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
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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 non-...
0
votes
1answer
9 views

Dropped in (initramfs) after installing Zorin OS 11

I am trying to install Zorin OS on Fujitsu Lifebook AH530. The installation runs smoothly, but when system reboots, it drops into (initramfs) shell, with the message: ALERT~ /dev/disk/by-uuid/.... ...
2
votes
1answer
10k views

minicom showing offline

I am trying to use minicom in Ubuntu. To do this I first connect my USB to DB9 converter, then I type this command on terminal dmesg | grep tty to check if my USB to DB9 converter is connected ...
3
votes
1answer
13 views

Can't ping host from router, but both router interfaces from host

I'm trying to set up Ubuntu Server 16.04 as a router just to figure out how this works and maybe build a home server/router down the line sometime. Problem is, I can't seem to get it to work, not sure ...
-1
votes
0answers
10 views

Ubuntu 16 crashes intermittently. Nvidia drivers installed successfully [on hold]

I have Ubuntu 16 on a dual core processor with 2gb ram. I have been using it for last two days. It freezes intermittently. Totally unresponsive. No errors visible in the system logs. Please help
0
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2answers
802 views

How to monitor the screen lock/unlock in the Ubuntu 14.04

I need to implement a function that monitors the screen lock/unlock. I referred to the following article: Run script on screen lock/unlock My python script code works fine in Ubuntu 12.04, but it ...
0
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0answers
14 views

Screen resolution is wrong in Ubuntu

I have installed Ubuntu 15.10 on my HP Spectre 360 laptop, which has screen resolution 3840 x 2160. By default, everything on my screen is tiny: mouse pointer, toolbars etc.. I have changed the ...
0
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0answers
30 views

How to Study Effect of zram on Memory Size and Paging?

Situation: to study the effect of zram's virtual memory compression (wiki) on memory's size and its speed; when swap is not on HDD/SSD; use zswap if you want to have swap on HDD/SSD Motivation: I ...
2
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0answers
21 views

Setting primary screen in middle of three-monitor-setting

While googling to solve my problem I came across the stack post here. However, my setting is a little different: ----- | D | | V | -------- ---------- | I | |HDMI-1| |Notebook| | - | --------...
0
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0answers
21 views

SSH path clutter [duplicate]

When using SSH, my path seems to contain all sorts of additional, strangely formatted info. This started happening a while ago, I'm not sure if any software updates caused it. How do I get rid of this ...
0
votes
1answer
38 views

Problems with new Ubuntu installation

I recently bought a new HP Spectre x360 laptop and installed Linux (Ubuntu 16.04 LTS 64 bit) for the first time. I am seeing various bugs. I don't know if the problems are due to: (a) Hardware ...
2
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0answers
14 views

“No protocol specified” when starting Xorg via lightdm, but works when started directly

To start the X server on boot, use of a display manager such as lightdm seems to be the preferred method. However, if I start X by starting the lightdm service, I get a "No protocol specified" error. ...
0
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2answers
1k 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. ...
1
vote
1answer
14 views

Preparing a Ubuntu install for sharing

I have a virtual version of Ubuntu running in VirtualBox. Currently I have lots of personal information in it. I want to share the virtual image disk with other developers, but I don't want them to be ...
4
votes
1answer
1k views

xorg.conf XkbOption ignored for terminate:ctrl_alt_bksp to restart X

I want Ctrl+Alt+Bksp to restart X, so I created an xorg.conf rule: /usr/share/X11/xorg.conf.d/53-zap.conf: Section "ServerFlags" Option "DontZap" "false" EndSection Section "InputClass" ...
6
votes
3answers
899 views

Linux installation stops working after a few reboots

I'm trying to set up a dualboot Win8/Linux on my HP tablet (touchsmart tm2-1050ez). However, when I'm finished setting it all up, after a few more reboots, I'm not able to boot to Linux anymore, as I ...
3
votes
1answer
3k 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
0answers
33 views

Random URL's in access.log

My server recently started getting a massive increase in the number of random URL requests. 124.173.67.77 - - [23/Jul/2016:21:21:04 -0400] "GET http://www.059boss.com/index.php HTTP/1.1" 200 12040 "...
5
votes
3answers
9k views

rsync mkstemp failed Invalid argument (22) with davfs mount of Box.com cloud

I mounted Box.com cloud storage using davfs according to these instructions. I mounted my Box.com account under /home/me/Cloud/Box I can access the mounted filesystem via Dolphin as well as via the ...
1
vote
3answers
40 views

Run application built on Ubuntu on CentOS

Is there a way to deploy an application, that you built on Ubuntu, on CentOS? And if so, how? EDIT: Sorry, I should have given some more info. It's built on Ubuntu 15.10 with Qt 5.6, and besides Qt ...
1
vote
0answers
458 views

Is it possible to run iCloud Drive on Ubuntu?

