Greatest Hits

4
votes
1answer
25k views

Cannot connect to wireless in Lubuntu 14.04

I have tried all afternoon to fix this, but now I give up. I am trying to set up an old XP PC with Lubuntu 14.04. It works perfectly fine, except for the wireless connection. Connecting with ethernet ...
13
votes
3answers
31k views

How do I run 'sudo' command inside a script?

To do a patch manually I must type this command sudo ./playback_delete_data_patch.sh 09_delete_old_data_p.sql There is a space just before the 09: sudo ./playback_delete_data_patch.sh [space] ...
6
votes
4answers
23k views

Downgrade PHP Version from 5.5 to 5.4 on Ubuntu 14.04

First time I've ever needed to ask a question here that I don't think has already been answered. I've recently been working on transferring over a vBulletin site I run to a new server. Thinking that ...
15
votes
2answers
24k views

“intel_rapl: no valid rapl domains” message upon boot

I install fresh Ubuntu 14. 04 server under ESXI 5.1.0. During my installation I did not get any erorrs or strange things. My problem is when I boot machine at console screen I get messages like [ ...
3
votes
3answers
20k views

Result of make command is /usr/bin/ld: cannot find -lcudart

I am newbie to Ubuntu and using Ubuntu 14.04 64-bit. I want to make a project that uses cuda and opencv I got the following error when running cmake . && make Linking CXX executable ...
8
votes
2answers
68k views

How to recover a deleted NTFS partition with data

I am on Ubuntu 12.04 64-bits I accidentally deleted a NTFS 255 GB partition using Gparted, and yes it contains LOTS of important data. Upon realizing the deletion I haven't yet created any ...
0
votes
3answers
11k views

The following packages have unmet dependencies!

I am writing this because I am very confused about installing postgresql 9.3 on mine Ubuntu 14.04. First I need it for mine Python/Django development, and I ran in to the problem, when i tried to ...
6
votes
3answers
32k views

How do I get HTML5 h.264 Video working on Firefox?

According the the release notes for Firefox 26, h.264 video should now be working in Linux. It does also say the appropriate gstreamer plug-ins need to be installed. Does anyone know what these are? ...
6
votes
1answer
50k views

How to add a GPG key to the apt sources keyring?

Ubuntu Doc page says this: It is advisable that you add the Opera GPG key. wget -qO - http://deb.opera.com/archive.key | sudo apt-key add - Where do I add that? I want to take the advice ...
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7
votes
3answers
14k views

How do I disable SSLv3 in tomcat?

Please provide the fix for How do I patch/workaround SSLv3 POODLE vulnerability (CVE­-2014­-3566)? for Tomcat. I have tried following below link, however it does not help: tomcat-users mailing list ...
9
votes
3answers
29k views

What is $DISPLAY environment variable

I am new to shell script NOT able to understand what is $DISPLAY environment variable. I am running Ubuntu 13.10 and using /bin/bash shell. I have connected two monitors. Questions: echo $DISPLAY ...
0
votes
3answers
25k views

MATLAB R2014a on Ubuntu 14.04 Install Issue

I am trying to install MATLAB R2014a on Ubuntu 14.04 LTS. I download the .iso file (from my University) and mount it using Disk Image Mounter. Then I open a terminal, switch to the directory where ...
14
votes
1answer
35k views

32-Bit UEFI Boot Support

I recently purchased a Dell Venue 8 Pro. I have read online about what it needs in order to boot into Ubuntu or any other Linux distro. From what I have gathered, what really needs to happen is ...
4
votes
1answer
40k views

Run executable file on terminal

I'm new to Ubuntu and currently on it because of assignment. I would like to ask few questions: 1) How do I make new command to run a shell script? For example, when you type "passwd" on terminal ...
1
vote
3answers
9k views

Firefox 34 - Black screen playing Adobe flash videos

After upgrading to Firefox 34, Flash videos stopped working. A black screen was presented, with no hint to the problem. Following these instructions and these other instructions, would prove futile. ...
3
votes
3answers
25k views

cp - cannot create regular file : permission denied

I want copy to /lib/udev but gives error cp -f /tmp/ok_pcscd_hotplug.sh /lib/udev cp:cannot create regular file /lib/udev/ok_pcscd_hotplug : Permission denied I am root , but I can't understand . ...
0
votes
3answers
27k views

Uninstall Grub and use Windows bootloader

I have Windows 8 pre-installed and then installed Grub with Ubuntu. Ubuntu is not my thing so now I want to remove it along with grub. From what I have learned, with UEFI, Grub does not overwrite the ...
5
votes
5answers
23k views

How do I set the LightDM wallpaper in Ubuntu 14.04?

