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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GRUB-EFI installation fails while installing Kali Linux in external hard disk

I was trying to install Kali Linux from a live USB to an 1TB external hard disk. At first I was unable to boot the live USB with my H2O Insyde BIOS. Then I converted my pen drive partition table to ...
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0answers
112 views

Problem selecting update sources by GUI (*Software&Updates - Updates*) in Elementary OS Freya (*ubuntu 14.04)

[Although I trust this is ubuntu-specific, it is cross-posted here for the moment, as the initial askubuntu post was closed (for being eOS-specific)] I am in eOS Freya stable, clean install. I had ...
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0answers
30 views

Using Ubuntu as a SOCKS Proxy for Torrents - How to allow UDP for trackers?

This is my build: 14.04 LTS (GNU/Linux 2.6.32-042stab094.7 x86_64). I'm a complete noob at linux but have some experience in bind and ISC DCHP on some old solaris boxes (to define the audience!). I ...
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0answers
15 views

Backing up/restoring a full VPS, can't boot from live media

(My question here is specifically about Ubuntu, but I'm posting it on Unix & Linux because I think the answer will apply to Linux in general. I'm more than happy to reformat the question or move ...
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1answer
102 views

macbuntu - is it a linux distro or a desktop or a theme? [closed]

These might be very basic newbie questions (and if it is too basic, I would be happy to remove this post). After 25+ years of using various versions of Windows, to experiment with non-Windows OS, I ...
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2answers
2k views

Linksys AE3000 install on linux

I bought a Linksys AE3000 wireless adapter hoping I could use it on my Ubuntu 12.04 box. I found a website that walked through using it, but it didn't work. I edited rtusb_dev_id.c to add: and then ...
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2answers
771 views

Installed Linux, now Windows doesn't boot anymore

I had a working Windows 8.1 which I used regularly. Today I needed Linux, so I chose Ubuntu and installed it from a bootable flash drive alongside Windows. Everything worked well, I could choose which ...
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0answers
36 views

Backing up VPS via SSH/SFTP

I'm going to perform some maintenance on my VPS (Ubuntu Server 15.04), and I would like to back up some files before doing so. The problem is that some of these files are under other users' home ...
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0answers
33 views

How do I setup a secure HTTP/SOCKS “proxy” tunnel through a Ubuntu server?

Is there any helpful tool that will allow me to turn a existing Ubuntu machine/server into a full featured SOCKS/HTTP proxy server which I can offer to customers? Meaning that I should be able to ...
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0answers
22 views

Permission of any file folder set to read only on upload

I have inherited an old CMS system that I have just cleansed from a massive hack attack. I copied all the files and databases, scrapped the old server, cleansed the files via various means, cleansed ...
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0answers
40 views

Debian setup launching GRUB bash

I have a little problem with setting up Debian. When I boot from the installation USB in UEFI mode, I get the GRUB command line. If I type in "boot", I get Please load the kernel first. I had Ubuntu ...
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1answer
3k views

Is GREP_OPTIONS= --color=always ignored?

I was playing around with setting GREP_OPTIONS and couldn't get it to work. Just curious as to why. Simple test commands output: richard@ubuntu:~$ echo $GREP_OPTIONS richard@ubuntu:~$ ...
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3answers
34k views

How to start a service automatically, when Ubuntu starts?

I am using Ubuntu 12.04 and want to have a service starting, when the system is booted normally. As 'service' I understand some code, for example cd my_directory; my_command -host 0.0.0.0 -port ...
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3answers
1k views

Change default search name

My Ubuntu12 server VM is receiving its IP address from an DHCP server (actually my WLAN router called Fritz Box). Hence all domain names are resolved to machinename.fritz.box. The reason seems to be ...
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1answer
23 views

Is is possible to automatically sync Firefox bookmark updates with an HTML file?

I bookmark a lot of pages everyday and I export them as well into an HTML file. The thing is whenever is bookmark a page can it automatically get updated or synced with the HTML file? I use Ubuntu ...
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1answer
893 views

Adding multiple user with shell script on Ubuntu

Can someone help me in providing me the shell script for creating multiple users on Ubuntu. Password needs to be different for each user. Thanks in advance
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1answer
1k views

Bluetooth Device not working debian wheezy

i just installed debian wheezy on msi cx640dx. my bluetooth device not working. here is some information. Kernel version: $uname -r 3.2.0-4-amd64 when i use hcitool dev it don't show any device. ...
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3answers
34 views

Cursor freezes - keystrokes to release?

