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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All USB ports detected as USB 1.0, not USB 2.0

My Ubuntu 13.10 server (Upgraded from 11.10) has always had an issue with mounting USB 2.0 devices. Despite legacy being turned off on the motherboard bios, the output of lsusb -t always shows the ...
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1answer
2k views

I need a step by step guide to build kernel modules in ChrUbuntu

I don't have experience building kernel modules. And worse, I'm trying to do it on ChrUbuntu, so it seems that I cannot follow the existing Ubuntu guides. For example, this command fails: # apt-get ...
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2answers
3k views

Achieving full resolution with PowerVR SGX454 on Ubuntu 12.04

I have a Mini-PC with an ASRock AD2700B-ITX motherboard, which has an Intel PowerVR SGX545 on-board graphic chip. I installed Ubuntu 12.04 on it today. Everything is working properly and is quite ...
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2answers
2k views

What could cause network latency on a fresh Ubuntu Server 10.10 install?

I have recently purchased a machine to run an online game server. I put the machine together and have installed a fresh copy of Ubuntu Server 10.10. I have noticed that the game server produces a ...
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4answers
13k views

What program do I use to check mail?

I'm receiving "You have mail" messages and according to How to remove “You have mail” welcome message I should read my mail with mail. However I cannot find the command in my system (Ubuntu 10.04 ...
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4answers
3k views

How to truely install a tar.gz file on Linux - how to manage manually-installed (or standalone) applications?

I see all these links explaining packages and .debs... I know that... and there are many kludges to get tar.gz files working (eg: update-alternatives for Java or manually dropping the file in ...
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3answers
1k views

Command line join of password protected wireless networks in Ubuntu, Arch Linux, or other distros?

Is there a way to join a password protected wireless network via the command line in installations of Ubuntu or Arch Linux with no desktop environment or any GUI installed? Also, could this be done ...
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3answers
1k views

In awesome window manager, how can I make key bindings send keyboard events?

I don't think that title probably helps very much, but here's my issue: I'm using the awesome window manager and am trying to make my key bindings to be similar in flavor to OSX for special keys. ...
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4answers
19k views

SSH login with clear text password as a parameter?

I need to login to a user that I've created on a remote host running Ubuntu. I can't use an ssh key because the ssh login will happen from a bash script ran within a server that I wont have access to ...
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4answers
1k views

Spoofed MAC address ignored by wpa_supplicant?

I'm using wpa_supplicant to power my wireless card in my Ubuntu Server (yes I know wireless in a server is bad, but this is a special case) since it has the ability to automatically roam WAPs instead ...
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3answers
861 views

How does one open a new window from the shell with a specific size and position?

For example, say I wanted to start gnome-terminal with it's northwest corner at 0,0, and make the window 736x434 pixels (apparently the default, which allows for an an 80-character by 24-character ...
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1answer
3k views

Where are NetworkManager's WiFi settings stored?

I remember the days of playing with /etc/$WE/wpa_supplicant.conf to try and force a semi-secure network on a debian based system, but now on to xubuntu, I haven't needed to do any *.conf-ing in a ...
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1answer
680 views

Why root's default shell is configured differently with other normal user account's default shell?

As I know, root's default shell is configured csh and normal user's default shell is sh in FreeBSD. And in Ubuntu, root is dash, normal user is bash. (refer: What's the Ubuntu's default shell?) Why ...
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2answers
672 views

What's up with this 'gnome' package?

I have recently grown tired of the way Rhythmbox starts up every time I plug in my MP3 player. I know I could simply disable this, but I've decided to uninstall Rhythmbox instead. It's such a ...
5
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1answer
570 views

`p` key doesn't work in X

Today I had to force-shutdown my machine after it froze during resume from suspend. Since the reboot, I've found that the p key doesn't work normally in X. It does work normally in the console. ...
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2answers
2k 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 ...
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2answers
1k views

Installing OpenVPN to replace Cisco VPN because Cisco will not work with the kernel I am on or downgrade instead?

I had difficulties installing Cisco5.0 VPN on my Ubuntu 10.04 LTS. I asked for assistance in this question: link to previous question. The answer is that this Cisco program will run on only older ...
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3answers
4k views

Is it possible to export env variable via Upstart?

I need to export a variable FOO=stringhere so that system processes could use it. And the place I would like to do this, is Upstart job. Unfortunately, I tried as per Upstart manual to do env ...
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2answers
703 views

Run Python Portio script as normal user without root access

I know there are risks running a root script as a normal user, but in this case I don't have a choice and what I am doing is machine related. I have an Small Board Computer that has GPIO ports and I ...
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2answers
16k views

Why do I get an “rsync: failed to set times on … : Operation not permitted (1)” error on Ubuntu 10.10 with SME Server 7.4? [duplicate]

I am trying to cron an rsync via ssh between two fileservers that are running SME Server 7.4 and Ubuntu 10.10, respectively. The first rsync worked just fine (for reasons that I do not know), but now, ...
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2answers
738 views

Power management hook for running scripts on wake

I'm looking for a way to run an arbitrary script every time my laptop wakes up.
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2answers
118 views

How to control the time that users spend on

I need a solution that allows me to control the time that each user spend on the computer, excluding idle time (some kind of parental control). I've tried timekpr, but it doesn't work on Ubuntu 13.10. ...
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2answers
257 views

