Questions tagged [ubuntu]
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 Ask Ubuntu (https://askubuntu.com/).
21,919
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Link-local (zeroconf) networking with multiple hosts/interfaces
I have a machine (hostname foo) with two wired network interfaces, eth0 and eth1. When I connect another host bar to one of them (eth0), I can see in either one's NetworkManager that it's using "Link-...
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Flash 64-Bit UEFI on Intel Baytrail Tablet
Is it possible to flash a 64-bit UEFI on an Intel BayTrail Tablet which currently has a 32-Bit UEFI? I tried to install a 64-Bit Ubuntu 14.04 (which surprisingly worked) but after the installation my ...
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External video card prevents liveUSB bootup
External video card prevents liveUSB bootup
Whenever I attempt to boot any Ubuntu liveUSB with a PCI video card installed, I see the initial ubuntu screen then it reverts to a text screen with the ...
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Not able to run php files on apache server using NetBeans IDE
I want to create a php project using NetBeans IDE. I have set a LAMP server on my ubuntu 14.04. So I had to configure the IDE to copy files automatically to the apache server.I followed this - https://...
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Ubuntu gnome package installation error
When trying to install insight from some ppa repositories i get these errors.
sudo apt-get install insight
Reading package lists... Done
Building dependency tree
Reading state information... ...
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What are the mouse/keyboard sequences for cut-and-paste on Ubuntu VirtualBox?
I have a non-graphical Ubuntu installed inside VirtualBox under Windows.
I've installed VBoxGuestAdditions (and enabled bidirectional Drag'n'Drop - for the hell of it).
However, none of the following ...
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Ubuntu 10.04 | Terminal Freezes on certain commands | MTU
Isolated problem:
I try to cat /etc/rc.local and I can't do anything in the ssh session after that.
I've tried many of the common things, but it seems to freeze on any command, but I can do an ls, w,...
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LVM: "Volume group is not consistent" and "Incorrect metadata area header" but volume still mountable
I'm on Ubuntu 14.04 with a volume group that has 4 disks in it:
Incorrect metadata area header checksum on /dev/sde1 at offset 4096
Incorrect metadata area header checksum on /dev/sde1 at offset ...
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OpenCV: ImportError: libavcodec.so.54
I am using Ubuntu, and whenever I try to import cv2 to python I get the following error:
ImportError: libavcodec.so.54: cannot open shared object file: No such file or directory
I looked online ...
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Alternative versions of SVN subversion on one Linux machine
I work on Ubuntu with several svn java repositories and they have different versions of svn (I can't update svn version on server side).
So is it possible to install old subversion version (1.6, 1.7) ...
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Sublime User Keybindings Error
I am running sublime text 3 on Ubuntu 14.04 LTS.
I added the following line to the user key bindings:
{ "keys": ["ctrl+alt+shift+s"], "command": "save_all" }
Following this forum: Sublime Save All
...
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ubuntu 14.04 trusty: 'apt-get install' silently refuses upgrade package with unsatisfied dependencies
I think, this question is about the same problem. That question is marked as answered, although the problem isn't solved, so I open a new question with little bit more details.
Short description:
...
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778
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cp: cannot stat error - when filename has Asian characters
I am simply trying to copy files using cp -r /home/user/source/ /home/user/destination/ but it throws me the cp: cannot stat /source/filename.xxx error for some of the files. When I searched for this ...
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How can I permanently change the main display on a dual display setup in Ubuntu?
I have two displays running on a PC running the Elementary Linux distro connected to external graphics, a GeForce GT 220. There’s a 23" inch widescreen Haier on the left connected via HDMI, and a 17" ...
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No Mouse-Up for Chrome on Ubuntu VM; other apps fine
TLDR: I have an Ubuntu VM with the latest VirtualBox, and guest additions, and Chrome (installed from APT: google-chrome-stable). Mouse integration seems broken; I can't move tabs around, nor get any ...
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Installing i3-wm overwrote i3gaps?
After cloning i3gaps branch and make && sudo make install, I ran into graphical errors. So I installed i3-wm and went through the installation and entering "N" for each question.
Now, when I ...
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Networking not working on Packer created Ubuntu VirtualBox VM
I'm trying to build a VirtualBox Ubuntu VM using Packer.
