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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917 views

BeagleBone Black doesn't connect via Ethernet on laptop

I have a BeagleBone Black board connected to my laptop with only a serial connection and the Ethernet cable, and powered by the 5mm jack. The serial connection works fine, I can login at any time, but ...
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1answer
3k views

Must issue a STARTTLS command first, even with it in main.cf

This is my first time setting up a linux server and I can't seem to get the email to work. Anytime I try to telnet and do the "mail from" command I get "540 5.7.0 Must issue a STARTTLS command first" ...
3
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5answers
871 views

How to allow authentication with `sudo` using an alternate password?

I have been given a long password by my company for my Ubuntu system. This password is cumbersome to enter when authenticating with sudo repeatedly. Can I authenticate with sudo using a password ...
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0answers
92 views

How do I unstick a stuck ubuntu system?

My Asus loads what appears to be a working Grub, but this closes (quickly!) to leave a password request in the middle of an empty screen. I have no idea what password the installers of this system ...
2
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1answer
743 views

Installing rsyslog from source - No package 'liblogging-stdlog' found

I asked this over in AskUbuntu but have had no luck with an answer. I am doing experiments with different logging systems. At the moment I am trying to install rsyslog from source so I can make some ...
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1answer
59 views

Shall I keep the deb file created by checkinstall after I install from the deb file?

I have an old version emacs on my Ubuntu 12.04. I built the latest emacs from its source, and used checkinstall to create a deb package, and installed emacs from the deb file. Will it be good to keep ...
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1answer
3k views

resize root volume with lvextend insufficent space error

My root partition is running out of space, so I'm trying to extend/resize it. Filesystem Size Used Avail Use% Mounted on /dev/mapper/u64-root 19G 18G 823M 96% / none ...
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2answers
881 views

keep script running while screen is locked for a long time

I have a script that is running on my computer. The script is written in PHP under my XAMP server. It actually is reading some files from a remote FTP server and after processing them writes them back ...
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0answers
1k views

Permission Denied on an Executable File

I am newbie to linux so any help would be greatly appreciated - I tried searching and am having trouble finding an answer. Downloaded a compiled executable file (source written in c) in ubuntu I ...
0
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1answer
227 views

Running Ubuntu 14.04 from USB, can I Install Ubuntu on my HD without losing my persistent Live-USB data?

I've been running Ubuntu from USB for a few months and now I want to install it but without losing any of the data that I’m working on (data on the USB). Is this possible?
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0answers
268 views

Xenomai: /dev/rtheap is missing

I tried to install Xenomai 2.5.5.2 on my Ubunto 12.04 PC following the steps in this guide. I haven't changed any configuration options. When I run sudo ./trivial-periodic, I get a message saying ...
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1answer
7k views

Unable to add PPA repository from terminal

I am trying to install ap-hotspot on Ubuntu-14.04 When I enter the command: sudo add-apt-repository ppa:nilarimogard/webupd8 It gives me this message "Cannot add PPA: ...
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0answers
198 views

usb Modem not working after install some package

I have DWM-156 D-Link modem on ubuntu 14.04 LTS,everything was fine before i install "telephony-service 0.1+14.04.20140415-0ubuntu1" SMS and Call manager,Now OS don't show modem connection in network ...
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2answers
3k views

How to solve this NFS unmunt problem? [duplicate]

I have working NFS (Networking File Sharing). It's server path will be mounted, but attempts to use umount are not working. It is getting some error. $ sudo umount /nfs_server/ /nfs_server was ...
6
votes
5answers
10k views

How do I update bash on EOL Ubuntu versions?

I.e. can I find a close enough package in the next nearest distro? Or is it complicated, and compiling from source is better? Or can I grab it from debian? (This question is about at least Ubuntu ...
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0answers
295 views

Audio output port option in `pavucontrol` doesn't change automatically when headphone is plugged in

My laptop is DELL Latitude D600 (very old model, I don't know if this is related). I use Ubuntu 12.04 LTS with xmonad. This problem is weird. In pavucontrol, under "Output Devices" tab, there is a ...
2
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0answers
942 views

Udev rule not working on Debian

I can detect and mount my USB drive on my Debian VM machine. And the first post here - explained below - works on my Ubuntu machine. Should not it work on Debian too? It doesn't of course. Why is ...
0
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1answer
904 views

