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 repair Ubuntu after upgrade? (from recovery mode)

I have gone through countless threads on the following error and none have helped. Your screen, graphics card, and input device settings could not be detected correctly. You will need to configure ...
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1answer
207 views

No ttyUSB when connecting USB-RS485 to Beaglebone Black

I'm trying to connect a externally powered board to control the motors of a robot to my BeagleBone Black. I'm using ssh over USB(the mini-usb) to control the Beaglebone from my laptop. The BBB is ...
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1answer
64 views

Ubuntu/Mint (trusty) : Wifi keeps shutting down

I Run Mint on my desktop and I'm facing a very annoying problem : wifi keeps shutting down after a few minutes or a few hours and it never comes back automatically. To restore network, I have to ...
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0answers
7 views

About Back Track question

Hi all I just joined these forums. I have never used a Linux OS before I installed the Ubuntu sever using vmware (version 10.0.0) the installation completed successfully, but my issue is when it ...
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2answers
38 views

How to zip folder content on Ubuntu without keep the folder structure(path)

How can I compress a directory content without compress the full path folder structure too. I am using this command to zip a folder content under var/www/ directory, but when I unzip the ...
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1answer
628 views

BCache and disk encryption

I recently bought a new laptop with a 16Gb mSATA SSD cache drive. I haven't used that one yet. I have, however, opted for Ubuntu 13.04 with "Full Disk Encryption" for the main partition (is that ...
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0answers
40 views

Establish communication between Arduino Mega & Linux Terminal in Ubuntu 14.10

I am failing regularly in establishing syncing between my arduino mega(/dev/ttyACM0) and the terminal. Even I thought of establishing output using GNU Screen utility. The terminal just hangs for ...
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0answers
31 views

How to bind arduino as a fix block-device — /dev/ttyACM0?

I want to bind my Arduino Mega as /dev/ttyACM0. Sometimes, it turns out to be /dev/ttyACM0 and sometimes as /dev/ttyACM1. I have taken help from this question and this tutorial Someone please help ...
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1answer
30 views

What do +,- and ? symbols represent in `service --status-all`

What do +,- and ? symbols represent in service --status-all represent in Ubuntu 14.04. I am not able to understand it properly. I guess + here might mean delayed services which start after the ...
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2answers
878 views

How can I add an external CD/DVD writer ?

I want to add an external CD/DVD writer to my Ubuntu 14.04 system (System 76 Ratel): the writers in my local electronics store have USB interfaces, and the drives are advertised as windows and mac ...
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0answers
20 views

How to apply the OSPF patch to ns2 2.35 on ubuntu 14.04

I have been using ns2 and nam for a long time on my ubuntu. Now I have to apply a patch (OSPF) to it. I have been searching for how to apply a patch in linux (as I'm kind of new in it) and all I got ...
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0answers
14 views

How to start a custom service

I'm very new to Linux and the solution might be easy so excuse me for that. I'm trying to run an application called EnCase Remote Recovery, which basically takes a remote image of a system. In order ...
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0answers
15 views

Run Lua commands in Awesome window manager

I need to have network widget in my Awesome manager. When I placed in very bottom of rc.lua line awful.util.spawn("nm-applet") my Awesome was not starting until I have removed it. What is wrong ...
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0answers
30 views

Network scanner

Is there a program for Linux that scans networks like spice works for windows I have tried fing box. I what some thing that is gui but that DOES NOT automatically start at boot up. And be free with no ...
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1answer
2k views

Linker error: /usr/bin/ld: cannot find -lgcc_s

I am trying to compile symlinks (tar.gz-file), which is a very small tool with one line for compilation: gcc -Wall -Wstrict-prototypes -O2 -N -s -o symlinks symlinks.c which gives the error .... ...
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2answers
101 views

Run Ubuntu Security Updates every Saturday only

A clients wants to enable automatic security updates on their 12.04 box, but it has to be once per week, on saturday only. (Why I don't know) When I do dpkg-reconfigure -plow unattended-upgrades it's ...
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1answer
43 views

How to restart my java program automatically if it gets killed?

