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Free, open-source operating system based on Debian GNU/Linux. Ubuntu questions are on topic here, but if you prefer an Ubuntu-only audience there is Ask Ubuntu (http://askubuntu.com/).

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How can I get my github project to work on Linux Terminal?

I'm trying to get Seeker Bot my GitHub project to work on linux. I created it on windows but last month switched to ubuntu. It's made in C++ and but is ran with main.exe or Seeker-Bot.lnk for windows. ...
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Ubuntu installed USB drive write protection [duplicate]

I have installed Ubuntu Linux in USB drive. It works fine. But due to some error Ubuntu was not loading. Now I tried to format the USB it is showing write protected error I tried window cmd, ...
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mpeg4ip library installation issue in 14.04

I'm trying to install mpeg4ip library in ubuntu 14.04 LTS, whenever I used command make && make install it throws error as below. I refferred : Install mpeg4ip on ubuntu 14.04TLS but it shows ...
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Dualboot Ubuntu 16.04 with WIndows 10 stuck due to fast hibernation

I have been using Windows mostly, but last few days have been using Ubuntu, and today when I tried to access Windows, it's stuck in the blinking cursor. I searched around and found that the fast ...
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Bootable Windows 7 USB won't boot on a broken dual-boot PC

I can't boot into my dual-boot Ubuntu and Windows 7 PC because I'm getting an error saying GRUB Error: No such partition, entering rescue mode. I asked how to fix this error on another website and I ...
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Why “fstrim -v /” reports larger size than free space I have?

I have 194GB free space on my SSD, but I don't know why fstrim reports 205GB. $ sudo fstrim -v / /: 205 GiB (220124631040 bytes) trimmed $ df -h | grep sda2 /dev/mapper/sda2_crypt 228G 23G 194G ...
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Tomcat SSL error after setting up certificate

After generating certificate and key pem file using openssl on ubuntu 16.04 I configured tomcat connector in server.xml file as given below but, when I start tomcat I get an error. In the browser ...
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Ubuntu 18.04 hangs on startup after installing nvidia-390

I installed nvidia-390 drivers on my brand new Ubuntu 18.04 installation and now it freezes during the boot screen that appears before the login screen. I solved the problem by entering recovery mode,...
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Download speed on 5.8Ghz WiFi much slower than 2.4Ghz on Ubuntu 18.04, despite higher bit rate

I have a new machine with an Asus ROG STRIX H370I main board, with an Intel 2x2 802.11ac wi-fi with MU-MIMO support. My cable connection speed is around 800-900 Mbps (both upstream and downstream), ...
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nfs mount access denied using Ubuntu 18.04 Vmware client and OSX Sierra host

I'm trying to nfs share a directory from my OSX machine to be mounted by an Ubuntu client (VM). I feel like I'm missing something in regards to access permissions. When I try to mount the nfs share, ...
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Port fowarding: Emulate public IP on Ubuntu under Virtual Box

I need to install a Demo application made in Ubuntu on a virtual machine running from within Windows 10 on a Laptop, to be presented to potential customers in different locations in the same country, ...
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How to launch multiple instances of a service & route through different OpenVPN connection?

Please keep in mind I do not have much experience in linux, so the question may seem basic. Here is what I want: I have a service application and I want to launch 10 instances of it, but each ...
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How to track all child processes spawned by a systemctl service

I have a system service [Unit] Description=dynsock server After=network.target [Service] EnvironmentFile=/etc/dynsock.env ExecStart=/usr/local/bin/dynctl.sh $SERVER $COUNT $BASEPORT $AUTH ExecStop=/...
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Space bar not working inside Atom text editor

I have this issue with my space bar not working, especially inside the Atom text editor, but it works fine outside Atom. For example, when I'm typing this question on Super User, every time I press ...
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What is “keyboard hook timeout value” and should it be changed to accommodate VMWare?

I'm running Windows 10 natively and attempting to get a VMWare VM going. I'm currently making an Ubuntu 14.04 VM but this same message seems to appear even if I start a different VM: I'll type the ...

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