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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Grub2 Error Loading Kernel

I have been trying to start a small home server, using Ubuntu 10.04 Server edition. The installation process finished, and I got an error from Grub saying that it was "out of disk". After a bit of ...
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1answer
508 views

Xorg: two different libglx.so's with two different serverlayouts

I have an nvidia card for on monitor and a radeon (onboard) card for a second screen on Ubuntu 11.04. Would it be possible to have one serverlayout use the nvidia libglx.so and the second ...
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111 views

compiz scale plugin arrow movement breaks sometimes

The arrow keys cycles between the windows. But sometimes it won't let me switch to window down, just left or right and other times it won't let me go up. I'm not sure if this is a feature or a bug, ...
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313 views

VirtualBox bug[?] when Chainloading Grub2

Regarding this: How to install Fedora&Ubuntu with encrypted VG's on one disk? So booted into Ubuntu..and I run this script: #!/bin/bash # show the bootlist of grub when booting pc sed ...
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1answer
188 views

Can't get pop down menus to do anything in KDE/QT application GUIs in Ubuntu (Gnome session)

I have a brand new install of Ubuntu 10.10 x64 in an attempt to solve the following problem from my previous 10.04 x86 install, but with the exact same problem persisting. When trying to run Amarok or ...
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0answers
737 views

power management of USB-enclosed hard drives [closed]

With a typical USB hard drive enclosure, is the full range of drive power management functionality available? edit: moved this into a separate question: In what may be an unrelated matter: is it ...
2
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1answer
59 views

Sharing /boot between two Ubuntu 12.04 Server installations?

This question may seem trivial at first sight, but it has certain implications and I'm wondering what is the recommended path to take here. Assume the following scenario: a server system. The default ...
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1answer
1k views

How to change the default web page in Linux Mint 12

I need help with Linux Mint 12. I am trying to change the default web page, so that people using guest-session will open a specific web page instead of Linux Mint's corny default site. Also, please ...
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1answer
234 views

What user installs a .deb package?

I am experiencing a behavior in the installation of a .deb package that I don't really understand. I have a set of "things" in my computer that I deploy to remote computers using a .deb package. I ...
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2answers
567 views

RAM usage doesn't add up? (Free+used < total)

Lately I've been noticing that my monitoring script which reads from /proc/meminfo and /proc/<pid> has been showing odd readings, where several hundred MB seem to be missing. htop is showing the ...
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4answers
220 views

Why is the available space in my $HOME decreasing?

My OS is Ubuntu 12.04. As System Monitor shows, "free" for my $HOME is 1.6GiB, but "Available" is 222.7 MiB and is keeping slowly decreasing from around 750 MiB yesterday. I am not aware that I am ...
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4answers
1k views

Crontab not working

I'm trying execute a basic shutdown crontab to run M-F at 10PM. So I did the following: sudo crontab -e Once inside of the crontab I added the following line: 0 22 * * 1-5 shutdown now The job ...
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4answers
89 views

Is really need Internet connection after installed all pkgs?

I know when you want to Install any new pkg then internet connection is required .right now I am using Ubuntu 12.04 I have Internet connection. using following command I installed one pkg.(e.g vlc ...
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5answers
430 views

Does Fedora play all movie formats out- of-the-box?

Because Ubuntu does not. With Ubuntu it is the greatest of hassles to get certain video formats to play, like mp4 and wmv. With Fedora, does the movie player just play all movie formats ...
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1answer
36 views

Why is this flag not working?

Ok so i want to view the ram and have it run continuously root@another:/etc/mysql/database_backups# free -mt total used free shared buffers cached ...
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2answers
597 views

Are there programs that work for Red Hat but not Ubuntu?

And vice versa? What about other distributions too?
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5answers
376 views

Does verifying packages enhance security and/or stability of a system?

