Ubuntu is a free open source operating system based on the Debian GNU/Linux distribution. Consider using http://askubuntu.com/ to ask questions about it.

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Debian 8 Installer (partman) doesn't detect Hard Disk Drives on Ultrabook, but all other linux commands (fdisk -l, lsblk…) does detect

I'm installing Debian 8.0.0 and 8.1.0 (both amd64) on a Ultrabook (Dell Inspiron 14z 5423) which has both a SSD and a SATA HDD. During the install, when it asks for partitioning, I choose "manual" ...
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1answer
34 views

Ubuntu stuck after log in

I'm using Ubuntu 14.04 on Vmware. After I put my password to log in, It just stuck like the screenshot below. Any suggestions? or something to reference?
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2answers
47 views

How to access shared host files on virtual machine?

I have set up an Ubuntu 15.04 as a Virtual Machine with Oracle VirtualBox. I am running a LAMP server stack on that machine. As I want to develop on my host machine, I mounted a local folder on my ...
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1answer
140 views

Unable to start ubuntu 15.04 in Virtual box

The installation went smoothly. But after the first reboot, the distro fails to startup. It is all I see in my screen Virtual box version is 4.3.28 r100309 (Latest as of the time of writing) Here ...
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1answer
58 views

Running Teamspeak server at startup and shutting down teamspeak at shutdown

I'm new to linux, and i have a Teamspeak 3 server on a Ubuntu server. I would like to make the server auto start and stop when the system boots and shuts down. I understand that i need to make scripts ...
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3answers
70 views

Maximum RAM for my Ubuntu and laptop?

My laptop is Thinkpad T400, and running 64 bit Ubuntu 14.04. I wonder if there is no limit of the RAM size that I can use in my laptop? Now I am running Windows 8.1 in VirtualBox, which takes 2GB ...
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2answers
41 views

SFTP works but FTP not

i can connect successfully to my server using SFTP, but I try to connect using FTP and i get incorrect password error. I am using vsftpd on an ubuntu 14.04. Is there a reason FTP is doing that for ...
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0answers
19 views

Forwarding incoming emails from my server to gmail

Is it safe to forward all incoming emails into my server out to another of my public account, say on gmail? I mean will there be any possibilities that I or some hackers will create a loop between my ...
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2answers
24 views

Ubuntu: how to remove emacs 23 data files

I had emacs 23 installed via apt-get, but I want to remove it completely before upgrading to emacs 24. I did sudo apt-get remove emacs* to remove emacs 23. But some emacs 23 files remain. locate ...
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1answer
50 views

ESC and Backspace not working in VirtualBox on Windows host via VNC

I have run into a strange problem. I have a remote host running Windows 7. A VirtualBox VM instance is running Ubuntu. The host runs a TightVNC server. The Ubuntu desktop is also VNC-enabled. On a ...
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1answer
35 views

Picture SOrting by filename [closed]

I am looking for a program or something that can/will sort pictures I've taken into folders based on their filename. The pictures I take have their date as a file name. So I'm trying to have them all ...
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1answer
17 views

Save and restore xfce power management settings

Where are xfce power management settings saved? Whenever I installed a new XUbuntu, I have to go through the same motion of tweaking each of xfce power management settings, e.g., when laptop lid is ...
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0answers
12 views

Trying to set Alt Gr+Keycode 50 to backslash

I've just started running Linux Mint, However I'm using a slightly different keyboard hardware wise. It had a multitude of issues in the start, such as Shift being mapped wrongly, atastrophe/asterisk ...
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0answers
32 views

USB HDD replace by “ubuntu” in boot order

After installing Ubuntu, it seems that USB HDD has been removed from the boot configuration entries. In the GRUB Boot Menu, I only see: ubuntu Windows Boot Manager SATA HDD: SATA CD: USB CD: USB ...
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1answer
46 views

How to set path for sudo commands

If I issue sudo my-command how does Linux look for that my-command? The my-command is in my PATH. I can invoke it without any problem. However, when I invoke it with sudo, I'll get command not ...
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0answers
55 views

Force check all file systems in Ubuntu

How to force check all file systems under Linux/Ubuntu? My newly installed Ubuntu 15.04 Vivid stops booting after the suspend/resume failed. Is there any easy way to force check all the file systems ...
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0answers
28 views

