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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Can't upgrade Dropbox on headless Ubuntu 14.04 server

Every time I run dropbox update I get the following error. Yeah, no idea what that means. Traceback (most recent call last): File "/usr/bin/dropbox", line 1436, in <module> ret = ...
-2
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1answer
28 views

Distraction-free Linux distro

I think this is an OK place to ask this, but if not, please tell me where I should post it. I'm a student who is easily distracted by any notifications that come on my computer. So, I want to install ...
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0answers
7 views

Ubuntu 14.04- Force lower resolution on Macbook Retina Display

I am dual-booting Ubuntu 14.04 on my Macbook Pro Retina Display. I have also installed the proprietary Nvidia drivers. Everything works fine, but the problem is that since the screen is such a high ...
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0answers
10 views

Transcend USB flash drive not recognized

My USB flash drive is not recognized by my computer. I have tried it on an Ubuntu and Mac machine. In Ubuntu, I did the lsusb command but it does not show up. I was in the process of fixing ...
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3answers
23k views

Repair grub mbr and /boot using ubuntu 9.04 live CD

I have broken my boot sequence on my XP/Vista/Ubuntu box. I wish to restore the system back to the way that Ubuntu 9.04 (last installed OS) had it setup. I want to do only the mbr and /boot on the ...
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1answer
3k 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 ...
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0answers
6 views

Triple boot windows 8.1 ubuntu 14 and kali linux

I currently have ubuntu and windows 8.1 installed. I have the grub 2 bootloader. I just want to know how to get kali linux on my machine too, I am a newbie. Can someone make a video for me or show me ...
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1answer
116 views

Merging 2 zip files

I have 2 zip files: file1.zip file2.zip I want to compare the two zip files and then only extract the files missing in file2.zip (directory structure intact) so that I can merge them in. ...
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2answers
2k views

Setting up Seagate Goflex on Ubuntu

I have a Seagate Goflex external hard drive. When I plug it in it has set up files for Mac and Windows, but I'm new to Ubuntu and do not know how to set it up on here. How can I go about doing this?
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0answers
27 views

Some transcoded streams delayed or not playable from ffmpeg

Some of the audio files in my music collection are unplayable when transcoding them using ffmpeg. Most audio files transcode nicely using the default settings for my Subsonic media server. I'm pretty ...
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1answer
34 views

How do I create & restore a mysql database dump with Chef?

Environment Ubuntu 12.04 Precise64 Enterprise Chef opscode-cookbooks/mysql opscode-cookbooks/database Wordpress 3.9 Objective I am trying to replicate/clone my production Wordpress server. I'd ...
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1answer
768 views

Ubuntu 12.04: Cannot login to tty[1-6] except as root

When I press [Ctrl+Alt+F<1-6>] it takes me to tty1 through tty6 respectively, no problem. But at the login prompt, if I try to login with my username and password, it just immediately takes me back ...
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0answers
10 views

Linux Mint 17 - Boot Up Mint Icon Becomes Purple Ubuntu Screen After Removing Packages

I just installed Linux Mint 17 Cinnamon. The first few times it booted up, the Mint icon was displayed while booting up. I then removed some applications using the Software Manager (e.g. ...
5
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2answers
1k views

Pretty print folder structure using linux terminal?

How can you pretty print a directory structure with all subdirectories to the deepest level in the linux terminal(ubuntu)? This is an example of such a pretty print output for a mysite folder: mysite ...
1
vote
1answer
91 views

Recover directories just deleted in Nautilus

In Nautilus, I accidentally delete several directories on a partition (unfortunately, I deleted them in a way such that they don't remain in Trash). I haven't write any new data to that partition yet. ...
2
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0answers
15 views

Dual boot, 4 disks, raid0

I have windows 8.1, and ubuntu 14.04 on the Disk 0. On ubuntu the four disks are merged. on windows i want to merge disks 1,2,3 (the windows half). but when i click to new striped volume, it says ...
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0answers
6 views

init.d postfix startup - only status gets called on service

I'm having a problem with postfix not starting up on boot. boot.log doesn't show any information whatsoever. Starting the postfix service afterwards works as expected. I added debug information to ...
4
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2answers
9k views