Occasionally the mouse cursor will freeze - I have to reboot. In Ubuntu is there a keystroke combination such as Ctrl+Alt+Del which would enable me to continue working without having to reboot?
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0answers
92 views

Ubuntu: freezing on startup

I recently installed Ubuntu 14.04 on a new ThinkPad laptop as a dual boot with Windows 8. It has been running for a few days without issue. However, when I booted my computer today, it got stuck on ...
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4answers
655 views

Is it possible to tell if my Linux kernel is custom (i.e. compiled) as opposed to distro?

Taking example of Ubuntu, can we tell if the kernel was custom compiled rather than what comes with distro?
2
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1answer
695 views

xorg.conf XkbOption ignored for terminate:ctrl_alt_bksp to restart X

I want Ctrl+Alt+Bksp to restart X, so I created an xorg.conf rule: /usr/share/X11/xorg.conf.d/53-zap.conf: Section "ServerFlags" Option "DontZap" "false" EndSection Section "InputClass" ...
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1answer
59 views

Desktop files disappeared mysteriously. Entire directory missing

My desktop files on Ubuntu disappeared mysteriously when I tried to drag and drop files to my pen drive. I tried all options available on stack exchange and elsewhere on the internet, like ...
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0answers
11 views

Apcupsd loosing connection with ups and couldn't be stopped

We've discovered that sometimes apcupsd loosing connection with ups. We can not find why, but we've discovered that when we trying to shutdown apcupsd with /sbin/apcupsd stop It gives following ...
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1answer
40 views

how to force a tun/tap interface into RUNNING state

I create a tun interface, bring it up and assign an ip addr to it using sudo openvpn --mktun --dev tun2 sudo ip link set dev tun2 up sudo ip addr add 10.0.0.1/24 dev tun2 The interface is created ...
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3answers
76 views

How to use SSH to move a file from Ubuntu to Windows?

I am logged onto a windows machine. I am using Putty to login to an Ubuntu machine on the same network. Now I'm trying to move a .c file from the Ubuntu machine, to the Windows machine, edit it there, ...
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1answer
229 views

vmlinuz file for Ubuntu

How do I look for the vmlinuz file for Ubuntu from SUSE. I try: mount /dev/sda5 /mnt then cd /boot, but I don't see the vmlinuz file for Ubuntu. Where is it? The /boot directory is empty.
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27 views

Isolating some CPU cores reduce average CPU usage of game servers

Hardware: FX8320 (8 cores) @ 4.4GHz, 16GB I run 10 TF2 game servers. Few days ago I isolated some CPU cores with line in linux grub config: isolcpus=5-7 The strange thing - individual CPU cores ...
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1answer
2k views

How to fix error 'xrandr: cannot find output “VGA1”'?

I am trying to enable a HDMI connection to a monitor connected with a HDMI cable to my Lenovo laptop using the following commands. > xrandr xrandr: Failed to get size of gamma for output default ...
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1answer
162 views

Missing panel icons in elementary OS Luna

Dropbox, Network (Wi-fi) and Mega icons are gone. I don't know how it happened, perhaps an apt-get update or something. Those icons should be placed besides that volume icon. What I have to do to ...
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3answers
2k views

Running Linux on Smartphone

I have recently thought about buying a cheap second hand smartphone and install Linux on it as an experiment. I am sure this has been asked a lot but I cant seem to find an answer: Is there anyway ...
1
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1answer
575 views

Make bluetooth device invisible / disable incoming pairing

I am using the bluez package for my bluetooth usb dongle on ubuntu server. I want to be able to initiate bluetooth connection from the dongle to a device, however a device itself shall not be able to ...
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1answer
329 views

elementary os on ubuntu

I have installed Ubuntu 14.04 on my laptop I tried to install Pantheon desktop enviroment because I tried it on the elementary os before and I liked it but the last version of elementary os is ...
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0answers
17 views

Squid: no authentication when visiting HTTPS websites

I have setup Squid and everything is working. I am now trying to setup a password and all tutorials refer to a file called 'ncsa_auth'. Unfortunately, I do not seem to have this file. I checked in: ...
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2answers
2k views

How can I add an external CD/DVD writer ?

