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.

learn more… | top users | synonyms (1)

2
votes
2answers
3k views

rtlwifi/rtl8723befw.bin - Wireless stop working, then laptop needs to reboot to get wireless back

Possible duplicate: "My Wifi drops the connection after a few minutes realtek8723be" which indicated this problem is a known bug My wireless stops working randomly when I'm using my laptop. Sometimes ...
1
vote
1answer
712 views

dark image in Skype but without a problem in other apps

I've just moved to Linux Family. I installed Elementary OS 64bit (based on Ubuntu). I try to configure my Skype, but the video image is really dark. It is working, but it is low in contrast. I've ...
0
votes
3answers
889 views

Intel x86 or AMD64?

I don't know whether to use Intel x86 or AMD64 image on my computer. I have a 2011 Macbook Air with a Sandy Bridge i7 and Intel HD3000 which is definately capable of handling 64 bits, however, due to ...
2
votes
6answers
5k views

pgModeler installation - Dependencies error

I'm trying to install the pgModeler. But I'm getting stuck. I have pgModeler at /opt/pgmodeler-0.5.2/ I have all the dependencies: Qt 5.0, Pg and the others. When I run the pgmodeler with ...
0
votes
0answers
66 views

Install Ubuntu on a MacBook Pro retina 2013

I recently got a new MacBook Pro, and because of that I want to give Ubuntu a try on my old one. I tried several times, but when successfully installed I get "Missing operative system" during boot. ...
1
vote
2answers
54 views

Where are installed the files of a .deb package with dpkg / apt-get?

My OS is Ubuntu 14.04. I have done: sudo apt-get install haskell-platform-doc But I cannot find the corresponding documentation files. Where could I find them ? Or is there a command to launch so as ...
3
votes
1answer
168 views

Multi GPU Supercomputer

I have a supermicro server running ubuntu server 14.04, and I would like to install a Quadro 400 (for display) a Nvidia GTX 295 and a Nvidia K80 however, when I install the driver for the K80 the ...
2
votes
0answers
27 views

Files appear in a different timezone after transferring to another computer (even though both computers have same timezone) [closed]

I copied some files from an Archlinux computer to an Ubuntu one, but the time on the files after being moved showed as exactly 2 hours earlier than on the computer they were originally. (2 hours I'm ...
0
votes
0answers
145 views

Cannot install NetBeans 8 in Ubuntu 14

I am trying to install NetBeans 8 in Ubuntu 14. When I execute the .sh file using ( I have already set the file as executable ) ./netbeans-8.0.2-linux.sh I get this ( Out of memory error ) I ...
1
vote
1answer
50 views

Is it safe to move partitions like that?

I have SSD with installed both Windows 8.1 and Ubuntu 14.04. Windows has it's own UEFI starting partition and Linux has Legacy BIOS one. I would like to completely scratch Windows installation from ...
1
vote
0answers
32 views

Restart custom daemon when dependencies were updated

I have the following problem/requirements: On a Ubuntu 14.04 LTS system I'm running Subversion installed from an external repository (WANDisco). This repository is well maintained and provides ...
2
votes
2answers
73 views

Openssh server: fatal: Too many listen sockets. Enlarge MAX_LISTEN_SOCKS [closed]

I am using Ubuntu 14.04 LTS. I want to create an openssh server, which listens on many ports (at least 100 different ports). Multiple clients would connect to this server, but each client would need ...
0
votes
0answers
50 views

How can I run a “check-up” on my Ubuntu installation?

I would like to know if there is some kind of script or utility to check for problems in my Ubuntu installation. I am new to Linux and I had some trouble setting up my system, specifically trying to ...
1
vote
3answers
1k views

Ubunutu software-centre is not working, showing black screen

I am trying to open ubuntu software-center but it get paused and after that shows complete black and nothing is happening. Same thing has happened when I try to run from command line. This is the ...
0
votes
0answers
38 views

xTerm and wvdial issue [UDEV]

After mounting USB modem opens xterm which connects me to the internet after some time it shuts down. -- When I'm starting sudo wvdial on normal gnome-terminal - All works without any problems. But ...
0
votes
1answer
204 views

moving folder older than 30 days to another folder

I have a directory which has folders of everyday and every folder has 1000 of images in it. I want to archive folders older than 30 days to archeive folder. I tried this and it bugged up everything, ...
0
votes
0answers
104 views

What's the recommended way to upgrade to a newer version of synaptics in Linux Mint?

