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.
5
votes
3answers
2k views
Mount a filesystem read-only, and redirect writes to RAM?
Is it possible to mount a loopback file as read-only, and redirect all writes to RAM?
4
votes
2answers
1k views
VPN with network manager (nm-applet) is not working
My university (TU Wien) offers a VPN in order to get an IP of the university network. The instruction on the university webpage says to install the packages network-manager-gnome, network-manager-vpnc ...
2
votes
1answer
54 views
How to set-up a online SVN server on my laptop
I had created a local SVN server on my laptop running Ubuntu 12.04 and its working perfectly fine. Now I want to make my laptop as server for some valid users who can access my SVN server though ...
4
votes
2answers
202 views
Linux installation stops working after a few reboots
I'm trying to set up a dualboot Win8/Linux on my HP tablet (touchsmart tm2-1050ez).
However, when I'm finished setting it all up, after a few more reboots, I'm not able to boot to Linux anymore, as I ...
0
votes
1answer
857 views
How to setup VLAN on same subnet as Ethernet ?
I have a physical NIC with dev name eth0 with ip 192.168.1.2 and gateway 192.168.1.1 and I want to setup a VLAN with ip 192.168.1.x and same gateway as eth0.
Setting up the VLAN runs smoothly and I ...
4
votes
1answer
1k views
I cannot install new packages: “Could not get lock /var/lib/dpkg/lock”
I am new to Linux (installed Ubuntu for the first time yesterday), and have never dealt with any unix-based OS. I started using Linux for the sole purpose of collaborating code with my partners via ...
0
votes
1answer
79 views
Triple Booting; Windows, Ubuntu, Linux Mint by Windows Installer
I wanted to install Linux Mint 14.1 using the Windows Installer (mint4win.exe). I
copied mint4win.exe to HDD, and when I running it, it prompts me to uninstall Ubuntu. Previously I installed Ubuntu ...
0
votes
1answer
51 views
building/compiling kernel headers
I am compiling kernel 3.4 and 3.8 for different target devices. I would like to install compat wireless driver which requires kernel header. Could anyone tell me how I can compile/build the kernel ...
0
votes
1answer
45 views
Half screen appears to have film on it. Acer C7 Chromebook running 13.04
Right side of the screen is not processing colors properly. Does not show up in white space but when colors deep colors occur the right side is lighter and it seems to be a bit blurry as well.
I ...
2
votes
1answer
563 views
Overflow /tmp mounted when there is free space on /
I recently faced an "overflow" issue on /tmp. I don't have a separate /tmp partition, and there is 17% free in / – then why did I get an overflow tmp filesystem?
# /etc/fstab: static file ...
1
vote
1answer
30 views
UART0 Access in AM1808 using Embedded Linux
I am trying to interface GSM module with my AM1808 processor.
I am using gcc compiler as well as UBUNTU 10.04 Lucid.
I have configured the TXD and RXD pins of UART0 but i can not access the RTS and ...
3
votes
1answer
35 views
Ubuntu filesystem buffers/cache always empty
I have a virtual server with ubuntu 10.04.4 LTS and plesk (preinstalled by hosting company).
Now i have seen that the buffers/cache are always empty.
Current uptime is 22 days. free and htop shows the ...
1
vote
2answers
80 views
How to monitor the last PID assigned by the kernel?
To monitor process creation I'd like to periodically write the last PID assigned by the kernel to any process on the system (not just processes created by the PID-monitoring program) with a time stamp ...
0
votes
0answers
31 views
keyserver timed out when trying to add a GPG public key
I am trying to add a public key for installing a program with CPG. But i am pretty new to this but every command i found gave me the same error:
gpg --keyserver keyserver.ubuntu.com --recv-keys ...
9
votes
3answers
5k views
Linux, disable /dev/fd0 (floppy)
Is it possible to make Linux kernel completely ignore the floppy disk controller? I do not have the drive but obviously my motherboard does contain the controller. I would like to disable the /dev/fd0 ...
2
votes
1answer
84 views
Running Ubuntu of a USB stick. Can't install wireless driver
I've installed Ubuntu 12.04 on my 8 gb USB stick, and got it running. It seems like I don't have the full Ubuntu OS on the stick though, and that was my intention. Anyway, I can run a "demo" version ...
18
votes
4answers
1k views
What doesn't need defragmentation? Linux or the ext2 ext3 FS?
Why don't you have to defrag a Linux system? Because it's using the ext2/ext3 file system or because it's Linux?
