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)

0
votes
0answers
58 views

an error occurred while mounting /

I have a trouble with virtual Ubuntu image launched on Oracle VM VirtualBox. After last reboot I can't manage to run it, because I'm getting on start message: EXT4-fs (sda1): Couldn't remount RDWR ...
0
votes
0answers
20 views

How to restore lvm partition without config file?

Today I did update my ubuntu server. The device structure is looks like to below 1) sda1 # new os 2) sdb1 # origin /boot partition 3) sdb2 # origin swap partition 4) sdb3 # origin ...
0
votes
0answers
16 views

Check MX on ubuntu not working

I am working on mac and using vagrant with ubuntu When I am running host -t MX gmail.com on my mac I have gmail.com mail is handled by 30 alt3.gmail-smtp-in.l.google.com. gmail.com mail is handled ...
0
votes
1answer
31 views

Suspicious traffic in nethogs on fresh install

Earlier today google said that unusual traffic was emanating from my computer and gave me a captcha. I got curious and installed nethogs. Everything appears normal except for an unknown program ...
0
votes
0answers
29 views

Subprocess returned an errorcode

I'm trying to install TinyOS in virtual box on Ubuntu and am having some issues. The error I am getting is Errors were encountered while processing: /var/cache/apt/archives/openjdk-9-jdk_9~...
2
votes
0answers
56 views

How do Linux kernel modules get enabled in a Linux distro's kernel package?

Although I know how to recompile my kernel to enable a module I want, I'm curious to know how the default Linux kernel modules are chosen in a Linux distribution's kernel package. Taking a comparison ...
0
votes
1answer
98 views

Is it okay to modify Ubuntu Linux 16.04's /etc/fstab after I initialized it?

I modified /etc/fstab after I initialized it on an Ubuntu Linux 16.04 system running on an Lenovo Thinkstation desktop. After it messed up my Ubuntu Linux 16.04 system causing it to go into emergency ...
0
votes
3answers
26 views

Double sided DVD's: Is it possible to have a dual-layer (both sided) DVD that is usable for 9.4GB Distro Installs?

I was looking at installs with all my OSS software, and the 4.7GB limit was reached for install of a particular Linux distro. My question is is it possible to have a Double-sided DVD-RAM (i.e. the ...
0
votes
0answers
12 views

Ubuntu won't lock on lid close, lock keystroke, or settings -> lock on Ubuntu 12.04 LTS installed via croton to a chromebook

I installed Ubuntu via this guide http://lifehacker.com/how-to-install-linux-on-a-chromebook-and-unlock-its-ful-509039343 using the unity option instead of xfce. When I close the lid, hit the lock ...
0
votes
2answers
39 views

Tmux shortcut problem

While using Tmux, I tried to maximise the current pane using <prefix> z, and had a bit of a keyboard fail and accidently held down the prefix keys while pressing z, instead of letting go of the ...
0
votes
2answers
53 views

Uninstall Wordpress

I am still at the beginning and just wondering how to uninstall totally WordPress and then reinstall it. I installed first time from this tutorial.
0
votes
1answer
27 views

i3status alsa mixer

How do I get i3status to display the volume level from alsamixer instead of Pulseaudio? This is my volume configuration right now: volume master { format = "♪: %volume" format_muted ...
1
vote
2answers
52 views

Where are my lost cron jobs?

I am trying to port the code over to a new server hosted somewhere else, and I want to know what cron jobs are running on the old box. Where can I find these? crontab -l SHELL="/bin/bash" 0 0,6 * * ...
0
votes
1answer
31 views

Return owner of process given PID

I'm trying to grab the owner of a process from a list, I have the command pidof nmap to get the then ps -u <PID> | grep USER that I'm currently playing around with, but when I run it, it ends ...
0
votes
2answers
123 views

Eclipse Mars reacts delayed and crashes on Ubuntu 16

I´ve changed from Windows to Ubuntu 16.04 recently and when I'm running Eclipse Mars 2 (4.5.2), it reacts really slow or delayed. When I try to do anything like creating a new project, importing or ...
1
vote
0answers
36 views

how to create an icon button in X11?

