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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Unlimited savelines in XTerm?

I'm trying to achieve unlimited or simply very large number of lines saved beyond the top of the screen in XTerm. I do have my xterm*savelines: 10000000 resource set to a rather large number, and I ...
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1answer
19 views

Programs not Executing

So one day randomly a month ago all of my programs that I installed stopped opening when I clicked them. I figured out how to manually run Minecraft since it is a jar file, but other programs not so ...
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25 views

Windows 10 isn't shown in dual boot menu with Ubuntu

I have installed Ubuntu alongside Windows 10 to different local disks. But on the booting window, Windows 10 isn't showing after installing Ubuntu- there is only Ubuntu on the menu. How do I enter ...
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1answer
46 views

Choose specific files to download in utorrent ubuntu

I am using Ubuntu 14.04 and i am using uTorrent web UI. Whenever i add a torrent for downloading, it straight away starts downloading. I want to be able to choose which files to download and which ...
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3answers
117 views

Trying to set up a home webserver using Ubuntu and Apache2

The steps I’ve taken: Installed Ubuntu on old laptop. Given the laptop a static IP address in local network of 10.1.1.12. Add a service to Netgear DG834GU router for port 80 TCP/UDP Set up a ...
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1answer
13 views

input/output errors using encfs and dropbox

I have a 200 gig Encfs encrypted file system living in my Dropbox and being accessed by multiple machines, and I've never had any problems with it until now. I moved about 10 gigs of data around on ...
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6 views

Ubuntu server does not connect to the internet anymore

I switched off my Ubuntu Server, but, when I started it, it didn't connect to the Internet. It is connected to the router via Ethernet. What can I do? Thanks
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5 views

Ubuntu Server is not visible anymore in the local net

I set up Samba on my Ubuntu Server, I could see the server from the two Windows PCs in my home and I could share files between the PCs. When I restarted the system, I could not see the server anymore. ...
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1answer
34 views

Linux sh script throws “#!/bin/sh: not found”

i have a script #!/bin/sh # Automatically remove a torrent and delete its data after a specified period of # time (in seconds). TARGET=/var/www/transmission/completed USER=name PASS=pass ...
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1answer
41 views

Will upgrading to Windows 10 replace my grub bootloader?

I dual-boot Windows 8.1 and Ubuntu 15.04. I have learned to install Windows before Ubuntu because the reverse results in having to finagle with a lot of settings to get the grub boot loader prompt ...
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2answers
65 views

Dual Booting Windows 10 and Ubuntu

How do I do this, should I follow the same method as for Windows 7? I did not try anything but am looking for suggestions. No I don't want to use VB. Please help. My hard drive has around 50GB free ...
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4answers
3k views

Dual booting windows 8 and Kali Linux 1.0.8

I'm trying to install kali linux along with windows 8 The latest Kali version (1.0.8) supports booting alongside windows 8 I installed Kali Linux from a LiveCD, rebooted and it went straight to ...
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1answer
12 views

Ubuntu + Win 7 Dual Boot

I want to dual boot Ubuntu on my old windows 7 laptop. Will I ALWAYS need the flash drive I am burning the ISO onto for startup? Or, once I select "Install Ubuntu alongside Windows", will Ubuntu be ...
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3answers
24 views

Ubuntu - OK to raid0 and raid1 on same two drives?

I'm building a household Ubuntu 14.04 server and just installed two 3TB drives for the files and media. The box (HP DC7900 SFF) uses Intel Matrix RAID which, according to wikipedia is neither hardware ...
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0answers
4 views

Repeating mDNS/Bonjour requests from eth0 through a tunnel (tun0)

To start off, I am quite new at both networking and Unix/Ubuntu/Linux distros. Just a warning, for any setup/code may look a bit ugly. Basically, my end goal is to successfully AirPlay Mirror to a ...
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3answers
25 views

What is the equivalent of Ubuntu /etc/network/if-pre-up.d/ in Fedora (22)

I'm trying to migrate from Ubuntu to Fedora(22) but I can't find how to run a network script before the interface is up. Is there any equivalent of this /etc/network/if-pre-up.d/ in Fedora? I need to ...
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2answers
39 views

date. hwclock keep showing wrongly everytime after reboot

Edited question to better reflect situation. (My hwclock and date is not showing correctly) I am on +GMT 8 and i have set my hwclock to localtimezone by doing the following rm /etc/adjtime ...
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5answers
4k views

How do I reset the factory capacity of harddisks on win7 or ubuntu

I have a 3TB Hitachi HD () which progressively 'lost' displayed capacity to currently just above 740 GB. Explorer, Installation-DVD and harddisk manager (win7) all agree on this size @ 1.5 billion ...
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0answers
4 views

Launch 10 Firefox profile windows simultaneously?

