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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SHELL definition in /etc/default/useradd has no effect

I'm running Ubuntu 14.04 via Vagrant. Within /etc/default/useradd, I've defined the SHELL setting to be /bin/bash. useradd -D reflects this setting, however it doesn't honor the setting when ...
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1answer
40 views

Backup a 50Megbyte ubuntu linux subdirectory tree to a LG Ultra Slim Portable DVD Writer

I would like to backup my 50 megabyte home directory /home/frankc on my Ubuntu Linux 14.04 LTS desktop Lenovo computer using a LG Ultra Slim Portable DVD Writer. The directions for the LG Ultra Slim ...
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12 views

Async or Parallel PAM Authentication

I did a long google search on PAM authentication. From various sources what i learned is There is a PAM Call stack, which loads config files from different sources. Based on order of modules,its ...
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0answers
28 views

rsync can't update a folder that has no x permissions

I have an rsync job running in one server that keeps folders in sync. The job is running as root in one server and transferred to a backup server as normal user. In the origin server one folder ...
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11 views

Run VNC at startup as root - HOME variable not being set

I have the following code in /etc/init/vnc.conf (used by Ubuntu 14.04's Upstart): description "VNC on start" author "user129013" start on runlevel [2345] exec /root/vnc The job is running ...
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1answer
24 views

XWayland not in Ubuntu

I am trying to get Wayland to run on Ubuntu 14.04. I found a webpage that has step by step install PPA and then do this next steps, but it is not working. I am trying to get it to working in VBox ...
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1answer
35 views

How to automatically start TightVNC server as root on Ubuntu startup?

How can this be achieved? I want to boot the headless Ubuntu 14.04 box and have it start TightVNC as root.
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1answer
14 views

Screenshot non-rectangular extended desktop

I have just added a second (larger) monitor to my Ubuntu box, when I take a multi-screen screenshot with (eg) scrot or xfce4-screenshooter I get garbage in the corner which is normally not seen: ...
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1answer
26 views

Likewise-open for Ubuntu 14.04 Not available?

I have found references to this issue around, but nowhere seems to post a solution that works for me. I have tried: sudo apt-get install likewise-open However this returns: Reading package ...
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2answers
24 views

Why does .pam_environment not include $HOME in my new path?

I created a /home/myname/.pam_environment file containing PATH DEFAULT=${PATH}:${HOME}/apps/flyway But my new path doesn't end with /home/myname/apps/flyway. Why not? $ echo $PATH ...
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2answers
64 views

Is it OK to install 32 bit linux on virtual pc on 64bit windows system?

I am trying to download ubuntu 32 bit to run in virtualbox. is it ok to run 32 bit os on virtual box in my windows 64bit pc? or do i need to download only 64 bit os to run in virtual box of my 64bit ...
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1answer
22 views

Cryptsetup: LVM is missing (on a system without LVM)

So, I have a problem with the partitions setup of my laptop. I will try to include as many details as possible in order to make it easier to help. In the past, I had an ubuntu 15.10 system on my ...
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1answer
35 views

Downgrade from Wily to Trusty

I've upgraded from Ubuntu Trusty to Wily using apt-get dist-upgrade Is there a way to downgrade to Trusty? I found a few software packages I cannot install.
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0answers
25 views

Unmounting external drive takes tremendously long

This morning I copied around 200GB of data to a quite old USB2.0 1TB external drive. The copying took around 2 or 3 hours. Afterwards I unmounted & the unmounting is still going on (after more ...
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2answers
27 views

Change user maildir to custom location upon creation of the user

I use Ubuntu 14.04.3 LTS . How to change the location of the Mailbox /home/user/Maildir/ to /Location/Mail/? I dont have to create home directory for that user. I did some changes in the ...
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1answer
16 views

Can't Launch Freemind in Ubuntu 15.10 - Please Advise

For a long while I've had difficulty launching the program Freemind in Ubuntu 15.10: sudo apt-get install freemind Please take a look at the bug I submitted: ...
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1answer
27 views

Can I install Ubuntu into a RPi2 remotely?

