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Setting the default JDK with the /usr/sbin/alternatives Utility

Linux Encrypted Filesystem How-To with dm-crypt

An encrypted filesystem will protect against bare-metal attacks against a hard drive. Anyone getting their hands on the drive would have to use brute force to guess the encryption key, a substantial hindrance to getting at your data.

Creating A Local Yum Repository (RHEL/CentOS)

Udev and your Ethernet Interface names in a Virtual World

Udev and your Ethernet Interface names in a Virtual World

 

Have you ever cloned a VM (Virtual Machine) of either Redhat or CentOS and had your Ethernet Interface Name change on you to something other than "eth0" or "eth1" ...

 

If so even though you change /etc/sysconfig/network-scripts/ifcfg-ethXXXX and its entries to reflect your choice of name, after a reboot you still find your ethernet interface

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