I am using x11 library for creating a simple window application in Linux. I want to add an icon button (graphical button) to my app - something similar to this: Are there any instructions on how to ...
1
vote
1answer
14 views

Using chroot to restore Kubuntu 14.04

I have accidentaly purged some system files and now Kubuntu 14.04 won't boot past the start up logo. I read online that I can perform changes on my system through my LiveUSB and the BASH chroot ...
3
votes
1answer
23 views

Console keymapping

I have installed Arch Linux on my Thinkpad W530, and none of the Fn-Fx keys or the volume buttons work. However, they do work before I have booted into Arch at the Grub menu. (I can change the ...
0
votes
0answers
28 views

Practical method to safely use a USB stick on daily basis for Linux

Which practical method exist for safely using a USB stick on a daily basis, for Linux-based systems (e.g. Ubuntu) ? With emphasis over the following: I'm well aware that nothing is 100% secure ...
0
votes
0answers
44 views

Errors building and installing clBLAS on Ubuntu 16.04 (64bit)

I'm tring to build clBLAS from source on Ubuntu 16.04 (64bit). From the cmake configuration output it appear the dependencies have been satisfied. I'm being guided by instructions from here like so; ...
1
vote
0answers
25 views

xcalib not saving brightness settings and other issues [closed]

I have certain issues which I'll list below, I hope you can help me: 1.) I have xcalib installed, I use it to manually change my contrast settings (something not possible in ubuntu directly, at least ...
0
votes
0answers
30 views

ssh doesn't let you change your password ,if expired

abc@xyz:~$ ssh root@178.63.93.31 root@178.63.93.31's password: You are required to change your password immediately (root enforced) Welcome to Ubuntu 14.04.4 LTS (GNU/Linux 3.13.0-85-generic x86_64) ...
2
votes
2answers
68 views

How to Find LaTeX generated PDF files?

I need to find LaTeX Generated PDF files because I want to find those files made by me. I think find could possibly work here. OS X El-Capitan I run Ulrich's proposal find BitTorrentSync/ -exec ...
1
vote
0answers
26 views

Which script is responsible for mounting an HGFS share on an Ubuntu 16.04 guest running on a Windows host in VMWare Workstation 12?

I'm trying to change the permissions of the mount so that the owner of all files/folders in the shared folder residing on the Windows host doesn't default to root. I've found this http://www.zendbox....
1
vote
0answers
83 views

Ubuntu 16 stop lightdm and start xinit/xterm

I am working with Ubuntu 16. I have been able to stop the desktop environment using: sudo service lightdm stop Now I would like to start, from another terminal in a console environment, the X ...
1
vote
0answers
51 views

scp and rsync not working when executed within .sh files from “startup programs window”

With Ubuntu Mate 16.04, I have a file my_backup.sh like this: # Log just for trying echo $(date) >> /home/albert/dia_hora # BBDD NOW=$(date --date="yesterday" +"%d") FILE="...
1
vote
1answer
39 views

Increasing a Volume

I used Gparted Live cd to resize a volume group and logical partition when i reboot and try to use lvextend –l +100%FREE /dev/vda5 i get this message : Path required for Logical Volume "–l" ...
1
vote
0answers
91 views

Apt-get error : Writing more data than expected (7643558 > 7643216)

I am getting some weird errors with an ubuntu docker container: "Writing more data than expected (7643558 > 7643216)" Retrying the operations succeeded. I got this several times. I am running the ...
1
vote
1answer
41 views

xkill Used On Desktop

Mouse accidentally clicked on Desktop while active with an xkill terminal command. Which makes it completely without use. Have used nemo command which resets everything as long as terminal remains ...
1
vote
0answers
21 views

How to rename boot options with dual boot

I have Ubuntu and Windows 10 installed side-by-side, and the BIOS tool that's installed on the computer is called "Aptio Setup Utility". How can I rename the boot options, not just for the OS I'm ...
0
votes
0answers
34 views

CentOS “mount.nfs: access denied” to Ubuntu NFS server

I have a NFS server on Ubuntu 14.04.4 and NFS client on CentOS 7; can this work? I keep getting a "mount.nfs: access denied by server while mounting" error. I've tried turning off the firewall on the ...
2
votes
1answer
28 views

Is it safe to uncheck Ubuntu Recommended Updates?

I'm currently using Lubuntu 16.04 LTS . There are three options in Software and Updates app which are Important security updates (xenial-security) should be necessary. It doesn't matter having ...
0
votes
1answer
38 views

How to auto-mount shared SMB folder on logon?

