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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2answers
838 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 ...
1
vote
0answers
4 views

Ubuntu-14.04.2-desktop-amd64 doesn't go past installation type [migrated]

I downloaded Ubuntu-14.04.2-desktop-amd64. I checked md5sum and it's correct. I tried creating the bootable USB flash with pendrivelinux or unetbootin windows. Check disk for defects gives me no ...
2
votes
3answers
2k views

“Could not connect to display” in one user account

I have a GUI application written in Qt and I wanted to run tests by ssh (or Jenkins). There is only one user account, which allows to run it in display mode (ofc when I previously do "export ...
0
votes
2answers
59 views

Nginx - access from a public ip address - ubuntu 14.04

An nginx server is up and running locally on my system[ubuntu 14.04]. But i am having difficulty accessing the same server from my public ip address, or from any other system using my public ip ...
0
votes
1answer
37 views

How to access a website hosted on Ubuntu virtual machine on Azure?

I'm using Ubuntu 14.10 virtual machine located on Azure and I'm accessing it via Putty client. I've installed required software like Nginx and Mono, and I'm trying to host ASP.NET 5 webapp on Ubuntu. ...
1
vote
1answer
50 views

Backup and Restore list of installed packages and APT sources

I commonly reinstall Ubuntu and back up my APT stuff [sources, keys and installed package lists] using the tutorial at http://askubuntu.com/a/99151/371765. However I commonly also remove software such ...
1
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2answers
54 views

Relations between Linux distributions releases and updates [closed]

I can't explain the relations between updates for every release and the release itself. Let's make an example. Ubuntu has 14.04 LTS and 14.10. Both of them are still supported, so what is the ...
-1
votes
1answer
46 views

cron/ bash is not working via scripting, scoping issue?

I'm trying to schedule a task to run ever minute using cron: * * * * * /home/yzm/simple.sh >> /var/log/cron.log and this returns: bash: yzm: command not found cd-ing out of that folder: cd ...
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votes
1answer
1k views

Enable wifi monitor mode on Samsung Chromebook

I want to buy the Samsung Chromebook and use it with Ubuntu (12.10). I also want to play around with airmon-ng and thus want to use the wifi card in monitor mode. I didn't find any information if ...
5
votes
2answers
6k views

How to adjust charging thresholds of laptop battery?

My laptop is Lenovo T400, and OS is Ubuntu 12.04. I have not been able to adjust the thresholds for battery starting charging and stopping charging. I observed that its current starting charging ...
1
vote
1answer
35 views

cron and at send mail to wrong user

I have cron and sometimes at on an ubuntu 14.04. jobs output should be mail to me, but failed. I make a .forward in my home dir. mail explicitly send to local unix user is forwarded to my corp mail ...
2
votes
1answer
443 views

What ghc package does cabal-install need?

I've just installed cabal to try and get http://dmwit.com/yeganesh/, but on running cabal-install it throws the error: cabal: ghc version >=6.4 is required but it could not be found. Apt-cache ...
1
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0answers
34 views

Enlightenment E19 Screen Magnifier

I'm looking for a solution for accessibility in the Enlightenment E19 WM. I am using Bodhi Linux 3.0.0, returning from a long hiatus of Linux. Last time I used Linux in a desktop environment was ...
1
vote
2answers
167 views

How to restart my java program automatically if it gets killed?

I am running my runnable jar in linux machine (machineA) as shown below. In the runnable Jar, I have a java program which sends email to me every 15 mniutes. ...
2
votes
3answers
460 views

Hide all open windows on Ubuntu 12.04 LTS

Is it possible to have a button on the side bar to hide every open window on Ubuntu 12.04 LTS?
1
vote
1answer
59 views

How to get the http dump of a website and the header both from a single curl command?

