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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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 ...
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1answer
28 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 ...
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1answer
124 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 ...
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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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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 ...
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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 ...
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1answer
37 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 ...
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23 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 ...
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0answers
14 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/...
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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 ...
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1answer
97 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 ...
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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
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1answer
804 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/...
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3answers
59 views

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

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 ...
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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-...
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2answers
43 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:/...
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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 ...
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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 >--------...
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0answers
11 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 "...
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0answers
65 views

Problem installing nvidia driver 920M on ubuntu 14.04

I am a Linux beginner. I installed ubuntu 14.04 alongside win10, on my new asus laptop. My system is powered by a geforce 920M. The problem is that after I install the nvidia driver (The system ...
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1answer
17 views

VirtualBox Host - Ram Question - Mem Free Vs Mem Available - Possible Mem Leak?

I'm wondering if our system has lots of free RAM, or if its almost out. I read here regarding MemAvailable but I am wondering how it applies to VirtualBox as I am sure thats the reason the numbers I ...
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3answers
328 views

MySQL server on Ubuntu fails to start after changes made to my.cnf in Windows

I have MySQL 5.5 running on Ubuntu Server 12.10. When I run /etc/init.d/mysql restart, I get the following: mysql start/running, process 2754 However, when I open /etc/mysql/my.cnf in Windows via a ...
0
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1answer
16 views

lxsession-logout vs lxde-logout

I'm new with lxde, I installed it on ubuntu 14.04 using sudo apt-get install lxde. But the problem I have is that I want to logout without a prompt. I've read some articles about this and they ...
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3answers
2k views

How can I make the screen black and white?

This is basically to transform the screen (of a laptop), into a black and white screen. I am using Ubuntu 13.04.
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2answers
55 views

Apache access.log getting updates after renamed

I have a file on my Ubuntu system called access.log that file get all my errors on my website. The problem is that file its to big right now so I renamed for access-old.log and create a new file ...
2
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1answer
2k views

Ethernet Connection not working on Ubuntu 14.04 (with Windows 10 dual boot)

I've dual booted Windows 10 (first) with Ubuntu 14.04. The ethernet works fine when logged into Windows, but when I log into Ubuntu, The Connection Icon (right on the top tray) shows the wireless icon,...
2
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2answers
428 views

Running ubuntu binary on CentOS with all shared libs installed results in ld SIGSEGV

I'm trying to get a binary compiled on Ubuntu to run on CentOS 7 (both 64bit, one host, the other vm). So far I've copied the binary with all the shared libs. I no longer get the missing library ...
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3answers
296 views

Change documentroot on Apache 2.4 [closed]

I knew how to do it on Apache 2.2, however, how do I change the document root on Apache 2.4? I run Debian 8.20 on a Virtualbox VM as my apache server and Ubuntu 15.04 as my host OS. I tried to change ...
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2answers
220 views

How can I reach an open & listening port on Linux?

After forwarding the port I wish to open, I cannot seem to connect or get any data to this port. The PHP CLI software I have written is listening to the port actively on Ubuntu 14.04. Part of the code ...
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7answers
42k views

keyserver timed out when trying to add a GPG public key

I am trying to add a public key for installing a program with CPG. But i am pretty new to this but every command i found gave me the same error: gpg --keyserver keyserver.ubuntu.com --recv-keys ...
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0answers
31 views

Unknown runlevel on Ubuntu 14.04, services not starting on boot

I rent a VPS from a VPS company and run an Ubuntu 14.04 web server there. Recently it had to be suspended by my provider for a while. After the suspension period (1-2 days), the VPS boots, but cannot ...
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1answer
31 views

Bash scripting [keyboard input needed] [duplicate]

I'm new in Linux and I'm trying to make my first bash script to improve my work at college. Im working with a software called GROMACS and I'm trying to make a script to perfom a bunch of codes at the ...
0
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1answer
28 views

Launching graphical application from tty to improve performance

Would there be any performance increase by opening a tty terminal and exec application as opposed to launching from a DE/WM, or would that only be the case if I were to boot without starting xorg (...
2
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0answers
42 views

Change resolution of text console

I bought an xps laptop with a 4k screen. Because of this, the font-size of my text consoles (Ctrl+Alt+[F1-F6]) are quite tiny. So I tried to change the resolution by editing /etc/default/grub like it ...
5
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2answers
1k views

How to open tty or execute some script when the shortcut Ctrl+Alt+F[1-6] doesn't work and X11 is partially frozen but system is still working?

I'm using Ubuntu 10.10 with Gnome on Acer Aspire One netbook. The X11 or just some parts of Gnome like panels and partially windows (details described below) are frozen which doesn't allow to do ...
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0answers
14 views

Configuring Tripwire on multiple hosts on one report

I have set up Tripwire on one of my servers but I would like to implement the same policy to run on multiple hosts. I would like to configure them so they all report to one email. Is this possible? I ...
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0answers
18 views

Unable to execute backup commands in a Virtual Tape Library

I have created a virtual tape library with mhVTL based on the steps given in this link. When i try to list the tapes with lsscsi -g that are mounted it showed. [0:0:0:0] disk ATA ...
2
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1answer
62 views

32bit EFI with 64 bit linux OS. Can it be done?

I have a 32bit ubuntu linux install on an hp stream 7 tablet. For the sake of long term support I would like to install 64bit ubuntu linux on this device. The tablet has a 64 bit intel baytrail ...
2
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2answers
2k views

`ERROR: Failed to build gem native extension` while trying to install compass

I am using Ubuntu 14.04 I tried this command sudo gem install compass and it gave me this error: Fetching: multi_json-1.11.2.gem (100%) Fetching: compass-core-1.0.3.gem (100%) Fetching: compass-...
0
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1answer
20 views

Kerberos in Ubuntu system

I would build a kerberos authentication system on Ubuntu based machines. I'm making it for a school project. So i have some questions: 1)What do i need to make client-KDC-server? Do i need a domain ...
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0answers
23 views

ssh: permission denied (publickey) after restoring to a backup that was known to work at the time of backup [duplicate]

So I have a few servers set up behind a bastion. I usually hop from bastion -> server A -> server B using agent forwarding. One day I try to log into server B and for no reason apparent to me I gives ...
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3answers
8k 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 ...
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1answer
136 views

Ubuntu - Xrandr doesn't change my resolution

I'm trying to change my resolution using xrandr command line but when I type in a terminal xrandr --output LVDS1 --mode 1600x900_60.00 (which I added using --addmode), it doesn't change my resolution ...
1
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1answer
466 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 ...
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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 ...
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0answers
7 views

No sound for msi CX61-2QC [ubuntu]

ivan@ivan-CX61-2QC:~$ cat /proc/asound/cards 0 [HDMI ]: HDA-Intel - HDA Intel HDMI HDA Intel HDMI at 0xf7a14000 irq 35 1 [PCH ]: HDA-Intel - HDA Intel PCH ...
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1answer
894 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 ...
1
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1answer
18 views

Starting additional OpenVPN connection under systemd

I have a couple of OpenVPN connections to various servers that are autostarted when I log into my laptop. Other connections, to production servers, have to be set up manually. Until recently I ran ...
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2answers
1k 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 ...