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.

learn more… | top users | synonyms

1
vote
1answer
881 views

Airdrop Protocoll in Linux

I know there are already some existing posts out there but they are about Macs. So I try to reverse engineer Apple's Airdrop Protocol with a Ubuntu machine. For Mac there is a program called ...
0
votes
0answers
9 views

Dell Vostro getting no sound from headphone jack

I've just installed ubuntu on my machine which was already running win 7. Now I cannot get any sound from my audio jack when i connect an earphone. However if i can get sound from my speakers. Has ...
0
votes
1answer
23 views

Thinkpad x220 restore factory settings after installing ubuntu

I've been using ubuntu in dual boot for a while now and it works great. I've got a new laptop and I want to bring my old x220 to factory settings. The problem is that I can't find this option. ...
2
votes
1answer
29 views

How to get back hosts file after accidental deletion

I made a mistake and accidentally deleted hosts file from my system and cannot figure out how to get back my hosts (/etc/) file, when I do sudo service apache2 restart It's showing: sudo: ...
1
vote
2answers
290 views

How to boot Linux and Windows - Windows as Default OS

I have a dual boot system that works great. I have CentOS (grub) and XP 64 on one disk and XP on another disk. The Linux boot loader asks me which system to boot, but if I reboot and forget to hit a ...
-1
votes
1answer
30 views

Installing packages on Ubuntu 13.04 after end of life

So I'm aware that Ubuntu 13.04 has reached end of life, ignoring the fact that I should update to the latest version for the best support, is there a way (aside from apt-get install {pkg}) to install ...
0
votes
0answers
16 views

Getting Razer Blackwidow macro keys on linux

I've read Getting macro keys from a Razer BlackWidow to work on Linux and the python script didn't work for me so I compiled the haskell from source. I changed my product ID in main.hs and everything ...
0
votes
1answer
4k views

How to autostart OpenVPN (client) on Ubuntu 12.04 CLI?

I have an *.ovpn file that works if I type in: sudo openvpn filename.ovpn. Now I would like to start up OpenVPN when I boot the computer. It's a headless version of Ubuntu 12.04 64-bit if that ...
2
votes
2answers
2k views

Can’t SSH to Ubuntu guest from Mac OS X host

Brand new Ubuntu LTS 10.04.2 install (and updated), with sshd running. I added a host-only adapter. And configured it like this: auto eth1 iface eth1 inet dhcp I can ssh from the guest to itself ...
0
votes
2answers
55 views

Cron Job not running in Ubuntu 12.04

I created a cron job in my console in Ubuntu 12.04) by using crontab -e: 10 09 * * * /home/ram-pc/Desktop/bala/personal/dump.sh But it is not running. When I save it is installed correctly without ...
2
votes
0answers
19 views

Issue generating redmine report in PDF

I am using Redmine for issue tracking and now I need to generate a report of all the issues and their states. The problem is that, when I press de PDF button at the bottom of the issue list, to ...
1
vote
1answer
51 views

Linux user in group can't cd into directory with executable permission

ok, someone suggested I try SuperUser. Here goes... I have user 'frances' that is a member of group 'pc', but cannot cd into a directory called pc, owned by pc and with executable permissions for ...
1
vote
3answers
27k views

How to remove write protection from sandisk cruzer switch pen drive?

I have a sandisk cruzer switch pendrive. It is write protected. I want remove that write protection. I did Google very much i am not getting how to remove it. I tried on mac also but it didn't worked ...
0
votes
0answers
16 views

LDAP configuration is not working for redmine

We have a set of ubuntu machines which authenticate using LDAP. I have installed redmine application in one of the ubuntu machines and configured using the redmine ldap configuration. It seems to go ...
2
votes
2answers
63 views

How do I permanently reset the UUID of an LVM partition?

A (dd cloned) backup of my boot partition left me with duplicate UUIDs. blkid shows: /dev/sda1: UUID="32579810-0388-416d-bb49-7031ac2c2975" TYPE="ext4" ... /dev/mapper/raidgroup-osbackup: ...
0
votes
0answers
14 views

Can't scroll back after cat with mosh, tmux and iterm2 setup

My setup is the following: https://filippo.io/my-remote-shell-session-setup When I do apt-get update on my server I can see all the output and am also able to scroll back as I expect. When I do cat ...
0
votes
0answers
23 views

Standalone EXE not running with Wine

So, I'm running a system with Lubuntu and a application that I developed on a windows PC needs to be able to run on Lubuntu. To clear a few things up, I'm having to run Lubuntu cause the system I'm ...
4
votes
1answer
2k views

