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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1answer
10k views

How can I start the python SimpleHTTPServer on port 80?

I am using this command on Ubuntu but it is starting on port 8080 and I don't have another server running so I'd like it to start on port 80. I saw ways that you could set up a bash script to do ...
0
votes
2answers
465 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 ...
4
votes
3answers
701 views

How do I share an internet connection through USB?

I have two Linux boxes. One is running KNOPPIX and the other Ubuntu. I have only one wifi dongle between them, and only one of them has an Ethernet port. They both have free USB ports however. I ...
1
vote
1answer
73 views

Cross compile a raspberry pi kernel

I've been trying for the past few hours to cross compile a rpi kernel on my Arch Linux distro and then my Ubuntu distro when that failed, I received similar errors for both attempts. I'm currently ...
2
votes
0answers
1k views

Touchpad not recognized on linux (ASUS R751LB)

I have just bought a brand new laptop. Unfortunately, touchpad doesn't work on any linux distribution (tried mint Ubuntu 12.04, Ubuntu 14.04, Mint 14, Mint 16, also Mint 16 with recent 3.13.5 kernel). ...
2
votes
1answer
389 views

Weird issue with unmet dependencies when cloning package states from earlier installation on same machine

I've been doing the usual routine of saving the package selections and also marking the packages as auto or manual as outlined in the question and answer here: Restoring all data from backup of dpkg ...
0
votes
2answers
778 views

Linux Ubuntu / Mint Live CD user-home customization

I'm trying to customize Linux Mint Live CD with these instruction (uck doesn't work for me). What I want is to have more icons at its Live CD user (/home/mint/Desktop) but I can't find /home/mint on ...
2
votes
1answer
38 views

Unable to install handbrake on Ubuntu 13.10 via PPA

I'm trying to install handbrake on my system Ubuntu 13.10 via PPA but not able to do so. I followed this website. I ran the below commands: $ sudo add-apt-repository ppa:stebbins/handbrake-releases ...
1
vote
2answers
875 views

How to Install Oracle Java7 in Ubuntu13.04

I am trying to install Java 7 in Ubuntu 13.04 using this tutorial. Preparing your system First you need to remove openjdk for this run the following command from your terminal sudo apt-get ...
0
votes
3answers
315 views

Directory appears as file?

So we copied some photos in a directory across to a NTFS partition last night, and they were viewable from ubuntu. Today the directory is not accessible from Windows, and when we booted back into ...
2
votes
1answer
40 views

Traffic segmentation for a particular subnet

Two questions is it possible to segment traffic for a particular subnet to use an interface and at the same time receive traffic from a different subnet via the same interface? This is the scenario. ...
4
votes
3answers
995 views

Mathematica makes no sound under Ubuntu 11.04

After waiting for days for my license I now got the opportunity to install Wolfram Mathematica 8 at home. However, neither the Play nor the Speak functions are doing anything as it seems that ...
0
votes
2answers
8k views

sendmail error dsn=5.0.0, stat=Service unavailable

i have configured an sendmail configuration in ubuntu 12.04 64 bit machine when i'm send th email through a perl script it gives the below error dsn=5.0.0, stat=Service unavailable and mail is not ...
4
votes
1answer
27 views

Unable to synchronize the clocks on a dual boot system

A have a dual boot system: Ubuntu and Arch. Ubuntu was installed first. A while after installing Arch, I've set up its clock because it was 8 behind my current time zone (my time zone is gmt +8). I ...
1
vote
0answers
32 views

Multiple Windows 7 installations from Grub

I have the following disk configuration: Disk /dev/sda: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders, total 1465149168 sectors Units = sectors of 1 * 512 = 512 bytes ...
2
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0answers
58 views

Reading from /etc/environment with sudo

Using Ubuntu 14.04 LTS, I'm having a problem trying to read environment variables from /etc/environment when using sudo env. Basically, they are not being displayed. When I do just env, these ...
3
votes
1answer
39 views

locate java source code in jdk7

I have installed Jdk7 in Ubuntu 14.04 and it is successfully configured and I can use java libraries in code. The problem is that I am trying to locate java source code, but not able to find the jar ...
0
votes
2answers
2k 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 ...
2
votes
1answer
49 views

