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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2
votes
5answers
18k views

Is there some default password for a new user in Linux?

I am a Windows user gradually moving towards Linux. In Windows we have an option of either having or not having some password for a user. Once we do not put a password we can directly log in to the ...
4
votes
0answers
3k views

How do I change file/directory permission of a nfs mounted directory, so I access files as user?

On a Ubuntu computer I mounted a directory from another computer using the following line in the fstab: 12.34.56.78:/space/Images /mnt/space/images nfs rsize=16384,wsize=16384,rw,auto,nolock 0 0 ...
0
votes
2answers
891 views

How to turn off/speed up desktop switching in Ubuntu 13.10?

In my standard Ubuntu desktop I defined four workspaces. When I switch between them (e.g. use a key shortcut), I see the new workspace move in while the old workspace moves out of the screen. So far ...
1
vote
1answer
3k views

The other users: avahi, root, syslog, messagebus,, nobody, ntp, rtkit and whoopsie

What are all these other users (found them with top) when running Ubuntu: avahi, root, syslog, messagebus, nobody, ntp, rtkit and whoopsie. I am aware that whoopsie, for example, is for reporting ...
2
votes
1answer
1k views

Which library files are needed to run a binary with an alternate libc version?

I built Firefox 26 on Mint 16 because the Ubuntu 10.04 build utilities are too old to build it. It does need to run on 10.04, however, since that's the target OS I'm building for. It built and runs ...
0
votes
2answers
94 views

Help with directory ownership/permissions for apache

I've been using Ubuntu Linux for a couple years now but I still have trouble with permissions. I need to setup my web server for production. The root web directory should always be accessible by ...
0
votes
1answer
6k views

Drive auto mounting as read only (errors=remount-ro) [closed]

My system (12.04 Ubuntu LTS) is auto-mounting as read only and I have no idea why. Output of fstab: cat /etc/fstab # /etc/fstab: static file system information. # # Use 'blkid' to print the ...
4
votes
3answers
560 views

Tool to create recipe to preseed partitioning

I want to preseed an Ubuntu 12.04 installer using a custom partitioning recipe. My disk layout is reasonably complex, and so is the recipe syntax itself. Hand-crafting such a recipe seems tedious and ...
8
votes
3answers
693 views

What could cause the clock to jump by 5 minutes?

I have a (physical) box running a stripped down Ubuntu; every now and then (6 times in 3 months), the clock jumps backwards by exactly 300 seconds (+- 0.01 seconds; always exactly 300 seconds). It ...
1
vote
1answer
477 views

How to install latest catfish in ubuntu 10.04

I was trying to install the latest catfish from https://launchpad.net/catfish-search/+download on my Ubuntu 10.04 (need this version at the moment, nothing more recent) The version in apt-get for ...
1
vote
0answers
86 views

Xephyr Resolution Issue

Whenever I try to connect to Ubuntu using Xephyr, I always get it with the resolution set to 1600x1200, even though, I specified the switch -screen 1024x768 when running it. Questions Where is the ...
0
votes
1answer
1k views

qemu emulator for raspberry

I am trying to emulate a raspberry pi on ubuntu. I have tried several ways using several tutorials but every time, the emulator logs this: scsi: 0:0:0:0 ABORT operation started scsi: 0:0:0:0 ...
2
votes
2answers
3k views

Installing Ubuntu-13.0 Desktop in Qemu

Following are the details of my system: Fedora Core-18, i686. I am trying to install ubuntu in the qemu. Following are the commands I executed: qemu-img create ubuntu.img 8G qemu-system-i386 -hda ...
3
votes
2answers
4k views

How to test UPSTART feature of ubuntu to see my script gets restarted automatically if it gets killed?

I am running my Python script using upstart feature of Ubuntu so that if for whatever reason my Python script dies or gets killed, it can be restarted automatically. So I decided to use UPSTART ...
1
vote
1answer
146 views

Mail server broken my LAMP installation

I was installing mail server, postfix/sendmail I suppose. Then I had no need to use it anymore so I removed it. But now when I type localhost in my browser it redirects me to https://mail.example.com. ...
0
votes
0answers
664 views

No sound in Ubuntu minimal + xbmc. Possible bug?