NetBeans : Can't build Java project

I installed today on my old developer PC NetBeans (the newest) and I cloned my repo from BitBucket (I began coding with NetBeans on Windows 7). I tried to make a clean build, but the compiler has ...
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0answers
152 views

Ubuntu 14.04 HDMI UDev Script

I have tried multiple variations to this script but I cannot get it to work. The UDEV Rule fires the script and the script exectutes but simply does not change the audio profile. If I run the script ...
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0answers
10 views

Video and audio lag on Skype 4.3 [duplicate]

Skype's video does work, but it's lagging horribly on the other end. It's not an issue of the computer on the other end, since I've had conversations before on Skype while using windows and never had ...
0
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1answer
422 views

Directories showing up in green(executable) even after removing execute permission for all. (Ubuntu 12.04) [duplicate]

I just copied a directory from a USB flash drive. I copied it from an NTFS drive and so all the files had execute permission. I executed chmod -x * to undo the execute permission. Despite that, all ...
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1answer
179 views

How to switch esc and caps lock using gsettings/gconftool-2 in ubuntu 14.04?

There is an option for this in the preferences dialog, but I am looking for a way to do it in the commandline so that all these configurations can be automated. I want to avoid xmodmap, because most ...
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1answer
383 views

Networking issue in IBM x3650 after install Ubuntu 14.04.1

I have a problem making TCP connections after a fresh Ubuntu 14.04 installation. First of all, after booting the interface is always off. In my case the interface is manually configured and named em2. ...
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0answers
81 views

How to sync all Gnome/Unity settings across multiple machines?

I have three desktop PCs that I am planning to install either Ubuntu or Ubuntu Gnome on. So I am looking for a way to sync the configurations across them. These three machines are not of the same ...
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3answers
212 views

How do I configure my Linux computer to provide Internet to a FreeBSD computer via Ethernet port?

I have FreeBSD computer to which I want to provide with an Internet connection via the Ethernet port. I bought a single board computer (SBC Wangboard DUAL) onto which I have installed Ubuntu. I ...
0
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3answers
87 views

Backup using rsync

Last time I backed up my data by copying and pasting my home directory into my external hard drive. Since then, I have added and deleted files from my home directory. I want to update that directory ...
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2answers
932 views

Arch, Ubuntu: So what's the deal with libudev.so.0?

I'm interested in building Linux desktop apps with Web front-end technologies. Both platforms I've tried -- Chromium Embedded Framework/CEFPython, and Awesomium, seem to have a dependency on ...
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0answers
393 views

udev rules fail to run a script on addition of usb device

Here is a simple rule I created in /etc/udev/rules.d/21-persistent-local.rules for my Seagate 500 GB expansion drive which uses a USB interface on a Debian machine running inside a VM. ...
0
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1answer
57 views

What is the role of Bios in making system compatible with Linux [closed]

I am running an Ubuntu system. My hardware is very new. I want to ask what is the role of Bios in saying if system is compatible with Linux or not? Edit 1 Sorry for broad query. I am not sure how ...
1
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1answer
67 views

Increase character width in Ubuntu server shell?

Is there any way to increase the character width from 80 to something higher in the shell in an Ubuntu server?
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0answers
322 views

PHP running under “www-data” user

In PHP if I run get_curret_user() it prints www-data. This makes it impossible for me to use this function in order to test a FTP password from input. Is there any way to make PHP run under the ...
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0answers
151 views

Windows 8.1 does not load on my dual boot laptop

I am new to Ubuntu (Linux) and just installed it on my laptop which has already Windows 8.1 on it. I can't use windows anymore. Below is my configuration for the Windows 8.1 booty loading. The link ...
4
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1answer
213 views

problem when booting linux server : Too many levels of symbolic links

By mistake, I executed these commands : sudo ln -sf bash /bin/sh sudo ln -sf bash /bin/bash When I rebooted the Linux server in recovery mode I got this message: init : Failed to spawn ...
2
votes
2answers
247 views

How can I effectively purge a manually installed package?