Aircrack show unknown chipset in ubntu 14.05 having dell wireless 1704

Aircrack show unknown chipset in ubntu 14.05 having dell wireless 1704. When I type sudo airmon-ng and it for airmon-ng start your_physical_wifi_int ifconfig -a airodump-ng mon0 It displays ...
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2answers
362 views

401 error when accessing Plex Media Server

Quick rundown, I have setup an AWS ec2 instance running Ubuntu 14.04. I have installed Ples & I have opened the necessary ports (both in the security groups & through the firewall) for Plex. I ...
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1answer
20 views

Display Formatted Mounted Partitions

How can I display current mount points with a custom format? I tried sending the output of mount through sed, but the slashes, parentheses, and other symbols get confusing quickly. I can't quite get ...
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1answer
123 views

Configure Sendmail Server to accept external incoming emails

For security reason sendmail is by default configured to accept connection from local system (127.0.0.1), to avoid open mail relay problem. But, How do I force sendmail to accept mail from the ...
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0answers
17 views

How to monitor HP printer usage on Linux (Ubuntu - hplip)

We have several HP network printers, including some high-end color ones, installed under Ubuntu which is the standard desktop. Now anyone can print as many pages as they want and there is no tracking ...
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0answers
60 views

Nothing will launch in VirtualBox Kubuntu 15.04

I installed Kubuntu 15.04 in virtual box on a Windows 7 Pro 64 bit host. It installed fine and so did guest additions. However, when I boot up the machine, I am able to log in, but when trying to ...
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35 views

Virtualbox Ubuntu - How to make VirtualBox use host's internet

Host: Windows7 Guest: Ubuntu via Virtualbox So I have a proxy on my host because it's a computer at work. However, based on the .pac file that IE has listed, I THINK it requires specific origins for ...
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21 views

Unable to install tata docomo photon+ GUI application on Ubuntu 14.04

I have two systems running Ubuntu 14.04. I have Tata Docomo Photon+ device (EC156). When I plugged in it in system, it was not detected automatically. So I copied the installation files from photon+ ...
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1answer
28 views

I cant get into my Ubuntu 14.04 server running in virtualbox via SSH from teraterm

I am using bridged network connection for the virtualbox server. The interface eth0 doesnt have IP and the IP shown at virbr0 is out of my host network. I cant even ping from my PC running windows 8 ...
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0answers
61 views

Winbind not enumerating users and groups of trusted domain

I'm using Samba 4.1.6-Ubuntu in Ubuntu 14.04, for authenticating users from two domains with a one-way cross-forest trust between them. Samba machine is joined to DOMAINA, while DOMAINB is the trusted ...
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1answer
32 views

Can rootkits and malwares affect a live ubuntu usb with no peristence?

Can rootkits and malwares affect a live ubuntu usb with no peristence ? Can any malware possibly persist and affect all the sessions ? Also, can it affect current session if it cannot persist ? I am ...
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1answer
46 views

Command to save and restore partitioning under Linux

I know we can use sfdisk to save and restore partition tables. Save: sfdisk -d /dev/sda > part_table Restore: sfdisk /dev/sda < part_table But is there other command line tools to save ...
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0answers
123 views

No HDMI output on Debian 8 laptop

WHAT DOESN'T WORK: I'm running Debian 8 on a Dell M4800 laptop and I'm unable to get it to talk to a new external monitor via either HDMI or DisplayPort. The Debian 8 (Mate) Live USB also does not ...
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0answers
23 views

External hard drive corruption odd behavior

I have a 750GB External HD, formatted exFat. I accidentally disconnected it from my Mac OS X Yosemite without safely "ejecting" it first. It would no longer mount on my Mac. I tried "Verify Disk" ...
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0answers
26 views

Computer behaving erratically at or after startup

For almost a two weeks now, my desktop has been behaving very strangely and I can't find the cause. After startup, the screen will get blurry lines and all the other peripherals will freeze and become ...
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1answer
42 views

Windows 7 - Can't get virtualbox ubuntu to connect to the internet

I'm connected to my work's wireless network, and from there I am connected to a VPN (of my company's main campus). I am trying to set up VirtualBox to allow Ubuntu 14.04 to connect to the internet, ...
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2answers
72 views