I'm running Ubuntu 12.04 minimal+XBMC with no gnome interface. lspci | grep -i audio 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03) aplay -l **** List of ...
1
vote
1answer
533 views

Accessing /home/user data from an Ubuntu system mounted as external drive on Debian wheezy [closed]

I just switched my Hard Drives and I would like to copy my data from the old HDD to the new HDD. I have mounted the old HDD at /mnt, it is a LVM Ubuntu partition. What I would like to do is copy my ...
0
votes
1answer
130 views

What distribution do you suggest for daily use? [closed]

I use my computer everyday for various reasons: programming in c++, android(java), java(in general) listening to music(spotify), watching movies browsing internet, watching youtube clips writing ...
2
votes
1answer
356 views

How to auto-mount all USB-devices at same USB socket to same mountpoint

I have a small computer with 2 USB sockets : A and B. I want any external USB disk, attached to socket A - to be mounted as "deviceA" I want any external USB disk, attached to socket B - to be mounted ...
0
votes
0answers
77 views

Unable to write to hdd formatted in anything other ext2,3,4

I am unable to write to my HDD mounted on Ubuntu server 12.04 that are formatted to NTFS or FAT32. However when I format to EXT and Mount as auto its able to write. I tried chmod and chown but the ...
5
votes
2answers
1k views

How to open tty or execute some script when the shortcut Ctrl+Alt+F[1-6] doesn't work and X11 is partially frozen but system is still working?

I'm using Ubuntu 10.10 with Gnome on Acer Aspire One netbook. The X11 or just some parts of Gnome like panels and partially windows (details described below) are frozen which doesn't allow to do ...
2
votes
1answer
232 views

Minimize the current width of a window in Vim

To maximize the width of a current window in Vim, we type: ctrl-w | Is there a similar alternative for minimizing a current window in Vim?
0
votes
0answers
45 views

Big file overwriten with a 0B file

I just opend for write (by mistake) a big file with data (about 200 MB). Now I have this file and it has 0B. I want to know If I can find raw data on disk for recovery... ?
0
votes
1answer
840 views

SSH accesss between CentOS and Vmware installed Ubuntu

I am here to request the Linux lads about using the SSH type remote access between my CentOS (Host) and VMWare installed Ubuntu. I am not new to Linux but I am completely new with practical ...
0
votes
1answer
147 views

How to connect to a virtualbox guest?

I have Ubuntu and I've installed VirtualBox in the desktop and installed CentOS but how would I go about connecting to it remotely via SSH as if I type my IP in? When I do this it just loads the ...
3
votes
1answer
8k views

How to uninstall BOOST 1.49 and install BOOST 1.54 in ubuntu?

I have a boost 1.49 in my ubuntu system. And I am trying to uninstall boost 1.49 and completely remove it from my system. And after that install the Boost 1.54.0 I did like this to uninstall 1.49 ...
6
votes
1answer
5k views

Temporary files problem

Recently my server started to behave weird and I have two issues which I believe to be related. In Vi : When I try to save a file I get : E509: Cannot create backup file and I need to save ...
0
votes
0answers
56 views

Windows in Gnome on Ubuntu 10.10 are frozen

I saw a question in SuperUser titled How do I restart a frozen screen in Ubuntu without losing any open windows? and I think it would be helpful, but the problem is I can't switch to any of the TTYs. ...
2
votes
2answers
3k views

How to know file system of any medium like hard disk, CD/DVD, flash drive? [duplicate]

Is there any command or any way to know what file system is there on a medium like hard disk or CD/DVD or flash drive etc. From GUI gparted one can know the type on hard disks/pen drive but not of CD/...
0
votes
1answer
515 views

Sending mail to an external server?

I'm currently experimenting with working with Outlook.com for an email server, and have MX records set up to point there and the like. How can I configure systems like postfix to use external servers ...
1
vote
0answers
582 views

Error while burning DVD

I'm working on Ubuntu 13.04. I purchased a few DVDs of Sony company from a few different shops but it failed to burn all these. Earlier I had used the Sony DVD only to burn the same date & it ...
0
votes
1answer
485 views

Unable to backup data on DVD

I'm working on Ubuntu 13.04. I want to make backup of my data on DVD but unable to do so. To test this I'm backing up file name 'tomboy' from my current directory to DVD. ravbholua@ravbholua-Aspire-...
1
vote
3answers
543 views

How do I use unused partition in a dual boot environment

I have Ubuntu installed as a host with Windows operating system.I have installed Ubuntu on one Windows drive having around 70 GB of space. While installing Ubuntu I just specified 30 GB of disk space ...
3
votes
4answers
1k views

LAN only VNC help

GOAL: I have 2 computers in a LAN environment (I will refer to them as [computer A] and [computer B]) and I want to log into [computer B] via [computer A]. I have a VNC client on [computer A] Remote ...
1
vote
1answer
126 views

How do I install unetbootin on an E1 Vision AMD processor?