RedHat/CentOS and Ubuntu both provide packages to verify the contents of a package. CentOS uses rpm -V. Ubuntu uses debsums. I've spoken to admins who run these tools to verify the packages on their ...
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3answers
255 views

/usr/bin/host not picking up changes to /etc/hosts even after reboot

I have a Ubuntu Server 12.04 (amd64) machine on which, when I change /etc/hosts, the changes aren't picked up, even after a reboot. I am using /usr/bin/host to test, but none of the other programs ...
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1answer
165 views

Accidentally set /lib permissions to 644

Long story short, I've got an Ubuntu server box that was recently compromised (I believe through a known exploit of an older version of Tomcat, which has already been updated). Part of the exploit ...
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2answers
941 views

How to permanently remove all Mono related package (libs, apps, etc.)

I'm a Ubuntu newbie. In my opinion Mono is a patent trap and I do not want my distribution of choice to be tainted by anything Mono or any application that requires Mono. So I would welcome your ...
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3answers
8 views

how to pipe the output of cut to the foreach command?

I have the cut command I want that grabs the first word in each line of a file. I then want to put each word from the cut command into a foreach. I then want to do a grep command inside the body of ...
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2answers
95 views

I can not log into Ubuntu 12.04

by ignorance and error I renamed the user_name of the directory /home/, called frank_account (home/frank_account) to sixven(/home/sixven) (using gksudo nautilus). Restarting Ubuntu, I get 3 users: ...
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2answers
236 views

Another package being selected instead of what I am trying

I am trying to install dhcp3-server,but it is instead selecting isc-dhcp-server and its not working as per my expectations. Please help. Reading package lists... Done Building dependency tree ...
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3answers
1k views

Can only access my webserver from my computer?

I am learning Apache2, and I just attempted to make my local web server live to the internet. When I type my IP 86.207.14.136 on the browser's address bar and access it, I see the index.html stored ...
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3answers
1k views

Recommend distribution for Graphic Design

I'm new here. I need for a Linux Distribution for my girlfriend, to install on her computer (in a VM, to be more exactly). She studies Graphic Design, and she use to work on Windows XP, but she got ...
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3answers
756 views

Disabling email for an account

I have an amazon ec2 instance running ubuntu. There are only a couple of user accounts and the server is used to host a small web app. Apparently, by default, each user account has an email account. ...
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1answer
2k views

How can I resolve the “invalid ELF header” warning when trying to SSH and what does it mean?

I'm getting some kind of warning when checking my connection to github. Why is it happening and how can I resolve it? $ ssh -TI ~/.ssh/id_rsa git@github.com dlopen /home/ubuntu/.ssh/id_rsa failed: ...
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1answer
3k views

Install Backtrack 5 r2 into running LUKS setup installed with ubuntu

One Harddisk (sda) Two Partions. With a working ubuntu running. 1) /boot 2) LVM with this virtual volumes/partions/ or whatever they are called inside: Swap Ubuntu Home Prepared for Backtrack Of ...
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2answers
400 views

Adjusting Screen Size on Ubuntu Virtualbox

When running Ubuntu as a Vitualbox guest, with a Windows 7 64-bit machine as host, how can I maximize the screen so it fills up the whole monitor?
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2answers
79 views

How to replace a custom date string in a text file

I've looked through several tutorials and a couple of StackOverflow posts, but I've not seen any examples using sed or awk which use dates. I have a text file that contains this as the first line, I ...
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2answers
55 views

Saving an iptables configuration permanently

How can I save this configuration permanently? sudo iptables -t nat -A POSTROUTING -s 10.10.0.0/16 -o eth0 -j MASQUERADE
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2answers
159 views

Shall I upgrade my OS from Ubuntu13.04 to Ubuntu13.10? [closed]

I am working on Ubuntu13.04. Now Ubuntu13.10 is available. So, I wanted your advice on what added features and advantages I may expect from the latest version. I read this link to know about the ...
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3answers
169 views

Need small distro without a desktop or windows manager, just to run a single graphical app [duplicate]

I am looking for some help on this from a linux expert. I am very novice when it comes to linux so I am hoping someone can help out. I need a small distro, that is stable. I don't need a full X ...
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3answers
2k views

Darcula dark theme for Eclipse

I wonder if there is a way to use Android Studio Darcula theme in Eclipse? I am trying to make Eclipse look a little bit like AS. So far I have made changes to the editor window and I have no idea how ...
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1answer
747 views

Use server name instead of IP address

Installed apache 2 in my Ubuntu server and I use many web application like osc, glpi. To browse these applications I have to write @ip/glpi in browser. my purpose is to use servername instead of ip ...
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2answers
608 views

How can my server detect IP changes in order to notify my dynamic-DNS provider?

