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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Set default editor for 'info coreutils' [duplicate]

I'm using Ubuntu 14.04 and have this in my .bash_profile: export EDITOR=/usr/bin/vim export VISUAL=/usr/bin/vim man respects this setting but info always opens in something else, nano or it's own ...
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0answers
18 views

API for Ubuntu Linux utility panel

I want to build an application that integrates with the top menu bar on Ubuntu. Where if you click the icon you get a dynamically created drop down menu. Everpad does this and here's an example of ...
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1answer
691 views

qemu emulator for raspberry

I am trying to emulate a raspberry pi on ubuntu. I have tried several ways using several tutorials but every time, the emulator logs this: scsi: 0:0:0:0 ABORT operation started scsi: 0:0:0:0 ...
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26 views

How to properly install Apache, MySQL, and PHP on Ubuntu 10.4

I have followed a guide on how to install Apache, MySQL, and PHP on my laptop running Linux (Ubuntu 10.4) It appears I have it installed correctly but when I am not sure. I followed this guide here: ...
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1answer
495 views

I can't install new packages and can't update and upgrade

I'm trying to install some program on Ubuntu, but when I try it I got the following error.- E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock ...
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0answers
25 views

Intermittent, temporary freezing

I just got na SSD for my desktop, and decided I'd install Linux on it, for a change from Windows. The problem is, I've tried Ubuntu 14.04 and Fedora 20, and on both, in the install environment and ...
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0answers
58 views

Strange bash sytax error depending on sudo usage

I made this bash function to detect if the user running is actually logged in as root user and not using sudo by checking the uid + home directory of the user executing the command: #!/bin/bash set ...
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0answers
16 views

Greek dictionary in LibreOffice

I've installed LibreOffice Version: 4.3.3.2. On Calc, I try to write in Greek but the Spell Checking put a red line bellow every word. I went on Tools -> Spelling -> Options and add there the Greek ...
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1answer
839 views

Fedora 18 guest in VirtualBox 4.2: How to assign static IPv4 address to guest regardless of active ethernet interface on host

I have a Ubuntu 13.04 host running VirtualBox 4.2.12. This host has both a wired and a wireless network interface, but only one of which would usually be active at any given time. For example, at home ...
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2answers
4k views

Proper way of changing username in Ubuntu or any linux

I am using Ubuntu 12.04 and made some customization. I will also make it a new iso which is customized ubuntu. What I want to ask is how can I change my username. There are plenty much configuration ...
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1answer
91 views

Network interface not registring ARP response

I have a server with two NIC and it's running Ubuntu Server 14.04. The first one is the interface "p3p1" and it's connected to the subnet 192.168.1.0/24 with the IP 192.168.1.100. The second one is ...
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0answers
24 views

high precision subsecond cronjob replacement

I am looking for a cron replacement which could run subsecond schedule, is there have any "still alive" project which serve this purpose? Currently running Ubuntu 14
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1answer
63 views

Mounting alternate devices (with different mount options) at the same mount point

I have a server (running Ubuntu 14.04) that has a hot-swap drive bay. I typically use the hot-swap bay to mount one of a bunch of loose hard disks that I shuttle large scientific datasets around on. ...
0
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1answer
123 views

Questions about behaviour of running LiveCD Linux after unmounting a CD-ROM

Could anyone explain what happens in system after unplugging CD-ROM during working with LiveCD session? Suppose that I'm using Ubuntu LiveCD and suddenly by accident the CD-ROM disconnect for a ...
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1answer
49 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
128 views

Tool to create recipe to preseed partitioning

I want to preseed an Ubuntu 12.04 installer using a custom partitioning recipe. My disk layout is reasonably complex, and so is the recipe syntax itself. Hand-crafting such a recipe seems tedious and ...
2
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1answer
404 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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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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0answers
26 views

Install Ubuntu live USB to USB or computer

I have a live USB with Ubuntu 14.04 with things I have installed and deleted, and preferences that I've changed on it, and am wondering if it's possible to install Ubuntu onto either another USB, or ...
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1answer
81 views

Nmap script execution to detect heartbleed is failing

Wanting to setup Nmap on my Ubuntu 14.04 LTS system to detect HeartBleed vulnerability. I followed the instructions here: ...
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2answers
22 views

Restarting youtube-dl

I feel like this should be a really simple thing to do, but I don't know how to do it. I recently updated the config file for youtube-dl and I also upgraded to the latest version. The update message ...
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2answers
466 views

How to turn off/speed up desktop switching in Ubuntu 13.10?

In my standard Ubuntu desktop I defined four workspaces. When I switch between them (e.g. use a key shortcut), I see the new workspace move in while the old workspace moves out of the screen. So far ...
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1answer
442 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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2answers
42 views

Ubuntu cannot find or detect new wired network adapter

I want to use two ethernet cards on my machine. So I've physically inserted the new ethernet card in to my machine. However when enter the ifconfig -a command Ubuntu cannot find or detect the new ...
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0answers
39 views

Accessing Macintosh HD from Ubuntu

So after I upgraded my MBP to Yosemite, I have lost dualboot. After a long struggle, I finally reinstalled refind to work properly. Unfortuantelly, when I use Ubuntu, I cannot access Macintosh HD ...
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1answer
971 views

How can I manually decrypt the hard drive?

