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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Installing F23 with custom partitioning (after hapilly dual booting U16.04 and W10). Can no longer boot into the W10 partition

Ok, so I know it is a classic, but none of the solutions I found could do the trick;( I already had an Ubuntu 16.04 and a Windows 10 on said disk (and could use the grub to boot on either at ease). ...
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4 views

How to automatically fetch new name server on VPN connect

I am running ubuntu xenial 16.04 We are using openvpn to connect to a virtual private cloud. That cloud has it's own DNS server (as does our local route - home or office). When I connect to the VPN ...
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8 views

Find PCI configuration

In this page, Figure 6.1 shows an example of PCI configuration, with two buses. Using Linux (Ubuntu), is it possible to get the PCI configuration of the actual motherboard? I mean: determine how many ...
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How to fix the autofs procedure used for preserving the USB mount point in between reboots and USB reconnects?

I read the answers in this excellent Unix Stack Exchange article; Automounting USB sticks on Debian and tested it earlier yesterday on an Ubuntu Linux 16.04 instance , Lenovo Thinkstation quad core ...
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28 views

Debian/Security: How can we verify the Debian software and the download mirrors which provide it are safe? [on hold]

I asked the question recently at Information Security stack exchange, where this was met with "better to ask at the Unix/Linux debian community". Main question: This question is part of a ...
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0answers
36 views

Automate CP command [on hold]

I have multiple files to copy from one directory to another directory. Always I need to give whole copy command from source to destination. I want to automate this. Please anyone share ideas how to do ...
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1answer
758 views

Has anyone gotten deboostrap for jessie working from an Ubuntu host?

I am running Ubuntu 12.04, and trying to build an armhf Debian image for Jessie. I've done this before for Wheezy. The debootstap script doesn't seem to work if the target is Jessie however. Any ...
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25 views

How do I set up a udev rule to mount the SanDisk Cruzer USB upon insertion in order to eliminate an fstab entry?

Suppose I run sudo mount -a after setting /etc/fstab to: /dev/usbhd1 /path/to/mount/point ntfs rw,auto,nofail 0 1 Yesterday, upon asking what steps our architect and I should do next after a ...
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1answer
16 views

'python-software-properties' has no installation candidate while installing torch

I'm pretty new to Linux, I'm using Ubuntu and want to install Torch. I'm following this guide. The first line runs fine: git clone https://github.com/torch/distro.git ~/torch --recursive But fails ...
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37 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 ...
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2answers
49 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 ...
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3answers
71 views

Is it possible to make the device filesystem name , /dev/sd?1 , stay constant everytime we reconnect the SanDisk USB Cruzer drive?

Is it possible to make the device filesystem name , /dev/sdi1 , shown by lsblk -f stay constant everytime we disconnect and reconnect the SanDisk USB Cruzer drive? I am running Ubuntu Linux 16.04 on ...
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62 views

Where can I find 32-bit packages for the ubuntu running on IBM Power8 (ppc64le)?

I am looking for the following packages: gcc-multilib, g++-multilib, libc6-dev:i386, libssl-dev:386, libuuid1:i386, libkrb5-dev:i386. I can find them all for amd64, but none of them for ...
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1answer
16 views

Add a second authentication to user log in

trap '' 2 code=`oathtool --base32 --totp "xxxxxxxxxxxx"` echo -n Enter Code: read -s password echo "" if [ "$password" == "$code" ]; then echo "You are allowed in" else exit fi trap ...
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1answer
34 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 ...
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1answer
21 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 ...
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xcalib not saving brightness settings and other issues

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 ...
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0answers
19 views

I've installed and enabled ufw firewall, and I cannot connect to my vps server [on hold]

I've installed ufw firewall on my vps server, with ssh and web services. But, when enabled, the ssh connection lost, and I could neither connect to the hosted web via web browser. I have no access ...
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0answers
13 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 ...
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11 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 ...
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2answers
25 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 ...
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4answers
2k views

Is it safe to chown on /usr/lib?

