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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2
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44 views

Symbol lookup errors in (Qt?) dynamically linked libraries

I'm using Ubuntu 15.10 Problem: For some days now I have been getting Errors like this when opening some applications: /usr/lib/x86_64-linux-gnu/libpoppler-qt5.so.1: undefined symbol: ...
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0answers
96 views

Ubuntu 15.10 Desktop x86-64 Enabling manual login leads to “The system is running in low graphics-mode”

I prefer manual login in both Windows and Linux. With past Ubuntu releases, sudo sh -c 'echo "greeter-show-manual-login=true" >> /etc/lightdm/lightdm.conf'achieved this perfectly. Now, with ...
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1answer
17 views

tmux reEnter to a session and save a session

\ I am a new ubuntu user. kindly, using ubuntu (terminal) I could open tmux session and open my R program then run the script, the script prints text on the scree. my question(s) are: how to re enter ...
0
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1answer
164 views

Asus UX303UA rebooting instead of resuming from suspend (ubuntu 15.10)

I installed ubuntu 15.10 (kernel 4.2.0-22-generic) on a brand new Asus UX303UA laptop. Almost everything works fine, but I have some trouble with suspending: When the laptop is plugged in (charging), ...
0
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2answers
54 views

How to set up Python path?

I have uninstall anaconda2. but now when I run Python command in terminal it says "bash: /home/user/anaconda2/python: No such file or directory" now how can I set to Python when I have python 2.7 in ...
4
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5answers
370 views

What is a symbolic link made from? Understanding the structure of symlinks

I use Ubuntu 15.10 and I'm very new in Linux. After reading in Wikipedia what is a symbolic link in general, and after executing a symlink creation command in the Ubuntu Unix-bash terminal, I ought to ...
0
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0answers
38 views

“Process cannot access the file” error with .net app under wine

I have a legacy .NET app (dotnetapp) that works fine on Windows XP and has been for many years. I setup Ubuntu 14.04 in a VirtualBox VM to try and see if I can get the app to work under Wine on ...
1
vote
1answer
20 views

Some packages cannot be installed using multi-arch (take two)

Note: This question has been previously asked on askubuntu.com but was rejected as off-topic, and instead, I was redirected to this site. Therefore I'm reposting it here. I'm trying to compile a ...
0
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1answer
17 views

Restore boot parameters to default value Linux

I feel my system is getting slower and slower. I am using Ubuntu and my machine is HP ProBook 450 i7 4x2.0GHz, 8GB RAM and an optical HD. Still it takes ~2 minutes to boot, which in my opinion is way ...
0
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0answers
39 views

How to configure Mate to automount a disk despite kernel errors?

I am attempting to connect a Marantz Professional sound recorder over USB to a Raspberry Pi running Ubuntu Mate 15.10. The sound recorder should mount as a USB disk. I am receiving buffer overflow ...
0
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0answers
44 views

dpkg-deb: error: control directory has bad permissions

I'm running an Ubuntu 12.04 VM and trying to convert an rpm file to a deb file. When I run sudo alien --to-deb --scripts oracle-xe-11.2.0-1.0.x86_64.rpm I get this error dpkg-deb: error: control ...
1
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3answers
47 views

Is it safe to disable shell access to all users listed in /etc/passwd?

I have just read about how to disable shell access for users in Ubuntu in this post for security reasons. Is it safe to disable shell access to all users listed in /etc/passwd except the root:x:0:0 ...
0
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0answers
10 views

keyboard layout bug in Trusty 14.04

My default layout is AZERTY, but i also have the QWERTY layout (don't know why, my keyboard is AZERTY) and sometimes after booting my computer, QWERTY is selected automatically while itdisplays to be ...
0
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0answers
42 views

IPTables if more than 30 connection in 1 minute ban IP for 1 hour?

I am trying to setup a firewall that limits to 3 connections per IP and also ban the IP for an hour if > 30 connection attempts in one minute. Is this all possible with iptables? So far I have only ...
5
votes
1answer
43 views

Determine if a graphics card is new

The 1 GB ATI/AMD dedicated graphics card of my Dell Inspiron N5010 laptop failed recently and I got it repaired from a local laptop service center as the laptop is out of warranty. The service man ...
0
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0answers
30 views

Ubuntu routing tables problem

I'm having an issue with ubuntu's server network traffic rules. Ubuntu server's version is 14.04. I have a zabbix server monitoring serveral hosts. 2 days ago, about 14 hosts started reporting down. ...
2
votes
2answers
101 views

Xt error: Can't open display!

