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.
0
votes
3answers
96 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 ...
1
vote
0answers
58 views
ubuntu:terminal+ssh+vim, resize
Background:
OS:ubuntu 12.04
Display: two, one is laptop, and another is a extended monitor, which is bigger.
Problem:
Open a gnome-terminal in the bigger display, and log on the remote Linux ...
1
vote
0answers
110 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 ...
0
votes
3answers
495 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.
1
vote
1answer
56 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 ...
2
votes
1answer
57 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 ...
1
vote
2answers
66 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. ...
0
votes
1answer
48 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 ...
0
votes
2answers
45 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 ...
0
votes
2answers
66 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 ...
1
vote
2answers
122 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?
1
vote
0answers
29 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 ...
1
vote
0answers
164 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 ...
1
vote
0answers
83 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 ...
1
vote
0answers
118 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) ...
0
votes
0answers
431 views
Replacing Ubuntu 12.04 with Backtrack 5 R3 dual boot with Mac OSX Mountain Lion
I installed ubuntu 12.04 to run alongside my osx on my 2011 macbook air and would like to remove ubuntu completely to boot replace it with backtrack. I deleted the partition where ubuntu was located ...
0
votes
2answers
61 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 ...
11
votes
1answer
383 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 ...
0
votes
1answer
36 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
votes
1answer
117 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 ...
0
votes
2answers
128 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 ...
1
vote
1answer
54 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 ...
2
votes
0answers
62 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 ...
1
vote
1answer
29 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" ...
0
votes
2answers
149 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 ...
2
votes
0answers
210 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 ...
0
votes
0answers
220 views
how to install elo touchscreen driver
i need to install elo touchscreen driver on an intel series panel pc. i do not have any idea whether to install the driver from elo download link as it only supports kernels 2.4 and 2.6! it is better ...
0
votes
1answer
232 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 ...
2
votes
1answer
196 views
How to execute a shellscript when I plug-in a USB-device
I want to execute a script when I plug in a device in my Linux machine. For example, run xinput on mouse or a backupscript on a certain drive.
I have seen a lot of articles on this, most recently ...
1
vote
0answers
134 views
xrandr config not loading properly at startup from .xprofile
I'm using xrandr to rescale the resolution on a netbook (Ubuntu 12.10). When I run the following command it works fine:
xrandr --output LVDS1 --mode 1024x600 --panning 1280x720 --scale 1.25x1.2
...
0
votes
2answers
252 views
Heartbeat with virtual IP at Ubuntu 12.04
I have installed heartbeat package at both linux devices so that when ever clients request a service they will be arrived to this IP, and client will not know what are the back-end/actual ip addresses ...
1
vote
1answer
91 views
kvm guest Network interface no Authenication
i have a kvm host based on ubuntu 10.04 host , and the guest is rhel 5.3 64-bit,
on the guest i tried to execute mii-tool eth0
SIOCGMIIREG on eth0 failed: Input/output error
SIOCGMIIREG on eth0 ...
0
votes
0answers
151 views
Error when trying to install valgrind on Ubuntu 10.04
Having trouble tracking down a solution to the following problem. I am running Ubuntu 10.04.
~$ apt-get install valgrind
Reading package lists... Done
Reading state information... Done
Some ...
2
votes
1answer
319 views
NFS does not work. mount: wrong fs type, bad option, bad superblock
This is what I got on server:
manuel@server ~ $ cat /etc/exports
/var/share 192.168.178.20(rw, sync)
manuel@server ~ $ cat /etc/hosts.allow
portmap: 192.168.178.20
manuel@server /etc $ cat ...
1
vote
0answers
174 views
Ubuntu 10.04 kvm Virtual Machine guest network speed slow
i have the following situation, i have a kvm host ubuntu 10.04 LTS 64-bit network host speed is perfectly run , as i am testing network speed using iperf , the speed between any network device and the ...
0
votes
0answers
79 views
Acer C7 Chromebook 3.5.0-24 kernel problems
I get this error trying to update and up in the top right ( I use gnome classic ) there is a largeish - sign that's red and the minus is white
Message : E:The package ...