In previous versions of Ubuntu, picking one of the default wallpapers meant that you saw it on the login screen as well. I am now on a clean install of Ubuntu 14.04, the LightDM wallpaper appears to ...
8
votes
3answers
38k views

How do I add a network drive to Plex?

So I've been looking around and can't find an exact solution to my problem. I dual boot Windows 7 and Ubuntu 13.04. I like Ubuntu and want to use it instead of windows. Everything was working on ...
4
votes
3answers
12k views

How can KVM be located by Android Studio on Ubuntu 14.04 LTS

When running the emulator, Android Studio reports the following message: Please ensure KVM is properly installed and usable. CPU acceleration status: KVM is not installed on this machine ...
4
votes
5answers
12k views

Cannot boot into Refit (to choose Ubuntu) on Mac after Yosemite Upgrade

I do yosemite upgrade on MacBook Pro (13 inchi, mid 2012 model). After upgrade it, I cannot boot into refit, no OS option available, just boot into Mac OSX yosemite directly. I tried to reinstal ...
1
vote
3answers
24k views

Play subtitle on online streaming movies

I want a player which can play subtitles while I am watching online movies. I have tried VLC network streaming. It's not happening. Well, there is a Windows app called Greenfish Subtitle Player, ...
5
votes
2answers
19k views

Proxy authentication with terminal Ubuntu 14.04

I would like to access the internet to update files etc. from the terminal on a secured proxy network. I've already tried the following: Adding to /etc/apt/apt.conf, /etc/apt/apt.conf.d/01proxy, ...
6
votes
2answers
24k views

Fallback to Gnome classic desktop Ubuntu 14.04

I'm using Ubuntu for a while and experienced many bugs in Unity and also it kills productivity. I recently checked BackTrackR3 release which is built on Gnome2.3. But, unfortunately that is available ...
11
votes
1answer
23k views

how to show hidden folders in 14.04 ubuntu

How do you show a hidden folder (specifically .minecraft) in Ubuntu 14.04? I am somewhat new to Ubuntu 14.04 and can't seem to find the "view" menu.
7
votes
1answer
35k views

Connecting to Ubuntu using Remote Desktop Connection on Windows 7

I'm trying to connect to a machine with Ubuntu from a different machine running Windows 7 using the Windows Program Remote Desktop Connection. I used the command: sudo apt-get install xrdp which ...
10
votes
3answers
45k views

How can I run Disk Utility in terminal via a comand line?

First of all, I must say that I have successfully used Disk Utility in the past and thus I could rename my partitions. But yesterday, I saw that my partitions are not mounted, so I used Storage ...
3
votes
2answers
29k views

How can I check disk space used in a partition using the terminal in Ubuntu 12.04 LTS?

I am using Ubuntu 12.04 LTS and I was wondering if there is a command that can tell the space used in a partition using the terminal. Like I want to use the su command to change to a user called admin ...
10
votes
1answer
24k views

What does apt-get --fix-missing do and when is it useful?

From the man page: -m, --ignore-missing, --fix-missing Ignore missing packages; if packages cannot be retrieved or fail the integrity check after retrieval (corrupted package files), hold back ...
7
votes
1answer
17k views

TOP showing a bunch of rcuos processes

i ran TOP and im showing a ton of these rcuos processes below. What are these? top - 21:41:15 up 22 days, 19:20, 1 user, load average: 0.00, 0.01, 0.05 Tasks: 332 total, 1 running, 331 sleeping, ...
2
votes
3answers
22k views

mysql server start failed

I am running ubuntu server. When I tried to login to mysql(which was running),I got the following error ERROR 2002 (HY000): Can't connect to local MySQL server through socket ...
7
votes
6answers
16k views

How to list all symbolic links in a directory

I have a symbolic link in my /var/www/ directory that links to WordPress. When I run the command ls -la from the /var/www/ directory the link to WordPress doesn't show up. Is there a way to list all ...
7
votes
4answers
44k views

SSH error: Permission denied, please try again

I am new to ubuntu. Hence please forgive me if the question is too simple. I have a ubuntu server setup using amazon ec2 instance. I need to connect my desktop (which is also a ubuntu machine) to the ...
4
votes
1answer
20k views

How to make VNC Server work with ubuntu-desktop without xfce

I have Ubuntu Server LTS 14.04 and I want to know whether it's possible to install vnc4server and make it work with ubuntu-desktop (and not xubuntu-desktop) without installing xfce4. I think I have ...
6
votes
4answers
38k views

How to fix the MBR for Windows 7?

