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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Ant error after installing NetBeans 7.3 in Lubuntu

I have NetBeans 7.01 from Debian repository - all works. But I have a problem with NetBeans 7.3 from the official site (installed on the same machine) - I can't compile anything: ERROR - Ant is ...
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296 views

Touchpad does not work anymore. How to reenable?

I dont know what I did and if it was my fault. But for two days my touchpad does not work anymore. Google does not help me. Fact that may help: I have no xorg.conf. Ubuntu system settings ...
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1answer
232 views

Getting 401 error from Old-Release Ubuntu Server

I am running Lubuntu 10.10 for a server that I use at home. I keep getting errors from the old-releases.ubuntu.com repositories I have to use. They are 401 access denied errors, has anyone else ever ...
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2answers
3k views

Virtualbox: Mount a shared folder in Guest FreeBSD from Host Ubuntu

I have Ubuntu 12.10 as Host OS and FreeBSD 9 as Guest OS in Virtualbox 4.1.18. I have Samba installed in both Ubuntu and FreeBSD and shared a few folders from virtualbox, also ticking the automount ...
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1answer
1k 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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1answer
82 views

Relation between the kernel version and OS version

I am running a Ubuntu of version 12.04. Can I use a kernel of version of version 2.4 on it?
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1answer
397 views

Permanently disabled touchpad with function key

I pressed Fn+F5 on my Samsung 9 laptop, which disables the touchpad. It worked, but now I can't re-enable it. Clicking (and even click-through tapping) work, but the pointer doesn't move. If I cat ...
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2answers
179 views

Find the files algorithm [duplicate]

I'm using Linux (Ubuntu 12.04). I'm trying to know how 'find' command works. My question is, how can I run and test the C files for 'find' which I downloaded from the GNU findutils ?
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2answers
2k views

Guest OS Ubuntu 12.04 no network connection

Recently added a new *.VDI image with Ubuntu 12.04 to my existing VirtualBox. The machine hangs with a "Waiting for network configuration" error, eventually times out after 60 seconds and boots in ...
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2answers
3k views

(SSH) Is it dangerous to close terminal without “exit”?

This happened many times. While the SSH active, I'm so tired and just close the terminal without exit Is it dangerous to doing like that?
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3answers
426 views

Dual boot Ubuntu with windows 8

I have Windows 8 and need to dual boot Ubuntu. I made a new partition from Windows Manager, but when I boot Ubuntu and select the new partition I get the error: this partition is not rooted !! ...
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1answer
2k views

How to get grub Ubuntu 12.04 to boot from secondary boot partition and use new seperate root

On a remote Ubuntu server I performed a series of upgrades/changes to go from a desktop-install Ubuntu 10.10 Maverick to a server-install of 12.04 LTS Precise This all went well except a few hickups ...
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2answers
567 views

How to bzip a file with minimum cpu percentage?

I am using bzip2 to compress a file,the process takes more that 100% cpu.Is there any way to run bzip2 with minimum CPU precentage.
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2answers
5k views

Change Partition Table with GParted

I have an Ubuntu 12.04 LTS server that has 6x600GB SAS drives in a RAID 5 configuration (Perc 6/i). The partition scheme looks like this: Partition File System Mount Point Size /dev/sda1 ...
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2answers
848 views

access a command line via a web browser

2 questions: Question 1 My job blocks ssh which means that I cannot ssh to my home server. However, they do allow https out. Is there a package out there for ubuntu that will allow me to connect to ...
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2answers
6k views

Use shared libraries in /usr/local/lib

I have build some libraries from sources, and the files after make install are in /usr/local/lib For example, in my case I have the file libodb-2.2.so which is in this directory. However when I ...
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2answers
1k views

/nagios/cgi-bin/statusmap.cgi was not found on this server

I installed Nagios 3.4.4 on Ubuntu server 12.10. Installation was successful but now I'm not able to view maps and trends.When I try, I get the following error /nagios/cgi-bin/statusmap.cgi was not ...
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1answer
728 views

GParted messed up my partitions

Update: running testdisk I can actually see all of my files in /dev/sda1! I wanted to install Windows alongside my Debian installation in order to play some games. In order to do that, I had to boot ...
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2answers
6k views

How can i free up memory / manage memory on a linux box?

