds: user1@hypervisor, authenticate successfully. Open guest, get prompted for ...
5
votes
3answers
12k views

Is there a way to write a script to do ftp login so I don't have to type things over and over again?

I am recently working extensively with a remote system via ftp connection, since the session time is so short that I have to re-login quite often when I finish my work on my local machine, so I need a ...
3
votes
2answers
2k views

Need to auto-login after logout on ubuntu

I've set up a kiosk using Ubuntu 12.04, and I'd like to have it autologin after a user logs out or if the screen locks, in case someone manages to get back to lightdm or tries to login to the ...
2
votes
1answer
134 views

Run Lua commands in Awesome window manager

I need to have network widget in my Awesome manager. When I placed in very bottom of rc.lua line awful.util.spawn("nm-applet") my Awesome was not starting until I have removed it. What is wrong ...
0
votes
0answers
39 views

Trouble Boot repair

I had a problem with my grub, it didn't recognize my OS, I have installed windows, ubuntu and kali. I tried to use Boot repair in a ubuntu live cd as sudo chroot "/mnt/boot-sav/sda10" apt-get purge ...
2
votes
0answers
20 views

what is difference between .deb pakage file and ddeb pakage file in linux

I need to install SystemTap in Ubuntu 14 and i would need to install debug symbols for kernel i encountered ddeb file how i could uninstall this file after installation ? i got ERROR: Build-id ...
-1
votes
2answers
89 views

Ubuntu 16.04, drive path changed on its own [duplicate]

So yesterday I had a grub issue that required me to comment out the other two drive sin my fstab that get mounted. 1. an ssd that houses my qcow2 vm. 2. a 1tb seagate So all I had listed was / and ...
0
votes
1answer
44 views

Designing a new Operation System

I want to design a new OS to learn more about how an OS works. This OS is only for educational purpose and I had a few doubts choosing its kernel. Is there any legal issue for using an Ubuntu ...
0
votes
0answers
37 views

Qemu/KVM assign usb input devices to VM

So I have an Ubuntu 16.04 host running Qemu/KVM and a Windows 8.1 guest. I have successfully gotten the guest to use both a dedicated video card and dedicate monitor.. however I cannot figure out the ...
1
vote
2answers
1k views

How to check from terminal if any GUI installed in UBUNTU

I'm looking for command to check from terminal, is any GUI installed to my UBUNTU. I couldn't find any satisfying answer
0
votes
2answers
385 views

Ubuntu 16.04 Emergency boot mode

So this rigs been running fine for a week now, (fresh build, new mobo/ram/cpu/hdds/etc) Anyway last night I remotely rebooted this machine then I came in today to be greeted by an Emergency Mode boot. ...
2
votes
2answers
5k views

How to edit /etc/fstab when system boots to read only file system?

I'm on Ubuntu 14.04. I pasted something incorrect (from a tutorial) into my /etc/fstab file. As a result, the root file system will not mount when the machine boots up. I know what needs to be fixed ...
0
votes
0answers
35 views

Unable to use USB sound card with ALSA programming

I am trying to decode LTC data from an audio source coming to my USB sound card. For this I download sample program from this link. As jltcdump.c file use audio card 0 as defualt, so I make USB sound ...
1
vote
1answer
1k 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
1answer
12k views

E: Some index files failed to download. They have been ignored…” when tunning “sudo aptitude update”?

This is what the end of output after I run sudo apt-get update on Ubuntu 12.04: Ign http://apt.typesafe.com unicorn/main Translation-en 35% [Working]W: Failed to fetch ...
1
vote
0answers
35 views

How to use xpra like xvfb-run?

xvfb-run allows me to open a display and run a graphical app and when the app finishes xvfb closes too. for example xvfb-run --auto-servernum --server-args="-screen 0, 1920x1080x24" nw script.js ...
0
votes
0answers
35 views

cat tty freezes the system while I can observe tty through screen

So I have been subject to this weird behaviour. A few days ago I could read my GPS data on Beaglebone Black (latest Debian) on ttyO4 using cat /dev/ttyO4 But since yesterday whenever I try this ...
1
vote
0answers
5k views

“Makefile:29: recipe for target 'siplib.o' failed” - SIP installation [closed]

I'm trying to install SIP 4.16.5 for Python 3.4 on Ubuntu GNOME 14.10. I type python3 configure.py and I get the following: This is SIP 4.16.5 for Python 3.4.2 on linux. The SIP code generator will ...
0
votes
1answer
891 views

grub partition error

This is the first time this has happened to me.I don't use linux on a regular basis, except for some project work. I had logged in today , finished my work and restarted it so I could go into windows ...
4
votes
1answer
4k views

mei 0000:00:16.0: init hw failure

When I boot up I get the following errors: mei 0000:00:16.0: init hw failure. mei 0000:00:16.0: initialization failed. (they don't prevent the bootup, I'm just curious as to what they are and if ...
0
votes
0answers
197 views

Fatal error in MPI (rank 1 PID 13862)

I am running a program in a server with Ubuntu 3.16 that requires to specify the number of node and cpus per node to be used. It runs with mpirun. Some details about the server first: Architecture: ...
1
vote
1answer
71 views

no able to install packages as wireshark

Since a month, I can not download package of Ubuntu Software 14.10 This is really annoying. I try to type the command : sudo apt-get update But I have this result: Ign http://extras.ubuntu.com ...
0
votes
1answer
22 views

What is the problem with the option name in Ubuntu?

oneimage create --name "ubuntu 14.04" \ --path "http://releases.ubuntu.com/14.04/ubuntu-14.04.4-server-amd64.iso" \ --driver qcow2 \ --datastore default I am getting invalid option for --name. I am ...
0
votes
0answers
56 views

How can I fix the duplicate mouse error without logging out?

I sometimes get to see something like this: When I take a screenshot, it looks like this: As you can see, I actually have two mouse cursors + the remainder of a drag-and-drop action on my ...
3
votes
1answer
7k views

Can't start Tomcat on Ubuntu

I installed Tomcat on Ubuntu. Then I created a new user. Then did: liferay@web-svr:~/liferay-portal-6.1.1-ce-ga2/tomcat-7.0.27/bin$ chmod +x *.sh Afterwards, I added JAVA_HOME and PATH in bash like ...
1
vote
1answer
2k views

rsync error: Time value of file truncated on receiver

I run the following rsync command to back up my data. I am on Ubuntu 12.04. rsync -rt --delete --links --exclude-from '/home/john/rsync-exclude.txt' /media/data/ server:/backup/data The data ...
0
votes
0answers
51 views

Ubuntu file system corruption error won't boot

my digital ocean droplet is going through some tough errors and I can't find any help. Perhaps someone here could point me the way. I was using the droplet normally, after running a failed DeployBot ...