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For those who want to access your ext4 partitions from windows council this application, I was surprised that I had so much support for ext4 and LVM.    ------------ Spanish ---------------  Para el que quiera tener acceso a sus particiones ext4 desde windows le recomiedo esta aplicacion, me sorprendio que tuviera soporte tanto para ext4 y LVM

http://sourceforge.net/projects/ext2read/

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Migrate Mysql Database from one Server to another server

By default remote access to the MySQL database server is disabled for security reasons.some time you need to provide remote access to database server from home or a web server.

More.............http://linuxmaterials.blogspot.in/2013/09/how-to-migrate-mysql-database-from-one.html

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Install Apache OpenOffice 4.0.0 on Linux RHEL/CentOS

Apache OpenOffice is the leading open-source office software suite for word processing, spreadsheets, presentations, graphics, databases and more. It is available in many languages and works on all common computers.

More...........http://linuxmaterials.blogspot.in/2013/09/install-apache-openoffice-400-on.html

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Some Important Interview Q&A in Linux :-
http://linuxmaterials.blogspot.in/p/inter.html

Q) Describe Linux boot-up sequence

Answer: BIOS reads the MBR where Boot Loader sits, Boot Loader reads Kernel into memory, 
Kernel starts Init process, Init reads inittab, executes rc.sysinit, the rc script than starts services 
to reach the default run level and once this is done the last thing that gets run is the rc.local script.


Q) Write a command to find all of the files which have been accessed within the last 30 days.

Answer : find / -type f -atime -30 > filename.txt

........................More See this Tutorial.

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http://linuxmaterials.blogspot.in/2013/08/how-to-check-and-modify-linux-kernel.html

Check and Modify Linux Kernel Performance on Linux RHEL / CentOS
Linux Kernel Performance &Tuning with vm.swappiness :

vm.swappiness is a tunable kernel parameter that controls how much the kernel favors swap over RAM. At the source code level, it’s also defined as the tendency to steal mapped memory. A high swappiness value means that the kernel will be more apt to unmap mapped pages. A low swappiness value means the opposite, the kernel will be less apt to unmap mapped pages. In other words, the higher the vm.swappiness value, the more the system will swap.

The default value I have seen on RHEL/CentOS/SLES is 60.

To find out what the default value is on a particular server run this Command:

[root@station1 Documents]# sysctl vm.swappiness
vm.swappiness = 60

The value is also located in /proc/sys/vm/swappiness.

[root@station1 Documents]# cat /proc/sys/vm/swappiness
60

Note: You can set the maximum value up to 100, the minimum is 0.
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