Installing Ubuntu/Debian on 16 GB SD Card

Is it possible to install Ubuntu/Debian on my 16 GB SD Card ? Do I just during installation process chose my SD Card partition and install it (that doesn't work if we have USB) or do I need to install ...
0
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0answers
51 views

no internet connection (wireless or wired) on ubuntu 12.04

I have win7 and ubuntu 12.04 on dell inspiron 1545 with Dell Wireless 1397 WLAN MiniCard. wireless works fine on windows, but I cannot connect with ubuntu. when I tried connect with a cable - it said ...
3
votes
2answers
772 views

Can't get lm-sensors to ouput correctly or load ATI Radeon temp and fan

I am new to Linux and having minor issues. I followed this guide initially, but did not receive the proper output, and it did not show my ATI Radeon HD 5000 temperature or fan speed. Then I used this ...
0
votes
2answers
25 views

I am using service restart command the system will hunging,please help me?

I am using ubuntu 13.04 version in my labtop on the I give the restart command(service networking restart) the system will hunged can please help me.
0
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0answers
18 views

Bridge-utils installed on ubuntu 13.04 but unable to start the service

I upgraded my laptop Ubuntu 12.04 to 13.04. Before upgraded to Ubuntu 13.04, I installed qemu-kvm, bridge-utils, libvirt-bin & ubuntu-vm-builder. There its worked properly, After upgraded to ...
3
votes
2answers
5k views

eth0 not being configured automatically

When I start an ubuntu 12.10 instance, eth0 is NOT getting configured. davidparks21@MySqlDB:~$ cat /run/network/ifstate lo=lo When I manually edit ifstate and add eth0=eth0 and service restart ...
2
votes
1answer
26 views

Lubuntu IP conflict [closed]

I have this friend who recently installed Lubuntu on his Asus Netbook to try it out. Problem is that even though he can find all network connections and after trying to connect to two of them (giving ...
1
vote
4answers
1k views

Missing Fedora in grub after installing Ubuntu

I had Fedora 17 in a primary partition. Yesterday I installed Ubuntu in an extended partition, and I can't see Fedora in grub, so I tried update-grub2 but it doesn't recognise Fedora being present, ...
0
votes
1answer
270 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 ...
0
votes
1answer
24 views

Unable to connect to git.denx.de

I am trying to download U-boot for beaglebone black using Ubuntu 12.04, for this I am using this command git clone git://git.denx.de/u-boot.git Now, after typing this command in terminal, for about ...
2
votes
1answer
3k views

ubuntu usb sound card sometimes recognized and sometimes not at boot

I have a linux ubuntu 12.04 server machine which works with an usb sound card. When rebooting the machine, sometimes the usb sound card is recognized and sometimes not, I cannot figure out a reason ...
2
votes
2answers
22 views

Writing content from a file to another file on set time intervals using delimiters

I'm trying to write a script in bash that reads a file file1 and writes to another file file2 every 2 seconds, which is easy enough. However, I want to write to file2 on either a line by line basis ...
0
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0answers
24 views

Moved Raid from NAS box to PC running Ubuntu hdparm shows drives frozen

So I had a RAID5 setup in a Partriot S4 Javelin (a NAS box). I'm now migrating it to a proper server running Ubuntu 14.04. NOTE: There are 4 drives. All the drives show up in Ubuntu. Two show ...
1
vote
1answer
24 views

Serial communication not working in both directions

I am working with a SOM mounted on a carrier board running Ubuntu 14.04 with the generic 3.13 kernel. While testing out the peripherals, I hit a problem with serial communication. Basically, I can ...
3
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0answers
67 views

Having some trouble authenticating via proxy in order to use apt-get successfully on a corporate network

Context Our server is on a corporate network, which requires corporate proxy authentication (e.g. enter corporate username and password). This is not an issue on the Windows machines on that network ...
2
votes
2answers
830 views

Configure multiple interfaces with different hostnames using DHCP and DNS

I have a machine running Ubuntu 12.04 Server with two interfaces connected (eth0, eth1) to the network. Our network is set up so that a FreeBSD based DHCP server hands out leases and registers the ...
1
vote
1answer
18 views

