Free, open-source operating system based on Debian GNU/Linux. Ubuntu questions are on topic here, but if you prefer an Ubuntu-only audience there is AskUbuntu.com.

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Hostapd requires manual restart for devices to connect

I am currently setting up a WiFi hotspot for the padres using their NAS with WiFi card. Setup: Ubuntu 13.10 Hostapd is bridged with eth0 (br0), and works great if manually restarted sudo service ...
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4 views

Sudo: effective uid is not 0 in chroot

I have a chroot environment set up under Android, this chroot is running Ubuntu, for a long while everything was running just fine. However now when I chroot into the environment with: busybox chroot ...
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Writing .img to USB using dd results in corrupt primary GPT header

I have a 64GB USB 3.0 drive that I plan on installing bootable operating systems to for sysadmin purposes. My primary operating system is Mac OS X 10.11. I have a copy of ...
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1answer
7 views

DB2 how to grant SYSADM

The SQL command GRANT SYSADM TO db2inst1; fails with the following message: Error: DB2 SQL Error: SQLCODE=-707, SQLSTATE=42939, SQLERRMC=SYSADM, DRIVER=4.19.49 SQLState: 42939 ErrorCode: -707 ...
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Ubuntu Server slow NAS connection “Server <Nas> Has not responded in 120 seconds. Reconnecting…”

My newly built Ubuntu server was running fine until I had a power outage. Now, I am overloaded with these "Server Nas has not responded..." error messages everywhere I look, but all other computers on ...
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1answer
18 views

How I'm able to use the virtualbox on the ubuntu 16.04LTS?

I tried to install from the site of the virtualbox 5.0.20. And I made the file of virtual machine. Then I set the ISO file of ubuntu 15.10.amd64. So I tried to start the virtual machine. But that ...
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1answer
15 views

Compile and Install Gedit from Source on Ubuntu

It is pretty obvious what I need to do, but below are the details just in case. I want to install and configure Gedit's latest version into my Ubuntu 14.04 Trusty tahr along with installing it's ...
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15answers
165k 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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Instant log out in Samba and winbind

I'm trying to log in to my domain with ubuntu, i already configured samba and winbind, the login seems successful, but when it logs in, instantly it logs out... Click to view image And then it just ...
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2answers
6k views

How to see whether my HDD is “advanced format”-capable and if yes, what to modify?

I have a WDC WD5001AALS-00L3B2-type hard disk drive: Western Digital Caviar Black, 500 GB SATA-2 with 32MiB cache. I have came across this Advanced Format, and I am not entirely sure whether my hard ...
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1answer
15 views

Feasiblity to host Tor Hidden Service in Amazon EC2?

It seems that it is possible to host a Tor Hidden Service (like an Onion website) in Amazon EC2, but is it feasible to do so? Is Tor allowed to run in Amazon network service? Assuming I use Ubuntu ...
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1answer
11 views

“gpg2 not a key id: skipping” when trying to download public keys

I downloaded Ubuntu 16.04 to run on VirtualBox (Windows 10 host). I would like to verify the download (Ubuntu instructions). From the instructions: Tip: On non-Linux systems, you might need to ...
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1answer
36 views

Is there a program that can expand a hard drive partition by adding online storage?

I want to enlarge a local partition by adding online storage but I know no such provider. I use Win 10 and Ubuntu 15.10. On Ubuntu I only have 15 GB left on my largest partition. Is it possible to ...
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1answer
1k views

Access Western Digital My Book World II RAID array on my Ubuntu Linux

My WD My Book World II (Blue Rings) NAS has overheated, I think the motherboard is dead. I extracted the disks and plugged them in my desktop PC running Ubuntu Linux. The disks seems to be alive, ...
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1answer
17 views

Azure dns does not resolve

I have started building a small application in an Azure VM. I want the VM to host a website which will be working as a portfolio. The thing is - neither the IP nor the DNS given by Azure resolve in a ...
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0answers
51 views

Ubuntu 14.04 - CPU load 100 percent

I haven't run/install anything since about a week ago, but yesterday when i logged on my laptop, and feel anything are slowly. So i checked CPU use with htop, everything went down. Some process use ...
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0answers
27 views

AWS Ec2 sending out > 10TB a month

I have received some alerts from AWS that my instance is sending out large amounts of data to some websites. Close to and greater than 10TB a month. I have wordpress and apache installed on this ec2. ...
2
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1answer
23 views

