Ubuntu is a free open source operating system based on the Debian GNU/Linux distribution. Consider using http://askubuntu.com/ to ask questions about it.

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Difference between connecting to 127.0.0.1 and server ip

I am brand new to php, databases, and linux and had a problem where I could not connect to mysql databse with the php mysql_connection function. When I used the ip address of my VM I kepy getting a ...
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0answers
7 views

GParted Copy Filesystem really slow

I recently got a new HDD and I am attempting to clone a Windows partition from my old one with GParted (running off live usb). What's bothering me is that GParted has been stuck on copying filesystem ...
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12 views

Broken sudo commands

How to repair sudo to use standard commands? I cannot use any command with sudo.
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0answers
8 views

prevent make full re-run between two projects

I am working on Linux Mint 16 and I have working with two copies of a git project in two different directories. Every time I run make in one of the project it and I switch to other project, it will ...
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1answer
16 views

install in /usr/local/ using apt-get

Is there way to specifically install in path /usr/local using apt-get ? I am using Linux Mint 16 and I want to install some libraries in this path. All of my installed libraries are installed in /usr/ ...
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1answer
14 views

Can't get Ubuntu boot from Windows 7 boot loader

I have a HP Envy Laptop which was shipped with Win 8. Since I am not very comfortable with Win 8, I wanted to install the Win 7 + Ubuntu 14 combination with dual boot option. I have successfully ...
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1answer
27 views

Windows 7 Hiberate Returns to Ubuntu

I recently dual booted my laptop with Ubuntu and Windows 7. Whenever I close the top of my laptop while in Windows it goes to hibernate, however it returns back to the Ubuntu log in screen. Grub ...
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2answers
27 views

Find & replace on a folder of .txt (but only first 1-3 lines)

I have a folder of .txt files. They all look like this: Title: Title of blog post. Tags: tag1,tag2,tag3 Text on the post. Just my thoughts. > A blockqoute Written in *markdown.* Using ...
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1answer
29 views

Installing Ruby with RVM in Ubuntu 14.04

I installed RVM using the following command \curl -L https://get.rvm.io | bash -s stable Then I restarted the terminal and executed this commands source ~/.rvm/scripts/rvm rvm requirements rvm ...
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1answer
23 views

ubuntu/kde - defining labels for partitions

I've got kubuntu 12.04 LTS. I use dolphin file manager a lot. On the left I've got Places panel, which you can see below: The question is - how can I configure my system to display my custom labels ...
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8 views

Ubuntu Installation on Pentium 4 , 512 MB (DDR2). Which desktop version is best suit for this? [duplicate]

I have old machine and I want to learn some system level stuff. My configuration is : Pentium 4 1.8ghz. 512 MB DDR2 RAM 40 GB HardDisk Which ubuntu edition is best suitable for this ? I am ...
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1answer
32 views

Where I can find the Java Control Panel in Ubuntu?

It is very easy to locate it in Windows, but I can not find where I can access the Java's Control Panel in Ubuntu 14. Security level settings in the Java Control Panel I need to add one site ...
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15 views

Unity closes on Ubuntu Logout, but does not complete logout. (Crouton on Chromebook)

I've got a Chromebook 14 "dual-booting" Ubuntu 14.04 using Crouton with the stock Chrome OS. I've had it like this for a while with everything operating fine. As you know, Linux Distros are kind of ...
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0answers
31 views

Is 3200x1800 resolution possible in Hyper-V?

I've got a Lenovo Yoga 2 Pro (Windows 8.1), which has a screen resolution of 3200x1800. I'm trying to run Ubuntu 14.04 in Hyper-V at full screen on it. I've tried the steps listed here, but I can only ...
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2answers
48 views

How to encrypt a file on a Windows 7 machine and decrypt on Ubuntu

I need to encrypt a file on a Windows 7 machine, and then decrypt it on an Ubuntu machine. What is the simplest way of doing this, preferably with tools that are likely to already be installed on the ...
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0answers
19 views

Multiple Displays with Multiple Resolutions causing sticky edges at part of the monitor in Ubuntu with Unity

My left monitor is a laptop monitor, at 1366 by 768. My right monitor is a good monitor, at 1920 by 1080. When trying to go from the big one to the small one at the bottom edge my cursor sticks ...
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0answers
11 views

