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.

learn more… | top users | synonyms (1)

0
votes
2answers
97 views

UFW is blocking DNS

I am configuring the security in my server. For easier the manage at the firewall, I installed the UFW. I did some settings in the UFW and I allowed some ports. Therefor when I enabled it the DNS ...
-1
votes
0answers
30 views

Duplicate MAC address in Ubuntu 14.04 [closed]

I moved to a new PG and I connected to Wi-fi. My Ubuntu gets connected to wi-fi, but I'm unable to access internet. I heard that it was a common bug in Ubuntu 14.04. So I went on exploring and came ...
-4
votes
1answer
453 views

ubuntu upgrade problem [closed]

I have tried to upgrade my Ubuntu 13.04 to 14.04 using the dashboard but it was not working. I then tried running sudo apt-get update but it's giving me these errors: Err ...
3
votes
2answers
445 views

Use /etc/aliases for outgoing mail relayed by postfix with local domain

I'm using Ubuntu 12.04 with postfix configured as satellite system that relays outgoing mail to Gmail. For sake of example, my registered domain is example.com I want root cronjobs' error output to be ...
-1
votes
0answers
11 views

I am working pxe-boot on kvm for ubuntu [closed]

I am working pxe-boot in kvm on ubuntu 13.04. The bxe-boot server started but bxe client got the some error I am uploded my error for scerensort photos
3
votes
1answer
448 views

Wifi broadcom 4313 with proprietary driver (Ubuntu) randomly stops connecting to wireless networks

I have a laptop with Broadcom 4313 wireless module, using Ubuntu 13.10 and Windows 7 as OS When reconnecting to network or when waking laptop from suspend/rebooting it sometimes cannot connect to any ...
10
votes
3answers
1k views

How do I log into my Linux laptop if I have forgotten both the login and password?

How do I log into my Linux laptop if I have forgotten both the username and password?
-2
votes
1answer
25 views

Writing a Script to Kill a Process for a User? [closed]

List the running processes for that user. Confirm with the system administrator before killing the processes. Kill the processes after confirmation.
0
votes
1answer
13 views

When selecting from the Menu not able to Perform task?

Is there a way to automatically create users, delete users, create groups and delete groups once I selected a task? Also Why im not able to perform any of those task once I select the task I want to ...
0
votes
2answers
20 views

vnstat not updating

I installed vnstat on my Ubuntu 14.04 server to track my internet usage (I have a limited monthly transfer). The database never updates, however. I've tried uninstalling/reinstalling, but that doesn't ...
0
votes
1answer
37 views

Ubuntu 14.04 desktop error: Inconsistency detected by ld.so: dl-version.c: 224

I am using ubuntu 14.04. I got an error: "Inconsistency detected by ld.so: dl-version.c: 224: _dl_check_map_versions: Assertion `needed != ((void *)0)' failed!" while installing a software. What is ...
1
vote
2answers
34 views

Remove All NVIDIA Files

Background: I bought an NVIDIA graphics card and tried to install its driver. Somewhere along the way I messed up and now I'm running my computer on Cinnamon backup mode (I have Ubuntu but I removed ...
1
vote
1answer
45 views

How do I compile source into the kernel?

I want to add and compile my custom application code into my kernel. How should I add my .c and .o files into my kernel 'bin' directory and compile them? I made a hello.c and hello.o file and I want ...
1
vote
2answers
1k views

Ubuntu Server: Already have LAMP installed, how do i install and set up Django?

Alright, so i've been struggling with installing and configuring Django for months now. I have reinstalled Ubuntu Server countless times because of my fails. I keep messing up some way every time. ...
1
vote
0answers
8 views

ajaxterm using proportional font

I have Ubuntu 14.04 LTS, Apache 2.4.7, Python 2.7.6 and Ajaxterm 0.10-12ubuntu1. Ajaxterm is proxied via Apache. Here's the apache.conf excerpt: # Suppresses the Via header ProxyVia Off # Do not ...
9
votes
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
458 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
669 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
53 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
383 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
1answer
35 views

Ubuntu 12. 04 Firewall for Browsing [closed]

I am worried about the disabled firewall in Ubuntu Desktop and would like to enable ufw. Is it possible to configure it just for browsing using firefox, e-mailing using thunderbird and updating the ...
0
votes
2answers
771 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
31 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
756 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
312 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
38 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
994 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
7k 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
25 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
25 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
votes
0answers
52 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
37 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
38 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
votes
0answers
42 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
768 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 ...
6
votes
3answers
520 views

Detection of USB Modem is unstable - how can I correct this?

I am using Huawei 3G USB Modem in Ubuntu 12.04 LTS on DELL Inspiron NS5520. I tried every possible solution but had no luck. Whenever my USB Modem disconnects, I can not re-connect it and then I have ...
0
votes
2answers
24 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
votes
0answers
16 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
25 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
993 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
269 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
votes
0answers
22 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
22 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
votes
0answers
51 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 ...