1
vote
0answers
62 views
External HDD read/write permission changing from a cron job
So, I run an overnight python script that runs a backup of our web data in the /var/www directory, then moves the backups to an external HDD in /media. The script in scheduled in the sudo crontab ...
0
votes
1answer
78 views
Having trouble executing a compiled C program
I am running an Ubuntu v10.04 through VirtualBox. To test the persistence of files I create in the virtual machine, I wrote a very basic C program. When I shutdown the virtual machine and restart it, ...
0
votes
0answers
120 views
Exporting (US International) keyboard layout from Debian (Ubuntu) and importing it to Windows 7? [closed]
Here is Windows' US International layout:
(You need at least 10 reputation to post images.)
And here is the Debian (Ubuntu) Implementation, namely US International with dead keys:
(You need at ...
4
votes
3answers
477 views
How to mount/recover data on a disk that was part of a mdadm raid 1 on another machine?
Some background
The disk itself was "worked on" by a friend and is said to be still intact, undamaged and still mountable/recoverable
The disk was part of a software raid 1 on Ubuntu 12.04
The other ...
0
votes
1answer
105 views
Wireless on my Dell Latitude E5320 doesn't work on Ubuntu but works on Linux Mint. What can I do to make it work?
I have dualboot Ubuntu 12.10 & Linux Mint 14, both are clean install & updated with the latest. My wireless works flawlessly on Linux Mint but it's very unreliable on Ubuntu: every 15~20 ...
0
votes
3answers
139 views
How to print the percentage of disk use from `df -hl`
I know that df -hl outputs a list of all my partitions with its size, usage as a percentage, and space available.
If I wanted to output just the size and usage as a percentage of sda2 and sda3, for ...
0
votes
3answers
150 views
Is there a difference in resource use/requirements between Ubuntu and Debian versions of Linux Mint (under the same DE)?
I intend to use Linux Mint on a RAM/1GB laptop. I'm used with Xfce and LXDE and I see that both Linux Mint 14 Nadia and Linux Mint Debian have Xfce versions.
Is there a reason to prefer one to the ...
5
votes
3answers
357 views
“Unable to resolve hostname” - how to cleanly change hostname without rebooting
At work, I work on a small website using Ubuntu servers hosted on Amazon EC2 instances. We have two webservers, and at any given time one of them is 'live' and one is 'testing', but when we've got our ...
0
votes
0answers
47 views
Boot disk unavailable
Background
I've got one 32GB SSD that I have Ubuntu 12.10 installed on (this drive is encrypted), and two 1.5TB drives that will serve as storage and backup respectively. I have formated both drives ...
3
votes
1answer
2k views
Suddenly, I Can't login with correct password (greeter & tty)
This might be a duplicate of other password related questions but it's somehow eccentric.
I have 3 accounts in my Ubuntu 12.10 system (one standard and two administrators). One of the administrator ...
1
vote
2answers
48 views
The dependency isn't installed
I'm testing my .deb package and cannot find out why it doesn't install the dependencies:
The control file's Depends line is:
Depends: zend-grid-module, postgresql-8.4, ${shlibs:Depends}, ...
1
vote
1answer
163 views
Upgrade matplotlib to 1.2 or 1.3
I am trying to upgrade my python matplotlib but for some reason I can't get it to upgrade.
I originally installed matplotlib with:
apt-get install python-matplotlib
which was fine. However it ...
0
votes
1answer
245 views
Graphics fuzzy in Ubuntu 12.10
I am new to Linux and Ubuntu. Having just installed 12.10 I notice that I get fuzzy text and icons that change when I move my mouse over them. See picture below as an example. What could be wrong and ...
0
votes
0answers
179 views
Linux Permissions vsftpd
I have mybb installed and running in /var/www/forums.
I have two users part of the www group, logan and www-data.
I have the recursive permissions of forums directory set to:
chmod -R 755 forums
...