I am running two Ubuntu 12.04 servers (no GUI / desktop) using canonical's cloud images on Amazon EC2. One is a micro with 613MB of RAM and one is a medium with 3.75GB of RAM. I only have opscode's ...
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1answer
1k views

Sharing Ubuntu drives with Windows

I'm new to the whole Linux thing. I have a Linux server up and running and have been using this guide as a help. I have an issue with shared drives. My Windows machines can see them but cant write to ...
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3answers
357 views

How to create partition in ubuntu server 12.10

I'm trying to create partition during Ubuntu Server installation(12.10).Now I have a 500GB hard disk where I need to create a partition of 200GB for root file system and another 20GB for swap space ...
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2answers
1k views

How to implement package install suggestion on Debian?

I have noticed that while on Ubuntu, if I type the following: mc and it isnt installed, I get the message below: The program 'mc' is currently not installed. You can install it by typing: sudo ...
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0answers
304 views

problem with socks in proxychains

I'm trying to connect to a socks server using proxychains. My ProxyList part of proxychains.conf is: socks5 ip1.sockssrv.org 1080 MYUSER MYPASS When I try to use it; for example using ...
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1answer
850 views

How to install netbeans on Ubuntu

I'm trying to install Netbeans on Ubuntu. I downloaded netbeans-7.3-javaee-linux.sh, but when I opened it it didn't work. I tried opening it from a terminal, but it didn't help, and I ran: # sudo ...
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3answers
320 views

Is it mandatory to have a variable in awk's first statement?

I am having some hard time with awk today. If I try to do: df|awk '{print $2; $some=$2; print $some}' It works as expected and I get the size of the disks twice but if I do: df|awk '{$some=$2; ...
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3answers
205 views

Can I install ubuntu on a Virtualbox image and use it anywhere?

I am wondering if I install ubuntu once on a virtual machine running inside virtualbox, could I then use it as a portable OS and launch it from virtualbox on any machine? Or would I have to match the ...
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0answers
362 views

Problem connecting to L2TP VPN

I installed l2tp-ipsec-vpn‍‍ from ppa:werner-jaeger/ppa-werner-vpn. Yesterday I was able to connect to my L2TP vpn account successfully. But after restart i'm getting this on syslog: Mar 07 ...
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3answers
9k views

No targets specified and no makefile found. Stop. Makefile ubuntu

When I execute the command sudo make I get this error: No targets specified and no makefile found. Stop.
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1answer
98 views

Which packages contain IPsec implementations and algorithms that use it for encryption?

Which package contains the implementation of IPsec and which package contains the implementation of encryption algorithms that IPsec uses for encryption? I need to use custom crytographic algorithms ...
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1answer
254 views

How to use lockstat.txt on Ubuntu 12.04?

I have Ubuntu 12.04 installed on my machine. I want to use lockstat. I have looked at Documentation/lockstat.txt but I am not getting how to use it, if possible please help me out. I am working on a ...
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2answers
158 views

Where is the frame.h located in modern Linux implementations? (ubuntu specifically)

A book I am reading refers to an include file that shows how a stack frame looks on one's UNIX system. In particular: /usr/include/sys/frame.h I am having trouble finding the modern equivalent. ...
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1answer
295 views

Enable compiz window grid with visual effects set to none. Ubuntu 10.04

I have to disable "Visual Effects" (system -> preferences-> appearance -> visual effects -> none) because I get a terrible flicker/blinking when it is enabled, but I'd really like to use compiz window ...
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2answers
59 views

Ubuntu 12 installation - partitions

I want to install Ubuntu 12 and I would like to partition my hard drive so that the OS lives in its own partition and the data in a different one. Thus if the system breaks for some reason, the data ...
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2answers
172 views

Which process updates /proc/scsi/scsi?

