Download the RPM for the 64 bit version from http://www.oracle.com/technetwork/java/javase/downloads/index.html
Next install it on your computer by typing in a terminal window: # yum localinstall jdk*.rpm <enter>
Once that is done, you need to now set up the alternatives to the OpenJDK version that is on your system. To change the alternatives, follow the steps . . . → Read More: Install Oracle Java SDK on Fedora 18
To overcome error where freshclam gives error Can’t create temporary directory /var/lib/clamav/clamav-…, you need to give your user and group rights to write to a folder /var/lib/clamav. To do so, enter following command after login in as root:
# su <enter> # chown rajan.rajan /var/lib/clamav <enter>
The Lenovo Ideapad Z580 comes with the Intel HD 4000 on board graphics and a Nvidia GT630M 1 GB DDR3 graphics card. The technology behind it is called Optimus, where in Windows, the computer can manage the switch between the graphics cards (on board or otherwise) when graphics power is needed.
As the Nvidia graphics . . . → Read More: How to improve Lenovo Ideapad Z580 battery backup time and reduce heat in Ubuntu Linux
The Lenovo Z580 Ideapad laptop gets heated to about 63 to 70 degrees celsius in Ubuntu Linux. To reduce this heat, the CPU Frequency needs to be better controlled. To do that, type the following commands in a terminal window on your Ubuntu Linux laptop: $ sudo apt-get install cpufrequtils cpufreqd <enter> $ sudo apt-get . . . → Read More: Reduce overheating on the Lenovo Z580 Ideapad laptop in Ubuntu Linux
If you are looking for a good program that is free, open source and useful for ensuring that you get off your computer periodically, look at workrave at http://www.workrave.org. You can set it up to tell you when to take breaks, perform some exercises during breaks and also maintain an ergonomically healthy computing habit. Install . . . → Read More: Workrave for good ergonomic breaks on Linux
To copy the .APK files of the pre-installed applications on an Android phone to a computer, install ADB as per this post and connect the phone to the computer via the USB cable that came with it. After that, enter the following command in a terminal window to copy the .APK files onto the computer:
. . . → Read More: Copy default applications from Android phone to computer using adb
The capacity of storage has increased by leaps and bounds over the past decade. This has resulted in an explosion of the variety and quantum of data stored on it. There are no clear measures to control this explosion. For example, if you create a temporary file to store some comments on it, you always . . . → Read More: Extended Attributes in Linux filesystems like ext4
While there are many tools to convert audio CD’s from one format to another, here’s another way to convert audio CDs to MP3 in Ubuntu.
Insert the audio CD you want to convert in the CD drive Copy the tracks on the audio CD to wav files using: $ cdparanoia -B <enter>
To convert to . . . → Read More: Convert audio CD to MP3 using Sound Converter in Ubuntu
To check the release or version of Ubuntu you are running, open a terminal window and enter the command shown below. $ lsb_release -a <enter>
It returns a result like the one shown below: No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.04.1 LTS Release: 12.04 Codename: precise
This information is useful, . . . → Read More: How to find the release or version of Ubuntu installed
Ubuntu One is a cloud storage service. It provides you with 5GB free, personal storage space that you can use to synchronize your data across several computing devices. You can have a file you saved on it from your desktop, made accessible on your smartphone, tablet or any other computer.
Ubuntu One transmits the data . . . → Read More: How to store encrypted data in your Ubuntu One cloud storage space