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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1answer
64 views

How can I get a Low-RAM Ubuntu [closed]

I've seen several complaints that Ubuntu uses twice as much RAM in a fresh install compared to Debian. But it appears that using Ubuntu will make my life much easier due to its more recent versions ...
4
votes
3answers
479 views

Ways to update Ubuntu (debian-based distros) offline

What is the easiest way to update/upgrade an offline Ubuntu machine with the help of a Windows machine that has internet access? This question also applies to installing new packages offline and not ...
5
votes
2answers
2k views

Sorting down processes by memory usage

I am able to see the list of all the processes and the memory via ps aux and going through the VSZ and RSS Is there a way to sort down the output of this command by the descending order on RSS ...
1
vote
1answer
239 views

Using external hard disk to boot 2 different computers with different hardware

I'm a CS student at my university, so I typically run a version of linux at my home computer when I do programming in C or other linux specific stuff. I really hate grub (it never seems to work for ...
0
votes
1answer
49 views

Virtualbox export appliance

I have an Ubuntu OS installed using virtualbox. Inside the Ubuntu OS, I have installed QEMU, GCC for ARM and GDB for communicating between ARM and QEMU. My question is, if I export this image using ...
2
votes
3answers
655 views

Dead (compose) keys not working in GTK apps since upgrade

I'm running Kubuntu with KDE as my main desktop environment. A while ago I set up dead keys so I can type Chinese pinyin and other accented letters and special characters. As a side note, I use IBUS ...
0
votes
1answer
2k views

How to install Kali Linux without CD and flash drive?

I have download Kali Linux. But the size is too large for my flash drive, my flash drive is 1.8gb and the Kali Linux iso is 2.3gb. I use an Asus eeepc 1215p which has no CD/DVD drive. My machine was ...
3
votes
1answer
195 views

ecryptfs mounted via command line, what do I need to backup?

I asked this question on the ecryptfs launchpad, but it expired there without answer. https://answers.launchpad.net/ubuntu/+source/ecryptfs-utils/+question/235226 It might be trivial, but I really ...
2
votes
1answer
340 views

How can I restore my linux?

I had an hard-drive with two partitions: one was 460GB NTFS and the other was 5GB ext3 Ubuntu 10.10. I wanted to extend the Ubuntu partition, so I was going to shrink the NTFS partition by 15GB, but I ...
2
votes
0answers
29 views

Cannot Remove (Unmount) Server Share (NFS) from Mount List [duplicate]

Note on Duplicate - This has been marked as a duplicate quite a few times, so can someone link me to a solution which works for me? Because everything I've tried in all the other posts I've found, ...
1
vote
0answers
255 views

iptables one IP through another network interface

This question is very similar to what I am trying to do: iptables --set-mark - Route diferent ports through different interfaces However I attempted to follow the answer but I was unable to make it ...
4
votes
1answer
2k views

chrome freezes Ubuntu 13.04

Since about 2 to 3 weeks ago, my Ubuntu 13.04 desktop frequently freezes after I am using Chrome for a while. The mouse is movable, but nothing respond to mouse or keyboard. I have to push the power ...
1
vote
1answer
435 views

How to install SUMO on Ubuntu 10.10

I want to install SUMO on Ubuntu 10.10: I followed sumo installation guidelines step by step: I installed packages necessary to build SUMO, I created a symbolic link libgdal.so . I decompressed the ...
4
votes
1answer
504 views

How can I secure my Ubuntu 13.04 to prevent network attacks? [closed]

Is there a way I could protect my pc computer from being hacked in an event where the internet conection will be opened? Thing is I am going to Campus Party Colombia 2013 and I was sugested to format ...
0
votes
2answers
196 views

Create a CentOS Guest img over Ubuntu

I want to create a basic CentOS 5.8 system from scratch. for now i build my own img for Ubuntu Guest (debootstrap), my host is a Ubuntu 12.04.1LTS but I don't know how to make for a CentOS, is ...
0
votes
2answers
185 views

Accessing a VPN from Ubuntu 12.04

I am trying to access my schools VPN but it isn't working. I haven't used it in awhile but I followed the same procedure and it isn't working. I installed Cisco's Anytime Connect, I configured the ...
6
votes
5answers
2k views

How is sudo set to not change $HOME in Ubuntu and how to disable this behavior?