I have to fetch a website (multiple redirections possible using -L) and save the html content in a file named as [HTTP_Status_code]_[Website_name].html Currently I am using two curl calls one for the ...
0
votes
1answer
91 views

Pendrive not being detected in Ubuntu [closed]

I am unable to see my pendrive in ubuntu. When i reun fdisk -l, i can see my pendrive is connected : Disk /dev/sdd: 16.0 GB, 16008609792 bytes 255 heads, 63 sectors/track, 1946 cylinders, total ...
2
votes
1answer
30 views

Is there a command that outputs ONLY the packages explicitly installed by the user? (ubuntu/debian)

I have tried searching for this but there seems to be no command that can output a list of packages (ideally in Ubuntu) that I have installed, not including any dependencies.
5
votes
2answers
5k views

/dev/md127 refuses to stop. No open files

So I'm trying to stop /dev/md127 on my Ubuntu 12.10 box. It was set up as RAID1, but I'm trying to move everything (well, rename) to md0. I read that renaming isn't possible, so I'm trying to remove ...
0
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0answers
31 views

Mounting nfs4 partition over ssh tunel

I am following this manual on how to mount an nfs port over an ssh tunnel: https://blogs.oracle.com/shepler/entry/tunneling_nfs_traffic_via_ssh I need this because I want to mount an nfs partition ...
0
votes
1answer
67 views

HDD Won't connect / system won't read it. Not sure what dmesg output means`

I have a hdd that I pulled from an old windows laptop, I don't think there's any information on it that I want to keep. I was going to format it to ext4 or something. Yesterday when I connected and ...
1
vote
1answer
30 views

Need help creating a Live SD card

I'm having a bit of of a nightmare. I'm trying to create a bootable SD with Arch on it after failing miserably earlier today in VirtualBox fdisk output : Disk /dev/mmcblk0: 32.0 GB, 32010928128 ...
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2answers
58 views

Cannot access internet through OpenVPN

I have set up an openvpn server, generated a certificate and downloaded it to my client machine. After importing the client.ovpn file in the network manager, I can still ssh into the server itself, ...
0
votes
1answer
878 views

org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed] while running spoon.sh in ubuntu

When I am running spoon.sh file in Ubuntu I am getting the following error: [santosh@sbx data-integration]$ ./spoon.sh /home/decathlon/Pentaho-5.0.1/data-integration org.eclipse.swt.SWTError: No more ...
0
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0answers
32 views

Compiling a loadable kernel module(Debian/Ubuntu)

This question is a follow up of this one. I am trying to compile the ELF loader as an individual LKM and use it as a standalone application(replacing the original module within the base kernel sounds ...
1
vote
1answer
180 views

Reading the contents of an ELF file (programmatically) [closed]

I am trying to retrieve the contents of an additional section within an ELF binary. At this point, I'm using the following code to retrieve the name of each section: #include <stdio.h> #include ...
1
vote
1answer
72 views

Error while installing Apache; error is “E: Sub-process /usr/bin/dpkg returned an error code (1)”

I followed an online article to remove my Apache from my system. I removed Apache through these commands sudo apt-get purge apache2 apache2-utils sudo rm -rf /etc/apache2-bin sudo apt-get autoremove ...
-1
votes
1answer
810 views

Software center not working on kali linux?

I followed the instructions for installing kali linux and put these commands into the terminal: apt-get update apt-get install software-center I also added: deb http://http.kali.org/ /kali main ...
1
vote
0answers
21 views

aufs fs is being mounted before component parts

I'm having issues at boot time. It fails to mount the aufs (and so suspends the boot asking if I want to continue... no good on a server) I thought I had set up my fstab to mount the aufs AFTER the ...
4
votes
1answer
589 views

userns container fails to start, how to track down the reason?

When creating a userns (unprivileged) LXC container on Ubuntu 14.04 with the following command line: lxc-create -n test1 -t download -- -d $(lsb_release -si|tr 'A-Z' 'a-z') -r $(lsb_release -sc) -a ...
2
votes
0answers
68 views

Restrict the maximum number of independent IP connection on specific port at the same time

I set up a server as a socks5 proxy. I'd like restrict the maximum number(1 or 5 or 20) independent IP connection on specific port at the same time. I have searched on google, only see some articles ...
0
votes
1answer
51 views

Understanding network problem (syslog)

I am running a lubuntu 14.04 server and its always worked well, except for the last couple of days it keeps dropping off the LAN. I am using a couple of powerlink adapters to connect it up as WiFi was ...
0
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0answers
45 views

Not able to boot into ubuntu or windows

prerequisites you will need to know regarding my problem earlier I had Ubuntu 13 version, due to some unknown reason, when I restarted my computer to enter into windows it went directly to grub ...
3
votes
7answers
18k views

Black screen at boot with Mint and Ubuntu live CDs

I just bought an HP pavillion g6 laptop, with the hope of installing Linux on it. I have now tried both Linux Mint (my first choice) and Ubuntu, and both simply give me a black screen from the moment ...
1
vote
0answers
173 views

Installing MongoDB in Ubuntu LXC Container. Fails with 'invoke-rc.d: initscript mongod, action “start” failed.'

