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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Removing xfce icons and themes

I was wondering if it is safe to delete Xfce themes and/or icon themes that I don't use to save disk space. Additionally, is there a apt or other package manager command to do this? Also, just in case ...
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0answers
14 views

Systemd and Interactive Service

I want to run a server application in background which sometimes requires user input as it has a configuration interface which is only accessible through stdin and stdout. Can I attach to ...
4
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1answer
117 views

Accessing the NVMe flash drive of the April 2016 MacBook 12" (A1534)

I'm trying to install Linux on the new April 2016 MacBook 12" (A1534). Booting from USB via EFI works fine: I tried Arch Linux (2016.05.01, kernel 4.5.1) and Ubuntu (16.04, kernel 4.4.0-21; and ...
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4answers
576 views

Why does the Google Chrome .exe file I downloaded not work on Ubuntu? [closed]

Why is the Google Chrome browser not available on Ubuntu? I have tried by downloading the .exe file and it did not work.
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0answers
24 views

Can't connect to NoMachine NX Server. Using Remmina

My Setup Client Ubuntu OS Remmina Remote Desktop Client + remmina-plugin-nx Server Arch Bang OS NoMachine for Linux - x86_64 Chose fedora system for install My Userlist ...
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0answers
8 views

Regarding telosB changing node ID using Ubuntu

Am working on telosB for glossy protocol analysis. When i tried flashing the program, there was some issues with the node ID. acn any one help me regarding how to set this node id... Thanks
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0answers
52 views

How do we do programmatically set LD_LIBRARY_PATH for an C# executable? [closed]

How do we do programmatically set LD_LIBRARY_PATH for this scenario? mono-service ./AudioRecorder.exe Where we are running on Ubuntu Linux 14.06 and AudioRecorder.exe is a C# .NET executable. ...
2
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1answer
47 views

Problem using GSM USB modems on HP Pavilion laptop

A week ago I migrated from an old PC running Ubuntu 11.04 to Laptop running Kubuntu 16.04. I am having problems using USB modems on the new setup. 1st modem is a ZTE. This modem intermitently loads. ...
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0answers
22 views

Is it possible to install deepin onto the same cooldisk (siliconpower 16GB USB3)?

I have made my flash drive bootable using deepin-boot-maker and I have Ubuntu on my computer now. Is it possible to install deepin onto my flash drive from it? I mean: create a partition for ...
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1answer
35 views

Discrepancy between Ubuntu 16.10 System Monitor % CPU and ps pcpu, % CPU utilization with respect to the individual Firefox browser process

What is the reason for the following discrepancy between Ubuntu Linux 16.10 System Monitor % CPU utilization and ps pcpu, % CPU utilization with respect to the individual Firefox browser process? For ...
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0answers
36 views

How do we programatically tell if our bash script was succesful in starting or stopping mono-service -l:${LOCK_FILE} ./${PROGRAM_NAME}.exe?

I am running Ubuntu Linux 16.10 on an Ubuntu ThinkStation desktop. I used a bash script just now to restart and stop mono-service on our second Ubuntu Linux 16.04 desktop computer in the following ...
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2answers
47 views

IP tables for home use

I've been trying to set up rules for a desktop I have in my home network and even though at first this configuration worked, I changed something somewhere and now it won't pass any kind of connection. ...
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1answer
25 views

Unable to change username (“user <olduser> is currently used by process <number>”)

I already read this, but it hasn't helped. Not having logged in to the 'olduser', I type sudo usermod -l 'newuser' 'olduser' and it yields the error message from the title of my question. What can I ...
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0answers
46 views

Ubuntu 16.04 with read-only filesystem and writable layer

(This is a cross post from askubuntu, as I think here are more people to know how to get this working) I want to set up Ubuntu 16.04 like a live CD. This worked great in Ubuntu 12.04 but with 16.04 ...
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1answer
28 views

Updating drivers in Windows 10/Ubuntu 14.04 dualboot

I have just recently installed Ubuntu onto my Win10 Laptop on a HP Probook 4530S. Both seem to be working fine with GRUB as the bootloader. I was trying to install an upgrade to the Intel Chipset on ...
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0answers
33 views

After Ubuntu update from 15 to 16.04, error in keyboard-configuration package

So I just started the automatic upgrade of my Ubuntu distribution this morning, from 15.xx to the new 16.04, everything went smoothly except for an error I got at the end: something prevented the full ...
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2answers
45 views

No space left on device- on Amazon EC2 instance Ubuntu

I just expanded my storage space on Amazon EC2, after I ran out of volume. However, even after doing so, I receive an error message as follows: ubuntu@ip-172-31-30-27:~/walt/bin$ LC_ALL=C sort -k ...
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1answer
71 views

How to regain access to the lost user , linux3 , of two side by side Ubuntu 16.04 instances?