My image was successfully created and I configured it to use my Wi-Fi (Mac OS X AirPort) interface for bridged networking. However, after ...
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0
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1k
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hostapd + Ubuntu 14.04 Driver Issue for TL-WN725N v2
I recently purchased a TL-WN725N v2 usb dongle so that it may be used for my Ubuntu virtual machine. My Ubuntu installation seemed to install the correct drivers when plugging in the usb dongle (...
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246
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Is it a good idea to remove Firefox, when it also removes "gnome-core"?
I thought I should remove Firefox since I don't use it, but if I run apt-get purge firefox it says that it will remove gnome-core which seems like it could be needed by other apps on my VNC server.
...
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54
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Is it possible to encrypt full volumes post-boot?
I have a triple boot system with Windows 7 Ultimate, Kali Linux, and Ubuntu Linux. My bootloader is Grub2. Initially, I wanted full disk encryption covering all three installations but I've found that ...
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Unable to view desktop Ubuntu 14.04 LTS
I unable to view anything in Ubuntu 14.04 LTS. I Googled and found apt-get gnome-panel may work but I am unable to connect to Internet without top panel. Tried using some commands in tty1 but it didn’...
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Pushing out hosts to /etc/hosts ubuntu
I'm trying to setup an application which requires entries into /etc/hosts for all servers in the cluster. I'm trying to figure out an easy way to push all hosts to all /etc/hosts files on each server. ...
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How can the application name be changed in Linux?
Can we custom change the name of an application before launching it in Linux?
Suppose the title bar shows name of the application as "Mozilla Firefox", can it be renamed to "Browser?&...
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All input unresponsive during/after games on Ubuntu Linux
The vast majority of times which I fire up a game on my PC, after a period of play time [random, 15 minutes up to several hours] my system will become unresponsive to all input.
It isn't a full ...
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2
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2k
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Windows 7 installer: Select CD-ROM boot type
I am attempting to install Windows 7 over Elementary OS (Ubuntu) on a machine that originally ran OS X. When I attempt to boot to the installer, I get the following message:
.2
Select CD-ROM boot ...
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What to do when "apt-get update" gets stuck in 100%?
I'm setupping a VirtualBox VM to do my development work with Ruby on Rails.
My problem is that apt-get update is taking very long, ~30 minutes instead of seconds.
I can install things with apt-get ...
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1
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Apt doesn’t seem to update package sources when attempting to install Mono on Ubuntu 14.04
I’m currently tinkering with Ubuntu 14.04 LTS in a virtual machine. I have been having success with getting my Samba server set up correctly and I have also set up my FTP service. So the next thing I ...
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595
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Combine free space Ubuntu
I want to "merge" or combine a free space that i have on my main Ubuntu partition, i have tried with Gparted but i can't resize the main partition. This is the results of fdisk -l:
Device Boot ...
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212
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Ubuntu 12.04 doesn't see the second monitor
I've got vanilla Ubuntu 12.04 lts, GeForce GTX560 and Core -i7 2600's integrated card (on desktop based on ASUS P8H61-MX).
The system seems to detect NVidia videocard (lspci shows that there is ...
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Tomcat startup failure with no error output in log that I can find
Sorry, this is long, here is a brief summary: I installed tomcat7 on an Ubuntu 14.04 VPS, it worked (serving the "tomcat was installed" page) until I changed the group owning /etc/tomcat7 to tomcat7 (...
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381
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Ubuntu resolution not detected correctly
I recently installed Ubuntu on a dual boot with Windows, and I'm struggling to make Ubuntu detect correctly my resolution.
I have a 1920x1080 screen, but when I run xrandr, I get this
Screen 0: ...
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360
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Why does Google Chrome (v40) has so many processes open?
I've recently upgraded my Google Chrome to the newest version (38 -> 40) and I'm experiencing system level crashes. This mostly happens when I have two windows and more than a handful of tabs open.
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Open ports with iptables — still closed
I'm trying to open some ports for a gameserver, which is running on my Linux vServer (Ubuntu 14.04 LTS 64bit). The game needs the following ports:
16261 (UDP)
16262 (TCP) // Player 1
16263 (TCP) // ...
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How do I find out which GCC toolchain is installed?
