Category: Linux

I will post my Linux experience here. Also any How To’s I create.

Audio Click Xubuntu 14.04.1 LTS

I had finally had enough of a very annoying clicking noise through the headphones on my HP Pavilion dm1 Netbook. I love this machine because of its compact size and long lasting battery. The system originally had Windows 7 witch was a struggle with just an Atom processor. I fell in love with Xubuntu on this machine immediately with one slight annoyance. Every 10 seconds there was a click in the audio. This only happened when there was no audio playing. It also went away when the audio mixer was open but why waste the ram keeping it open?

Solution was simple enough. Power save kept switching the Intel sound card on and off every 10 seconds causing the click. Solution? Turn it on and leave it on! Here are the steps.

First, open a terminal window.

sudo nano /usr/lib/pm-utils/power.d/intel-audio-powersave

Comment out the following line with a #.

# INTEL_AUDIO_POWERSAVE=${INTEL_AUDIO_POWERSAVE:-true}

And then add the following line below the pervious line.

INTEL_AUDIO_POWERSAVE=false

Save the file and reboot the computer. That is it, no more click!

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TeamSpeak start up Ubuntu 14.04.1 LTS

This problem stumpt me for a while. I run a TeamSpeak damon on my VPS linux box. The issue with this application, is they do not create startup script in the /etc/init.d folder.

There are many TeamSpeak startup scripts but the following seems to work best for me.

#!/bin/sh</p>
<p>case &quot;$1&quot; in<br />
start)<br />
/etc/teamspeak3/ts3server_startscript.sh start<br />
;;<br />
stop)<br />
/etc/teamspeak3/ts3server_startscript.sh stop<br />
;;<br />
status)<br />
/etc/teamspeak3/ts3server_startscript.sh status<br />
;;<br />
*)<br />
  echo &quot;Usage: `basename $0` {start|stop|status}&quot; &amp;gt;&amp;amp;2<br />
  exit 1<br />
  ;;<br />
esac<br />
exit 0

Now that the bash script has been created in the /ete/init.d directory we can now use “service teamspeak3 start” to start the damon but every time the server restarts we have to run this manually. We need to add Teamspeak to the system start up. The following command will add this.

update-rc.d teamspeak3 defaults

That is it. Next time your server reboots Teamspeak will start.

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Installing NetBeans on Xubuntu 10.04

Installing NetBeans is simple in Ubuntu, but Xubuntu doesn’t seem to have the package in its repositories. The following will guide you through the install.

First thing needed is Java. You can install the openJDK or the sunJDK.

For openJDK

sudo apt-get install openjdk-7-jdk

For Sun JDK

sudo apt-get install sun-java6-jdk

Next we need to download the NetBeans installer. Navigate to NetBeans.org and download the version you require.

After the download has completed run the following to begin the install.

sudo sh ./netbeans-x.sh

Replace x with the version you have downloaded.

And that is it! You now have NetBeans installed.

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VirtualBox Guest Additions install Kubuntu 10.04

Install VirtualBox’s guest additions are relativly stright forward in Ubuntu. But for Kubuntu 10.04 it’s takes a little more work.

Open the terminal and execute the following commands. First, check to make sure the system is up to date.

sudo apt-get update
sudo apt-get upgrade

Restart the system after these have been installed. Next we need to install and get a few things.

sudo apt-get install dkms
sudo apt-get install build-essential

Restart the system again.
Now we can install the guest additions. Devices -> Install Guest Additions… Virtual CD should mount automatically.

cd /media/VBoxLinuxAdditions_x
sudo ./VBoxLinuxAdditions.run

Install might take a little while to compile. After it has completed, restart the system. Guest additions have now been successfully installed.

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Linux Mounting Partitions

Most Linux distribution include auto mounting for different file system types. Specific distributions, you need to mound some file systems your self. The following commands will allow you to mount different file system types.

To list all partitions attached to the system, use the following commands.

fdisk -l

First thing, create a mount point for this new file system.

mkdir /media/drive

You can create this folder anywhere on the system. Most distributions mount all drives to /media.

Mounting FAT or FAT32:

mount -t vfat /dev/sdb1 /media/drive/

Mounting NTFS:

mount -t ntfs-3g /dev/sdb1 /media/drive/

Un-mounting the drive:

umount /media/drive/
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