USB does not boot when trying to install Linux on my Asus EeeBook X205TA

I already made this question on the AskUbuntu (link) community, but had no good answers/help. So, here I am. I am trying to install Lubuntu on my Asus EeeBook X205TA that came with Windows 10 Home ...
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1answer
31 views

Track the calls of a command

To quickly explain the goal of my question, I use Ubuntu mate with an apple keyboard. To make the keyboard working properly, I had to remap some keys using xmodmap, such as interchanging the #/@ with ...
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0answers
16 views

Migrating to a new Machine

I recently assembled a new workstation at my workplace. The current one is really old, (~3 years). On the software front, the current system is running Ubuntu 14 and has a lots of bits and pieces ...
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1answer
19 views

Ubuntu Server gets kicked off LAN periodically / when another device joins LAN

I'm running into an issue with my newly created Ubuntu server. Full Disclosure: I'm pretty new to both networking and Ubuntu, so I may have missed any basic setup step that would address this ...
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0answers
13 views

rsyslogd: How to prevent logging in the /var/kern.log file and redirecting to another file?

I am trying to redirect iptables log to another file. Based upon my reading on the net, I did the following: In my iptables rule, I have rules like: iptables -A INPUT -s ... -j LOG --log-prefix ...
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1answer
12 views

Why isn't the latest version installed from the PPA as advertised?

I have the ethereum PPAs enabled http://ppa.launchpad.net/ethereum/ethereum/ubuntu http://ppa.launchpad.net/ethereum/ethereum-dev/ubuntu http://ppa.launchpad.net/ethereum/ethereum-qt/ubuntu I have ...
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5answers
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How can I connect via SSH (Putty) to my VMWare machine (Ubuntu)?

I'm trying to connect to my VMWare (Workstation 7.1.3) machine (Ubuntu Lucid) via SSH. I've read through some other posts, but I can't figure this out. I ran ifconfig, and got a inet addr: and Bcast ...
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Windows 10 fail to boot with 0xc0000001 error code

Introduction Hello, I'm running multiboot installation on machine with UEFI. I have Windows 10 and Ubuntu installed, managed by Grub at startup and I have laptop working like this for about half a ...
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1answer
4k views

Checking Firefox version using cmd returns an error

On checking the version of Firefox using firefox -v, I get the following error. (process:12746): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed Mozilla Firefox 31.0 I ...
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7answers
56k views

How to access a network folder in Ubuntu using the terminal

I am new to Ubuntu(and Linux for that matter) and I am trying to access files using the terminal. The network folder is on my Desktop, but when I go to the Desktop folder via the terminal, the ...
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7 views

Ubuntu guest OS display is not fitting to screen in virtualbox

enter image description hereI have ubuntu OS runnning in virtualbox. When ubuntu starts it does not fit to the screen infact it is bigger than the display and I need to use scroll bar to navigate to ...
6
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1answer
817 views

Chromium Render SPU tab stuck above VirtualBox task in Win10

Background: I use Win10 and I run Ubuntu 15.10 on a virtual machine via VirtualBox. Each time I run the VM, after about 1 hour, another tab is being added to its icon in the Win10 taskbar: Note ...
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1answer
257 views

After closing the ssh terminal, the thin server is down

I have a rails project run on the thin server(1.3.1) on a Ubuntu server. I connect with SSH to the server and start thin with command thin start -C config/thin.yml, following the thin.yml: port: 3000 ...
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10 views

Cant get systemd to prompt for password (on Ubuntu 16.04)

I'm struggling mightily with systemd. I'm wanting it to prompt for a password during startup. It does not provide me with a prompt. I have tried multiple variants to get this to work - I currently ...
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0answers
11 views

CMAKE missing internal variables

I am trying to compile a library called linphone-android, the source files come with a prepare.py file that autoconfigures and makes the project along with its submodules into Jni Libraries. The ...
2
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1answer
221 views

How to make Nginx virtual host work? (page not found)

Running Ubuntu 13.10 in VirtualBox. I've put my website in this folder: And created the log folder on /srv/www/streamsy.com/logs/. I've done these steps: sudo apt-get install nginx sudo chown -R ...
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1answer
33 views