I have installed Ubuntu as dualboot with Windows 7. Now I'm no longer using Ubuntu so i removed the Ubuntu partition and added the unallocated space to my Windows 7 partition. But after I restart my ...
3
votes
2answers
73k views

How to set up VirtualBox Bridged Network on Windows 7 Host?

I have virtualbox running on a Windows 2008 server, with a guest running ubuntu 10.04. The ubuntu guest is given a static IP of 192.168.1.4, which also has openssh installed. The guest has bridged ...
11
votes
2answers
49k views

How to give nopasswd access to multiple commands via sudoers?

Below is what I know: I have to add this below line in sudoers file to give rights to the user for particular task. user_name ALL=NOPASSWD: /usr/bin/apt-get install In this case I want to give ...
19
votes
2answers
22k views

Adapt Ubuntu to a high-DPI resolution screen

What are the steps you need to adapt Ubuntu on a fresh installed Laptop with a high resolution display? I have a display with 3200x1600px on only 11'' which is all realy tiny.
6
votes
2answers
12k views

error in installing mongo in virtual machine

I try to install mongo using mongo documentation: Install MongoDB on Ubuntu no errors were mentioned during the installation. But when I run the mongo command following error was displayed in the ...
21
votes
3answers
29k views

How to find and list all the symbolic links created for a particular file?

I had created many symbolic links on various paths for a particular file or a directory. I want the whole list of created symbolic links paths (location). Example: I created symbolic links for ...
6
votes
2answers
38k views

How to fix Permission Denied (Public key) error?

While trying to communicate between my desktop Ubuntu 12.10 and Fedora 19 desktop, I am facing the error of Permission Denied (Public key). I am able to login through ssh from fedora to Ubuntu, but ...
15
2
votes
2answers
24k views

How to find my current JAVA_HOME in ubuntu?

How to find my current JAVA_HOME in ubuntu? I have to set java_home path when installing maven.
16
votes
10answers
28k views

How to clone to a smaller harddisk?

How to clone a harddisk to a smaller sized one. Clonezilla is great but it doesn't support such functionality. Also dd and PartImage don't support this demand. rsync will not copy the MBR since an ...
2
votes
1answer
32k views

How to open a port?

I have ubuntu 12.04 and I'm not able to allow certain port in my firewall. So I basically said I will allow everything but it's still not working. Please help. nmap on this machine from other machine ...
8
votes
1answer
36k views

iptables log file,and how change it

I have this rule in my iptables: iptables -AINPUT -s 192.168.11.0/24 -j LOG My question is: Where is the iptables log file, and how can i change that?
5
votes
1answer
14k views

“error adding symbols: DSO missing from command line” while compiling g13-driver

I'm trying to compile the download received here: https://code.google.com/p/linux-g13-driver/ by running make but I'm receiving errors that to me, after searching on the web, look like they're the ...
8
votes
1answer
45k views

How to install Qt4 in Ubuntu 12.10

I tried to use Qt5 but I have some problems while making Debian packaging process with Qt5 so I would like to have Qt4 on Ubuntu 12.10. How can I install Qt4.
12
7
votes
3answers
22k views

Route all traffic through OpenVPN

Yep, this question has been asked a hundred times, and I have searched everywhere, to no avail. The title says it all really. I have an OpenVPN server (On ubuntu), and I can connect to it through ...
1
vote
2answers
13k views

Forbidden You don't have permission to access /phpmyadmin on this server

I installed php, mysql, phpmyadmin on my Ubuntu 12.04 localhost in the following steps: I try these steps: sudo apt-get install apache2 sudo /etc/init.d/apache2 restart sudo apt-get install php5 ...
1
vote
4answers
26k views

How to Setup a root cron Job Properly

I tried to setup a root cron job to run a Bash script as root, to run at minute 7,37, every hour, every day of month, every month. This script is located in /usr/bin and named tunlrupdate.sh is used ...
3