One friend of mine would like to install ubuntu mate into his new Raspberri Pi 2, but he would like me to help him trough the installation steps. My problem is that I am not aware if Ubuntu can run ...
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1answer
30 views

How do i create create a bridge for virtual machines

so the issue is that i am using hetzner for my server hosting and they suck at making any working tutorial. i have purchased a /29 subnet block. 136.243.229.24 / 29 - subnet 136.243.6.76 - main ...
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1answer
36 views

Can't boot Linux from usb on Thinkpad W540

i've Ubuntu, Fedora, Kali mounted on 3 USB sticks and can't boot from any of them. i've disabled (fast-boot) option in windows and also made the following changes to BIOS : *secure boot: disabled ...
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0answers
31 views

MOTD not displayed after installing openssh from source

On Debian Wheezy the default openssh server package displays the motd from /etc/motd. When i compile it from source (openssh-6.0p1) it won't display the motd anymore after an ssh login. Configure ...
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0answers
23 views

E: Sub-process /usr/bin/dpkg

I get an error message when I try to run sudo apt-get remove/install. It happened because I was trying to install texlive, but i ran out of root disk space and the installation was cut off. Because I ...
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0answers
20 views

Configure Sub-Menu button in kodi?

I use mimic skin with kodi 15.2 installed on my Ubuntu PC. Now I would like to change the onclick event of a submenu button(eg power>quit). I tried modifying Includes_Menus.xml but the button still ...
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2answers
69 views

Unable to create Kali Linux bootable USB with Windows10/Ubuntu

I am trying to Triple boot Kali Linux with windows and Ubuntu. Ubuntu and Windows 10 are both already installed on my Dell-Inspiron. I was following the tutorial at this page to make the Bootable Kali ...
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1answer
21 views

Repair Bad Ubuntu Installation With Grub Rescue & No Changes to BIOS

I have a old Dell PP01X laptop (it has a floppy disk reader & an external wifi card) which I tried to install Ubuntu on. To do this, I partitioned the drive into 3 parts (windows, linux, and swap ...
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1answer
23 views

How to Upgrade LinuxLight from Trusty to Wily

I'm giving LinuxLight 2.8 beta a try, and have noticed it's completely based on Ubuntu Trusty. How can I go about upgrading it to Ubuntu Wily? Is it possible to replace my current repos with the ...
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1answer
28 views

Understanding the automated mounting of USB Thumbdrive and doing it myself

I can break this down into two subcomponents: Why/how does this automated mounting procedure create (and destroy) it's own mounting point? Why do I have to manually create my own mount point when ...
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1answer
16 views

How to send all keystrokes to a screen session?

I am starting a screen session with screen /dev/ttyACM0 115200. The system I am opening a session to is running Ubuntu, and I would like to pass it Ctrl-Alt-F1. How can I make screen capture those ...
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51 views

can't get bluetooth to work from a Ubuntu 14.04 LTS derivative running Linux Mint 17.3 “Rosa” MATE Desktop

dmesg | grep -i blue resulting output from code above is the following [ 31.686537] Bluetooth: Core ver 2.20 [ 31.686599] Bluetooth: HCI device and connection manager initialized [ ...
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0answers
11 views

KDE 5 plasma desktop slow filesystem operations

I have KDE 5 and Plasma Desktop, Kubuntu 15.10, and there is one annoying thing: file operations works very strange. If I'm removing some file first time until system was power on, KDE starting to ...
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0answers
47 views

RTS5129 Card Reader with Ubuntu 15.10

I recently bought a notebook, it's an Acer Aspire VN7-571G and it has an integrated SD Card reader. I've never used it since I bought it but I noticed today that by inserting an SD Card into the ...
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1answer
27 views

Rollback all apt-get packages to the maximum available under the actual sources.list

Given that APT has the power of the super COW and this should be amazing. There's a simple, elegant and working way (because I tried with pin solutions proposed as well as the preferences file, and ...
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1answer
43 views

Can't fix my boot partition — can I restore Ubuntu from a copy (not properly imaged) of my partition?

On my old Ubuntu system (the one I'm trying to restore to) I had a boot partition /dev/sda1, my main OS partition /dev/sda2, and a swap partition /dev/sda3. I mistakenly formatted over /dev/sda1 ...
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1answer
48 views

CUPS Error Printer is not Responding

I've purchased generic USB POS Receipt Printer and on supplied mini CDROM I've got driver installation scripts (binary) for 32bit and 64bit Linux. Since I am working on 64bit Ubuntu 14.04.3 LTS with ...
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0answers
34 views

Autostarting .desktop application at startup not working

I have read that adding a .desktop file to /etc/xdg/autostart can start an application at startup. I did the same to execute my application. But nothing happens on startup. Following is the content of ...
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0answers
36 views

Ubuntu Server: How to make bootable bios_grub RAID device?