I wrote C that displays info about my hardware on ubuntu. Now I wonder how I can make it more flexible such as querying the hardware directly instead of the file the os updates. So I think I can look ...
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2answers
924 views

Ubuntu: can't find ndbm.h

I need to compile an old apache version, 1.3 and compilation process fails because: mod_auth_dbm.c:77:18: fatal error: ndbm.h: File or directory not found where is it?
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81 views

What kind of crash would crashdump fail to capture?

A freshly built machine running Ubuntu 12.10 64bit is hanging under seemingly random conditions. To debug this I've installed linux-crashdump, confirmed that the second kernel is loaded and a ...
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0answers
512 views

Installing 12.04LTS Server on a Fake RAID10

Scenario Install Ubuntu 12.04LTS Server on a RAID10 with boot on a RAID1. 4 - 2Tb SATA Hard Drives 3 Partitions (/boot, /, and swap) boot (256Mb from each disk) setup in RAID1 /dev/md0 partition ...
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0answers
105 views

beagleboard com and HDMI dispaly

I've installed Ubuntu 11.10,lkde and gem on my BB and I connect to it through serial com. when trying GUI application through the com (e.g. gedit) I get "display not found, though a monitor is ...
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0answers
341 views

lxc networking quesion

I have a similar requirement to the OP of this thread. I want the following configuration: -Physical host (PhyHost) reachable from the network at IP 10.1.101.89 -LXC container (LxcHost) ...
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2answers
452 views

How to delete a library which is not visible for package manager?

Long time ago I've installed matplotlib which I need to remove. I did it from the source, so if I go to synaptic manager (I use ubuntu) then I don't see matplotlib installed. But I found ...
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3answers
1k views

How to prevent shutdown when an SSH user is logged in?

I'm administrating a networked environment and I had an interesting situation arise yesterday. When a host is required to shutdown by a regular user, it refuses to do so if other users are logged in ...
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1answer
131 views

Package Installation log creation

I have written a script for installing packages on Linux(Ubuntu). So I want to create a log file for installation of packages for troubleshooting if any problem occur during installation.So please ...
2
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1answer
655 views

SSH host key keeps changing

I am trying to set up a web service (using the Play Framework) on an Ubuntu machine on the network. However, I am experiencing intermittent failures connecting to it, not being able to connect to it ...
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2answers
4k views

Changing root password does not change sudo password

I'm trying to change the password that get's asked when doing sudo. I'm in Ubuntu. Doing 'sudo passwd' or 'sudo passwd root' does give me the two new password questions, and it successfully changes ...
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1answer
153 views

Deleted header file /bits/types.h

On compiling a program using gcc, I was getting syntax errors in /sys/types.h. While investigating the problem, I ended up mixing up the /bits/types.h and /sys/types.h and I mistakenly deleted ...
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1answer
265 views

Washed out colours with screencast software but not screenshot on Ubuntu (all versions)

I have experimented with screencast software on Ubuntu over a number of LTS versions and using pretty much every software I can get my hands on. I have used VLC, RecordMyDesktop and some others the ...
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1answer
55 views

Why grp:lctrl_lshift_toggle still keeps right keys as switch triggers?

I ran the following command in my terminal: setxkbmap -layout us,ru -option "grp:lctrl_lshift_toggle,ctrl:nocaps" but for some reason, the effect is the same if I specified "grp:ctrl_shift_toggle" ...
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2answers
547 views

How to turn off DELL BIOS beeping through Ubuntu?

I removed my LCD with Inverter, because it was broken. I'm using a Inspiron 4050 with a HDMI or VGA connected at TV, but the BIOS beeps(8times) continuos for ever and ever. There is a way to control ...
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0answers
641 views

ping receives no packets, but tcpdump can see them coming in

I'm migrating an old Ubuntu OpenVZ instance (Jaunty) to a new CentOS 6.3 host (using vzdump/vzrestore). Now networking does not work properly. Facts: It works just fine if a setup a new OpenVZ ...
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1answer
827 views

How to use one distro's live CD to install another distro?

I'm trying to install Mint Linux to a USB stick, but the Mint live CD doesn't fit on a normal CD and I don't have any DVDs available. The Ubuntu live CD does fit on a CD, so I want to use the Ubuntu ...