Ubuntu 12.04 (aka Precise Pangolin), is the sixteenth release(version) of Ubuntu from Canonical.

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Need to setup ubuntu server files secure

I have a Ubuntu 12.04 server. On that we have some projects which are shared with Samba share. I need to protect our files to be copied from there by other users except by a superuser or root for ...
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12 views

Unable to find PORT name in ubuntu 12.04

I am writing a code for serial programming in ubuntu 12.04. I have connected a usb to serial converter with my usb port. Now I want to know On which port I have connected my usb ( for example COM12 ...
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Trying to upgrade Ubuntu 12.04 LTS to 14.04 LTS inside Virtualbox results in a divide by 0 error

Attempting to upgrade a 12.04 LTS guest on a Windows 8.1 host results in the following error. Is there a workaround? This is on Virtualbox 4.3.14, the newest release. This error is very strange, ...
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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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27 views

Why isn't “(ulimit -d 1000; firefox) &” working?

I'm trying to limit the memory usage of firefox to prevent it from stalling the whole system with problematic web sites. I tried, in bash: (ulimit -d 1000; firefox) & This should limit the ...
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8 views

ldap_bind: Confidentiality required (13)

I want to configure ldap with ssl so I used openssl for certificate and when I enable olcSecurity tls=1 in /etc/ldap/slapd.d/cn=config.ldif and now when I try to use ldapsearch or try to login it ...
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8 views

Ldap with ssl server configuration in ubuntu 12.04 server

I have successfully installed ldap server on Ubuntu 12.04 and other Ubuntu client can authenticate successfully but I want to secure ldap client server communication with the help of ssl I searched ...
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1answer
23 views

Ubuntu12.04 crashed while trying to install Ubuntu14.04, no longer have access

My desktop crashed. It's a 9 year old Compaq SR 1650NX, AMD Athlon 3500+ probably 1 GB RAM. Was running Ubuntu 12.04... was attempting to upgrade to 14.04, not sure if I interrupted it. Pretty much ...
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mouse button #7 not detected by Linux

Under Ubuntu 12.04, the command xev sees all 9 buttons of my mouse, except for n.7, i.e. scroll right. Is there a way to fix this? I don't think it's related to xorg.conf
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14 views

Ubuntu Samba Windows LogIn Failed to retrieve share list from server

I am part of a small Windows7 & 8 network of about twelve machines, all of which have been configured mostly by me to share folders with "Everybody". The machine that doubles as a File Server, ...
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13 views

no user-switching option in Ubuntu 12.04

Some time ago, we got several new Ubuntu 12.04 machines at work for various purposes. To make things more manageable, I created multiple accounts for the different users that will be using the ...
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24 views

Zorin6.4 core ubuntu software center will not open

Ubuntu software center will not open. Last time it was open it said it was conducting a search. Reboot and still conducting search. Synaptic center says unable to get exclusive lock' Lubuntu software ...
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27 views

why linux checks disk after shutdown -h

if I give the command sudo shutdown -h +2 or edit my crontab in a similar way, at reboot Ubuntu 12.04 checks disk for errors: is this behavior correct? is there a way to avoid it? Note that this ...
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19 views

I want backdoor access via intranet but none via internet - easy solution?

I see my new server has two cards and wonder if I can plug the internet into one and an intranet into the other. I only want access to the OS and program files and MySQL from the intranet side. ...
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1answer
17 views

Ubuntu - how to find live usage of port numbers

I am trying to debug a problem with a apache server, wherein I need to find the application that uses a particular port number. I tried using netstat, but didn't help. The scenario is that I am ...
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1answer
25 views

I lost my Ubuntu Partition

I have two operating systems installed on my computer, Ubuntu and Windows 7. I reinstalled Windows 7 today and I think have a problem with the Ubuntu partition. Running fdisk -l when booted into a ...
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11 views

NFS works in PC but doesnt in ARM board

I have done nfs in pc but i could not do it in arm board. is there anything in addition that is required... I did not change any setting but the following error is displayed mount: ...
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2answers
186 views

Unable to run skype 4.3 on ubuntu

I recently upgraded skype 4.2 to 4.3 on ubuntu 12.04, but it is crashed within some seconds. This crash is happening each time. can any body suggest me some workaround.
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How to re-install a ubuntu package when sudo dpkg -i does not work?