CPU utilization - not getting load balanced

On Ubuntu 12.04 mysqld is using 100% of the CPU and I am wondering why it is not being load-balanced among the 4 cores. Is there way to do it manually? Or should I optimize MySQL?
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1answer
3k views

Sync iPhone in Ubuntu 11.04

I want to sync music on my iPhone 4 (version 4.3.3) with Ubuntu 11.04. Is there any working way to do that? I've already tried Amarok, Banshee, and iTunes on wine. None of them work.
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1answer
6 views

lost virtualenv display to the left of bash prompt

I added thy Holy prompt to display my current branch so I never push to master. We all use it and it works, but I am no-longer seeing what virtualenv I'm using at the moment, which is a hassle. Based ...
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0answers
43 views

VirtualBox crashes Ubuntu 16.04 vm's

Host: xubuntu 16.04 amd64 Guests: xubuntu 16.04 and lubuntu 16.04 The vm crash right away when booting for the very first time from the desktop iso's. The screen gets garbled. And that's it. The ...
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2answers
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Change xampp apache htdocs directory to access localhost from ubuntu and windows

I'm using ubuntu and windows 7 dualboot,and have xampp installed on both I want to have access to one localhost directory whether I'm using windows or ubuntu. both systems are installed on the same ...
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3answers
27k views

Manually configuring proxy settings of Google Chrome on Ubuntu

I have an application that needs to change the proxy settings used by Google chrome, then use the browser and then automatically switch back the proxy to what it was. I have been unable to find where ...
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0answers
7 views

Preserve Ubuntu/Win7 dual boot after moving/resizing current Ubuntu partition

I have Win 7 and Ubuntu 15.10 dual booting at the moment. Windows XP on sda1 is what I am trying to get rid of, so that I can then expand sda2 LEFT and resize sda6 (Ubuntu) LEFT to give me more room. ...
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3answers
16k views

username is not in the sudoers file. This incident will be reported

I am running ubuntu 12.04 on my laptop using VMware Player. I am not sure why but I have an account called "User Account" in addition to my account that I usually login to use ubuntu. Well that was ...
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1answer
18 views

mount http host as local dirctory something like curlftpfs

Is there any way to mount a HTTP host as local directory .so we can mount ftp host as local directory using curlftpfs.Is there any option for HTTP.Thanks in advance
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1answer
8 views

Debian apt: is there a single command to install and mark as auto?

Sometimes it is useful to install an optional dependency in the following way: apt-get install foo apt-mark auto foo Is there a single apt command to do it in one shot?
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0answers
8 views

Install Ubuntu with PXELinux on Raid0 machine

I have built a server that give tha ability to install several Linux distro over the network. Everything works well but with Ubuntu 14.04. I used this guide : ...
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1answer
74 views

Ubuntu, battery is never fully charged

I installed Ubuntu 16.04 in a Lenovo thinkpad e550 and i have a problem: the battery doesn't charge, the icon on the panel doesn't indicate it's charging, and in "Power Statistics" -> "Laptop Battery" ...
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45 views

Ubuntu 16.04 freezes on loading installation from bootable USB

My laptop is ASUS N552 Cpu : i7 6700 skylake Gpu : nvidia gtx960m dual with intel hd graphics Its working fine with windows 10 but when i try to dual boot it with ubuntu it freezes at ubuntu loading ...
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1answer
14 views

Can not connect to WiFi from win8, but can from ubuntu

I had an eduroam account(from the university) which I was connecting to successfully. Now I moved to another city in Germany and again they have eduroam network. When I am connecting and giving my ...
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1answer
5k views

uninstall libc6 package by dpkg

I have install "libc6_2.17-0ubuntu5.1_amd64.deb" on my ubuntu server 12.04. The orginal libc6 on system is 2.15. After install the package, I check it by: ldd --version it shows: ldd (Ubuntu ...
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2answers
21k views

Can't connect to FTP server: 425 Unable to build data connection: Connection timed out

I have a Windows 7 installed on my laptop. I installed VirtualBox 4.1.4 with Ubuntu 11.10. I'm trying to connect to my site via FTP but I got an error when I do ls: ~> ftp <my_site> ...
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1answer
36 views

Ubuntu 14.04.4 LTS Ethernet not working

I have installed Ubuntu 14.04.4 LTS on my desktop PC and immediately Ethernet goes off. That's my network configuration and some outputs: $ ifconfig eth0 Link encap:Ethernet HWaddr ...