On Ubuntu 12.04, when I sudo -s the $HOME variable is not changed, so if my regular user is regularuser, the situation goes like this: $ cd $ pwd /home/regularuser $ sudo -s # cd # pwd ...
2
votes
2answers
1k views

Ubuntu Drivers on Chromium OS?

I recently managed to install Chromium OS to a flash drive. However, when I booted into Chromium OS, I found that neither wifi or ethernet worked, yet both wifi and ethernet work on my Ubuntu ...
1
vote
1answer
446 views

How do I diagnose problems docker deployments (dokku/git push)?

I'm new to Docker and dokku, and DigitalOcean, and just trying to figure out how all the pieces fit together. I'm deploying my app with git. When I deploy, it seems to succeed from my end, but when ...
2
votes
1answer
113 views

Mark packets between machines (client and router)?

Can I mark a packet on the client's OUTPUT chain and add an iproute policy on the router to route them via a specific gateway? This what I tried to do, but it isn't working. My client's mangle table ...
3
votes
2answers
387 views

remote desktop connection - similar to team viewer

I have a few different Desktop versions of Ubuntus (13.04, 12.04, Kubuntu,..) on different computers. I would like to manage all of them on a single computer via remote connection and be able to use ...
4
votes
1answer
176 views

What utilities do I need to begin android development on Ubuntu?

I already would work by some Cortex-A boards(for instance Cubieboard, Marsboard,...) I've already started working with integrated circuits: Cubieboard Marsboard I've been directed to learn linux, ...
0
votes
1answer
178 views

emacs fonts from ssh not as good as locally installed

How can I have the same emacs fonts and antialiasing configuration that I have in my local Ubuntu 12.04 also working when I open an emacs session via ssh to a CentOS 5 system? EDIT: I didn't get an ...
1
vote
2answers
2k views

Disk problems prevent me from booting, or set the disk to read-only. How do I fix the disk?

Problem: Since about one week ago, my Ubuntu system encounters various severe and strange problems. Sometimes the whole system suddenly freezes. I have to push the power button to shut down the ...
1
vote
1answer
555 views

XBMCbuntu freezes at random intervals

I have a Gateway GM5474 which is running XBMCbuntu on a 500GB Hard drive (the originial I believe or maybe slightly newer hard drive). Little background: The system is still stock, and I was having ...
5
votes
6answers
16k views

Where is Netbeans installed on Ubuntu?

I installed Netbeans on my Ubuntu 11.10 machine. I used the combined method, so Netbeans and JDK are installed from a single file. However, now that it's installed I can't figure out how to start ...
2
votes
3answers
239 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?
1
vote
2answers
494 views

Removing Linux from a dual-boot setup. How to recover Windows bootloader or keep GRUB?

I recently discovered that running a Linux virtual machine is both cheap (RAM/CPU-wise) and easy; it seems like there's absolutely no need to have a dual-boot Windows/Linux machine (if this is not ...
4
votes
2answers
5k views

rsync is very slow (factor 8 to 10) compared to cp on copying files from nfs-share to local dir

I have a freshly installed ubuntu-server which is ought to be the new backup-server for our VM-storage. The server has 4 nics, 2 of them 10Gbit (in fact an intel x540-T2 with the newest driver ...
0
votes
0answers
196 views

Emacs alternate editor client server start

How can I get Emacs to start in server mode with the alternate editor? From this conversation, I was able to enable the server with the alternate editor. However, I just re-installed emacs and I am ...
2
votes
1answer
498 views

Execute custom script when an interface gets connected

I using a USB wifi dongle to connect to the Internet. When the wireless connection dies, I lose some iproute rules too. How can I reset these rules when the interface connected again?
3
votes
2answers
491 views

Why are there both, an Upstart script and an init.d script, for several daemons? [closed]

I am running Ubuntu 12.04.3 LTS and installed several services like Samba, DHCP server, ... I receive the following warning when I run "halt now", "telinit 6" or similar: Since the script you are ...
0
votes
2answers
1k views

How to check which hypervisor is used from my VM? [duplicate]

So I'm running a VM somewhere and want to know what hypervisor the host is running. Any way to check whether it's running KVM or in a container? The vm is running Ubuntu
0
votes
1answer
732 views

Cron does not print to syslog

I have following crontab file - # /etc/crontab: system-wide crontab # Unlike any other crontab you don't have to run the `crontab' # command to install the new version when you edit this file # and ...
1
vote
1answer
290 views

Broadcast port to other computers after SSH reverse tunnelling

I have been reading on how to reverse tunnel and I am using this command: ssh -f -N -T -R25565:localhost:25565 dns.mindfulhacker.tk To forward my Minecraft server. My other server can connect to my ...
0
votes
1answer
2k views

E: Some index files failed to download. They have been ignored…” when tunning “sudo aptitude update”?