Ubuntu server - create group, create user, user specific access

I am new to ubuntu server. How can I create a group lets call that group 'mypeople' then add a user to 'mypeople' lets use user 'brad'. and have 'brad' only access to /var/www/brad/. 'brad' can ...
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1answer
38 views

Can not access localhost by external ip

I know there are various documents available on web giving the steps to do this but I am not able to fix the problem -- I have an angularjs project which is running on localhost (and os is ubuntu ...
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3answers
815 views

“can't find specified sfx module” when trying to create self extracting file with 7zip

I am trying to create a self extracting file for Windows from Ubuntu 10.04 using 7zip. I tried these commands: 7zr -sfx7z.sfx a output.exe *.txt 7zr -sfx/usr/local/etc/7z.sfx a output.exe *.txt ...
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2answers
2k views

CURL Error version OPENSSL_1.0.1 'not found …'

I have the last few days, a concern with CURL. I get this error: curl: / lib/i386-linux-gnu/libssl.so.1.0.0: version `OPENSSL_1.0.1 'not found (required by / usr/lib/i386-linux-gnu / libcurl.so.4) ...
3
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1answer
499 views

Prevent Firefox' directory-listing to display 'file'-prefix

Depending on the filetype, firefox shows sometimes a prefix file: (german: 'Datei: '), and sometimes not. Here is a Screenshot: I made those dummy-files with linux, and they aren't real files, to ...
0
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1answer
16 views

Is there such a thing as a universal autorized_keys for 1 ssh_key to work on all accounts on a machine?

I run a webserver so I'm constantly making new accounts for new domains and logging into them over ssh. Is there a way that instead of pasting my id_dsa.pub file into a new authorized_keys file on ...
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2answers
2k views

Can't install Windows 7 with UEFI off on GPT drive

I need to have a dual boot with Ubuntu and Windows 7 on my notebook with UEFI. I had to turn UEFI off to install and boot Ubuntu. Now I'm trying to install Windows 7, but it says it can't be ...
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0answers
12 views

Why can't I suspend Ubuntu 14.04 (running from USB3) anymore?

I'm running Ubuntu 14.04 on an USB3.0 stick (Sandisk Extreme 64gb, both /root and /home are on it) as my portable development environment, mostly on an Asus N56VZ laptop. Recently, Ubuntu fails to ...
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0answers
30 views

C program error in gcc compiler using ubuntu [on hold]

I ran c program using gcc compiler in Ubuntu 12.04 but whenever i run my program it shows virtual memory exhausted error to me through Ubuntu terminal. Please help.
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1answer
438 views

When attempting to open any file with WinSCP, it attempts to list it as a directory

We had a security breach and some things were messed up on our Ubuntu servers. Now, when I log in to two of our servers using WinSCP and I double-click on a file to open it with my default ...
5
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1answer
428 views

Where is the software RAID information actually written?

Like title says, where is the actual information which specifies which disks are being used, what order, etc...? I noticed while installing a linux distro that it was detecting a RAID array without a ...
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0answers
6 views

Without create Ubuntu user connect to SVN through Eclipse on Windows

this is my first question in superuser. I have a Subversion server running on an internal server(Ubuntu 12.04). I'm trying to connect to it through SubClipse (Eclipse) on Windows. I read ...
0
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1answer
30 views

How to split window in Windows 7, like in Ubuntu Nautilus (F3 key)

I love the Ubuntu feature when I press F3, two windows appear so that I can drag and drop files between different folders. Can I get this functionality in Windows 7? Like an extension or something? ...
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1answer
188 views

Can I get iPhone-like folders on Linux?

I'm using Ubuntu, and my desktop is getting very messy. Most people organize things in folders, but I don't like opening up a whole window to access my stuff. I like the way iPods (and OS X Lion's ...
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0answers
10 views

USB drive stopped working

My USB pen drive (A-data UE700 64GB) suddenly stopped working. I tested it on few PCs (every one with Linux) and it doesn't work on any of them. The device isn't even mounted. It used to work alright ...
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0answers
6 views

Keep ATI (fglrx) and NVidia (nvidia-current) Drivers on Ubuntu 14.04

I'm using Ubuntu 14.04 on external disk and 2 computers with ATI and NVidia driver each. Actually I'm using nvidia proprietary as main driver and did not install ATI driver. But after upgrade a day ...
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2answers
2k views