I would like to debug my embedded target with Insight debugger.
The debugging host is Xubuntu 64bit, the debugging target is an ARM Cortex-M4 connected through a JTAG debugger.
According to this ...
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742
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How can I backup my keyring?
I'm currently using Linux Mint 17.1 and I would like to backup all my passwords that I store in my keyring on a LUKS encrypted external drive.
But I would like to know, which files I have to copy to ...
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Can I Safely Delete Ubuntu's /boot Partition?
Here is a picture of my current setup, Picture Here I have two questions. First; Can I safely delete the /boot partition because during the install I chose a lash drive for the boot loader?
Second ...
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300
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Ubuntu: How to set system wide keyboard shortcut independent of sessions?
How can I set a system wide shortcut in Ubuntu? That shortcut (for example, Meta+W) should work even if no user is logged in. If pressed, a command should be executed. I tried xbindkeys but it doesn't ...
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556
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How do I modify the GRUB boot menu?
I have dual boot Windows 8.1 and Ubuntu 14.04. When Ubuntu installed GRUB, it created two entries for Windows 8.1, one for /dev/sda1 and one for /dev/sda2.
How do I change the boot menu entries to ...
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1
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57
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GRUB disabling timeout if PC reboots too often
I have a multi-boot enabled system that has a few operating systems installed on it, and the booting of the actual OS is handled by GRUB initially. I have the following options in my boot menu:
[*] ...
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0
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33
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Ubuntu 10.04 task-bar content not right aligned in virtual box
I installed Ubuntu 10.04 in VirtualBox.
I installed the guest additions.
My display resolution is set to 1920x1080
For some reason, my task-bar content doesn't right align. Have a look at the picture ...
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0
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56
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Pasting code from stackexchange sites loses line breaks using chrome and google doc
This might not be a proper place to ask the question because I found a similar one on a different site -- https://meta.stackexchange.com/questions/11428/pasting-code-from-stackoverflow-to-notepad-...
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I need to recover my drives and make them useable again
I had recently got a computer that a teacher gave me, it had Windows XP on it.
I took out the 2 HDD’s from that PC and put it into a newer PC; a Compaq Presario Sr5100. When I did, I tried booting up ...
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Disk quota exceeded Linux
Before you say this is a duplicate, I have looked everywhere on StackOverflow/StackExchange/SuperUser and couldn't find the answer.
I didn't have this problem up until now. When ever I do any file ...
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Can't install Guest Additions Ubuntu 14 in Vagrant
I am trying to install the Guest Additions in Ubuntu 14, but I always get an error when install Virtual box guest additions. I have installed all the headers. Can anyone point we to what it could be ...
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Ubuntu Server 12.0.4 vsftpd timeout using external IP
I am having a problem connecting to my Ubuntu 12.0.4 server with vsftpd using my external IP. Connecting with local IP is successful. I am using FileZilla for the ftp client. I know there is a bunch ...
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609
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CD/DVD drive not found in VirtualBox Windows 7 guest / Ubuntu host
I'm trying to install Windows 7 in VirtualBox to try an Spanish Version for a customer.
I'm using an ISO file with the Windows 7 image. After the machine is done loading the installation files, I get ...
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814
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NFS4 & VirtualBox: Ubuntu 14.04 host Windows 10 Techpreview client
I have a host OS Ubuntu 14.04 (my main OS). I run a Windows 10 client inside VirtualBox.
I wish for NFS4 to work between them, I cannot see the share in my Windows 10 client. I followed the following ...
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Wired Internet abruptly stopped working Ubuntu 14.04LTS
My Ethernet just stopped working after I might have probably messed up with some of the settings.
I have a dual boot windows 8 and Ubuntu. Internet works fine on windows 8, and used for for ubuntu ...
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permission denied (publickey) but key seems is present
I hope I didn't overlook an answer but so far it seems I'm hitting a brickwall. I'm using VirtualBox on my Mac OS X with an Ubuntu 12.04 guest system. While it works perfectly fine with password ...
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Characters missing when running Ubuntu (security onion)/xMing
I have problems with some characters.
I am running Security Onion (which is an Ubuntu variant) through xming.
Characters
1 2 3 4 w e r t f m
Are not working. All others (to my knowledge) work which ...