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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0
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1answer
37 views

how does ping -W work

I want to try to use ping to detect if a server goes down. So the idea was to have something ping forever, and then if ping ever timed out( -W flag) it would return and I'd be able to detect it. But ...
1
vote
1answer
2k views

Why NetBeans ( php - remote project ) change permission of files to 0600?

I'm using NetBeans for editing some php files ( in a php project ) at remote server. all go normal, but when saving the edited file using NetBeans, the file's permissions are set to 0600 by default, ...
12
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1answer
14k views

What is the difference between xterm and terminal in Ubuntu?

What's the difference between Terminal in Ubuntu desktop (Applications>Accessories>Terminal) and xterm? They look very similar.
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0answers
22 views

what does the following output mean? [on hold]

shubham@shubham:~/java_applications$ java -v The program 'java' can be found in the following packages: * default-jre * gcj-4.8-jre-headless * openjdk-7-jre-headless * gcj-4.6-jre-headless * ...
25
votes
5answers
24k views

How do I stop services from starting on boot on Ubuntu?

I have lots of servers installed (Apache, MySQL, etc.), but I don't want them all to start at boot time (they drain power, and I'm on batteries most of the time). How do I configure this?
1
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2answers
17 views

How I can create a multiplatform portable pendrive of Ubuntu?

The goal is to carry a pendrive with your personal files and Ubuntu. Just plug in a computer and boot it. Is this possible? Across Mac/Windows/Linux?
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0answers
9 views

Executing Minecraft Server Commands via SSH and Screen

I'm extremely new to linux, so please help me out if you can! I have read many of the posts about managing/monitoring servers using SSH and Screen, but have not found anything regarding my particular ...
6
votes
2answers
5k views

Share directory on Windows Hyper-V Host with Ubuntu VM

Just installed Hyper-V on Windows 8 and Guest OS Ubuntu 12.04. Coming from VirtualBox, I am looking for best method for sharing a Directory on Host/Windows with Guest Ubuntu. I read this: ...
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2answers
63 views
+100

cannot SSH into VirtualBox from host, can SSH from other machines

I have a weird situation where I can SSH into my VM from another machine on the network, but not from the host itself. Vital stats: Host: OS X Yosemite Guest: Ubuntu 14.04 VirtualBox version: 4.3.16 ...
1
vote
1answer
3k 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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0answers
17 views

How to create a VM from archived linux?

There is a full backup of a 64-bit ubuntu called fullbackup.tar.gz which needs to become a live virtual machine. Is that even possible? VirtualBox file is preferred.
3
votes
5answers
3k views

How do you make mono audio track playback in stereo in Ubuntu?

Every once in a while I'll come across a video that I want to watch (whether it be youtube or otherwise), and the sound, for whatever reason, will be only coming out one speaker. It's not a problem ...
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0answers
7 views

LIVE USB has error Grub Rescue

my issue is NOT ubuntu 14.04 LTS installed on HDD. my issue is live usb getting error on boot "no such device: ..... grub Rescue > " i know people say just format and remake whole live usb again. i ...
0
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0answers
11 views

linux installer does not detect installed windows 7

I try to install linux ubuntu on my laptop alongside windows 7 x64, that are already installed. I use bootable usb flash. When I am from live usb in Linux I can see all my windows files, but the ...
1
vote
1answer
18 views

What to do when “apt-get update” gets stuck in 100%?

I'm setupping a VirtualBox VM to do my development work with Ruby on Rails. My problem is that apt-get update is taking very long, ~30 minutes instead of seconds. I can install things with apt-get ...
0
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1answer
417 views

Install Sencha cmd 4 Ubuntu Server

I'm trying to setup sencha cmd on ubuntu server: I've fetched the archive: wget http://cdn.sencha.com/cmd/4.0.4.84/SenchaCmd-4.0.4.84-linux.run.zip however when I try to run the binary nothing ...
0
votes
1answer
14 views

Load Images and play Videos online using linux terminal

I am using ubuntu 12.10 and I am browsing website using w3m module. But this module cannot shows images and play videos. Is there any way to load images and play videos in linux terminal?
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votes
3answers
9k views

Automount sshfs using fstab without mount -a

Please consider following fstab line (line breaks for readability): sshfs#user@192.168.1.123:/home/user/ /home/user/Server/ fuse ...
-2
votes
1answer
19 views

