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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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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28 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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27 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
74 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. ...
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35 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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2answers
53 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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1answer
137 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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0answers
45 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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2answers
92 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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1answer
116 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
59 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 ...
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1answer
121 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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31 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
35 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
39 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. ...
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0answers
12 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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2answers
47 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
119 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 ...
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67 views

Unable to create a multiboot usb stick with MultiSystem

Installed multisystem on Ubuntu 14.04 for multiboot usb. When I start MultiSystem GUI, is shows me the usb device being mounted on /media/usb0, But when I select and hit confirm, I get the error msg ...
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1answer
37 views

I purchased a Ubuntu-preinstalled, used, Asus Mini Notebook off of Amazon. I pushed the power button while it was installing updates. [closed]

Okay the subject line basically contains my question. I purchased a used Ubuntu-preinstalled Asus Mini Notebook computer off of Amazon. It worked just fine for awhile. Then one day while it was ...
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0answers
128 views

Grub rescue after corrupted hard-drive (“read-only filesystem”)

I run xubuntu 12.04 alongside a NTFS storage partition and a windows 8 partition. I moved my MySQL data directory off the xubuntu (ext4) partition, onto the NTFS partition, and did an import of a ...
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2answers
59 views

Linux for girlfriend [closed]

I want to install Linux on my girlfriend's machine. Her current system, Windows Vista, is about 7-8 years old and pretty slow. She used Windows all her life and to make the change as easy as possible, ...
5
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1answer
140 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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0answers
34 views

Grub 2 - attempting to boot into “Windows bootloader” boots me back into grub

I've managed to dig myself into a bit of a hole. When I boot, I am given the option to boot into Ubuntu or into the Windows bootloader. When I attempt using the windows bootloader, the result is that ...
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0answers
63 views

SSH broken when connected to VPN upon upgrading from Ubuntu 13.04 to 14.04

I need to SSH into a server which is only accessible when I am connected to a VPN (PPTP). Using my Ubuntu 13.03 virtual machine, this works perfectly. First I connect to the VPN, then I ssh into the ...
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2answers
202 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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84 views

How to set LANG in locale, despite it's in /etc/default/locale in ubuntu for unicode support?

I run Ubuntu 12.04, I can't set the locale to en_US.utf8. I set the LANG by configuring /etc/default/locale as described here. $cat /etc/default/locale LANG=en_US.utf8 $locale LANG= LANGUAGE= ...
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1answer
184 views

line 4: 5 + : syntax error: operand expected (error token is “+ ”)

noticing the error mentioned in the subject line when trying to execute the below listed bash script on Ubuntu (53-Ubuntu x86_64 x86_64 x86_64 GNU/Linux) #!/bin/bash read x y echo $(($x + $y)) ...
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1answer
53 views

Ubuntu init script failed - trying to find out more detail about the error

My /var/log/boot.log shows this under Ubuntu 14.04: ... * Starting servicename <br> chown: invalid user: ‘username’<br> No passwd entry for user 'username'<br> * Starting ...
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0answers
45 views

Network connectivity trouble to non-routing multi-homed hosts?

I have two networks: A and B (172.16.2.0/24 and 172.17.2.0/24). A is Ethernet, B is WiFi. An OpenWRT router connects A and B, and most traffic gets passed OK. Default route on router leads to a ...
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0answers
61 views

Nginx leaves old socket

I'm running Nginx 1.6.2 (the nginx-full package from the nginx/stable PPA). I'm using the unmodified configuration /etc/nginx/nginx.conf: user www-data; worker_processes 4; pid /run/nginx.pid; ...
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0answers
20 views

Virtual packages with reprepro?

I have been working on making Zentyal packages possible on the armhf architecture, and finally succeeded in a working build of 4.0 packages. However the installation is quirky as these packages have ...
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1answer
119 views

Jenkins does not use system's locales

I got a interesting behavior in Jenkins. Jenkins' shell does not use my systems locales. Jenkins runs as user jenkins on my system. Logged in as jenkins via SSH: locale displayed: ...
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3answers
62 views

How do I create a utility USB?

