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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How to resolve black screen issue with Xnest/XDMCP

My environment consist of a Ubuntu 14.04 LTS VM. This is acting as the Xnest server on socket :2 and port 6002 (as seen by netstat). I'm running the Xnest as client on a Fedora 20 VM. The Ubuntu ...
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2answers
22 views

Enabling X11 forwarding permanently

I have a PHP program and in order to run a batch file, I have typed: $> xhost + $> ssh username@hostname -X $> ssh username@hostname -Y And, it works fine. But, my problem is that when I ...
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2answers
43 views

Where's my space? [duplicate]

So df is telling me that I'm using 49/59G, so I set out to find my space. $ df -h Filesystem Size Used Avail Use% Mounted on /dev/vda1 59G 49G 7.9G 86% / none 4.0K 0 ...
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37 views

Login/logout loop on Ubuntu 14.04

I am running Ubuntu 14.04 inside VMware workstation 11.1. I testing changing the color depth and now I am hitting a login/logout loop. When the login screen comes up I select my account, type in the ...
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1answer
25 views

Nginx not loading css/js/images in https - Blocked loading mixed active content

I am running Ubuntu 14.04 with Nginx 1.8.0. While opening the web pages in https the pages appear to be broken as the css/js/images don't load. Error: 'Blocked loading mixed active content' This ...
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29 views

What are the advantage of using tcsh? [duplicate]

I'm a newbie to Linux. I have found tcsh has some advantages over bash. What are the significant advantages using tcsh over bash? For C Programmers is there any specific advantages that bash cannot ...
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1answer
25 views

How to configure Mutt for gmail securely

I've setup mutt on Ubuntu to work with my gmail. It works if I change the setting in gmail "Allow less secure apps" to ON but I'd rather connect securely. I have OpenSSL installed. When I do mutt -v I ...
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25 views

Best practice for django app deploy location?

I would like to hear from other developers where they deploy their django (python web-app) app code on the filesystem (own server)- not django itself, but the project custom app code. I'm on Ubuntu ...
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1answer
47 views

Is Wubi still supported?

I'm a Windows user who is dipping their toes into the Linux pool. I heard Ubuntu is a good distro for newbies, and I was interested in Wubi.exe because I could try Ubuntu without committing. ...
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2answers
45 views

Web Server Log Analyse

I have a web server log file I have to create a command-line pipeline to display the top ten most visited pages. I then have to embed it in a shell script. I'm completely new to Linux coding so how ...
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0answers
27 views

Ubuntu 14.04 stuck at login screen

So right before I had this problem I tried to install AMD GPU drivers, via the website and followed a video tutorial (links below). After I restarted, every time I tried to login, even as a guest, it ...
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1answer
22 views

Tunnel all network traffic through another Linux server

I have two VMs both running Ubuntu 14.04, one is connected to the internet and accessible publicly but the second one is not. Now whenever I want to install something or run apt-get update, it does ...
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17 views

X stopped working after a kernel update

My system is a laptop with Ubuntu 14.04, with an Intel CPU and Intel + Nvidia GPU combo. After one automatic kernel update, the GUI stopped working. It shows a blue loading screen with a spinner, up ...
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9 views

release modified debian distro as educational tool?

I intend to release a VirtualBox image of a modified Debian Jessie installation for educational purposes (stripped down version optimized for programming),which will be publicly available. However I ...
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0answers
32 views

program “killed” as soon as it run

Ubuntu 12.04 I have success make and output a program name algo. When I type ./algo,the terminal just directly shows 'killed' And I search the var/log/message or syslog kern.log.I don't see any ...
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2answers
49 views

Normal user can't unmount if mounted by root

I'm running a script that needs root privileges. One of its functionality is mounting an attached user HDD by using udisksctl utility. I'm using it like udisksctl mount -b /dev/sdX --options ...
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1answer
34 views

Running script through bashrc causes nesting of tmux panes

I use the following tmux code in a script file tmux-dev.sh and add it to bash using bash /home/rohit/tmux-dev.sh : tmux new-session -d tmux split-window -h tmux split-window -v tmux -2 attach-session ...
2
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1answer
52 views