Ubuntu - /usr/bin/p4v.bin: not found

forgive my ignorance here. I’m trying to install P4 Visual Client on my Ubuntu VM. I’ve done: cp <package>/bin/* /usr/bin cp <package>/lib/* /usr/lib chmod +x /usr/bin/p4v When I try to ...
-1
votes
1answer
15 views

Any similar alternative of YUMI in Mac OS X? [on hold]

I want to create a portable Ubuntu pendrive—without installing it—but wherever I search, I cant seem to find a alternative to YUMI. Any idea or instructions to get the same result?
4
votes
3answers
569 views

Copy Linux server software (Ubuntu)

We have a private server set up by a stranger. Now I'd like to make a server with exact same configuration and software (for localhost virtual machine - VirtualBox). Is there any simple way to ...
0
votes
4answers
5k views

Ubuntu 12.04 Server: permissions on /var/www for newly copied files

I ran the following commands to set up ACL on the /var/www folder in my Ubuntu 12.04 Server: sudo usermod -g www-data abe sudo chown -R www-data:www-data /var/www sudo chmod -R 775 /var/www I ...
0
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0answers
14 views

No value for $TERM and no -T specified

I recently upgraded (with apt-get dist-upgrade) my Kubuntu and Lubuntu linux boxes, and now every time I start one of these machines, I get this message: tput: No value for $TERM and no -T specified ...
1
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1answer
39 views

Is it possible to compress a full file system on Linux?

On Windows I can use NTFS drive compression to save heaps of disk space; usually 30%, often much more. It also improves read and write speeds at the cost of higher CPU usage; which isn’t an argument ...
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0answers
8 views

hub 3-0:1.0: couldn't allocate port 9 usb_device

I have a motherboard Asus H97-Plus, and recently, don't know why, everything has gone mad. The bios took 4 minutes to load before displaying, then I had GRUB (I could select Ubuntu 14.04), and then ...
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votes
0answers
10 views

How to reduce AWS EBS root volume size?

I’d like to reduce an Amazon Web Services (AWS) EC2 instance Elastic Block Store (EBS) root volume size. There are a couples of old high level procedures on the net, but I’m unable to find a detailed ...
0
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0answers
4 views

How can I make default Vagrant storage a fixed size?

I use Vagrant with VirtualBox provider. When I execute vagrant up in my terminal I had a Dynamically allocated storage at the end of execution. How can I change --variant option to the Fixed storage ...
1
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0answers
15 views

Can't access static IP ubuntu server

I am running an Ubuntu server 14.04 LAMP server within Hyper-V. When using DHCP, everything works. The moment I change it to a static ip by modifying the contents of /etc/network/interfaces to ...
0
votes
2answers
21 views

How to save matching words from output of dmesg in a list

I am connecting USB-Serial devices to my device using different ports and serial-USB devices sometimes show up as 'ttyUSB0', sometimes 'ttyUSB1' or 'ttyUSB2'. How can I write a script to extract all ...
6
votes
3answers
8k views

Clean up swap memory

I am using ubuntu 10.10. My RAM is 3GB and swap memory is 2GB. After using my system for several hours, all of my swap memory is used up. Is there any way so I can clean up swap memory?
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0answers
6 views

SVN Backup and Restore

I am trying to take backup and restore Remote SVN using svnrdump because we don't have an admin SVN console. I need a incremental backup so it will take less time. I am using the following command ...
0
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1answer
31 views

File move issues within share - Windows 7 client, Ubuntu 14 Server

We've got a setup where files are shared from an Ubuntu 14.04 server to Win 7 clients. We're struggling with an issue moving files around sometimes. It goes something like this: Create new ...
0
votes
1answer
18 views

MongoDB manually preparing for upstart but not running

I am on Ubuntu 14.04.1 LTS. $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty Instead of using the system ...
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vote
3answers
2k views

What's wrong with this virtualbox machine

I've downloaded virtualbox, created a machine and installed a ubuntu image on it. Everything goes fine, until it's time to reboot the machine at the end of installation. It reboots into a blank ...
-1
votes
0answers
13 views

How to increase space for ubuntu

I have installed Ubuntu in my laptop along with Windows 7. Initially I alloted only 20Gb and installed it. Now I need to add 30GBB more to it. How can I do that? I am new to Ubuntu. ...
0
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0answers
16 views

Video playback from remote filesystem lag on Ubuntu

I have laptop running Ubuntu 14.10 and used for watching movies from my server. I've installed vlc player but faced with the bug: At approximately 40 minute (can ve different for various videofiles) ...
0
votes
1answer
42 views

How to put /boot on a flash drive?