I've just switched to Ubuntu 12.04 one year ago and moved all my photos, documents, etc to the 1TB main hard drive that has been encrypted during the installation process - not LVM but only the home ...
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1answer
258 views

Networking not working on ubuntu server 12.10 on B75MA-P45 mobo

Just got some new parts to but together a local development server with Ubuntu server 12.10 and I can't get networking working. I have an airport extreme for my router and it works find with CentOS ...
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1answer
36 views

Broadcom: not able to see my wifi

I recently installed Ubuntu 14.04 on a computer with a Broadcom BCM4312 802.11b/g LP-PHY wireless card. After installing the proprietary drivers available from the Ubuntu repositories, I was able to ...
2
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2answers
376 views

Print job “Held for authentication”

Following the instructions here, I have installed a Samba print server on an ARM-based Udoo-quad running Udoobuntu 12.04 LTS. The Samba server is working, and (after setting guest ok = yes in the ...
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2answers
676 views

Ubuntu 14.10 disconnects from wifi after waking up from suspension

I have recently upgraded to Ubuntu 14.10 LTS. When I suspend my laptop and wake it up later from sleep, or when I close my laptop lid and open it later on, or when I want to change my network, I loose ...
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2answers
4k 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 ...
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2answers
167 views

Linux drives not showing on dual boot install - intel smart response issue

When I try to install linux as dual boot on my laptop. However it does not show any available drives for me to install it on when I get to the install screen on a live boot cd. I have tried creating ...
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2answers
2k views

How to reduce ClamAV memory usage?

I'm running a Ubuntu based web server (Apache, MySQL) on a 512MB VPS. This is more than sufficient for the website it is running (small forum). As I wanted to add some protection against viruses I ...
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8answers
46k views

How do I set my DNS on Ubuntu 14.04?

Most of the info I see online says to edit /etc/resolv.conf, but any changes I make just get overridden. $ cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by ...
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0answers
26 views

how to fix a port no statically for client request on client side?

I have an assignment to implement: unicast multicast broadcast in Java socket programming. While implementing the multicast part I decided to do it on my own system itself, so for the purpose of ...
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1answer
34 views

How to change the shortcut directories in Files?

I'd like to redirect the documents, downloads, music, and videos that are on the sidebar of the files application to another location that is in another partition. So far my Internet research have ...
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1answer
23 views

Diagnosing lost network connectivity on Ubuntu

My first question here so please be gentle. :) I have a Linode running Ubuntu 14.04, with a stack managed by ServerPilot.io. Only real modification is that I'm running HHVM in a limited fashion. ...
1
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1answer
445 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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5answers
5k views

How can I upgrade pip on Ubuntu 10.04?

On Ubuntu 10.04 I've used apt-get install pip to install pip after which I installed django. Then I tried to uninstall django with pip via pip uninstall django which gives me: pip: error: No command ...
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0answers
8 views

File transfer help with Ubuntu and ESXi

I have two esxi machines that I want to directly transfer files between. Is there a way I can facilitate that transfer from a third machine that I have Ubuntu 14.04 running on?
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0answers
70 views

Problem in Ubuntu 14.04 monospace font

Up to recently, I was using normal fonts. But suddenly my fonts for code became weirder. I don't know what happened. My font for monospace is set to Ubuntu Mono. I tried setting it to Courier with no ...
4
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2answers
405 views

How do I run a script when I switch between keyboard layouts

I use more than one keyboard layout, and I would like to find a way to run a script when I switch between them. Is this possible? So far, I can assign a shortcut for a script like this: #!/bin/bash ...
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2answers
36 views

Find out at what time my machine got restarted and why?

I have my ubuntu machine which is running Ubuntu 10.10 and that machine is running my app server. I am suspecting that my machine got restarted today at some time but I don't know how to find out at ...
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1answer
79 views

How To Send Terminal Commands To Remote Server After Connecting Via putty? [closed]

In order to listing all batch files and finding the required file from a directory, I am using windows script to connect to the linux server. I can able to connect by passing necessary parameters but ...
1
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2answers
528 views

How to install meld 3.11 in Ubuntu 14.04?

I am trying to get meld 3.11 to work on ubuntu 14.04 I tried following the method below" cd ~ git clone https://git.gnome.org/browse/meld cd meld sudo ln -s ~/meld/bin/meld /usr/bin/meld But ...
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2answers
2k views

Does Linux log when a process is started, and the PID that gets assigned to it? Where can I find that log?

When my Ubuntu server starts up, I see a message that says: kernel: [11.895392] init: failsafe main process (631) killed by TERM signal. I would like to know what process this is but I'm not sure ...
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1answer
112 views

Calls to sync/fsync slow down after 30 minutes uptime

After 30 minutes of uptime using Ubuntu 14.04 with a hybrid SSD I see many processes blocking IO using iotop. This is during disk writes, for example if I open and close an empty file in gedit it can ...
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6answers
10k views

Finding files that use the most disk space

Is it possible to list the largest files on my hard drive? I frequently use df -H to display my disk usage, but this only gives the percentage full, GBs remaining, etc. I do a lot of data-intensive ...
2
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1answer
362 views

Low PPPoE speed in Linux (Ubuntu)

We have 2 PC with Ubuntu 12.04 and connect with 1000M/bit cable. We then start iperf on both PCs and get 900m/bit speed using the iftop tool. However, when we setup PPPoE server on the 1st PC, and ...
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3answers
10k views

How do I find out why cron is not running my jobs?

I'm using Ubuntu 14.04, and the cron daemon is running: # ps ax | grep cron 822 ? Ss 0:00 cron but it is not executing any jobs. I was previously getting entries in /var/log/syslog such ...