I am trying to run xterm on my Virtualbox ubuntu VM, but when I run xterm on the VM, I keep getting the message xterm: Xt error: Can't open display!: xterm: DISPLAY is not set When I run xterm ...
0
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1answer
54 views

Xterm: No absolute path found for shell: 500

After sshing (using putty with X11 enabled) into my virtual box VM, I tried to open an xterm window. However the following command: xterm -sb 500 or even /usr/bin/xterm -sb 500 returns the ...
0
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0answers
21 views

opencv webcam problem

I started the webcam using openCV but (stupidly) did not assign code for proper closing up of resources. So now the webcam is stuck. How can I restart the webcam without rebooting ? I know rebooting ...
1
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0answers
27 views

' user account ' [closed]

i cannot access my user account. the only thing i see in front of me is the display screen, with no icons at all. the only way i can use my computer is through the guest account. and everything that ...
0
votes
0answers
37 views

Grey screen when using tightvnc and trying to run xfce4

I have an Amazon ec2 instance. I am attempting to run a dedicated arma 3 server on it. Part of this it to set up a repository on the server. The program I want to use requires a GUI. This is the ...
1
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0answers
36 views

Easy way to boot Windows and more than 1 linux distros?

So originally I had installed Windows 7. Then a couple of weeks ago I installed Debian. I now wanted to try Ubuntu so I installed it without taking to much care for the booting process, I let Ubuntu ...
0
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0answers
31 views

ubuntu Crontab not running properly

I have to run crontab in xvfb display mode forever when the system restarts...below is crontab code.... @reboot nohup Xvfb :1 -screen 0 1024x768x24 & export DISPLAY=":1" @reboot /usr/bin/forever ...
0
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1answer
29 views

Cannot start minecraft server on Ubuntu Snappy with docker

I have a Raspberry Pi with Ubuntu Snappy on it. I've installed minecraft server with docker pull itzg/minecraft-server Following the instructions from ...
0
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0answers
59 views

Ubuntu 14.04 VBox VM boot with minute delay

I am running Ubuntu 14.04 inside VirtualBox 5.0.10 r104061, installed from the mini.iso from Canonical. Somehow, booting has gotten a huge delay (edit: 'huge' for me being... a good minute staring ...
2
votes
1answer
75 views

Add Ubuntu Repository to Debian

I would like to know how I can add the Ubuntu repository with Debian's, as there are some drivers and games I want that aren't on the Debian repository. For example, darkplaces is a game I want that ...
0
votes
2answers
12 views

Significance of md5sum file in debian package source

I have one debian package source with md5sum file inside DEBIAN directory |-- DEBIAN | |-- control | |-- md5sums Now my question is when this file will be used? Will it be useful for integrity ...
0
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0answers
18 views

Ubunut 14.04 route timeout

i add a static route in /etc/network/interfaces up route add -net 10.0.0.1 netmask 255.255.255.255 gw 192.168.0.12 But at night the Gateway 192.168.0.12 is shutdown for backup 2 hours. Now every ...
1
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0answers
16 views

Recommended way of repackaging proprietary deb packages, which include old system libraries

Intro Long story short, in couple projects I'm using some stereo-cams. Unfortunately, manufacturer provides packages (rpm and deb) for user-space drivers which are not exactly properly formatted ...
2
votes
1answer
45 views

Access iphone storage as device/partition

I am working on a project, in which the ultimate goal is to successfully wipe iOS from an iPhone and install TinyCore Linux in it's place. I expected the iPhone to function like an external drive when ...
0
votes
0answers
42 views

why do i see the error 'stdin: is not a tty' when using x2go to remotely connect to several linux OS distributions?

I can see that several questions have been asked and answered regarding the error message stdin: is not a TTY with regards to SSH terminal connections between machines. However, I am using X2goserver ...
1
vote
2answers
114 views

Ubuntu and Windows 10 dual boot

I just got a new PC with Windows 10 on an SSD. With my previous PC I had two hard drives, one with Ubuntu 14.04, one with Windows 7. I dual booted flawlessly with that setup. Now, I have moved these ...
0
votes
1answer
25 views

Ubuntu OS installation on Baremetal Server

We are in verge of creating an automated script for OS installation on Bare metal server. We tried using Cobbler , however the DRAC version was getting supported only till 6. However, we have only ...
0
votes
1answer
24 views