Upgrading Ubuntu 14.04 to glibc 2.20 or greater

I have an application written in Go that is crashing frequently and I think it's related to an issue that was fixed in glibc 2.20. My Ubuntu 14.04.3 LTS has glibc 2.19 according to ldd --version. ...
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1answer
39 views

Setting up MEAN webserver in Ubuntu 14.04 vm

I'm new to the world of web servers. My lab gave me a url with a Ubuntu 14.04 virtual machine. I sorted out enough of what I needed to do to SSH in, install all relevant libraries, and clone my code ...
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0answers
3 views

Automate joining Ubuntu servers to canonical

Have anyone tried automating joining of Ubuntu servers to landscape canonical? Appreciate your comments and guidance
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0answers
15 views

How to enable output during debian/ubuntu preseeding

I am setting up a preeseded configuration with a somewhat longer running d-i preseed/late_command, in fact downloading and executing an ansible playbook. I am running a simple menu system with ...
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0answers
17 views

Incorporating GTK into Eclipse

I do not understand what is missing here when incorporating gtk2 into eclipse . First - I know I have the devs installed since I have already successfully compiled an gtk-app through a makefile. gcc ...
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1answer
23 views

Video transfer using Ethernet from Raspberry pi to another Ubuntu system at controlled data rate

I have a video stored on Raspberry Pi card in h.264 format. This video has to be transferred at controlled data rate to another computer using ethernet cable upon request by other computer. I think ...
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0answers
12 views

Differences in Ubuntu packaging? Eclipse vs. Firefox

Installing a reasonably recent version of Eclipse on Ubuntu (as its upstream Debian) requires a manual install (downloaded directly from the Eclipse website, or a PPA if one can be found). Compare the ...
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16 views

How to return 404 status code on existing file with Apache

Basically what i want to do is to return 404 for a file that exists. <FilesMatch "(xmlrpc\.php)"> Require all denied </FilesMatch> Is what I'm currently using, but I'd like to send ...
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0answers
14 views

Encryption Using Xubuntu with a Keyfile and Password

I am somewhat of a novice with Linux. I was going to use Veracrypt for full disk encryption and then boot to Xubuntu after using a keyfile and password (not even sure if this is possible with ...
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0answers
32 views

df and du differences too large [duplicate]

-bash-3.2$ df -h | grep /mnt/opt /mnt/opt 197G **163G** 32G 84% /mnt/opt -bash-3.2$ du -sh /mnt/opt **74G** /mnt/opt More then 1/2 the differences between df and du. ...
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0answers
22 views

Is apparmor preventing the running of my application?

I have an application that runs on Ubuntu and used to run on Tails. But now with Tails 1.5 it does not run anymore on Tails. My application package is basically a directory containing the ...
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1answer
60 views

I can't change user's passwd on ubuntu

I want change 120 user's password. so I wrote sudo echo 'user:passwd' | chpasswd but I had a message, chpasswd: (user) pam_chauthtok() failed, error: Authentication token manipulation error chpaswd ...
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1answer
18 views

Using remapped Left Control <LCTL> key as shortcut

I have remapped the <LCTL> key to Tab in /usr/share/X11/xkb/symbols/en using key <LCTL> { [ Tab, Tab, Tab, Tab ] }; key <MENU> { [ Alt_R, Alt_R, ...
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0answers
16 views

Is this a valid setup for tracking file ownership using Samba share and managing rights?

Just need someone to look over my shoulder and tell me if this setup will work without any big problems down the road after I start adding users. Current setup: Ubuntu 14.0.4LTS Samba 4.1.6-Ubuntu ...
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1answer
73 views

Ubuntu 14.04 server: Change em1 to eth0 - no /etc/udev/rules.d/70-persistent-net.rules file

I am trying to rename one of my network interfaces from em1 to eth0. I do not have /etc/udev/rules.d/70-persistent-net.rules. I have tried to regenerate this file by running these commands: udevadm ...
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27 views

Gnome 3: how to enable desktop actions in dock entries?