Crontab + Forever + node.js + NPM

I cant put my crontab to work. I'm on Ubuntu 14.04x64 So, this is what I did: .root .pw .sudo apt-get update .sudo apt-get install nodejs .sudo apt-get install npm .curl ...
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1answer
57 views

Unformatted Seagate SATA 3.5" internal hard disk casing to recover data

I used to have a desktop which was running on a 160GB internal hard drive. I moved cities, so I ditched the desktop and took out just my internal to the new place. The disk has Ubuntu 12.04 installed ...
2
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1answer
27 views

Use a ubuntu laptop as a WiFi reciver for my windows desktop

My laptop runs Ubuntu 15.04 on a Live USB because the hard drive died. Desktop PC doesn't have WiFi and runs Windows 8. I'd like to play some CS:GO on my desktop PC. Is it possible to just use the ...
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1answer
28 views

Upgrade multiple systems

I have Linux Mint Petra 16 on two machines. I want to upgrade the to Qiana 17 (or Rebecca 17.1). The update process as I understand is, changing the source repo from Petra to Rebecca, and ...
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0answers
58 views

Triple-Boot Windows 7, 8 and Ubuntu 15.04

I bought my computer with Windows 8 installed and I've dual-booted it with Ubuntu 15.04. My computer has an mSATA drive which complicated the process of dual booting ubuntu but I got there eventually. ...
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0answers
57 views

Rstudio freezes when clicking global options

I've recently installed Rstudio 0.99.441 on Ubuntu 14.04. I have installed the latest version of R (3.20). I want to change the background color of the console, but each time I press tools -> global ...
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1answer
19 views

Cairo-Dock: is it possible to ungroup windows?

Very simple question: how to I ungroup similar windows in Cairo-Dock? I wanted to have my Pidgin contacts list separate from my chat window, so I can open each of them through one interaction only - ...
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1answer
65 views

How to detect which program is leaking memory

I am using ubuntu 15.04 and my idle memory usage is usually around 1GB, recently I've been getting memory allocation failed from node. I noticed after a day or two my idle memory goes up to 4GB. I ...
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2answers
58 views

Init.d service not respawning after kill

I have the following init.d script running on Ubuntu 14.04 # Logstash Service description "Logstash" start on (net-device-up and local-filesystems and runlevel [2345]) stop ...
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1answer
56 views

start ddclient as daemon with systemd

I'm trying to start ddclient as daemon in my Ubuntu 15.04, which now uses systemd, but was unable to even following the Ubuntu wiki at https://help.ubuntu.com/community/DynamicDNS to words. I've ...
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2answers
57 views

Boot from a DVD with an ubuntu iso on a PC with no OS

I got a 32 bit computer from my school and I fixed it up with a graphics card and HDD (cause the school took them out before giving it to me). Obviously a brand new HDD has no OS so I've tried booting ...
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1answer
91 views

How to upgrade max screen resolution on Ubuntu

00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. ...
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1answer
50 views

Asking for another user's password when using sudo

I'm running a home automation package called HomeSeer on a Ubuntu 15.04 server. I have it configured to run with a service account (called "_homeseer"), and I've chown'd the app directory to ...
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1answer
48 views

System hangs when using too much RAM even with swap off

When I run a piece of python code that uses too much RAM, my computer would start to swap so badly that I had to do a hard reboot. To fix this I turned off swap assuming that the OOM killer would ...
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0answers
27 views

Ubunbtu 12.04 iptables error after upgrading kernel to 3.4

I been using Ubuntu 12.04 for well 3 years and using it with kernel 3.2. I decided to upgrade to kernel 3.4 because some freezing problems starting to occur more and more. Well the update went well. ...
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1answer
100 views

usermod returns “group 'thegroupname' does not exist” for known group

As a member of sudo can I add myself to a group I don't belong to? $ getent group thegroupname thegroupname:x:123794798:administrator,users,auser,moreusers,manymoreusers $ sudo usermod -a -G ...
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0answers
13 views

How to make an extended partition not rely on any other partition

So I am currently trying to figure out which windows os is my faviorite. I am doing lots of works on deleting windows and reinstalling, etc. But I also have ubuntu installed on an extended partition. ...
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332 views

Format 64gb SDXC card as NTFS file system

I've tried using Windows (8), Linux (Ubuntu 14.04), and Android (Samsung Galaxy S4) to re-format my old SD card. It is currently formatted in exFat, and it seems that during an rsync 3 of my music ...