Apache ownership and permissions for wordpress

I'm new to running a VPS, but I managed to get the whole system setup and secured without any issues :) My question concerns Apache and the different ways it can operate. For this particular machine ...
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2answers
249 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 ...
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2answers
170 views

Running a daemon as a non-privileged user

I am trying to set up a Thin Ruby application server on my Ubuntu VPS. I have created a specific account, installed rbenv under it along with all gems. I am looking for a convenient way to obtain the ...
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1answer
689 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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1answer
131 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 ...
3
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1answer
263 views

Awesome & youtube

I run Awesome WM on Ubuntu. Recently when I try to watch youtube videos in full screen they have been playing in a small letter box - They have not 'full screened'. In the other hand, Vimeo & ...
3
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2answers
551 views

GNU Radio prerequisite libraries on armhf

After several attempts, I have managed to compile GNURadio on the Raspberry Pi. However, I am just not able to meet the prerequisites for the gnuradio build script on the Pandaboard (Linaro 12.04) or ...
3
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2answers
604 views

Package installation and dependancies - how to prevent installation of existing libraries?

I'm a relatively new Ubuntu server user, so I'm learning as I go. I have an issue with a software package I'm installing (QGIS) which has several dependancies one of them being gdal library. ...
3
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1answer
348 views

Moving from Ubuntu 32bit: Mint 64bit or Mint 32bit?

I have decided to try out Linux Mint instead of the horrible Ubuntu Unity experince. I have a separate partition for my /home folder, which I'd like to preserve of course. So I'm curious: is it ...
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4answers
966 views

Stripped down Kernel for a Laptop

I am a Linux noob, but I am willing to learn. My immediate objective is to compile a small kernel for my laptop without sacrificing usability. I am familiar with the kernel compilation steps (don't ...
3
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1answer
125 views

Link a dependency in Synaptic to the one already installed from source

I want to install SVN version of Quantum GIS and already I have a SVN version of GRASS GIS. As instructed in QGIS Wiki here, I added the qgis repository to my sources.list file. Now I am able to see ...
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4answers
429 views

Send file to opened editor using command line

Recently I found out a new very useful command. It is: gnome-open or xdg-open or just open on mac. It opens file or directory in by default specified program. But, in the event ...
3
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1answer
355 views

How to recover a missing file

I am running ubuntu and last week the system didn't let me alter files as if I had no write permissions. Then on reboot the system did a check of the system which took some time. Then everything went ...
3
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1answer
566 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 ...
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2answers
2k views

How come I installed Ubuntu 64 bit on a Pentium 4 machine?

I have just tried booting the Ubuntu 10.10 64 bit live USB on this machine and to my amazement everything works fine. I even installed the system, after which I checked with uname -a and the result is ...
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2answers
221 views

How to fix boot into initramfs prompt and “mount: can't read '/etc/fstab': No such file or directory” and “No init found”?

Installing a new system using a GPT partitioned disk dedicated to a single partition, ext4 formatted, extlinux (version 4.05) as bootloader, Ubuntu Core version 13.10 amd64 as rootfs, and Ubuntu ...
2
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1answer
72 views

Difficulty with EncFS on CentOS

I'm trying to figure out encfs, but am having some difficulty. This is what I have done so far: I created 2 test folders mkdir /home/oshiro/Desktop/encrypted mkdir /home/oshiro/Desktop/decrypted ...
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2answers
3k views

How to recover files I deleted now by running rm *? [duplicate]

By mistake I ran rm * on the current directory where I created many c program files. I had been working on these since morning. Now I can't take out again the time that I spent since morning on ...
2
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2answers
394 views

Find out screen id

I want to start a program with SSH using PHP, which works fine, but now I want to kill the screen with PHP, but the only thing I know is the name of the screen. How do I find out the screen ID ...
2
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1answer
1k views

Ubuntu server cannot access the Internet: appears DNS related

This is a Drupal website running Ubuntu 12.04 LTS on Linode. The server is just a website. It is not a DNS server or anything else. Here are my issues. It seems they are all related to DNS issues. ...
2
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1answer
577 views

iptables rules too restrictive; Drupal webserver cannot access repositories, ntp or even websites

This is a Drupal website running Ubuntu 12.04 LTS on Linode. Someone recently changed our iptables rules and a number of problems started. These include: Our Mollom spam protection is not working ...
2
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1answer
233 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 ...
2
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1answer
2k views

Can one install an armel Ubuntu package on armhf Ubuntu system?

My particular concern is about installing "coq" in Ubuntu 12.04 for Toshiba AC100 (armhf distro), which hasn't been built successfully for armhf, but is available for armel -- ...
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1answer
104 views

Unity problems & Searching for a good WM [closed]

I am a front-end developer doing primarily HTML/CSS and JavaScript. My past Unix experience was on FreeBSD. I used it for a year or so, and was quite satisfied about its stability and the lack of any ...
2
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1answer
1k views

nsswitch.conf versus host.conf

Suppose that /etc/nsswitch.conf file contains hosts: files dns and /etc/host.conf file has order bind,hosts then in which order the system would use /etc/hosts and DNS look-up to resolve a host ...
2
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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 ...
2
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3answers
521 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 ...
2
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2answers
1k views

OpenSSH, chroot user: Root needs to own the user directory, is there any consequence?

I want to create an account for my friend on my computer, but I don't want my friend to be able to view all my files. I saw that with OpenSSH, there is an option for that. Inside the SSHD ...