That's relevant, because a have a double boot system (W7 / Ubuntu) and a common ...
1
vote
2answers
1k views
Using update-rc.d
As per this question, I'd like to start a /etc/init.d script on boot. I have the following script comments:
# Startup script for Wowza Media Server
#
# chkconfig: - 80 20
# description: Wowza Media ...
7
votes
2answers
14k views
How can I fsck a partition when the device reads as busy (but has been confirmed otherwise)?
I'm attempting to run fsck -p /dev/sda5 to repair errors on an ext4 partition, however the command outputs
fsck from util-linux-ng 2.17.2
fsck.ext4: Device or resource busy while trying to open ...
0
votes
0answers
49 views
Tracing system call on Ubuntu 12.04
The main task I have to carry out, is to trace the system call of processes in ubuntu 12.04 LTS.
Problem is, I am unable to trace them continuously, i.e. as soon as they are added to the system, they ...
0
votes
2answers
230 views
Issue with bad sectors on a laptop hard drive
I had Windows installed on my laptop and suddenly one morning Windows couldn't start. Then I tried after formatting and for once it became possible.
I also installed Ubuntu as logical drive (deleted ...
3
votes
1answer
165 views
USB to Serial in Chrubuntu - /dev/ttyUSB0 missing
The usbserial stuff has been working so well for me in Ubuntu for a number of years that I have almost forgotten how to troubleshoot it. I just installed Chrubuntu, however, and now my usbserial is ...
1
vote
0answers
85 views
unable to connect intex 3.5g modem in ubuntu 12.04
Can anyone help me out on connecting usb modem in ubuntu? Here are the steps i have followed, initially it is recognized as a storage device and the modprobe cmd does not create any impact on it
...
0
votes
2answers
45 views
ssh with identical machines
I have two identical beaglebones that I'm working with. They have the same hostname and originally had the same IP, though I changed one to see if that made a difference. They're going to be deployed ...
1
vote
0answers
182 views
Logged into ubuntu via VNC. Windows key seems stuck
I have an ubuntu server running vnc4server and gnome-session.
When i log in remotely using VNC, it appears that the windows key is stuck. This occurs with multiple VNC clients (ultraVNC/realVNC on ...
0
votes
1answer
25 views
Is there a clang-snapshot?
I've just discovered the wonderful gcc-snapshot package for Ubuntu. I don't see a clang-snapshot or llvm-snapshot package though. Is there an equivalent for clang?
2
votes
2answers
105 views
Lenovo ThinkPad E430 - 32 or 64 bit?
I just bought a Lenovo Thinkpad E430 and want to install Ubuntu in it. But I don't know whether I should install 32 bit or 64 bit.
Its core i5 3rd generation and 6gb ram (2 + 4)
1
vote
1answer
84 views
Low PPPoE speed in Linux (Ubuntu)
We have 2 PC with Ubuntu 12.04 and connect with 1000M/bit cable. We then start iperf on both PCs and get 900m/bit speed using the iftop tool.
However, when we setup PPPoE server on the 1st PC, and ...
1
vote
0answers
27 views
Install man pages in directory with update-alternatives
Using update-alternatives(8) on a Debian system it is possible to add man pages as slaves under some master alternative.
For example, the following command installs an alternative man page tclsh.1 ...
4
votes
2answers
871 views
Number of running processes show in top
The usual maximum number that I have seen in the "running" field displayed in top(1) is the number of logical CPUs installed in the system. However, I have observed that under Ubuntu 10.04 (not ...
4
votes
4answers
343 views
Can I change a shortcut key to Windows key?
I'm trying to change the shortcut key for "Run Application" ( Alt+F2 ) to the Windows key.
When I click "Show the panel's Run application dialog box" in Keyboard Shorcuts, it says "New Shortcut", ...
3
votes
2answers
542 views
Why is Run Application (Alt-F2) very sluggish on a new computer?
I just got a new, strong ubuntu desktop. First time linux user.
I'm trying the Run Application app ( Alt+F2 ), try "Ch" for Chrome, and the app thinks for 2-3 seconds before displaying the list of ...
2
votes
2answers
4k views
'd' Key on VNC Viewer Minimises All Windows
I'm running vnc4server on an Ubuntu 10.10 box, and connecting to it from an Ubuntu 8.04 machine using TightVNC Viewer 1.3.9. I'm unable to type anything with the character d within the VNC session, as ...