SSH Connection Error : No route to host

There are three machines in this scenario: Desktop A : user@1.23.x.x Laptop A : user@1.23.y.y Machine B : user@192.168.z.z All the machines have Ubuntu 11.04 (Desktop A is a 64bit one) and have ...
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1answer
17 views

Ubuntu getting wrong hostname from DHCP

When provisioning new Ubuntu Precise (12.04) servers, the hostname they're getting seems to be generated from the DNS search path, not a reverse lookup on the hostname. Take the following ...
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1answer
8 views

No kernel messages are logged to kern.log

I am trying to configure rsyslog. Ultimately, I want to have a log file of dropped packets but I can't get rsyslog to log properly. /etc/rsyslog.conf looks like this: # /etc/rsyslog.conf ...
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4answers
4k views

How I can make sudo session an hour and not few minutes in Ubuntu 10.04?

How I can make sudo Ubuntu 10.04 session an hour and not few minutes? Now I have to write my password for sudo commands every few minutes.
41
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5answers
86k views

How do I create an administrator user on Ubuntu?

I want to create a user having sudo powers in Ubuntu. How can I do that?
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2answers
32 views

Used VMware Player Free, and now can't login to Ubuntu after reboot

Recently I installed VMware Player Free, in the form of the latest version, in my laptop running Xubuntu 14.04 Trusty. I then set up another linux OS to run as a virtual machine thereon, X'd out of it ...
74
votes
8answers
28k views

Running upstart jobs as unprivileged users

What's the canonical way to have an upstart job change its userid and run the script as an unprivileged user? Obviously one can use su or sudo, but this seems hacky (and can generate needless log ...
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0answers
143 views

How to increase maximum file open limit (ulimit) in Ubuntu?

Currently ulimit -n shows 10000. I want to increase it to 40000. I've edited /etc/sysctl.conf and put fs.file-max=40000. I've also edited /etc/security/limits.conf and updated hard and soft values. ...
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1answer
10 views

instalation ffmpeg in Ubuntu

I am using following steps for installing ffmpeg-php extension in Ubuntu Download ffmpeg-php-0.5.2.1.tbz2 extract it go to this directory run this "phpize" ./configure && make but when I ...
0
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1answer
15 views

Logging packets with iptables

I am not all that experienced with iptables, but I am trying to log dropped packets. From what I have read log messages created with iptables are supposed to be written to /var/log/kern.log. My issue ...
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2answers
2k views

How to remove a directory which looks corrupted

I am using Ubuntu 9.10. When I examine a directory, it shows as '?' for user/ownership. How can I remove it? -rw-r--r-- 1 hap497 hap497 1822 2010-01-28 22:48 IntSizeHash.h d????????? ? ? ...
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2answers
3k views

read only files in Ubuntu

Something has gone weird with Ubuntu 8.4 on my computer. Somehow, many files, docs and audio have decided to become "read only". Other files (that I own) are denying permission to view, move copy or ...
2
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1answer
318 views

File structure corruption after installing ubuntu

I am using Windows 7. When I installed Ubuntu and ran it for the first time, everything was going fine. I booted Ubuntu and accessed my FAT32 and NTFS partitions. After restarting Ubuntu, I booted to ...
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1answer
22 views

Starting gnome-shell with different home

In the company I work for we have home directories mounted by network filesystem. Like all networks our lan can be slow or unreliable at times. Most of my system deals with this kind of situation but ...
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2answers
336 views

ubuntu home folder permission

I have implemented openLDAP logging into my test server, each user has its own folder, which should be private for him. Now I have testUser1, testUser2 and testUser3, that means my /home/ folder ...
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0answers
4 views

PuPHPet, Vagrant networking through proxy

I'm learning PuPHPet, Vagrant and Laravel homestead I've ElementaryOS Luna installed. I've downloaded and installed Virtualbox, Vagrant, vagrant plugins and then I built an Ubuntu 12.04 machine with ...
0
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1answer
27 views

Cannot change directory into home directory, although permissions are set correct

I guess I need some help from an advanced Unix user... On a Ubuntu System I did something stupid. I typed sudo chmod 774 .* or the like, in a subfolder of my home folder and then I suddenly could not ...