I installed SBCL 1.2.3 on Ubuntu 12.04 by downloading sbcl-1.2.3-x86-64-linux-binary.tar.bz2, and running sudo bash install.sh However, I was curious about how I would be able to uninstall it? It ...
0
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0answers
847 views

How to make Intel fake RAID 0 volume appear on boot with Ubuntu 14.04 in a multi-boot environment?

I have a computer with a Gigabyte GA-Z97N-Gaming 5 mainboard, a 256 GB drive for booting and two 3 TB drives meant to use in a RAID 0 setup with both ext4 and NTFS partitions. We are planning running ...
2
votes
1answer
1k views

ifconfig ethernet (eth0) no data flow

Hello this is my ifconfig output: eth0 Link encap:Ethernet HWaddr 50:46:5d:44:5e:fe inet addr:10.0.0.6 Bcast:10.0.0.255 Mask:255.255.255.0 inet6 addr: ...
2
votes
0answers
378 views

svn update or checkout problem : Can't read length line in file '/home/username/svn_repository/db/revs/0/697'

My latest revision is 703 after svn committed. But When I execute the svn update or svn checkout commands from Client machine it throws. svn: REPORT of ...
0
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1answer
2k views

How to ssh into remote machine and create new user in bash script

I am writing a bash script and would like to ssh into a remote machine and execute the adduser command. This is not working, all that I get is the --help text for adduser when I run the code below. ...
1
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1answer
902 views

Capstone for Python not working

I'm unable to get Capstone for Python to work. I have attempted to install capstone both using pip and compiling and installing from source. Both are successful, no errors, but neither works. I've ...
1
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1answer
144 views

dual boot from two different harddrives, windows and lubuntu not working

I have a computer with two harddrives. I first installed my Windows 8.1 on my ssd taking up the whole drive. Then on my second 2TB I made 3 partitions. 1TB is dedicated to external storage, 500GB is ...
1
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1answer
219 views

Disadvantages of Ubuntu installed inside the Win vs next to Win

Are there any disadvantages of installing Ubuntu inside the Win using installator vs next to Win using bootable device? For example: My user account (on Win) contains diacritics which causes problems ...
1
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1answer
216 views

./a.out && echo $? only prints return value if return = 0

echo $? in the following scenario does not display the return value, i.e. 1. echo "int main() { return 1; }" > foo.c gcc foo.c && ./a.out && echo $? However, echo $? works when ...
2
votes
4answers
3k views

Running Linux on Smartphone

I have recently thought about buying a cheap second hand smartphone and install Linux on it as an experiment. I am sure this has been asked a lot but I cant seem to find an answer: Is there anyway ...
1
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1answer
365 views

Etekcity Scroll E1 Wireless USB mouse does not work with Ubuntu 14.04

I have an Etekcity Scroll E1 Wireless USB Mouse that is not working with Ubuntu(but does work on Windows). According to their website, the mouse is compatible with Linux, and the Amazon reviews for it ...
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2answers
315 views

USB hard drive won't remount after power outage

My home server has a USB hard drive plugged to it. Once in a while, the breakers jump or there are power outages. Since my server is a laptop, it keeps chugging along, but the rest of the hardware ...
0
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1answer
312 views

Binvox not working on a headless Linux server

I'm trying to run Binvox (http://www.cs.princeton.edu/~min/binvox/) via web server, on an Amazon EC2 server with Nvidia GRID K520 GPU and running Ubuntu 14.04. I'm using the system(binvox, $ret) ...
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2answers
74 views

how to add wamp feature to lamp

I am used to do web development using wampserver in windows but recently I wanted to move to Linux and I am using LAMP now but I found that some useful feature in wampserver are not available in LAMP ...
1
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1answer
75 views

Install OS in a directory

We can have the full filesystem structure of any OS in a directory. To which we can chroot, so it will behave as good as native login. Is there any way to install the an OS onto a partition with the ...
1
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2answers
132 views

How can I deny internet access to all processes except the chosen ones?

Sometimes I am forced to use really narrow Internet bandwidth of 56kbps. On my Ubuntu desktop I have too many programs, that frequently check something on the net - and hunting and disabling them ...
1
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1answer
1k views

add-apt-repository Raises A Python Error

I wanted to install Numix icon theme, therefore I needed to add ppa, but it strangely raised this error: Traceback (most recent call last): File "/usr/bin/add-apt-repository", line 163, in ...