I do a lot of work with many different bootable images all on different flash drives. However, it gets annoying to search for a specific drive, plug it in, and use it. Is there a way I can consolidate ...
2
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1answer
42 views

Computer won't restart without recovery mode and mouse is flickering after I added the ppa ubuntu-x-swat/x-updates

I installed Steam a few weeks ago, and it kept bothering me to add the ppa ubuntu-x-swat/x-updates,so I did it yesterday. After I installed it, my computer was fine until I rebooted. The computer ...
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2answers
1k 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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1answer
80 views

Ubuntu on macbook won't boot from USB

I cannot boot Ubuntu from my macbook. I have tried the official Ubuntu walkthrough for creating a USB boot stick (located here: http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-mac-osx ) ...
2
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1answer
91 views

Why does my Cylon Linux Live/Install disc say that it's Lubuntu at install?

I have a "Cylon Linux" live/install DVD that I have used to install Cylon on my desktop. Works fine, install was trouble free. Now I am using the SAME install DVD to install this distro on my laptop ...
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1answer
53 views

I am try to interactively add a user via “useradd”

I am basically trying to write a simple script to allow for interactive use of "useradd" with select options. The options I am trying to allow for specific use are to either be defined interactively ...
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0answers
113 views

Using RAW video encoding with gstreamer & VLC

I'm streaming RAW video with gstreamer like so: gst-launch-1.0 -v videotestsrc ! rtpvrawpay ! udpsink host="127.0.0.1" port="5000" This outputs the following caps: caps = application/x-rtp, ...
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1answer
221 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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0answers
59 views

Opening Nautilus without --no-desktop, on Xmonad on top of Ubuntu, what happens?

I have a standard Ubuntu install with an Xmonad install on top of it [1]. Now, when I run nautilus from the command line a view unexpected things happen. While Nautilus does appear, there is now also ...
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0answers
45 views

chromium-browser processes' cmdline not available in full form

I am running Ubuntu 14.04, with 3.13.0-38-generic kernel on a MacBookPro11,2. (late 2013) I'm trying to get the process ids of all chromium-browser processes, a bit selectively such as only renderers ...
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1answer
128 views

grep: input file 'X' is also the output

I use ubuntu 14.4, and attempt to redirect the output of grep command to a file, but I keep getting this error: grep: input file 'X' is also the output I've searched for this issue and just found ...
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2answers
68 views

Start/stop service script like Ubuntu for RedHat

Is there a .sh script that manages starting and stopping the service like Debian/Ubuntu but for Red Hat/Fedora? Looking to place it into the file running some software.
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181 views

How to troubleshoot and fix Wifi driver on Wandboard DUAL?

Environment Wandboard DUAL C1 Ubuntu Trusty using these instruction Issue I was able to install Ubuntu Trusty and I am failing to get the Wifi driver to work. root@ubuntu-armhf:~# uname -a Linux ...
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1answer
35 views

Software packaging for RedHat similar to Ubuntu

I'm currently helping a professor who is having trouble installing a particular software onto the school's server which runs on Red Hat/Fedora. The professor thinks that the software was packaged for ...
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143 views

Post installation error: no such device . grub rescue

I installed ubuntu 14.04 as the only operating system on a computer with 1 hard disk and chose the following partitioning: sda1 (fat32) for EFI sda2 (ext4) for /home sda3 swap sda4 (ext4) for ...
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1answer
40 views

Why are --older-than and --younger-than killall options missing in RHEL/CentOS?

I've experienced this issue in cleaning up scripts written by developer who were writing for Ubuntu systems, as well as ServerFault questions like this. Is there any reason the -o, -y (--older-than ...
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1answer
53 views

Setting Solarized colors on a Vagrant Ubuntu Box

I am trying to set the colors of my Ubuntu Box to match the 16 colors palette of the Solarized color theme. I have installed Ubuntu 14.04 Server, no GUI option enabled. When I ssh into this VM and I ...