I would like to open 10 Firefox profile windows simultaneously on Ubuntu desktop. I know how to do this on Windows but the application doesn't exist on Ubuntu. I have tried Profile Manager in Terminal ...
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1answer
21 views

X Error: BadMatch when adding widescreen resolution to Ubuntu

Problem: I upgraded my monitor from 1680x1050 to 2560x1080. In nvidia-settings the maximum resolution I can set is only 1920x1080, leaving a substantial gap on each side of the monitor. The display ...
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2answers
6k views

How to release mouse from VirtualBox?

I've got Oracle VirtualBox 4.2.10 installed on Ubuntu 12.04, and with evry virtual machine I create, the "host key", which is supposed to release the mouse doesn't do anything. I've already installed ...
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3answers
12 views

Wireless working but ethernet not working in Ubuntu 14.04 in hp laptop

ubuntu@ubuntu-HP-15-Notebook-PC:~$ ifconfig eth0 Link encap:Ethernet HWaddr d0:bf:9c:1a:8b:3e inet6 addr: fe80::d2bf:9cff:fe1a:8b3e/64 Scope:Link UP BROADCAST RUNNING ...
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3answers
4k views

Why does the system have /etc/sudoers.d? How should I edit it?

Last time, I asked about the risk of these (in /etc/sudoers): user_name ALL=(ALL) /usr/bin/vim /etc/httpd/confs/httpd.conf %group_name ALL=(ALL) /usr/bin/vim /etc/httpd/confs/httpd.conf ...
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1answer
21 views

3 interface server - wap with bridge - how to route this?

I have the following setup (except the "server-addressed packets"-part): http://www.directupload.net/file/d/4062/jo9qswvv_png.htm Basically eth0, eth1 and a wap. eth1 and wap are bridged with br0. ...
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1answer
9 views

Restart a command after it gets killed by the system

I have been using Gmvault to backup my Gmail email accounts but since the machine I use for doing this job only has 1GB memory, it frequently got killed by the system (Ubuntu) when it exhausted all ...
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2answers
3k views

How do I set up a bridge on Ubuntu GNOME 14.04

I found a guide for setting up a bridge in Fedora and was trying this: $ nmcli connection delete p33p1 $ nmcli connection add con-name br0 type bridge ifname br0 autoconnect yes $ nmcli connection ...
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0answers
41 views

Windows 10 upgrade using another partition — cannot boot up anymore

I have a dual-boot set up with Ubuntu 14.04, Win 8, and a Storage partition. Since my Win 8 partition is full, I have to choose the Storage partition during the Win 10 upgrade menu. During the ...
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1answer
3k views

Ubuntu 13.10 has no Suspend or Hibernate Options

I have a Lenova Yoga 2 Pro, and I have Ubuntu 13.10 installed. I am having some issues setting the power functions. At the moment I can not suspend or hibernate the laptop. So from Gnome 3.10 I have ...
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1answer
147 views

selinux doesn't have httpd_can_network_connect as an option on ubuntu 15.04

I installed Ubuntu 15.04 and then installed selinux by doing sudo apt-get install selinux. I then did setsebool -P httpd_can_network_connect 0 and got a "Boolean httpd_can_network_connect is not ...
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1answer
5k views

Linux: Kill process on specific port

How to kill a process if its port is known? For example if a process is running at port 12345 then how it can be terminated in linux/ubuntu.
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1answer
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Bridged Network not working on Ubuntu Guest, Windows 8 Host using VMWare

I'm using VMWare Workstation 11 (Ubuntu 15.04 Guest, Windows 8.1 Host) and bridged networking is operating fine on my home network; however, when I try using the same configuration on my work network ...
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11 views

Linux - How to stop a queued command

I have two terminals open: #1 dd command copying 128GB #2 Using Kill command to monitor dd process . I was repeating the monitoring command and accidentally repeated dd command in the second ...
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1answer
27 views

How the internal pipes in linux work?