I am trying to re-install a broken package (tzdata) using dpkg but sudo dpkg -i tzdata_2014e-0ubuntu0.12.04_all.deb does not work. Here's the output dpkg: error processing ...
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1answer
25 views

Installing Ubuntu 12.04 x64 in MBR

I wanted to install Ubuntu 12.04 side by side with Windows 8.1 in my SSD. Windows is already installed in MBR, even though I have a UEFI machine. And so I used the legacy Bios. I have confirmed that ...
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1answer
20 views

grub rescue moved folder out of root

I made a really silly sudo mv /* /some_folder move command on my remote server vm ubuntu 12.04 that moved my boot folder to /home/.../somefolder/boot I can access this folder via a ...
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22 views

Windows install (media drivers)

I have been trying to install windows 7 64bit onto my Ubuntu 12.04 machine for quite awhile. I succeeded in installing the win7 64bit iso onto my usb via unetbootin-linux-494 and formating the usb ...
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21 views

Cannot import .ova

I'm trying to import an .ova file into my VirtualBox on Ubuntu 12.04 (64 bits), but when I do this I get the following error: Failed to import appliance /media/USB/Respaldo 11 (Armando)/SW/Maquinas ...
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60 views

Cifs share doesn't preserve permission configuration in smb.conf (775 instead of 777)

So I have a share on ubuntu that is accessed through both ubuntu and windows machines. my relevant smb.conf is like this: path = /share create_mask = 0777 force create mode = 0777 security mask = ...
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21 views

ubuntu: killing xorg logs user out

Experimenting with my ubuntu box, I killed Xorg. The effect was to log me out of my session. If I log back in, the screen goes black for a moment, and then logs me back out. I can log in as guest ...
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2answers
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How to disable a keyboard key in Linux (Ubuntu)?

my keyboard is damaged, the keyboard key [é] is always pressed and it prevents me from working. On windows I found the software sharpkey to disable the [é] button but on Ubuntu I can't found no ...
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38 views

Mysql Failed to started after mysql dump restore process

i tried to restore a db backup to a newly created database, suddenly its starts showing error. Can't connect to local MySQL server through socket /var/run/mysqld/mysqld.sock so i checked ...
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12 views

How to connect to a local server which I launched on vmware(which runs Ubuntu 12.04)

I've a program that runs in VMware player (Ubuntu 12.04) on my computer. I wish to create a web based UI to run some basic function on my program. From inside the VMware player there will probably be ...
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51 views

Network icon not visible in Ubuntu 12.04, how to get it back?

When I tried to configure a broadband connection in my Ubuntu 12.04 somehow the network icon has been removed from the system panel. I tried many kinds of solutions but still it is not visible. Now I ...
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1answer
36 views

how can I change the home directory of a user

I just changed the username of an existing user by doing: usermod -l new_username old_username and now I wanted to change the home directory using the following: chown -R root.new_username .bash* ...
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22 views

How do i change wifi password without a monitor (Ubuntu)

I have an ubuntu device that is wifi enabled, I plan to distribute it to clients that may not have a monitor. What is the best way to modify the wifi password of such a device ?
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40 views

Ubuntu VM doesn't recognize Alt-Tab anymore

I run Ubuntu 12.04 64-bit inside a VirtualBox VM with Windows 7 Enterprise x64 as host. I just upgraded VirtualBox from 4.3.10 to 4.3.12. I'm not entirely sure if it's due to the upgrade, but my ...
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48 views

Disk partitions are not appearing separately when installing Ubuntu along with Windows 8.1

I have installed windows 8.1 and now I want to install Ubuntu 12.04 along with it and want dual boot OS. I have 250 GB HD and they partitioned in four drives in windows and in which one is 20 GB ...
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73 views