2
votes
3answers
803 views
Static DNS setup on client of shared internet connection
I've 2 linux computers, one redhat (client), and one ubuntu (set up with shared internet connection as described here)
At the moment, on the wired connection between the computers, I can ping the ...
0
votes
0answers
232 views
Disk space disappearing [duplicate]
Possible Duplicate:
How to understand what's taking up space?
Hi, I am using Ubuntu 10.10.
I have 40G of disk space in my partition /home
and have used up 10 G of it, so I should have ...
3
votes
1answer
491 views
How to have correct permissions of files from usb disks?
Does anyone have the following problem?
I have an Ubuntu box at work and also one at home.
I always copy folders/files to/from an usb disk to/from my boxes.
I have to change permissions of ...
3
votes
2answers
540 views
Ubuntu Desktop lost
On my Ubuntu 10.10 system, after configuring an external CRT to clone my desktop over S-Video, I've lost my desktop icon and right clicking on it does not show the menu or the menu bar.
I've tried to ...
4
votes
3answers
2k views
/etc/rc.d vs /etc/init.d
Is ubuntu's /etc/init.d directory exactly equivalent (functionally) to what I presume to be the more standard /etc/rc.d/ (at least on arch)? Is there any particular reason canonical used init.d ...
2
votes
2answers
1k views
DSL connection not working in Ubuntu 10.04
I use a wired PPPoE connection to connect to the Internet. What I need to do on Windows to connect to it is put in static IP address, gateway, subnet mask and DNS servers for my LAN card. Next I have ...
0
votes
1answer
43 views
Anti Aliased Fonts with NoMachine NX
I am running nx server on a headless ubuntu server. Its desktop is to Unix -> Custom -> Emacs which gives me an Emacs window on the local machine. The only thing that does not work as expected is the ...
3
votes
1answer
530 views
Toggle touchpad in HP ProBook 4530s
I have a small problem. I installed Ubuntu 11.10 on my HP laptop and among some problems, I'm trying to solve a touchpad problem. It's working, but I can't toggle it on/off.
In Suse Linux Enterprise ...
2
votes
2answers
57 views
Finding yum equivalents of apt repositories?
I have code to setup an Ubuntu server that relies on apt-get. It has lots of packages as documented on our project wiki, for example these: development environment and the ruby dependencies.
However, ...
3
votes
2answers
8k views
How to Fix Choppy Video Playback in Ubuntu?
On Ubuntu 10.04 I experience choppy video playback.
I am running Mplayer and have an Nvidia GeForce 9800 GTX+ video card. I have already installed the libvdpau1 library. I don't know if hardware ...
2
votes
0answers
232 views
Can /mnt/hgfs/'shared folder' be used as apache root?
I have an Ubuntu Server (12.04) running on my development machine. It is in a VM. I have succeeded with the task of setting up Apache2, MySQL, and PHP. I can access the server from my host browser ...
0
votes
0answers
17 views
Unable to connect Intex 3.5g modem in Ubuntu 11.04 [duplicate]
When I try to connect Intex USB modem firstly it is not displayed as a USB modem in networking panel. Then afterwards wen I try to manually add it, I get errors I have tried gnome-ppp and ...
0
votes
1answer
45 views
How to remove a package for the current user?
How can I remove a package for a given user but leave it installed so that other users can still access it? I'm using Ubuntu 12.10.
6
votes
2answers
6k views
File permission issues with shared folders under Virtual Box (Ubuntu Guest, Windows Host)
I am using Ubuntu on Virtual Box and I have a folder which is shared between the host (Windows) and the VM (Ubuntu). When I open any file in the share folder in Ubuntu, I can not change it as its ...
2
votes
1answer
63 views
Power consumption monitoring problem
I used powertop v.2.1 under Ubuntu 12.04 but it missed the power est. column.It's the same situation as described https://bugzilla.redhat.com/show_bug.cgi?id=796068 and that bug is supposed to be ...
1
vote
1answer
28 views
HAProxy should not forward an incoming request to down instance
In my scenario, I have 2 servers, both are communicating with HAProxy. When a request comes in, HAProxy splits the request and sends it to both servers, following a round robin method. If in any case ...
1
vote
1answer
76 views
How can I test whether the output from a command is null or empty string? [closed]
I'm trying to get a pre-commit hook script to work on our old SVN box.
It's very old, running Ubuntu Server 8.04.
This script:
@echo off
::
:: Stops commits that have empty log messages.
...