How to upgrade Open VSwitch in openStack Kilo

I'm using OVS integrated with OpenStack Neutron. OVS' version that I use is 2.3.2 and I want to upgrade it to the latest version released in Sep 2015. I tried to upgrade it by entering "apt-get ...
2
votes
1answer
39 views

Boot menu not showing Ubuntu 12.04 installed alongside Ubuntu 14.04 & Windows 8.1

I know the question looks similar but I did not find any answer to my problem, hence posting it here. Thanks in advance for any help. I had Ubuntu 14.04 installed alongside Windows 8.1 and both ...
0
votes
0answers
24 views

vmlinuz damaged

Hello everyone I am new here. I recently purchased Ubuntu 14.04 LTS DVD from a retailer store. Then I burned the iso into my pendrive and configured the file isolinux.cfg. The file was alright. ...
0
votes
1answer
29 views

What is the difference between JeOS and minimal OS

I see that recently a lot of Linux vendors are introducing JeOS version of their Operating System which by its definition and features looks to me like a minimal OS that has already been around for a ...
0
votes
0answers
18 views

dstat not installed with cron

I have an auto install bash script triggered by cron, when some condition is met, the install process is triggered. It essentially looks like this: #!/bin/bash if [[ -f "/usr/bin/apt-get" ]]; then ...
0
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0answers
56 views

WiFi not working properly in Ubuntu 14.04 LTS on Macbook Pro

I just installed Ubuntu 14.04 LTS on my Macbook Pro. Everything seems to work fine except the WiFi. The wireless connection is very slow and intermittent. Wired connection works like a charm however. ...
1
vote
1answer
60 views

logrotate fails to rotate logs: error setting owner

Recently I've noticed that logrotate does not rotate my logs. user1@host:~$ /usr/sbin/logrotate /home/user1/logrotate.conf -v gives me an error: error: error setting owner of /home/logs/mylog.log.1 ...
-2
votes
1answer
93 views

E: sub-process /usr/bin/dpkg returned an error code (1) while updating php

I tried to update php to php5 and getting below errors. root@Ansible-VirtualBox:~# apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done ...
0
votes
1answer
25 views

Weird cpu-load pattern

I am facing a strange (and rather annoying) problem with my laptop set-up: dual boot "Windows 10" and "Linux Deepin 14.2 (based on ubuntu)" problem: starting up with linux at the beginning ...
2
votes
1answer
74 views

An error occurs when I try to install ROOT

I' using Ubuntu 14.0. I want to install root. So I followed the instructions: https://root.cern.ch/building-root I'm stuck in the fourth step. I downloaded and unpacked ROOT in the directory ...
0
votes
0answers
12 views

Export network module from one live distro and import into another?

I have two live distros installed on a thumb drive with YUMI. One is a flavor of Ubuntu, and the other is a flavor of Puppy Linux. I want to use Puppy Linux as my primary distro, but it does not ...
0
votes
2answers
43 views

Gimp misses libraries after installing a compiled version and removing the package

I was trying to remove the older Gimp version in order to install the latest version on my Ubuntu 14.04, I've compiled and installed it. When I start gimp, it says that it was installed in the same ...
3
votes
2answers
100 views

how to upgrade a single package in debian

I'm currently running debian 8 and I want to upgrade security patches which is provided by debian but problem is that, if I upgrade a single package then it asks to upgrade many packages, as in: $ ...
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vote
0answers
46 views

When no dhcp server answer, how can I force dhclient to use the static lease from dhclient.conf instead of a previous dhcp lease?

I have a piece of equipment I would like to default to a specific IP address when no dhcp servers are available. I have set the following static lease in /etc/dhcp/dhclient.conf: timeout 30; lease ...
5
votes
1answer
109 views

Why do you need PulseAudio?

I'm reading and trying to understand why would anyone want to use Pulse Audio and I'm failing to understand. I read this ...
1
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1answer
32 views

how to make swap permanent in vm?

I create the ubuntu vm by vagrant. I want to add the swap to vm. the steps: mkdir /swapfile cd /swapfile sudo dd if=/dev/zero of=swap bs=1024 count=2000000 sudo mkswap -f swap sudo swapon swap add ...
0
votes
0answers
60 views

How to tether Ubuntu guest to iPhone on Windows host using Virtualbox?

Here's my idea: at work, I am behind a firewall and can't access most of the web. I'm on Windows 7. I installed virtualbox with an Ubuntu 14.04 guest. I want the guest to use my iPhone personal ...