When I do ps , ps will show that in the list. But when I do ps | grep hello even though ps is the process , grep is the process shown. Is it that pipes work that way ? How is the pipe read fd closed ...
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427 views

Why am I getting error C1900101 when I try to upgrade from Windows 7 to Windows 10?

I am dual booting Ubuntu and Windows 7 and I am attempting to upgrade to Windows 10. This is the error message I get when I view the log: Installation status: Failed Error details: Code C1900101 ...
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1answer
14 views

VM engine that reuses installed OS

I am running a tripple-booting MacBook Pro. It boots between Ubuntu, Mac and Win7 (likely going to drop Win10 on it asap). Now I would like to do tasks in my Mac, my primary OS, while pulling updates ...
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0answers
14 views

Shell script to get 2 diff files from 2 diff folders

Fetch all files from 2 different folders, If first file is from folder 1 and another file should be again first file from folder 2 at the same time, Similarly If Second file is from folder 1 and ...
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13 views

Certain ubuntu 14.04 images accept ssh on parallella board

The Parallella is a microcomputer that's basically a number accelerator. Although it seems like it may be a network error, but I know for a fact its a hardware issue. I had a working headless image ...
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12 views

Run Cuckoo inside Docker

I'm trying to install Cuckoo inside of a Docker container but have run into a problem. I know there's an image on the Docker website: https://registry.hub.docker.com/u/blacktop/cuckoo/; however, I've ...
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66 views

Creation of Windows 10 install USB, no boot

I just downloaded the 64-bit Windows 10 ISO, and trying to create a pendrive installer (since my computer doesn't have an optical drive). The system I have available is Ubuntu 14.04, which is the same ...
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1answer
4k views

ubuntu 13,10 “Failed to download repository information”

I have ubuntu 13.10- 64 bit version on my machine.recently i tried to install postgres for ROR development but i couldn't complete the postgres installation and found that my update manager always ...
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0answers
25 views

Cannot access server via SSH in terminal

When I try logging in via ssh root@server.org I am asked for my password, however when I enter it, it doesn't work. I can access the server by a different user then run su root and the password works ...
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0answers
113 views

Installed Ubuntu next to Windows 10 caused nothing to boot anymore

The following broke my PC. Installed Windows 10 Education x64 final release Booted Ubuntu 15.04 install disc Installed Ubuntu with option to install next to Windows Installation said it has been ...
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2answers
28 views

how to gzip and scp at the same time

I have a file in which i wanted to zip up and at the same time transfer over to another host using scp. I tried to do the following command but failed. I do not mind zipping up and scp over later, ...
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0answers
8 views

KVM: iphone passthrough to windows guest

I use KVM on a ubuntu 15.04 guest and a windows 7 and windows 10 guests. I connect my iPhone to my PC and want to redirect it (using virt-manager) to the guest. I always get the error. ...
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125 views

Sylinux 5.x and YUMI - “no default or ui directive found”

I'm on Ubuntu 14.10 and I'm trying to create a multiboot USB with YUMI. the usb is formatted with fat32 I have installed on the usb a couple of live linux ( ubuntu, archbang ... ). When I try to ...
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1answer
36 views

running python program on startup in tty4

I want to setup program that will automaticly run in tty4 (if its possible, if not then can be run in any other tty) on system start. My python script is at /home/vakus/main.py I have no GUI, only ...
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1answer
13 views

Cloning Ubuntu “clusters” with ssh access

I have a "cluster" with multiple Ubuntu (12.04) machines, all with the same accounts. From any machine, I need to ssh to any other machine. I set up ssh, generated keys, known_hosts file, and tested ...
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2answers
3k views

How to fix Truecrypt MBR using Command Prompt or Linux live USB?

I was playing with TrueCrypt and decided to make a fresh installation of Windows 7 from USB stick. Unfortunately Windows 7 installer: "setup was unable to create a new system partition" My entire ...
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12answers
141k views

How to wipe free disk space in Linux?

When a file is deleted, its contents may still be left in the filesystem, unless explicitly overwritten with something else. The wipe command can securely erase files, but does not seem to allow ...
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0answers
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How can I change the startup options on a (L)Ubuntu bootable USB drive?

I'm trying to install either Lubuntu or Ubuntu on an old Dell Netbook which has a 32-bit processor and 1 GB of RAM. I copied the Lubuntu ISO to my USB flash drive using a 3rd party program called ...