I am running my runnable jar in linux machine (machineA) as shown below. In the runnable Jar, I have a java program which sends email to me every 15 mniutes. ...
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2answers
594 views

Fedora vs. Ubuntu installation

I am using Fedora 13, and it was my friend who did the installation for me. I have used Ubuntu also and I found it more easy to install than fedora. Ubuntu uses a WUBI installer (if I am correct) and ...
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1answer
64 views

How to get SFTP on Ubuntu working again? Should I try to fix it or reinstall?

Update: Added output from two more logs, and am now only tailing the last twenty lines...so you can see the relevant lines. After six months of working perfectly, SFTP on my Ubuntu machine has ...
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3answers
37 views

Unknown cause for redirect on 80 port

I have an Ubuntu 14.04 server with Apache 2.4.7 running there, hosting one site on 80 port. Today I discovered that every request to 80 port redirects to another website with response: HTTP/1.1 301 ...
0
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1answer
26 views

Understanding network problem (syslog)

I am running a lubuntu 14.04 server and its always worked well, except for the last couple of days it keeps dropping off the LAN. I am using a couple of powerlink adapters to connect it up as WiFi was ...
0
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2answers
45 views

Installing Ubuntu/Debian packages on Arch [duplicate]

I am considering switching from Ubuntu Linux to Arch Linux. I have a long list of packages that I've installed using apt-get that I would like to install right after I install Arch itself. Is there ...
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0answers
48 views

Which packages should I install to make Fedora 21 connect to internet by Android Phone?

In the past I used Ubuntu 14.04 and when I want to connect to internet by my Android phone, I connect it directly using USB cable without installing drivers or some packages like using the Huawei ...
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1answer
3k views

I can't install new packages and can't update and upgrade

I'm trying to install some program on Ubuntu, but when I try it I got the following error.- E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock ...
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3answers
9k views

'iwlist' -> interface doesn't support scanning (Ubuntu LTS 10.04)

I am using Ubuntu 10.04 (LTS) on a Samsung N150+ netbook. I cannot scan wifi networks using iwlist and I would like to do so. Here is the output from some tests: ...
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3answers
19k views

How can I update to a newer version of Git using apt-get?

I've just set up a new machine with Ubuntu Oneiric 11.10 and then run apt-get update apt-get upgrade apt-get install git Now if I run git --version it tells me I have git version 1.7.5.4 but on my ...
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0answers
38 views

Vino server not responding(refreshing) to remote client in Ubuntu 14.10

I have 2 Vino servers installed on 2 different machines having Ubuntu 14.10 with almost same configuration. The thing is in one of the machines, the Desktop Sharing of server at 5900 works fine and we ...
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2answers
473 views

How do I run a script when I switch between keyboard layouts

I use more than one keyboard layout, and I would like to find a way to run a script when I switch between them. Is this possible? So far, I can assign a shortcut for a script like this: #!/bin/bash ...
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0answers
21 views

Mounting docker volumes to conatiners

I have seen that once i have ran my container then its not possible to attach any volume to it. I was thinking of creating a container which has suppose 2 volumes mounted from host Container A -v ...
3
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1answer
389 views

Docker error creating bridge

after installing Docker on a Ubuntu 14.04 minimal system with these commands, apt-get update apt-get install docker.io ln -sf /usr/bin/docker.io /usr/local/bin/docker sed -i '$acomplete -F _docker ...
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2answers
35 views

last -t in Linux

I'm a little bit surprised on Ubuntu and Cent OS, the last -t actually behaves as showing logins up till the time specified, as opposed to as of the time specified as stated in its man page. Here is ...
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4answers
95 views

Two IPs on one NIC ( network card )

I have a dedicated server with one network card in it. I however got two IP adresses. When I use the simple command sudo ip addr add 188.40.90.88 dev eth0 it fails to see it as a seperate IP. I've ...
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1answer
108 views

Running X without root

I have a kiosk-style host running Ubuntu Server 14.04. I'm trying to set it up to play some videos, TV-like. Sometimes it needs to play Youtube playlists and other web-based video streaming services ...
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2answers
36 views

Fetching data from server by FTP command

"Fetching data from server by FTP command" is not a problem .But if I like to fetch the today's file from the server, whose name is like (BACKUP20141210) and if it presents in a folder with previous ...
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3answers
2k views