Vsftpd upload file with www-data permission

how can i get correct permissions drwxrwxr-x on file that are uploaded with Ftpuser1 in /var/www? Actually if i create file with Ftpuser1 i got this : -rw-r--r-- 1 Ftpuser1 www-data 0 Jul 11 ...
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1answer
20 views

dhclient can't get ip address

I have two interfaces: eth0 and eth1. eth0 gets ip address upon bootup, but eth1 never gets ip address. Here's what I get with sudo dhclient eth1 Internet Systems Consortium DHCP Client 4.2.4 ...
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0answers
11 views

How to protect ownership of file with nfs

I have mounted an nfs partition from remote server with ip 10.20.1.10. On my computer, when I go to mounted directory, I have seen that nobody is the user and nogroup is the group, which own all the ...
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0answers
9 views

Could not create the Java Virtual Machine on Ubuntu VPS with all the ram allocated to it

I'm trying to run a file on a vps with 384mb of ram, If I run the file with this command on terminal java -jar server.jar It just starts the process but with only 180mb approx allocated to it, I ...
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1answer
25 views

Windows 8.1- Hyper-V won't network with Ubuntu 14.04 VM

Well, I'm officially out of patience for this sort of thing, and it's 12:23 AM. I'm trying to run Ubuntu 14.04 with Hyper-V on a Lenovo Yoga 2 Pro running Windows 8.1. I cannot get the virtual ...
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1answer
27 views

Strange hard shutdown in Windows 7 x64 with nForce 570 Ultra + Radeon

i have a strange problem with Windows 7 x64 making a hard shutdown after some minutes of playing games (or any videocard intensive program). My machine is: AMD Athlon X2 5400+ - 2,8Ghz 3,5 GB of ...
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0answers
25 views

sed, insert file before last line

The following inserting file method for sed used to be working, even before last line, but not any more. Is it a bug in the current sed? Demo of inserting file method with sed: mkdir /tmp/test ...
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0answers
5 views

Error while trying to create an album in MySQL in Trovebox

When trying to create a new album in TroveBox I just get an simple error message in the ui notifying me that it failed. No information is in logs from Apache and MySQL. The current user can write in ...
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1answer
24 views

Trouble installing Burrows-Wheeler Aligner (Linux)

Please bear with me, I'm just getting into using both virtual machines and linux. I'm having trouble installing BWA (link) on my linux virtual machine. I've tried several methods, the most complete ...
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0answers
12 views

dhclient not working for

I tried to get a IP address for eth0 via dhclient, but it hangs forever. Please help me find out what's wrong. I am running it inside a virutalbox guest machine. There're two interfaces, eth0 and ...
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2answers
34 views

Deleting the Ubuntu Swap Partition

I installed Ubuntu 14.04 LTS alongside Windows Xp Xp on C: drive, Ubuntu on D: drive, and E: linux swap E: drive disappeared from XP "My Computer" but it appears in disk management saying unknown ...
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1answer
31 views

Can I restore a Unix server by copypasting system directories from a backup?

I messed up a Ubuntu server with lots of installed binaries, settings, etc. I'm going to have to reinstall Ubuntu, but I have a complete backup, hidden files and all, though not bootable. I'm hoping ...
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1answer
29 views

Grub Rescue in Windows8 -Ubuntu Dual Boot

I deleted 2 partitions on my hard disk and now I am unable to boot my pc. I searched and found that it is possible to boot without a CD, but the method is not working for me because I can't find the ...
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2answers
21 views

Dual booting Ubuntu and windows

How much memory is required to dual boot the latest version of Ubuntu and windows (XP, although I'll upgrade to 7 soon)? The Ubuntu installation process says I'll need 6 GB, but is this just for the ...
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0answers
23 views

Why Ii obtain this error when I try to compile and install a software on Ubuntu 14.04?