I'm using Ubuntu 14.04. When I log on I see in the Files manager (near the bottom) this: I routinely click "Connect to Server" and then see this: I then double-click those and they are ...
0
votes
1answer
62 views

SVN connection refused (Ubuntu)

I'm trying to check out my repository, but it can not connect to my project archive and refuses the connection. When I try to checkout in Uni it works, but not at home. I tried to change the ~/....
2
votes
1answer
80 views

Android-x86_64 installer does not boot in QEMU/KVM - EFI Shell appears instead

I downloaded Android x86_64 5.1-rc1 as bootable img installation image. I want to install it to a virtual machine running on Ubuntu 16.04 64 bit with UEFI using QEMU/KVM and virt-manager as graphical ...
0
votes
0answers
54 views

FreeBSD or simply Docker for my old Linux server?

I have an old obsolete server running a Linux Red Hat server 5.9 and inside a special software for a power plant control and I've been asked to replace this server as not so much spare parts are in ...
1
vote
3answers
79 views

No more disk space, nothing eating my disk. Why?

I had 100% of disk use on /dev/xvda1 Which is the system partition, so I decided to mount /var/lib On another partition /dev/xvdf since docker files under /var/lib were eating much space. ...
0
votes
0answers
9 views

Mic input ignored in Win7 HVD running from Ubuntu 15, 16, but not 14

The actual symptom I'm seeing is on Windows 7, but I think the root cause is in Ubuntu. I have a CentOS7.2 laptop, which I run an Ubuntu VM from, and from that VM I run VMWare Horizon View to run a ...
1
vote
0answers
39 views

Pagemap on memory mapped devices not working

I am trying to find the physical addresses of heap variables, stack variables and memory mapped peripheral addresses using the /proc/{pid}/pagemap file using the steps detailed in the file: http://lxr....
1
vote
0answers
20 views

Crouton/linux problem

I've installed Ubuntu on my chrombook using crouton, so I can switch between OS's. However, the screen keeps flickering to chrome OS when I'm using Ubuntu. Does anybody know how this could be fixed? I ...
0
votes
1answer
33 views

Recovering a partition after being reallocated

I have two partitions, c and d. Recently, I've decided to install Linux Ubuntu on the machine, and intended to do that on the c drive. It seems however that I messed up something during the ...
0
votes
1answer
31 views

After 2nd tmux pane windows can't be opened

For the 1st pane on tmux, I had to do this but can open a window. For 2nd and all the rest of panes, I can't open windows. For example: $ echo $DISPLAY localhost:10.0 $ meld . & [1] 466 ...
1
vote
2answers
63 views

SSH connection to specific server refused

I have an ubuntu Server in Digitalocean. Normally, I can connect this machine with SSH but while I'm connected to my school network, when I wrote ssh root@IP , it freezes and never even ask my ...
0
votes
1answer
215 views

Ubuntu 16.04: How is the bonding kernel module gettting loaded automatically?

I recently set up an Ubuntu 16.04 system with a bonded ethernet configuration. Previously, it appears that to get this to work the bonding module needed to be included in /etc/modules or /etc/modules....
1
vote
0answers
225 views

Start vino-server in Ubuntu 16.04 lts

I'm trying to raise vino-server in Ubuntu 16.04 but I could not. I am using this script and let me start by terminal: # /etc/init.d/vino-server.sh start but not as a cronjob: @reboot /etc/init.d/...
0
votes
0answers
104 views

Ubuntu login loop, amongst other issues!

Before I explain the issue, please bear in mind that I am a complete newbie to using Ubuntu on a desktop. I have some Ubuntu Server experience and know the basics of terminal/CLI. Seems like this is ...
0
votes
2answers
52 views

How to create a virtual systemd service to stop/start several instances together?

I plan to host several instances of the same web app for customers using systemd. I would like to be able to stop and start each customer instance using systemd, as well as treating the whole ...
0
votes
1answer
56 views

Ubuntu 14.04 black screen after Nvidia Driver 352

I wanted to make use of my Nvidia graphic card so after a little bit of reading I saw that it is possible to change it in the Additional Drivers. It's somewhat similar to here: Ubuntu 14.04 Nvidia ...