Three days ago, I tried installing the second of two Ubuntu Linux 16.04 versions side by side on the same Lenovo Thinkstation desktop using the procedure described in this URL, ...
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1answer
84 views

Dell and L/Ubuntu16.04 drops wifi connection on all devices [closed]

I installed Lubuntu 16.04 and Ubuntu 16.04 on my Dell Inspiron 7720 (Edimax router) and smth strange happens. At first the connection is established and google can be loaded. When trying to update ...
1
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1answer
153 views

Cannot run 32-bit executable on 64-bit system with multi-arch support [closed]

I compiled a 32-bit executable for a Linux machine. It runs on most Linux distros without trouble. However, on Ubuntu 16.04 LTS, I get the No such file or directory error when trying to execute it. ...
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2answers
27 views

Is the difference between mono-runtime and mono-complete related to whether MySQL inserts successfully take place on Ubuntu 16.04?

What is the difference between 1. sudo apt-get install mono-runtime and 2. sudo apt-get purge --remove mono-complete followed by sudo apt-get install mono-complete on an Ubuntu linux 16.04 instance? ...
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0answers
51 views

Where are the definitions for the prototype declarations in <bsd/stdlib.h>?

I have a C program on Ubuntu 16.04, in which I would like to use arc4random_uniform. typedef unsigned char u_char; #include <bsd/stdlib.h> int main () { return (int) arc4random_uniform(100); } ...
3
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2answers
246 views

Starting VirtualBox kernel modules …failed

I'm trying to install Virtualbox on my desktop: Processor: AMD FX(tm)-8350 Eight-Core Processor × 8 OS type: 64bit Ubuntu 16.04 Here's a snapshot of my bash history: 35 sudo dpkg -i ...
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1answer
38 views

`isolcpus` kernel parameter has no effect on Ubuntu 16.04 desktop

I added the following line to /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT="quiet splash isolcpus=1,3" then ran sudo grub-update (and rebooted) but according to top processes are still being ...
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0answers
21 views

Change Postfix email recipient on Ubuntu 15.10

I installed Postfix on my Ubuntu machine and i'm using Gmail's SMTP to actually deliver the emails using this tutorial. This is the email headers: Reporting-MTA: dns; crmpicco-desktop ...
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0answers
38 views

I have overwritten mbr, now can not import zpool

The computer I use is my development machine. I use ubuntu and share files with opensolaris using zfs. Somehow I wrote over mbr (from my windows partition using easyBCD!) and now I lost my pool. I ...
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1answer
43 views

What are all the Mono dependencies required to run all types of C# Windows Forms applications?

What are the other Mono dependencies besides mono-runtime and libmono-system-windows-forms4.0-cil required to run C# Windows Forms applications on Ubuntu Linux 16.04? Does the answer to our question ...
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0answers
45 views

No perf (linux-tools) for kernel 4.5.2

When I first installed 16.04 LTS, at kernel 4.4.0, I had a decent battery life of about 3 hours average, but I upgraded to 4.5.2 to solve the suspend problem and some other issues, and now it's less ...
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2answers
56 views

When opening a terminal does not require a login?

Speaking about Linux and in particular Ubuntu (from 14.04) systems: Case 1 - As pointed out in this answer, processes that allocate a pseudo-terminal don't need to make a login: for example, cups. ...
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0answers
29 views

Vsftpd server will not create ftp user directory

When I try to login to my ftp server I get 500 OOPS: cannot change directory:/mnt/users/alex When I try to do the same thing with sftp I get packet_write_wait: Connection to 10.0.0.8 port ...
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0answers
23 views

Reclaiming disk space in Ubuntu

In VMWare the hard disks took 13.6 GB, But with df, only 5.8 GB is occupied I don't quite get it. This Virtual Machine has no snapshots, and I already clicked on refresh button in VMWare Fusion ...
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0answers
25 views

Nemo file manager - change focus from the sidebar to the main view (automatically)