I want to add an external CD/DVD writer to my Ubuntu 14.04 system (System 76 Ratel): the writers in my local electronics store have USB interfaces, and the drives are advertised as windows and mac ...
1
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1answer
40 views

Why is setting up WLAN in Debian so hard? (compared to Ubuntu) [closed]

switching from Ubuntu 14.04 to Debian jessie (LXDE) on a ThinkPad T500 Lan (eth0) is configured in /etc/network/interfaces and works fine. After setting up LXDE i wanted to switch to WLAN and it ...
1
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1answer
158 views

Installing Ubuntu 15.04 through Mint 17.1

I am currently using Mint 17.1 on a machine having both legacy BIOS and UEFI. Secure Boot is off. Mint is running on a fully encrypted physical partition and with swap partition is encrypted too. ...
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2answers
61 views

Add ArchLinux to Ubuntu dual-boot

I would like to dual boot ArchLinux with my Ubuntu. I would like some hints at how to do it without messing my partitions too much. Presently, my Computer partition scheme goes like this: (Ubuntu ...
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1answer
259 views

Error while booting Ubuntu 14.04 - setterm: $TERM is not defined

Yesterday I restarted my Notebook with Ubuntu 14.04 and got the following error message in between the login-screen and the loaded user interface. Error found when loading /etc/profile setterm: ...
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2answers
91 views

Ubuntu won't connect to university internet [closed]

My WiFi adapter shows networks in the area, but will not allow me to connect to my university Internet. Normally, on Windows, I connect to the Wifi by clicking connect. It shows it as connected, but ...
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2answers
793 views

How to achieve higher display resolution for Ubuntu under VirtualBox?

In this setup, Ubuntu under VM only achieves low resolution at 640 * 480 while host is 1920 * 1024. How to, (I believe is to configure X server), achieve higher resolution? I have set in VirtualBox ...
0
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1answer
1k views

Start application as root at boot time on Ubuntu 14.04

I'm working in Ubuntu 14.04 I have an C++ application which I have compiled. I get the executable which name is "program". Well the thing is that this program use opencv and sockets then if I try to ...
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0answers
80 views

installing mongodb with linuxbrew

I want to install mongodb with brew in ubuntu 15.04 but despite several attempts to install i can't do that, even if I completely remove homebrew and reinstall it. when i type in terminal : brew ...
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1answer
190 views

How do I run a service with numactl

I need to do something like this to run MongoDB $numactl --interleave=all /usr/bin/mongod --config /etc/mongod.conf & What should I change to be able to run the mongo daemon with the options ...
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0answers
21 views

after reboot server, service start without special chars

I write simple Java server. This service (java server) connect with mySQL database. I am connecting with this service by socket connection. Everything work well when i start my service by line ...
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0answers
23 views

Passthrough PS/2 keyboard to guest OS

OS Windows run on VM (ubuntu, libvirt, qemu-kvm). And I have PS/2 keyboard on host hardware. Is there any way to pass it to guest OS without lost of performance (maybe emulate USB keyboard with keys ...
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0answers
23 views

Why can't I connect to 5ghz?

In "Edit Connections" I chose mode "Infrastructure". In router page (BT Home Hub), it shows that my android phone is connected to 5ghz, and my laptop still uses 2.4ghz. What can I do?
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0answers
47 views

Running Elementary OS on MacBookPro10,1, get random resolution changes

I recently installed Elementary OS (Ubuntu-based) and every now and then my resolution drops down to a super small size that messes with my mouse-tracking and pretty much makes any application ...
4
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3answers
5k views

'd' Key on VNC Viewer Minimises All Windows

I'm running vnc4server on an Ubuntu 10.10 box, and connecting to it from an Ubuntu 8.04 machine using TightVNC Viewer 1.3.9. I'm unable to type anything with the character d within the VNC session, as ...
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1answer
52 views

airmon-ng disabling my internet connection

I am not really familiar with aircrack but I am having this small problem , when i user airmon-ng start wlan0 it puts my adapter into monitor mode but i loose internet connection and the adapter looks ...
0
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1answer
111 views

Can't use apt because python encoding issue

I'm getting a python unicode error every time I try to install or update anything with apt or aptitude, preventing me to update my system. The error I'm getting is the following: File ...