I am not yet a Linux guy and I am going crazy trying to install a software compiling it on Ubuntu 14.04. This are the only provided instruction to install it: Debian First, make sure that ...
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0answers
12 views

Vmware Player (guest os ubuntu 12.04) on windows 8 not booting [on hold]

I have guest os ubuntu 12.04 64 bit on my vmware player. It was working fine until i installed some ubuntu updates (which required a restart) , after restart it does not boot and gets stuck when it is ...
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0answers
21 views

Install Windows 8.1, Ubuntu with dual boot, + SSD caching system for both of them

So i have a 500GB Hard drive, and a 32GB SSD drive. (Dell Inspiron 14Z-5423) When i first received my computer, it was fast on booting (14sec), and then i tried to install Ubuntu and i messed up, and ...
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3answers
22 views

Access User Desktop Files While Using Root

I'm really new ubuntu user... I'm working as root user (the software that I'm using just works if you are root user) but the files that I need to access are on my normal user desktop. I don't how to ...
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34 views

Triple-boot macbook on multiple hard drives

I own a Macbook Pro thats original HDD has been replaced with a SSHD, and the optical drive removed and replaced with a second SSHD. I have OS X installed to the drive in the optical bay, and Windows ...
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0answers
32 views

Java plugin doesn't work in Chrome in Ubuntu — how can I fix this?

I have Ubuntu 14.04 LTS (64 Bit) and Chrome Version 35.0.1916.153. I downloaded jre-7u60-linux-x64.tar.gz and extracted it in /usr/lib/java/ Then I created a directory named 'plugins' in ...
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0answers
11 views

Virtualbox VM folder and files permissions

I've copied VirtualBox VM folder from windows to linux server. (win machine died, so I restored backup). Now I want to place VM somewhere in /var/vbox/... and run VBoxHeadless on system startup. What ...
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0answers
16 views

Trovebox (OpenPhoto) issues after fresh install

After a fresh install of OpenPhoto on my Ubuntu 14.04 (x64) VPS I encountered the 'blank page @ step 3' error. Somehow I solved it (after several reinstalls, and fiddling with file/folder ...
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0answers
16 views

Installing Graphics driver on Kali Linux

I am running Kali on a virtual machine and i want to change the screen resolution... I have download the graphics driver(HP ProBook 450) from the HP website and extracted the tar file. but now I am ...
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0answers
24 views

Is this not a security issue to be connected to the internet during the installation of ubuntu?

Is it not a security flaw if you use internet connection while installing ubuntu?
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1answer
42 views

Best solution for linux file sharing with FTP, Samba & Web interface [closed]

I am looking for a file sharing solution for our network, these are the features I need: Samba access with login FTP access with login Web interface to be able to browse, download and upload files. ...
24
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8answers
3k views

Swap partition size on a 64 GB RAM computer for memory-intensive work

I have 64 GB RAM and 240 GB SSD on my computer, which I'm going to use for memory-intensive calculations (machine learning, data mining, etc.). Most of the advice I found on the Internet are ...
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1answer
22 views

Using internet for ubuntu installation

There is an option to connect to the internet while installing ubuntu. is it not dangerous to use public wifi for that purpose? Is it secure to do so?
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0answers
24 views

Synchronizing two Git servers between companies

There are two companies. Each one has a Git server running. If company A checks in some code this should be updated on company B server and the other way around. The two servers should keep ...
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2answers
32 views

Trovebox (OpenPhoto) setup hangs/fails at final step 3

I've been following the install instructions found here about how to install and configure Trovebox on a Ubuntu server running Apache: Ubuntu 14.04 LTS Apache: 2.4.7 MySQL: 5.5.37 PHP: 5.5.9 ...
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0answers
10 views

open nebula virtual machine doesn't connect to outside internet

I'm working on open nebula I am trying to build a small cluster with two nodes but my virtual machines doesn't connect to outside internet. I am on a i7 16GB machine running ubuntu 14.04 that will ...
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0answers
16 views

Wifi not working Ubuntu

This problem was never there before. My wifi used to work fine. Suddenly, one day when I login, my mouse just disappears on login and my wifi has stopped working. Everything else was functioning fine ...
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1answer
26 views

grub having problems with Windows7 booting

I installed Windows 7 and Ubuntu on my laptop. It was working properly until yesterday. I went to do some work after I switched on my laptop and selected Windows, but when I came back my laptop's ...
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0answers
22 views

Hard drive no longer works in Windows works fine in Linux

I have a Western Digital WD1002FAEX 1TB hard drive which was installed in an external drive enclosure. The enclosure held two hard drives. The other is another WD 500GB. The 1TB drive was used as ...
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2answers
50 views

“no space left on device”, yet df shows plent of space and inodes

I've got two hard drives attached to this Ubuntu Server 14.04 system - one 1TB HDD, and one 2TB HDD. They are mounted in /mnt/1TB and /mnt/2TB. I would like to copy the contents of the 1TB drive to ...