I find it hard to change the 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 problem. I want to be able ...
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0answers
44 views

wifi driver fails to load firmware on kernel 4.6.0-rc2

Distro - Ubuntu-14.04. For development purposes I built and installed 4.6.0-rc2 kernel. All works well except wifi: % dmesg ... [ 9.092503] Intel(R) Wireless WiFi driver for Linux [ 9.092506] ...
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0answers
24 views

wakeonlan: cannot wake up ubuntu server 16.04

I can wake up ubuntu server 16.04 from my iphone using WOL. I tried to do the same thing from mac osx yosemite. couldn't get it work. first I installed wakeonlan. "brew install wakeonlan" then I ran ...
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1answer
124 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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0answers
36 views

Can't purge old kernels (dependency problems), but /boot is out of space

I'm running Ubuntu 14.04.4 LTS, and I'm trying to install a new package using apt-get. Unfortunately, whenever I try I get messages like: The following packages have unmet dependencies: ...
1
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1answer
39 views

Subsequent calls to wpa_supplicant fail - can't connect to wifi

I have an ubuntu 15.10 server which utilizes wpa_supplicant to connect to wireless network profiles created with wpa_passphrase. On a fresh reboot, the first time I call sudo wpa_supplicant -B -i ...
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2answers
173 views

How to Install R's devtools and digitize?

System: Ubuntu 16.04 64 bit, Dell PC 2013, 16 GB, i5 2013. I need devtools because I need the function install_github to install the non-CRAN package digitize here. I installed R by sudo apt-get ...
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0answers
30 views

Is it correct to test an Raspian Linux ARMv6 emulator as sudo user?

I have a simple armV6 instruction set C++ program compiled with an ARMV7 compatible arm-Linux-gnueabi-g++ compiler, version 5.3.1, with -march=armv6 and -fPIC on Ubuntu Linux 16.04. After I use PSCP ...
0
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1answer
47 views

Installing qTox from repository without tee -q0

I wanted to install Tox ( http://tox.chat ) on my Xubuntu 16.04. Main site suggest adding repository this way: echo "deb https://pkg.tox.chat/debian nightly $(lsb_release -cs)" | sudo tee ...
1
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1answer
72 views

How to clean install and dual boot/multi boot windows 10 Ubuntu and Kali?

Okay so I am new to Linux, I recently tried dual booting my laptop (with 1 TB hard-disk and 4 GB RAM which can upgrade upto 16 GB which I am planning to do) with windows 10 and Ubuntu but after ...
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0answers
28 views

wkhtmltopdf and pdfkit issues in python

Hello I am developing an web with python Flask in a linux server, in doing so I am trying to use pdfkit and wkhtmltopdf. I am using a linux server(ubuntu). In Putty, after logging into my server, at ...
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2answers
129 views

Mount error when automounting a LUKS-encrypted USB flashdrive

UPDATE 1: userone@desktop:~$ sudo umount "/media/userone/New Volume" umount: /media/userone/New Volume: mountpoint not found userone@desktop:~$ sudo cryptsetup luksClose ...
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0answers
30 views

How to install linux-gpib Python bindings inside virtual environment?

I'm working on developing Python code to control GPIB devices, and am realizing the more I learn the less I know. So here's my question: I believe I've installed linux-gpib properly, and I have ...
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1answer
34 views

Wifi and Ethernet unclaimed on ubuntu-based linux

I'm trying to finish the installation of elementaryOS (an Ubuntu-based distribution) on a Thinkpad E460. However, I can't neither have Ethernet nor Wifi. In fact, lshw -c network -sanitize shows both ...
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2answers
29 views

What does %h and other symbols like it mean? [closed]

I have seen % and then some letter for example %h in config files in Ubuntu and in other Linux distributions but I do not know the names of them or what they all do, so I am just wondering if there is ...
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0answers
66 views

Java 8 PPA as dependency for PPA repo?

In launchpad you can add PPA dependency to your PPA packages. I tried to add ppa:webupd8team/java as a dependency to my PPA package, but it doesn't install when I install my package. I also tried ...
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0answers
110 views

Ubuntu 16.04, Nvidia driver issues

Ok first off I tried installing the nvidia-current-updates but upon reboot both Unity and Cinnamon crashed. Removed them then tried the official 361-42 drivers. I can login to a desktop but there's ...
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0answers
21 views

cron job quit working after latest apt-get upgrade

I've been running a cron job every 15 minutes for years, with few problems. Sometime in the last week, it quit running, I'm assuming after a apt-get upgrade && apt-get dist-upgrade. I was ...
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2answers
33 views

Ouput to a file and read it [duplicate]

I am trying to output the ps command to a file in /home/username/ps.txt. I want to create the file on the go, write the output of ps to it and also read the same in a single command. I tried this: ...