This is what the end of output after I run sudo apt-get update on Ubuntu 12.04: Ign http://apt.typesafe.com unicorn/main Translation-en 35% [Working]W: Failed to fetch ...
2
votes
1answer
130 views

vsFTPd Browser no Listing

I'm trying to access my ftp server through the browser but I am facing an issue. If I access it using Filezilla, I can see the directories fine. However using a browser I get no directory listing as ...
1
vote
3answers
247 views

Make web project writable by apache and other user

I am running ubuntu 12.04 LTS . To be able to view my web project in the browser I did the following: chown -R www-data:www-data /var/www/project Now I wanted to open the project in netbeans but it ...
2
votes
1answer
360 views

Since Ubuntu persistent USB crashed, it fails to boot with black screen pre-login, what to do?

I'm using a persistent live USB version of Ubuntu 13.04. Recently it crashed while I was using it. When I restarted I couldn't get past the Ubuntu logo with the sequentially flashing dots anymore. ...
3
votes
1answer
107 views

detect process that executes portscans

I have to administer an ubuntu 12.04 server, where there seem to go portscans to the whole subnet. How can I find out the process that does the scans? pstree init─┬─acpid ...
0
votes
1answer
180 views

Ubuntu 13..04 reinstall Unity and gnome3

I remove unity and gnome 3 in my Ubuntu. I am using now just mate desktop. But I would like to restore Unity and Gnome3. So I tried this re-install solution, but now i get: The following information ...
3
votes
1answer
7k views

apt-get prompts for CDs when installing packages, how do I make it stop?

I used ubuntu linux before, and I installed debian OS on my labtop using DVDs that I burned. But when I'm trying to use apt-get to install software, the system always asks me to insert disk to ...
3
votes
2answers
2k views

kernel panic Hardware Error - what hardware is responsible?

I'm having kernel panics every other day. below is a transcript of a photo of the console. How do I determine what hardware is responsible for the problem? (or is it software) Ubuntu 12.04 LTS ...
0
votes
2answers
81 views

Why does this command work for logging script output?

This command does not store the output of my script in the log file: . myscript.sh | tee -a log_file.log However this next command does store the output in the log file. . myscript.sh 2>&1 ...
1
vote
0answers
118 views

Tmux hidden input at command line

I've just started using tmux recently, and have run into this problem a few times. Whatever I type on the command line, is hidden from view until I press enter and it is executed. I don't know how I ...
2
votes
1answer
71 views

How to schedule initial configuration of a system after cloning?

I want to setup a big amount of servers using cloning. After the initial image was applied, I want to run a configuration script. The cloning will be done through hard disk replication by the hardware ...
1
vote
2answers
2k views

Recover many files using ntfsundelete

I am using the following command to scan for deleted files: sudo ntfsundelete /dev/sda1 -S 400m-20g -p 100 How can I restore the all of the results? I have tried: sudo ntfsundelete /dev/sda1 -u ...
0
votes
0answers
37 views

Minor sidelines in Guake window on Ubuntu

I had a problem with the display properties of Guake terminal. Though the original problem mentioned here: http://askubuntu.com/questions/287204/guake-terminal-has-space-left-at-the-top has been ...
1
vote
1answer
120 views

OpenVZ bridged networked adapters won't work from sample configs

I've made a copy of the basic config and added the line: NETIF="ifname=eth0,bridge=br0" When I create a new machine and enter it I can't make the network adapter work yet creating an instance from ...
0
votes
2answers
204 views

how os running in virtualbox effect original os speed in laptop [closed]

Suppose I want to run ubuntu on virtual box.. how it effect original windows in terms of speed ?? like we used ram for ubuntu can not be used for windows like that??