In Unity, it is possible to add desktop actions to dock items (eg, you can add a "New Private Window" action to firefox.desktop and it would appear as an option when you right-click the Firefox icon ...
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33 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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7 views

Add new HDD to Azure VM and set RAID 0

I need to attach some HDD to my Ubuntu Azure VM and enable RAID 0 for them to improve the performance. The new storage space will be under /home director (for storing my host data). I have some data ...
0
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1answer
25 views

why does my Ubuntu Virtual Machine slow down after a number of searches, and builds?

I recently learned that my Ubuntu Linux file system may cache the result of some commands such as searches, sorts, and perhaps build commands such as make. I run Ubuntu in a VM, and although I have ...
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1answer
45 views

How to solve this kernel bug on OS start?

I just installed a new fresh Ubuntu 12.04.5 on a Dell laptop, I had 14.04 but as I really love 12.04 stability I decided to get back to it. I have a Windows installed alongside which I just keep to ...
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1answer
62 views

How to check for specific strings in files of a large directory

I have a rather large directory, and I like to search the files for occurrence of specific strings. I have a list of about 30 strings, and my directory is 1.3G. I tried adding all the strings to a ...
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0answers
73 views

Can Ubuntu detect Windows 10 for dual-boot?

I am trying to dual boot Windows 10, so I went on the Internet to find out if Ubuntu will detect Windows 10. Some sites say it does, while others say it doesn't... Which answer is correct?
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1answer
26 views

Silent mode, Samsung 9 Series with Ubuntu

I have a 2-3 year old Samsung Series 9 laptop, and with windows I could turn on silent fan mode, so the internal fan went quiet. This does not work with Ubuntu. Any way I can fix this?
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1answer
46 views

How to use grep with does not contain

In my bash script I'm trying to print a line if a certain string does not exist in a file. if grep -q "$user2" /etc/passwd; then echo "User does exist!!" this is how i wrote it if i wanted the ...
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0answers
41 views

OpenVPN client config: Route command fails

I want to connect to my company's VPN server, so I can access work resources. I'm running Ubuntu Gnome 15.04, and I've been given an ovpn-file. I installed OpenVPN and run sudo openvpn --config ...
2
votes
1answer
27 views

System call 'open' mode not working

I am writing a simple code about opening a file with O_CREAT | O_WDONLY | O_EXCL flags. The code looks like this: int fd = open(fileName, O_WRONLY | O_CREAT | O_EXCL, 0777); It works well, except ...
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0answers
19 views

How Remove permission denied with GRANT USAGE ON mysql

I have a mail server in my ubuntu instance. I have a webserver management FROXLOR and i recieve errors for access denied when i try to login in mail account. The log for this: Aug 16 03:14:33 email ...
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2answers
38 views

Why do compiled programs create a copy with ~?

Why is it that when I run programs for the first time it creates a copy of that file with a ~ at the end? For example, a file like HelloWorld.lua when run would create 2 files: HelloWorld.lua and ...
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1answer
71 views

I'm trying to Install Eclipse But When I Try to Run ./configure It Doesn't Work

So I am trying to install Eclipse through terminal by watching a video, but when I attempt to run ./configure I get a message saying bash: ./configure: No such file or directory I looked around ...
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0answers
22 views

How to restore data from Ubuntu if it doesn't load?

I have a notebook with two installed OS, Ubuntu 14 and Windows 10. Recently notebook had fallen, and I've stucked with problem with my hard drive. Each time when I try turn on notebook, I have the ...
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1answer
27 views

Ubuntu One: Problem while trying to register

Well this is not really a specific Ubuntu's problem but I only experienced it on Linux Ubuntu so I'll ask it here. I can't read CAPTCHAs on Ubuntu One's registration window. I tried to read it by a ...
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0answers
29 views

List all dependencies for package

I am configuring a ubuntu 14.04 server, for making it more secure i wanted to jail each user to his home directory. So far this worked as expected. But-;)-i am installed a complete RoR ...
2
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1answer
65 views

SSH into a remote shell, execute a 'source' command, and stay in the remote shell

I've got a script, named s, on a remote server that activates a virtual environment like this: source venv/bin/activate When SSH-ed into the server, I'm able to activate the environment by . s ...