Can I do this? sudo chown -R myUsernName /usr/lib I mean can I do this without worrying that my OS will be broken? Or permissions will be screwed up? Here is the reason why I would like to do it ...
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1answer
3k views

Consistent network interface name ubuntu using pci slot

One can set consistent interface naming via mac address by modifying /etc/udev/rules.d/70-persistent-net.rules. Can you establish consistent interface naming by PCI slot number? (I tried but failed) ...
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4answers
2k views

Installed Linux, now Windows doesn't boot anymore

I had a working Windows 8.1 which I used regularly. Today I needed Linux, so I chose Ubuntu and installed it from a bootable flash drive alongside Windows. Everything worked well, I could choose which ...
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19 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: ...
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1answer
3k views

/etc/fstab is mounting rw filesystem as read-only

A partition of my internal hard drive (not the root partition) I want to mount automatically on boot. I've been using /etc/fstab to mount my external backup drive automatically read-only, so this is ...
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1answer
69 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 ...
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0answers
37 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 ...
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3answers
23 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 ...
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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 ...
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1answer
749 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 ...
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0answers
39 views

Why does modifying /etc/fstab and starting the autofs service corrupt my home directory? [on hold]

I am running Ubuntu Linux 16.04 on a Lenovo Thinkstation. Yesterday when I modified /etc/fstab and started the autofs service, I lost access to my home directory /home/frank which I valiantly tried to ...
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1answer
46 views

Openvpn exclude ip in pool

I have an OpenVPN server running on a Linux Ubuntu box. Multiple clients connect to this server (500+) and that is why I set the server-bridge option like this: server-bridge 10.0.100.1 255.255.0.0 ...
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2answers
36 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.
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2answers
9k views

How to extend filesystem partition on Ubuntu VM?

I'm running Ubuntu Desktop 14.04 as a VM on a mac with vmware fusion. I'm getting space warning issues and now want to expand from 20GB to 200GB. I powered off the VM and on the vmware side ...
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2answers
46 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 * * ...
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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 ...
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1answer
28 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 ...
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1answer
931 views

Make bluetooth device invisible / disable incoming pairing

I am using the bluez package for my bluetooth usb dongle on ubuntu server. I want to be able to initiate bluetooth connection from the dongle to a device, however a device itself shall not be able to ...
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1answer
108 views

ubuntu server 16.04: cannot get supervisor to start automatically

I installed supervisor on ubuntu server 16.04. $ sudo apt-get install supervisor $ sudo update-rc.d supervisor defaults After rebooting, supervisor didn't get started automatically. Checked the ...
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4answers
8k views

tail -f, but with line numbers

I'm trying to see how many times foo bar appears in /var/log/foo.log within an arbitrary amount of time on a remote server, but nothing that I've tried so far has worked. I've already got a timer ...
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0answers
33 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 ...
11
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5answers
25k views

org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed] while running eclipse on ubuntu

I was trying to open eclipse in my ubuntu VM with the below commmand.. And as soon as I do that, I always get the below exception - ubuntu@username-dyn-vm1-48493:~$ eclipse Eclipse: An error has ...
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1answer
21 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 ...
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1answer
13 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 ...
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3answers
1k views

Linux Permissions vsftpd

I have mybb installed and running in /var/www/forums. I have two users part of the www group, logan and www-data. I have the recursive permissions of forums directory set to: chmod -R 755 forums ...
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1answer
2k views

pptp is refusing traffic

I have setup a pptp (VPN) server on CentOS 6.5. I can connect, but unfortunately, when I try to load a page, it hangs on 'Connecting...' I have no idea what could cause this... tail /var/log/messages ...
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24 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 ...
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39 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") ...
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1answer
1k views

Low display resolution Ubuntu Gnome remix 12.10

I'm running Ubuntu Gnome remix 12.10 and it can't recognize my display. My HW is: Intel i3 3225 with HD 4000 onboard / is on a OCZ Vertex 4 SSD display is an old IBM Thinkvision with vga connector ...