Problem pinging from a specific interface

I'm trying to ping from a specific interface, I have a wired and a wireless connection both going into my laptop. My wired adaptor eth0 is on the IP 172.16.109.75 My wifi adaptor wlan0 is on the IP ...
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1answer
52 views

Docker container not able to ping host

I am following this tutorial https://docs.docker.com/articles/networking/#between-containers I have used following commands $ sudo brctl addbr bridge0 $ sudo ip addr add 192.168.0.160/24 dev ...
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1answer
23 views

Problem connecting with Beagleboard through serial?

I'm trying to connect to a BeagleBoard on Ubuntu using a Serial-to-USB adapter. It is currently being recognized as ttyUSB0 on our system. When I run "screen /dev/ttyUSB0 115200" the output just says ...
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1answer
4k views

rtl8723be Realtek Wifi-Card driver not working on Ubuntu 14.04

I installed Ubuntu 14.04 on my new Lenovo G50-70. The wifi works perfectly in windows, however it behaves strangely on Ubuntu. It is slow, doesn't load heavier sites at all, and after a while, ...
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0answers
34 views

FTDI USB Serial Driver Buffer Sizes for Optimizing XBee Radio Throughput

I am attempting to optimize Digi XBee Series 2 Radio throughput. I have 2 XBee radios connected to my Ubuntu machine through USB ports with 2 USB->Serial FTDI cables that show up as /dev/ttyUSB0 and ...
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1answer
30 views

How to autoremove with apt?

After uninstalling a package I used to do apt-get autoremove to remove other unused dependencies. I understand that apt (rather than apt-get) is the modern way to manage packages on the command-line ...
0
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1answer
26 views

How can I mount a subfolder of a shared folder?

I'm using this command to mount a shared folder inside my VM: sudo mount -t vboxsf vm_shared ~/shared/ Is it possible to mount a subfolder inside vm_shared to ~/shared/ ?
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1answer
38 views

Change the kernel in downloaded Ubuntu Image [closed]

I'm adding multiple new system calls to kernel. I want to test my custom kernel by making an bootable ISO out of it trying to boot on another machine. As a part of making this bootable ISO, I got ...
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0answers
15 views

Laptop Internet-synced Time Jumps Ahead by 44 Hours After Closing Lid

I haven't been able to isolate a cause for this, but sometimes when I close the lid on my laptop, the system time will jump forward, usually 44 hours to be exact. It will still be in sync with the ...
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0answers
30 views

Why isn't my etc/cron.d file executing?

*/5 * * * * root ruby /opt/redmine/extra/svn/reposman.rb --redmine-host http://tracker.intranet.****.com.ar --scm Mercurial --svn-dir /opt/repos/hg --command "hg init" --owner www-data --url ...
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1answer
490 views

Make bluetooth device invisible / disable incoming pairing

I am using the bluez package for my bluetooth usb dongle on ubuntu server. I want to be able to initiate bluetooth connection from the dongle to a device, however a device itself shall not be able to ...
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1answer
13 views

Why isn't my apache authentication working?

I am trying to set up apache2 authentication for a given website which can be found locally on my webserver. When I try to open up the website it states Internal Server Error 500. Then I put the ...
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3answers
387 views

Hide all open windows on Ubuntu 12.04 LTS

Is it possible to have a button on the side bar to hide every open window on Ubuntu 12.04 LTS?
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2answers
58 views

Can't boot Linux Mint nor Ubuntu

When I try to install Linux Ubuntu or Linux Mint on my Toshiba Qosmio X500-10V and I pass the install menu this appears: After Mint countdown: After pressing install on Ubuntu: And after that I ...
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4answers
5k views

Grub error 15 (file not found)

I'm trying to fix a problem with a new installation. I'm running this existing distro (Ubuntu) from /dev/sdb with a new OS, Gentoo, installed on /dev/sda. I'm glad I took the trouble of setting these ...
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0answers
28 views

USB connected devices info

In my project, I need a list with all connected usb drives and some data about(name, format, size, label, if it is mounted or not, where is mounted) All this data is parsed by a php script then stored ...