Ubuntu 64-bit 'No such file or directory' error in bash

Gentlemen, I'm on Ubuntu 12.04 LTS 64bit and I would like to write a batch file .sh just for fun I wrote #!/bin/bash echo "test" USER_NAME= 'myname' And I typed chmod +x ./filename and I execute ...
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12 views

Compressing data/image by ziproxy and decompressing image/data with ziproxy

i am new in ziproxy,i have setup two ziproxy server for compressure and decompresure of http traffic but i have not succeeded in compressing and decompressing traffic through these servers.If any one ...
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59 views

Override homeDirectory in ldap.conf with unique path

I have a number of Ubuntu 12.04 PCs which are using an existing LDAP server for authentication. This is working for 90% of users of these PCs, but there are a handful of users which have "bad" default ...
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2answers
59 views

How can I graphically open and display file at the client end in Linux over SSH connection?

I am using the xdg-open file-name command to open and display file at the user end, but can't graphically open and display file at the client end in Linux over SSH connection. So please help me to ...
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1answer
57 views

How to create a website using wordpress [closed]

I am working on Wordpress. Actually I installed Wordpress in Ubuntu server. Now I want to create website using Wordpress. I search in Google and got this link https://wordpress.com/ through that I ...
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204 views

OpenSSL::SSL::SSLError while trying to run chef-server

Installed Chef server on my Ubuntu 12.04 server. Following these instructions Getting the following error # chef-server-ctl test The source :rubygems is deprecated because HTTP requests are ...
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55 views

Linux Has Become Very Slow Dealing With Large Data

Last year I bought a computer, for around $1,800, so it is relatively high-end. When I first got it I was particularly pleased at how quick it dealt with large MySQL queries, imports and exports. But ...
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94 views

Why, in Ubuntu, I cant access to an SD card using the laptop SD card reader?

I have ab Ubuntu 12.04 installation on a Virtual Machine and I am finding some problems try to read an SD card inserted into the SD card reader of my laptop. The problem is that if I try to insert ...
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835 views

How to whois new TLDs?

How can I look up new TLDs, such as .email, .guru, etc., using the whois command in linux? Running whois on a new TLD only gives the response: No whois server is known for this kind of object.
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260 views

No sound after updating alsa

I am new to Linux but really love Elementary for its simplicity. After noticing that my sound was quite poor in Elementary, compared to Windows 8.1, I have tried updating the sound drivers. I ended up ...
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1answer
53 views

init.d service doesn't start

I have installed ushareand want to start is with booting. sudo service ushare startworks, and there is a link to start ushare in /etc/rc2.d (and also rc3, rc4, rc5) and there are stop links in other ...
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Standard user in Ubuntu 12.04 LTS does not automatically apply updates

We have a number of on-road users that use Ubuntu and do not have administrative privileges. They instead are "standard" users. Having had a look at one of the devices recently and although it has ...
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Lost data at CP -r <from source> <To destination> How to do Recovery

I took a backup into external hard disk and moved all of them to my new Ubuntu machine location /tmp which is near around 100 GB. And I moved via command prompt cp -r /tmp /home The folder into my ...
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initializing network connection in Virtual Box

I have installed Win 7 in Virtual Box I don't know how add network connections in windows 7. My Win7 Network Configuration: My Host OS: Edit: My network details in Ubuntu and ...
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53 views

Execute script when process reaches 6 hours of lifetime

I wonder if it's possible to execute a perl script when a process with a given PID file reaches a total of 6 hours of lifetime? Can this be done through crontab or similar? The perl script I want to ...
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172 views

HandbrakeCLI bash batch script not working.

I am trying to batch encode a bunch of files. Looking over the internet I have found just a couple scripts and none of them worked for me. I started to piece together something and it is close to ...
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180 views

Linux Server Won't Connect to internet

I have a Linux server that I use for a minecraft server. Ran flawlessly for the last two years. I usually shut it down when not using it because servers are expensive to run. Usually when I turn it ...