I'm active Apple user, I have MacBook at home, but Linux PC on the work. One of most annoying thing for me is sync my personal data between home, work and mobile devices (like documents etc). At the ...
0
votes
1answer
474 views

Ubuntu warning. W: Duplicate sources.list entry

After installing Oracle VirtualBox, when I do sudo apt-get update, I get the following warning W: Duplicate sources.list entry http://download.virtualbox.org/virtualbox/debian/ raring/contrib i386 ...
0
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3answers
476 views

Error running Octave in Ubuntu 16.04

I just followed the answer in: How to install Octave without GUI in Ubuntu 16.04? to install octave in ubuntu 16.04 and apparently it worked fine. Running octave-cli in terminal apparently works But ...
2
votes
1answer
29 views

Create LXD containers on machine with no internet connection

Server: Ubuntu 16.04 Server, x64, no internet connection I have LXD installed but am having trouble getting an image to that server to use as a baseline for containers. I have tried two options so ...
3
votes
2answers
994 views

Cannot rm file: Disk quota exceeded

In bash (and over ssh) running rm FILENAME gives the error: rm: cannot remove 'FILENAME': Disk quota exceeded. I've seen the other posts (and everyting down the first page of google) on this topic and ...
0
votes
2answers
902 views

Vagrant: missing destination file operand after ‘/etc/exports’

I'm running Vagrant 1.7.3 with an Ubuntu 14.04 basebox, and I want to try out the new Puppet 4.2.0. However, when I run vagrant up on an empty VM, I get the following error: cp: missing destination ...
1
vote
1answer
23 views

Screen: List Windows in Session (Non-Interactive)

Is there a way to list the windows of a screen session from a non-interactive terminal? screen -S 'screen_name' -X windows According to gnu.org, this command displays the list of windows using the ...
0
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0answers
15 views

How do I make login screen appear after plymouth has finished?

Firstly I am running Kubuntu 16.04 and whilst I know there is an "Ask Ubuntu" instance of SE I suspect this might not be something purely for the Ubunutu family and therefore of more benefit to the ...
0
votes
1answer
955 views

java.lang.UnsatisfiedLinkError: libawt_xawt.so: libXi.so.6: cannot open shared object file: No such file or directory

I am trying to run an executable on remote Linux through Putty (SSH). When I run the executable on remote Linux through Putty I get the following error: Exception in thread "main" java.lang....
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0answers
21 views

Linux-PAM can't use custom PAM module - possibly related to multiarch

I've built a simple, custom, PAM module and the module works as expected with pamtester and with some other pam testing code I found online. I've also built a simple dotnet core application which ...
1
vote
3answers
50 views

Lost in the world of VPN

The Q. If i have a server, is it possible to have that server with a VPN connection, while simultaneously having an entirely separate connection to be able to SSH to from client machine. The Why. I ...
1
vote
1answer
24 views

Changing Linux Distro in Dual Boot (Win10, Manjaro(Arch))

First of all I'm very new in the linux world so please be as tolerant as you could. I try to be as clear as I could in order to explain my question. My problem: I had 2 OS with dual boot in my ...
3
votes
1answer
114 views

unable to install anything using apt-get because of insserv

Whenever I try to install something using apt-get I get the error messages involving insserv. I have tried install many different packages but everything give same error. And apparently, CUPS package ...
0
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0answers
21 views

What to do when i cant find mon0?

root@ubuntu:~# airmon-ng Interface Chipset Driver root@ubuntu:~# airodump-ng mon0 Interface mon0: ioctl(SIOCGIFINDEX) failed: No such device root@ubuntu:~#
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0answers
18 views