Windows Broken after Deletion of HP_TOOLS partition

When I decided to install Ubuntu on my laptop as a dual-boot, I recognized that Windows 7 was using four separate partitions. I (yes, this was stupid) thought the HP_TOOLS partition was probably one I ...
0
votes
0answers
26 views

Mount SharePoint Online (Office 365) in Linux

We have started using SharePoint Online included with our Office 365 subscription. Our windows users can install software that automatically syncs the Shared Documents from SharePoint to their ...
0
votes
0answers
21 views

Username/password authentication that works on Windows but not Ubuntu

At my school, we have to authenticate the the wireless network using a username and a password. Windows seem to handle much of the process automatically, so that the user only has to supply the ...
0
votes
0answers
11 views

Print from an Ubuntu virtual machine

I can print from my host Operating System, Windows 7 no problems at all. In LibreOffice I simply click print, select my HPPrinter and it instantly prints. In my Ubuntu virtual machine, if I go to ...
0
votes
1answer
26 views

Is there a way to stop root logins from the initial login screen without locking root account?

I'm experimenting with different settings for my machine with Ubuntu 12.04. I'm trying a login screen that requires typing in the username first, and then the password, instead of listing the users, ...
0
votes
1answer
2k views

Code::Blocks can't build / Compiler error?

My problem is that when I try to run anything on Code::Blocks it says: "It seems that your program hasn't been built yet". After I try to build it this pops up again. I have seen a similar question ...
0
votes
1answer
17 views

VirtualBox mouse issue

I am using virtual box on ubuntu 14.04 LTS. I have tried with it Ubuntu 4.10, 5.04 and android x86. With all of them I have the same problem: After it says "Yor guet OS support mouse indergration", ...
1
vote
0answers
13 views

I get three related errors when trying to push a commit to github concerningproc/10/exe. What should I do?

When trying to commit to github I get these errors after I type the command $ git add . $ error: readlink("proc/10/exe"): No such file or directory $ error: unable to index file proc/10/exe $ ...
0
votes
0answers
64 views

Getting WARNING: Failed to associate with BSSID using River 1.4 on Ubuntu 14.04

I'm trying to user Reaver to get the password of a WPA2 protected connection. I have Reaver 1.4 and Aircrack-ng installed on my Ubuntu 14.04. When I run $airmon-ng start wlan0 I get Found 5 ...
0
votes
0answers
60 views

Lenovo Yoga 2 Pro Dual External Monitor?

I have a Lenovo Yoga 2 Pro, which has a USB 3.0, 2.0, and a micro-HDMI port. I currently have 2 external monitors that I wish to connect. I'm using a micro-HDMI to HDMI adapter to connect one of ...
0
votes
0answers
13 views

'Use a device' missing a USB option

I have a preinstall of Win 8.1 Dell XPS 15 MY2014 I am working on going to a dual boot with Ubuntu as my second. I am trying to boot from the uSB while in EFI mode. I have hit the shift button ...
0
votes
1answer
18 views

Low TPS using Virtualbox + Ubuntu + Nginx + PHP-FPM + Silex

I am trying to understand why I get such a low TPS rate on my development environment. I am using the following: Mac OS X Mavericks VirtualBox Ubuntu 14.04 Nginx PHP5-FPM Silex I did not tweak ...
3
votes
2answers
2k views

gcc running out of memory in Ubuntu 12.10

I'm trying to compile my C project in Ubuntu (32bit) running in VirtualBox. Compiling the code in question requires quite a bit of memory, at least 3 gig. So I gave the VM 2 gig. Along with 2 gig of ...
2
votes
2answers
97 views

ubuntu: gmail.com does not accept mail sent from the command line

In my ubuntu trusty sending email on the command line (mutt, mail, mailx, or sendemail) works fine, except when sending the mail to any of my two @gmail.com addresses. Mail does not arrive there, ...
0
votes
0answers
15 views

How to re-enable wlan0 after backports disabled it

I have a PC with Ubuntu 14.10 and I tried to install backports following the instructions here (except for cooked monitor interface, compiling my own, and I couldn't check if I had ath10k firmware, I ...
-1
votes
0answers
81 views

Headphones not working on Ubuntu 14.04

My headphones are not working on my Ubuntu 14.04 partition, but they work on my Windows 7 ones. What happens is once I plug my headphones in, they are detected by the OS, but I can’t hear a thing. ...
0
votes
1answer
40 views

How to get this interface in Ubuntu 14.04?