I'm having problems with the clickpad on a Lenovo x250 running Linux Mint, similar to those described here: Missing support for thumb resting on bottom of clickpad Clickpads should ignore thumbs ...
1
vote
1answer
302 views

Connect to an Ubuntu VM from a terminal on the host machine

I'm running an instance of Ubuntu Server 14.04 inside VirtualBox, and for multiple reasons, I prefer to work with it using the terminal emulator on the host system (OS X 10.0) than with the default ...
0
votes
0answers
40 views

Nvidia bumblebee problems with xubuntu 12.04.5

When I upgrade from ubuntu 12.04.4 to 12.04.5 I can not start my computer on battery power. I can start it with it plugged in then unplug it and run for hours. The only thing I can think of is that ...
1
vote
1answer
60 views

what is the difference between mounting via command line and using GUI?

I am in great trouble as of now as if I have to mount my drive only using command line because if I mount my drive using GUI it gives me permission as read only for command line operations. See the ...
15
votes
3answers
21k views

How to boot EFI kernel using QEMU (kvm)?

Hey guys I'm trying to emulate a EFI enviroment using QEMU (kmv), virtualbox takes 15 minutes to boot in EFI mode using archboot. Using legacy BIOS mode I can boot using this command: ...
0
votes
3answers
308 views

How to know boot time on Ubuntu

How to get via terminal log of system boot time for last month. I tried to use last boot command, bit it returned information from the beginning of month.
1
vote
1answer
113 views

How to remove Infinite loop in ~/.bashrc?

I am new to ubuntu, I was trying to run a small shell script which creates infinite loop. It was working and it would stop if I pressed Ctrl+Z. But, I put that piece of code in ~/.bashrc. Now if I ...
2
votes
1answer
168 views

System event on AC adapter insert or battery unplugged?

Does Ubuntu 15.04 (or maybe just Linux in general) have any sort of measurable event that fires when a laptop's AC power is disconnected and the unit flips over to battery power? I would like to ...
-1
votes
1answer
107 views

Generalize CentOS and Ubuntu server in VirtualBox

I want to generalize CentOS and Ubuntu server for a lab that is using VirtualBox as virtualization environment. The main objective of the process is: To create a VM with basic OS and utilities ...
7
votes
3answers
10k views

Does a bad sector indicate a failing disk?

My Ubuntu 13.10 system has been performing very poorly over the last day or so. Looking at the kernel logs, it appears that the <1yr old 3TB SATA disk is having issues with a particular sector: ...
0
votes
0answers
59 views

5Ghz wifi band and a repeating prompt for a wifi password

When I log on to Ubuntu and try to connect to the Internet with the right password, the prompt simply disappears and comes back asking for the password again, I have tried connecting it to my phones ...
1
vote
0answers
48 views

Can't find where modsecurity.conf and .load file are located?

I am using LUbuntu, which is Ubuntu 15.04 I have apache2 installed, and I compiled modsecurity from source code. I start apache as usual: sudo service apache2 start and then I checked what modules ...
0
votes
1answer
108 views

shuttle xs35v2 - can't boot from usb drive

I'am trying to install lubuntu on a new shuttle barebone xs35v2. I have tryed with various usb-sticks and diffrent versions, e.g: lubuntu-net installer, lubuntu 62 and 32, and standart ubuntu-version! ...
1
vote
1answer
79 views

Backup solution for home network

I have been looking into some solutions regarding backing up all data from clients that are connected within our home network to a remote location for safe keeping. I figured that if I could get data ...
0
votes
2answers
3k views

grep: input file 'X' is also the output

I use ubuntu 14.4, and attempt to redirect the output of grep command to a file, but I keep getting this error: grep: input file 'X' is also the output I've searched for this issue and just found ...
0
votes
3answers
196 views

Shell Script to change locale has no effect

I wrote a simple script to switch my locale. If I write each line in the console and execute it, it works without any problem or if I put it in .bashrc. However when I execute the script either with ...
0
votes
1answer
80 views

Setting up OpenSSH to use rhosts?