I have a flash drive with two partitions, the boot loader and one for /boot. During the install, on the bottom it asks where to put the boot loader, I chose a partition on the the flash drive, ...
0
votes
1answer
14 views

Updating OpenGL on Ubuntu

When trying to run Portal 2, I recive this error: SDL video target is 'x11' SDL video target is 'x11' SDL failed to create GL compatibility profile (whichProfile=0! SDL failed to create GL ...
1
vote
1answer
20 views

Cant launch Portal 2: Failed to load the launcher (libuuid.so.1: cannot open shared object file: No such file or directory)

I got a new computer downloaded Steam, and purchased Portal, and downloaded it to both my old computer and my new computer. It launched instantly on my old computer, but, refused to launch on the new ...
7
votes
4answers
19k views

What's a fast way to copy a lot of files from an internal hard-drive to external (USB) storage?

I have a large amount of data - about 500 GB - on the internal hard drive of a desktop PC. This includes music, videos, PDFs... you name it. I want to copy everything to an external USB hard drive ...
0
votes
2answers
12 views

Lenovo X201 screen - black now green

My trusty Lenovo X201 (running Ubuntu 14.10) has developed a problem with the screen. The colour black is now green. Initially, I could make the problem go away by moving the screen back and forth but ...
0
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0answers
8 views

VirtualBox, shared folders and npm modules

I'm had tried to install some npm modules and got a problem: vagrant@vagrant-ubuntu-trusty-64:[path/to/shared/dir]$ mkdir newDirectoryName mkdir: cannot create directory ...
0
votes
1answer
2k views

Add Windows boot entries after installing Ubuntu?

I have Windows 7 on its own bootable hard drive, Windows 8 on its own bootable hard drive and Ubuntu on its own bootable hard drive. I'm using the BIOS to manually select on which hard drive to boot. ...
0
votes
0answers
5 views

slow vnc runnig mate desktop

i have a vps running ubuntu 14.10 with 4 gb ram 3 cores processor and 50gb disk i installed xfce lubunut and finally mate desktop environement but it was slow i found a post that For faster remote ...
0
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0answers
14 views

Can not login through “ubuntu” option but can login through “ubuntu 2D” option

My system is Ubuntu 12.04 LTS. Since updated, every time I input the right username and password and hit enter using Ubuntu entrance, I got bounced back to the log screen. But other entrances are ...
0
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1answer
8 views

How do I boot into Xubuntu after dual booting along-side Windows

I recently installed Xubuntu 14.04 from USB on a netbook running Windows 7. It installed fine, but before I restarted the machine, I removed the USB stick (out of habit). I couldn't shutdown the live ...
1
vote
1answer
24 views

Apt doesn’t seem to update package sources when attempting to install Mono on Ubuntu 14.04

I’m currently tinkering with Ubuntu 14.04 LTS in a virtual machine. I have been having success with getting my Samba server set up correctly and I have also set up my FTP service. So the next thing I ...
1
vote
1answer
146 views

What mean “precise” in apt sources.list entry

I tried to find an answer on the Internet but only thing that I found is that it determines architecture but it not seems logical. So what dose “precise” mean in follow line? deb ...
1
vote
2answers
88 views

Can I assign greater RAM to VirtualBox than Windows?

I have Windows 7 in my laptop and I am using VirtualBox. I have 3 GB RAM. I have installed Ubuntu 14.04 for learning purpose in VirtualBox and assigned 1 GB RAM but it seems very slow. My question ...
1
vote
1answer
356 views

Connect to external VPN from an Ubuntu Guest machine on VirtualBox

I have the folding VirtualBox setup: My host machine running a Kubuntu 14.04. My guest machine is running Kubuntu 14.04 as well. My host machine is connected to office A’s LAN and has access to ...