I can't manage to install mongodb in a Ubuntu LXC container. I've set-up the Ubuntu 14.10 host by following these instructions: https://linuxcontainers.org/lxc/getting-started/ lxc-create --version ...
0
votes
4answers
58 views

RAID 1 on server - need file from mirrored drive

About 3yrs back I had setup an Ubuntu server for a medical clinic. I had set in 2 HDD's for the purpose of having RAID 1 (software RAID) Today suddenly they can't access a table on one of the mySQL ...
0
votes
0answers
33 views

Error while setting up environment for running swift

I am getting the following error when running the script remakerings # remakerings Traceback (most recent call last): File "/usr/local/bin/swift-ring-builder", line 5, in <module> ...
0
votes
1answer
33 views

Config iptables ssh over VPN

How can I define a rule that only allows ssh via VPN in iptables? My iptable Rule is following: #!/bin/sh IPT="/sbin/iptables" $IPT --flush $IPT --delete-chain $IPT -P INPUT DROP $IPT -P FORWARD DROP ...
2
votes
2answers
40 views

Terminal Line not properly wrapping [duplicate]

I am having a weird issue with my terminal wrapping, and after reading online I have found out it is likely because of my PS1 setup, however, I looked at it, and it seems to match what people are ...
0
votes
0answers
442 views

Black screen after logged in. Xubuntu 12.10

Hi I'm a total noob in Linux/ubuntu. I had Xubuntu 12.10 running for a month or so without major problems. A few days ago after downgrad firefox from 29 to 28 by removing and reinstalling and ...
3
votes
1answer
653 views

Ubuntu: How can I disable boot and logout screen

I want to be able to see all stuff from the boot process, just like in Debian. I instaled startupmanager but It only change boot screen to more ugly. I search google and find that you must remove ...
1
vote
2answers
732 views

Adjusting Screen Size on Ubuntu Virtualbox

When running Ubuntu as a Vitualbox guest, with a Windows 7 64-bit machine as host, how can I maximize the screen so it fills up the whole monitor?
3
votes
1answer
84 views

I installed Ubuntu instead of Windows. Where are my files from D drive?

I'm quite new in Linux. I have had a Windows and two drives: C and D. Windows was on C. Then I installed Ubuntu instead of Windows, and I expected my files on D will stay. But I can't find it. As far ...
0
votes
1answer
78 views

Realtek rtl8192cu-fixes issue elementary os

I asked this question here[http://askubuntu.com/questions/594760/realtek-rtl8192cu-fixes-issue-elementary-os] but was redirect to this site. Copy of original questions Has anyone had any luck with ...
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0answers
20 views

Ubuntu server install hangs at “retrieving grub-mount-udeb”

I am trying to install Ubuntu server on an HP Pavilion Media Center m8300f that I got from a friend, and it keeps hanging at retrieving grub-mount-udeb. I previously had Xubuntu on it, but now I just ...
0
votes
2answers
51 views

Learning resources for people interested in learning Linux [closed]

I am a B.Tech student and I would like to study Linux but don't know what I should study nor how to. The current priority of my college degree is C/C++, Java and .Net. They don't provide me with any ...
2
votes
2answers
45k views

Recovering from 'grub rescue>' crash [closed]

Originally posted to AskUbuntu.com ... AskUbuntu has adopted a policy of closing questions about EOL (End Of Life) versions. There's a vocal contingent to remove them as well. To prevent ...
0
votes
1answer
86 views

PCI card reader stopped working after upgrading to Ubuntu 14.10

Here's my configuration: sudo lspci 00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor DRAM Controller (rev 06) 00:02.0 VGA compatible controller: Intel Corporation 4th Gen ...
5
votes
3answers
927 views

Why does Debian bug-squashing take this much time compared to that of Ubuntu?

Reportedly, Debian devs need to squash 54 bugs more. These are termed as 'release critical bugs'. My question is, if this bug-squashing takes this much time, then how come Ubuntu releases each version ...
2
votes
0answers
48 views

Wifi not working on compaq 6715b running ubuntu 14.04

I'm trying to get WIFI running on an old compaq 6715b laptop. It does not show up in iwconfig, so I assume that I need to install drivers. I've tried using ndiswrapper, and tried "sudo apt-get install ...