Interface Priority in the Face of VPN

I have a few interfaces: wlan0, eth0, lo, and sometimes tun0. When I connect to the Juniper VPN, creating a tun0 interface, my existing connections on other interfaces (perhaps with the exception of ...
0
votes
1answer
2k views

Linksys AE3000 install on linux

I bought a Linksys AE3000 wireless adapter hoping I could use it on my Ubuntu 12.04 box. I found a website that walked through using it, but it didn't work. I edited rtusb_dev_id.c to add: and then ...
1
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0answers
77 views

i3-wm not resizing screen resolution on login

I'm using Parallels for the Mac, but this may be relevant to other VMs too. Using Ubuntu 14.04, when I login using Unity it resizes the screen and uses all available screens (2 in my case), perfect. ...
8
votes
3answers
5k views

How can I track who SSH'es into my linux machine?

I'm running Ubuntu 10.04. Is there a way I can get a daily report of who has logged onto the box, what time, and even - this may be asking too much - a report of the commands they used? This is a ...
2
votes
2answers
973 views

Install Sublime Text 2 on Ubuntu

I installed Ubuntu Linux (via VMWare). I'm trying to install Sublime Text 2 on Ubuntu, so I entered these lines: tar xf Sublime\ Text\ 2.0.1\ x64.tar.bz2 sudo mv Sublime\ Text\ 2 /opt/ sudo ln -s ...
4
votes
1answer
607 views

Fedora 18 guest in VirtualBox 4.2: How to assign static IPv4 address to guest regardless of active ethernet interface on host

I have a Ubuntu 13.04 host running VirtualBox 4.2.12. This host has both a wired and a wireless network interface, but only one of which would usually be active at any given time. For example, at home ...
2
votes
2answers
173 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 ...
5
votes
1answer
236 views

Can I set a gnome keyboard shortcut to be a prefix key, like in emacs, tmux or screen?

I would like to setup some Gnome keyboard shortcuts to be a prefix-key, so that I can add several shortcuts with the same prefix. Eg. I'd like to be able to have Super+x be a prefix key, with the ...
3
votes
0answers
16 views

In ubuntu, I cannot send two-byte commands over a usb serial port from within a C program [migrated]

I wish to write in C or C++ a program to control a Sony camera connected over a USB serial device (Applied Logic USB to LANC [0600]) running on my Virtual Box guest OS, Ubuntu 12.04. Through putty, I ...
3
votes
1answer
46 views

Ubuntu freeze after upgrade installation interrupt

I was upgrading my Ubuntu distro and shut down the laptop in the middle of the installation process. Upon restart, I only get a black screen with these messages: Starting Hardware RNG entropy ...
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vote
0answers
35 views

Chromium does not Render webpage (arm)

I am trying to run Chromium (the browser) on a Ubuntu install within Android (ARM) and am facing a weird issue: Webpages are not rendering at all. Links etc within the page are still clickable, ...
0
votes
1answer
11 views

firefox bookmark updation

I bookmark a lot of pages everyday and I export them as well into a html file. The thing is whenever is bookmark a page can it automatically get updated or synced with the html file. I use Ubuntu ...
0
votes
3answers
277 views

How can I install a Linux distro to my DVD-RW?

I have got a DVD-RW on which I'd like to install some linux distros, but I've tried a few(Ubuntu 13.10, Crunchbang, ElementaryOS and some others, don't really remember), but they didn't work, which ...
0
votes
1answer
512 views

Which library files are needed to run a binary with an alternate libc version?

I built Firefox 26 on Mint 16 because the Ubuntu 10.04 build utilities are too old to build it. It does need to run on 10.04, however, since that's the target OS I'm building for. It built and runs ...
3
votes
1answer
443 views

BCache and disk encryption

I recently bought a new laptop with a 16Gb mSATA SSD cache drive. I haven't used that one yet. I have, however, opted for Ubuntu 13.04 with "Full Disk Encryption" for the main partition (is that ...
1
vote
3answers
4k views

GRUB-EFI installation fails while installing Kali Linux in external hard disk

I was trying to install Kali Linux from a live USB to an 1TB external hard disk. At first I was unable to boot the live USB with my H2O Insyde BIOS. Then I converted my pen drive partition table to ...