Just set up ubuntu server, which has a dynamic ip. I am looking for a way to keep my dns server updated. Im using entrydns to do this and they provide the following command to update the server. curl ...
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3answers
762 views

Ask root for password when using su command

I'm trying to edit /etc/sudoers via visudo, but I don't know how to change the root rights. I want root to be prompted for the user1's password, when he tries to use su user1.
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3answers
4k views

The command to upgrade to a new kernel from Ubuntu repositories

In the distro I'm most familiar with -- ALTLinux, a command like apt-get install kernel-image-std-def#3.0.... would install another kernel, and update the initramfs and the bootloader config ...
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2answers
2k views

How to make LXTerminals open maximized in Lubuntu 11.04?

I have Lubuntu 11.04, I start my terminal sessions with a shortcut. The annoying thing is that the terminal windows are never maximized when I launch them, so every time I launch a terminal I must ...
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2answers
522 views

good Ubuntu/Debian distro for a development/coding VM?

I have a Windows laptop, but I like to use Linux as a development/coding environment. Currently I am currently running Ubuntu 12.04 as a guest OS with VirtualBox. Some of the issues with this setup ...
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3answers
658 views

Safest HardDrive Format for Archiving/Media Storage Data?

What is the safest hard drive format (NTFS, HFS+, XFS, ZFS, ...) for archiving or/and storing media (data)? I'd prefer to have the data not corrupt and be relatively safe (From corruption, ...) and ...
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5answers
1k views

I deleted files from my Linux box's /boot directory and now it won't boot

I deleted files from /boot to save space, but now when I boot I see: GRUB loading, please wait ... ERROR 15 /boot still has files corresponding to the 2.6.32-27 version of Linux. But I deleted ...
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3answers
346 views

Linux as virtualisation host and client performance under Core i7?

(to skip the details, jump to last paragraph) A few months ago I built what I thought was a beefed up box with an AMD Phenom II X4 955, 8 GB DDR3 1333 mHz RAM plus a nice motherboard (can't remember ...
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2answers
40 views

ubuntu + how to install the patch command

Please advice how to install the patch command on Ubuntu Linux I download the following file , patch_2.6-2ubuntu1_amd64.deb ( from site - http://packages.ubuntu.com/lucid/patch ) But not clearly ...
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2answers
74 views

Ubuntu install spanning multiple disks

Having to reinstall the operative system from scratch on an EeePC 901, which has two SSD disks, 4GB and 16GB, is it possible to install it using both disks as if they were one?
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2answers
57 views

Download the file from either of two machines using SCP?

I have a below bash shell script which I am running from machineA and that shell script will try to download a tar file from either of these two machines machineB and machineC and put it in ...
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5answers
84 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 an user.Once we do not put a password we can directly log in to the ...
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2answers
196 views

shutdown ubuntu server after 2 days at midnight

without using a cronjob how would I have a ubuntu server shutdown after 2 days (2880 minutes) at midnight? The essence of what I want to do is this: bash shutdown -r +2880 00:00 which would tell ...
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2answers
72 views

Figuring out installed packages on Ubuntu from filesystem backup

I have a full filesystem backup from my Ubuntu box, and my OS disk crashed. Is there a way to list all installed packages (like dpkg -l does but) from the backup? The logfiles are not an option as ...
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1answer
73 views

Cron job doesn't seem to be executing in ubuntu

I have a script located /myscript/script.sh and I have a cronjob that I submitted like this: sudo crontab -e The contents of the crontab are as follows: */1 * * * * ./myscript/script.sh The ...