I've wondered this for a while now. Whenever I see any official Ubuntu images, I always see at least one with the following tablet interfaces: I just installed Ubuntu 14.04 the other day, and I'm ...
0
votes
0answers
31 views

Ubuntu disables ssh login permanently after changing sshd_config

So I have been trying to follow this guide and so far I have wasted ~5 hours launching Ubuntu 14.04 instances to try different setup every time, the issue is basically quite common but non of the ...
1
vote
2answers
5k views

XDG_RUNTIME_DIR not set in the environment

I open a terminal and use sudo -s -u mysql. Now when i try to open a file, whose owner is mysql using gedit xyz.err, I get the error : No protocol specified ** (gedit:23076): WARNING **: Could not ...
0
votes
0answers
25 views

Mounting EBS volume on Ubuntu 12.04 taking long time

I have written one shell script which Checks if volume has file system on it or not Formats the volume with ext4 if no file system present Creates mount point directory Tries to mount volume using ...
0
votes
1answer
5k views

Recover data from corrupted LVM partition with TestDisk?

I had setup 3 disks in a LVM array with each disk holding some data. A few weeks back one of the disks "disappeared" from the LVM array and BIOS. After rebooting, the disk reappeared but does not ...
3
votes
1answer
1k views

Postfix: SMTP, use port 587 rather than 465

I have set up a mail server on AWS EC2 using the instructions from Flurdy: http://flurdy.com/docs/postfix/ it has mostly gone well. My issue is that I would prefer to use SMTP port 587 with TLS ...
1
vote
1answer
674 views

Partition went read-only, how to mount it again?

Every now and then the partition of my Linux installation goes read-only. Since the computer is a laptop, I suppose it's due to some writing error caused by some harsh movement. Partition was mounted ...
0
votes
1answer
46 views

I get errors including “apache config test fails, aborting” when trying to create a subdomain. What do I do?

I just made a change to the httpd.conf file. The reason I did this is I'm trying to set up a subdomain. I now would like to restart apache2, but when I try to restart I run into a slew of errors. ...
0
votes
1answer
52 views

How to fix extremely slow Virtualbox network download speed?

I'm using an Ubuntu 12.04 VM (hashicorp/precise32) via Vagrant/Virtualbox. It seems to have an exremely slow download speed compared to my host system. This is what I get with the host system (OSX) ...
0
votes
0answers
14 views

Sound not working in my Ubuntu desktop after the sudden power cut

i googled in many articles but does't fix this problem i tried this but does't help me sudo apt-get remove --purge alsa-base pulseaudio sudo apt-get install alsa-base pulseaudio sudo alsa ...
1
vote
0answers
21 views

Why does copy and paste often fails with firefox on xfce?

I noticed that the classic X way of doing copy and paste with the mouse quite often do not work in firefox. In all other applications it still works as it should, I mark text, and paste it with the ...
16
votes
3answers
47k views

How to set file permissions so that new files inherit same permissions? [duplicate]

I have a folder in which new subfolders and files will be created automatically, by a script. I want to maintain the user and group permissions recursively for all new folders and files placed in the ...
0
votes
0answers
13 views

Can't mount ZFS mountpoint, mountpoint or dataset is busy

So my roommate, in a misguided attempt to fix a fuse issue in our apartment, decided to toggle all the fuses in the fusebox. He did this before I could safely shut down my fileserver and now the zpool ...
4
votes
2answers
89 views

Behavior of rsync with file that's still being written?

If Apache is in the middle of writing a large file and an rsync cron job runs on that file, does rsync attempt to copy the file? Example Apache-1: Has file large being written to /var/www. ...
0
votes
1answer
4k views

Can't disable hardware acceleration in Adobe Flash Player 11.2.202.251 on Ubuntu

With the new release of Flash Player for Ubuntu I'm not even able to disable hardware acceleration to avoid that frustrating channel management that overlays a sort of blue pattern on each video. ...
1
vote
2answers
3k views

How to enter interactive boot mode on ubuntu linux system

On Ubuntu 10.04, How to enter interactive mode at boot time? Can I choose which driver to be enabled? or which Service to be enabled? System blocked at boot time, and closed screen display -- no ...
3
votes
1answer
1k views

Difference between /etc/network and /etc/NetworkManager in Ubuntu

I use Ubuntu 12.04.1. I understand networking, and the meaning of files in both folders, but the question is: "How are they coexisting?" For example, if I have this configuration of eth0 in ...