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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Why will a linux usb boot on my personal pc but not on school computers?

I'm enrolled in a linux class right now and one of our assignments was to make a bootable flash drive. My friend is also in this class but he didnt know how to do it so I just made one for him. It was ...
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1answer
31 views

Why my terminal screen crashes?

Sometimes my system gets freezed, after that my icons looks crashed and the terminal fonts are also crashed Whenever I restart it looks normal, how to fix this?
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2answers
67 views

How can I alert on completion of a long task over ssh?

My desktop is Ubuntu, which has the handy program notify-send, which pops up an alert on the desktop. It also has the following handy alias built in: $ type alert alert is aliased to `notify-send ...
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1answer
900 views

Ubuntu 12.04 32 bit is slow on Virtual machine

I have installed Ubuntu 12.04 32 bit os on my Virtual machine. I have allocated 2GB ram to it. But the VM is running very slow, and left side taskbar is not visible. When I place my cursor on the ...
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0answers
38 views

Did Ubuntu fix the Docker Security Flaw? [migrated]

I read an article that said that Docker was insecure, and that this is why Core OS was created. Then a short time later, I read an article that Mark Shuttleworth of Canonical / Ubuntu fame was ...
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2answers
80 views

Prevent Language selection at ubuntu installation

I would like to make a completely unattended installation of Ubuntu Server 14.04 from an USB drive where I extracted the ubuntu-14.04.2-server.iso In /syslinux/txt.cfg of the USB drive, I added the ...
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2answers
133 views

init.d script not being run on boot

My script is not running on boot in a vagrant box under Ubuntu. My script looks like this - #!/bin/bash # /etc/init.d/mailcatcher ### BEGIN INIT INFO # Provides: scriptname # Required-Start: ...
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0answers
31 views

can I boot ext4 usb stick with xubuntu on from a Mac laptop?

is there a way to boot my ext4 formatted "xubuntu" USB memory stick from a Mac laptop? The laptop can identify FAT32 usb memory sticks with ubuntu at boot time, but it cannot identify mine, which is ...
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3answers
634 views

Directory appears as file?

So we copied some photos in a directory across to a NTFS partition last night, and they were viewable from ubuntu. Today the directory is not accessible from Windows, and when we booted back into ...
5
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1answer
571 views

How to write/edit/update the OsIndications efi variable from command line?

In the need to enter the UEFI firmware setup utility while using ultra fast boot (keyboard drivers are not loaded during POST), I wish to write to the "Os Indications" efi variable. My OS is Ubuntu ...
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0answers
54 views

Ubuntu 14.04 using 100% swap space, with more than 40GB free memory, why?

I'm a bit at a loss trying to figure out why this would be the case. Can anyone provide some helpful ideas on troubleshooting this? $ free -m total used free shared ...
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0answers
72 views

Starting Wait for Plymouth Boot Screen to Quit

I'm struggling to install Kubuntu 15.04 on my PC. I've got a GTX 970 which i think is throwing off the trial mode from starting up. nomodeset doesn't work, so I tried nouveau.noaccel=1 to beget this ...
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1answer
8 views

How to use Mac Camera on Ubuntu Desktop

I am trying to feed my mac's camera into my ubuntu desktop. Any advice on either how to do this or the proper forum/resource to use to find out?
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1answer
736 views

Can't get grub to boot windows 7 partition. “error: invalid EFI file path”

I have an "HP pavilion 7008tx dv7" laptop. It came bundled with Windows 7 and has two 1TB HHD and an 32G SSD. Here is the output form "sudo parted -l": Model: ATA TOSHIBA MQ01ABD1 (scsi) Disk ...
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3answers
14k views

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
110 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
29 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
12 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
88 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
758 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
33 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
30 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
19 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
36 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 ...
4
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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
22 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 ...
1
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1answer
869 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
32 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
86 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
648 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
687 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
53 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
10 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
36 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
74 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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vote
1answer
228 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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0answers
25 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 ...
0
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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 ...
0
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1answer
158 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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vote
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 ...
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1answer
569 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 ...
0
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1answer
328 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
16 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 ...
3
votes
1answer
520 views

Consequences of setting up POSIX locales

Small background of the situation: We are using several UBUNTU servers having English as working language; however having en_US locale set in machines we encounter problems with apt-cacher-ng ...
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2answers
5k views

D-Link DWM-156 HSPA USB Modem doesn't work with SIM card inserted

I have a D-Link DWM-156 HSPA modem, that I bought just a few days ago. The modem has drivers in its internal storage. There are Debian packages (.deb) for both i386 and amd64, so obviously I installed ...