I rent a couple of VPSs running latest Ubuntu, both with OpenSSH. I'd like to try password-less login using .rhosts/.shosts. I know this is not recommended, and that it's better to use public-key ...
-1
votes
1answer
38 views

error while changing directory using crontab [closed]

This is my script I am trying to rename the files in folder. rename1.sh ---------- #!/bin/bash cd /home/lanein1/WestonIN7pm/"$(date +%Y-%m-%d)" && rename s/WestonIN/WestonIN7pm/ *.jpg cd ...
1
vote
1answer
740 views

How to install/setup mutt with Gmail on CentOS and Ubuntu?

How to setup the email client Mutt to send, receive and read email under CentOS and Ubuntu using a Gmail account as a relay
-1
votes
2answers
131 views

How to lists all users who logged in on a specific day using grep and last

Hey I'm new to Linux and I'm using Ubuntu right now. However I need to answer this question: Write a command or sequence of commands that lists all users who logged in on a monday by using last and ...
3
votes
4answers
2k views
0
votes
1answer
175 views

Why does installing Ubuntu 14.04.1 LTS server give me 14.04.3

I need to install Ubuntu 14.04.1 on some systems for consistency reasons. I made sure to get an iso called ubuntu-14.04.1-server-amd64.iso, yet lsb_release reports: ubuntu:~$ lsb_release -a No ...
0
votes
1answer
302 views

Unable to start gedit from terminal

I use remote desktop connection & XRDP to remote to my Ubuntu 14.04 VM which is running Xfce. I can start any program from the Application Menu (diffuse, meld, gedit) but when I try to run those ...
0
votes
1answer
37 views

Queue up multiple videos from Bash Script

-Skip to bold to skip the fluff - I'm new to ubuntu, so still learning the ropes of how bash scripting goes. I've got this code I've been working on, which works great. (side question - can I ...
2
votes
0answers
36 views

Random pieces of ancient hardware not working together (Mac G5, Sun network adapter)

This is probably some kind of weird esoteric hardware combination but it's not why I did it. It's just what I had lying around. I have a 2x 2ghz Mac G5 and I can't really bring myself to part with it ...
0
votes
0answers
11 views

vpn is disabled when connecting through gnome-ppp

I am connecting my reliance modem through 'gnome-ppp'.As it connected to internet successfully, i could not connect to my saved VPN. The VPN(all saved connections) connection is disabled. Please help ...
0
votes
1answer
79 views

Keyboard glitch Ubuntu 15.04

Have been cleaning my laptop keyboard and now on a single button press multiple symbols are inputed. For example r => 65RGFVT + turns on CapsLock o => 9ol.p ... Has anyone else experienced ...
0
votes
1answer
76 views

Why won't my change to the sshd_config file persist? [duplicate]

I am writing a script to modify settings on my Ubuntu server. I have the following line in it: sudo sed 's/PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config The problem ...
8
votes
2answers
918 views

emacs does not see my fonts in gentoo

I copied my ~/.emacs file from ubuntu linux; I've installed Consolas font (and it works in gnome terminal, and as a default Monospace font); but Emacs does not see it (custom-set-faces '(default ((t ...
0
votes
0answers
50 views

Installing Infiniband on Ubuntu 12.04 (still need to downgrade kernel )?

We plan to install HPC cluster on Ubuntu 12.04 ( and this version cannot be changed for various reasons ). I've read this manual: http://techs.enovance.com/6285/a-quick-tour-of-infiniband And now I'm ...
1
vote
1answer
107 views

What is the default password on ubuntu for users created with useradd?

In order to install a service on Ubuntu 14.04 like "openemm" I have created a user name and group: sudo sudo useradd openemm -m -G openemm -d /home/openemm Now I want to login with that username ...
4
votes
2answers
666 views

Is it safe to manually perform 'apt-get update' 's operation?

I am trying to keep one my Ubuntu systems up-to-date. The intended target is Not Connected to the internet. Am trying to get all the needed info from another machine with internet access. After a bit ...
2
votes
3answers
51 views

Different 'time's called in similar environments in bash

I was told that people using bash will have to differentiate between the shell-builtin time and /usr/bin/time ( time(1) ). I had to time a program and also had to find ways to automate input, using ...
2
votes
2answers
430 views

Udev hwdb rule does not work

I am switching from Ubuntu to Arch Linux and encountering the issue that a udev hwdb rule that has worked until now does not work anymore. The only obvious difference between the systems is that ...