I'm on Ubuntu on an E1 Vision AMD (64 bit) processor. The available binaries for Unetbootin do not work on this architecture. Is there any way that I can get Unetbootin working on this system?
2
votes
0answers
7k views

How to connect Ubuntu 13.10 to TV via HDMI?

I have a Lenovo Laptop with Ubuntu 13.10 running and would like to connect it to the TV via HDMI. In the dual-boot Windows, I just have to connect the HDMI cable and the screen is displayed on the TV. ...
1
vote
2answers
668 views

Installing OpenJDK 7 (JRE) but only policytools found in ./jre/bin

I'm trying to install Java 7 onto my Ubuntu machine through apt-get. I'm issuing the to install using apt-get: sudo apt-get openjdk-7-jre apt-get claims a successful install, but I cannot appear to ...
0
votes
3answers
762 views

Disable cronjob after reboots

How can I prevent cronjobs from automatically starting after my server has rebooted? Every time I reboot my server the cronjobs start up again, which I'd like to prevent. These servers are running ...
0
votes
1answer
122 views

Can I cancel SSH (after using it to browse) without logging out?

I've used the command ssh -D 8080 -f -C -q -N user@IP to SSH into a VPS and set it to browse in the SOCKS proxy settings in System Preferences (on my Mac). How do I cancel the SSH session (and browse ...
0
votes
1answer
682 views

How to write conditional if statement in bash shell script?

I have a below shell script which will get the latest folder from my current directory in machineB and machineC. So I came up with the below command which will find me the latest folder inside - /bat/...
2
votes
2answers
339 views

How to cd into a directory as part of shell script and do a word count of files?

I am trying to get the latest folder inside my directory in machineB and machineC. So I came up with the below command which will find me the latest folder inside - `/bat/data/snapshot` And that ...
4
votes
1answer
16k views

Ubuntu blank screen after login

I have a laptop running Ubuntu 13.10. It was running fine till yesterday when I installed OpenCV 2.4 using Synaptic (if that is of any relevance since there is no other change in configuration). ...
4
votes
4answers
2k views

How to show network adapters with their statistics?

Is there any terminal command I can use to display all the network adapters like eth0, wlanoand their data statistics like data transmitted & received?
3
votes
2answers
13k views

Apache Virtual Host pointing to wrong DocumentRoot

I operate a VPS on Digital Ocean running Ubuntu 12.04.3, with virtual hosts. I was able to set things up following this tutorial here: https://www.digitalocean.com/community/articles/how-to-set-up-...
1
vote
0answers
509 views

Bluetooth: Unable to connect internet on laptop from Nokia N73

Earlier I had been doing Internet on laptop after connecting my Nokia N73 to laptop via bluetooth. But I'm not clear as to what happened a day that after that time I couldn't connect via bluetooth. ...
6
votes
1answer
2k views

Wi-Fi with WEP from command line in Ubuntu 12.04, Kernel 3.8.0-29-generic

I have removed network-manager and am trying to configure Wi-Fi with WEP manually. I am running on an X1 Carbon. Here are the commands I am running: ifconfig wlan0 down iwconfig wlan0 essid "<...
6
votes
1answer
7k views

How do I install Awesome Windows Manager in Terminal?

Right now I'm running on Kubuntu and I'd like to install Awesome Window Manager in terminal. I've used Xmonad but I'd like another window manager, but don't know how to install "Awesome" from the ...
2
votes
1answer
1k views

How to build nginx on Ubuntu with cache_purge module?

I have been trying to rebuild nginx with cache_purge module from here. I did the following and somehow the new build doesn't seem to include the module: Installed nginx Stopped it Installed build ...
0
votes
1answer
305 views

GLib-GObject-WARNING: Core dump when running Inkscape on Ubuntu 13.04

On two different computers, Inkscape sometimes crashes with the following error messages: (inkscape:2536): GLib-GObject-WARNING **: invalid uninstantiatable type `(null)' in cast to `GtkBin' (...
20
votes
6answers
129k views

mount.nfs: access denied by server while mounting on Ubuntu machines?

I am a linux newbie and I have a very basic question. I have three machines in production - machineA 10.66.136.129 machineB 10.66.138.181 machineC 10.66.138.183 and all those machines ...