Connect Ubuntu to owncloud with webdav

I am trying to mount my ownCloud drive on my ubuntu instance hosted on AWS. As part of the tutorial I directs me to adjust my fstab entry. I want this to "auto mount" so my entry in fstab looks like ...
1
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0answers
48 views

Nemo file manager - change focus from the sidebar to the main view (automatically)

Edit: GitHub issue report I find it hard to change focus (either by keyboard, or automatically) from the sidebar to the contents view in Nemo 2.8.7 on Ubuntu 16.04. Nautilus does not have this ...
0
votes
1answer
31 views

Unable to login with static port on xrdp

I have installed xrdp on a Ubuntu mate 16.04 PC and set up xrdp on it. I would like to set a static port so that same session is always opened. But for some reason when I set a static port remote ...
0
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0answers
20 views

Installing kodi gives me the following error

Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or ...
0
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0answers
13 views

Error while starting a LXC container

I am facing error while attempting to start a lxc container. I am using LXD btw. The error that i face is : ubuntu@ubuntu-blade1:~$ sudo lxc start test error: Error calling 'lxd forkstart test /var/...
1
vote
1answer
22 views

How can I mount /usr on another partition but use a folder called /usr on that partition instead of using / as /usr?

Somewhat along the lines of this question, How to mount multiple directories on the same partition? but my situation is different. I have a 2 small partitions that I'm using for two variants of ...
0
votes
1answer
88 views

How to install Unison 2.40 on Ubuntu 16.04 xenial (to resolve “Fatal error: Received unexpected header”)

On my raspberry pi computers: pi@mizu:~ $ unison -version unison version 2.40.102 On my desktop ubuntu 16.04 xenial: kayd@Trunk:~$ unison -version unison version 2.48.3 When trying to ...
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0answers
11 views

Xubuntu: logout using dbus

I'm new with Xubuntu and I have question. I'm logged in as user A, create a process in the name of B, that process creates session(/etc/X11/Xsession default) for user B. I want to terminate a session ...
5
votes
3answers
6k views

Cannot access to web server, but can ssh to it

I have a Ubuntu server but there are some weird things I can't understand. I cannot ping to the server via IP address, but I can ssh to it. I can access to apache server inside the server via command ...
2
votes
1answer
802 views

nmcli freedesktop DBus warnings and errors

As soon as I do nmcli con up id <ESSID>, I experience some warnings/errors: ** (process:4841): WARNING **: async_got_type: could not read properties for /org/freedesktop/NetworkManager/...
0
votes
3answers
56 views

Is it a good practice to copy Go's binary distribution into `/usr/local/`? [on hold]

From Go's install webpage, Download the archive and extract it into /usr/local, creating a Go tree in /usr/local/go. For example: tar -C /usr/local -xzf go$VERSION.$OS-$ARCH.tar.gz ...
0
votes
1answer
28 views

how to make my dns server public?

i'm trying to make a public DNS server , my DNS server works only on my internal network but when i try to 'nslookup example.com myDNSserverIP(public ip)' it fails i'm running it on ubuntu 15.10-...
0
votes
2answers
36 views

Unable to clone git repository on ubuntu [closed]

While cloning git repository I am getting the following error Failed to connect to github.com port 443:Network is ureachable while I am able to clone on my windows machine Edited- git clone https:/...
0
votes
1answer
117 views

VLC media player window is overlaying other windows in Ubuntu 14.04 - compiz Window manager

I have Ubuntu 14.04 running on Oracle Virtual Box. Window Manager in Ubuntu is compiz. The issue I am facing is when I am playing a media file in VLC or any other media player the window is overlaying ...
0
votes
1answer
24 views

ubuntu 15.04 user experience with printer problems and suggestions for better printers [closed]

Change Title to: "I have a Canon MG3500 printer which SEEMS incompatible with Ubuntu 15.04 and LinuxMint-17, Anybody have workaround suggestions." ------------< title change above >--------...
0
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0answers
10 views

Unknown symbol usb_register_driver and usbderegister when inserting the kernel module without GPL licensing

I am a newbie to linux kernel modules. I have written a simple usb driver. The problem that I am facing is when I try to add module to the kernel I get the error "unknown symbol in module". in "...