I have a stable Ubuntu (14.04.3) Server-powered file server that I have set up, and want to set up a RAID10 array for it. For reference, I have been following this guide so far, but using RAID10 ...
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1answer
51 views

Ubuntu 15.10 Network Interfaces Name

I have just installed (fresh-installation) over VMware Workstation 10 an Ubuntu 15.10 64-bit virtual machine. Here, network interfaces names have been changed from 'ethX' to 'enXXXX'. My target is ...
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1answer
16 views

UFW: Allow traffic only from a dynamic IP on its last 2 elements

I am trying to setup the following rule on ufw: ufw allow from 217.87.123.0/24 So to allow incoming connections from all 217.87.123.* addresses. The problem is that my IP does not always start ...
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1answer
33 views

Why isn't ext listed for file system types supported by my kernel?

I follow the reply here to list the types of file systems that my kernel can support. Why doesn't ls /lib/modules/$(uname -r)/kernel/fs list ext? My Ubuntu uses ext4 file systems.
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2answers
34 views

ssh linux to mac inside and outside lan

Hi this is my first post and I was wondering if anyone can help me? I have ubuntu on my home pc and I want to be able to ssh to a macbook. When they are both on the same wifi network it's no problem, ...
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0answers
21 views

Most efficient for multiple distros on one machine

My laptop – which is my main everyday computer – is currently dual-booting Win10 and Ubuntu 14.04 (though I almost never use Windows). I recently tried out a USB boot stick of the live ...
0
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1answer
26 views

Auto mounting external hard drive not working

so I'm trying to mount my external hard drive automatically on my server running Ubuntu 14.04. I've tried editing fstab directly, I've tried gnome disks and I've tried Usbmount. None of them work ...
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0answers
33 views

Disable isc-dhcp-server form startup

I am working with isc-dhcp-server on ubuntu 14.04.1, and i don't want that it run on start up so I disabled it from rc with sudo update-rc.d -f isc-dhcp-server remove But it still run on startup, I ...
0
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1answer
13 views

Installing Linux as the primary OS on HP Pavilion DV-7-1225-ez

I have an old entertainment laptop, HP Pavilion DV7-1225ez, which I would like to turn into a portable development/learning computer. I am now going through various linux distros to find the most ...
2
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1answer
35 views

How to check who run updates or installed packages on Debian?

I'm in the rather strange situation where I don't trust all users with sudo rights and there's nothing I can do about it. I would like to check periodically if anyone but me installed any packages or ...
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31 views

How to install ubuntu on live USB stick that I booted from?

I have a old netbook with single USB port and broken harddrive. I've somehow aquired a 16gb lubuntu 15.10 willy live USB. I want to use this as primary OS on my netbook. Since I don't have access to ...
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12 views

LXLE defaults to non-graphic UI on boot, cannot launch LXDE

I installed LXLE (latest ubuntu LTS version w/ LXDE) on an old laptop. During the live session and installation, the GUI worked fine. During installation I chose "automatic login" and upon first boot ...
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27 views

Installing Ubuntu and PostgreSQL database on different drives

I just received a new root server with the following drives: Disk /dev/sda: 480 Gb Disk /dev/sdb: 480 Gb Disk /dev/sdc: 240 Gb This one: ...
4
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1answer
65 views

Linux Mint: pastebin is in /usr/local/bin

I'm running Linux Mint 17. I found a pastebin python file in /usr/local/bin In light of what people use pastebin for, was this a security risk? Output from the stat command: File: ‘pastebin’ ...
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27 views

Is “<command> &” same as demonizing a process in Linux? [duplicate]

We all know that any command succeeded by ampersand (&) makes it run in the background. Can we use it instead of demonizing tools? For example: In order to run nodejs server, we use use packages ...
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35 views

set up UPnP/SMB on Ubuntu?

I have a Ubuntu 15.10 machine and I want to use my Desktop to stream videos from my laptop to my iPad in VLC, which is possible when my PC is booted into windows, I would like to do the same in ...