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RHEL/CentOS 7: Revert To Old Network Interface Naming Convention

RHEL/CentOS 7 uses SystemD predictable network interface names. This post shows you how to rename a network interfcae to eth0,/em>without modifying the kernel commnad line or any udev rules, and without requiring a sytem reboot.

Accessing Cisco Secure ACS 5.X Internals

Cisco Secure Access Control System is based on CentOS. This post will show you how to access the Bash shell as root, and explores the underlying filesystem layout and utilities which make up this product..