Dear Friends of the Community Here by I request some help, now Install Centos 5.0 in DELL 3020 one machine installation took correctly, but after installation I find that the network card that brings integrated computer does not recognize the eth0. 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02) Subsystem: Giga-byte Technology Unknown device e000 Flags: bus master, fast devsel, latency 0, IRQ 50 I/O ports at b000 [size=256] Memory at e1510000 (64-bit, prefetchable) [size=4K] Memory at e1500000 (64-bit, prefetchable) [size=64K] [virtual] Expansion ROM at e1520000 [disabled] [size=64K] Capabilities: [40] Power Management version 3 Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/1 Enable+ Capabilities: [70] Express Endpoint IRQ 1 Capabilities: [b0] MSI-X: Enable- Mask- TabSize=2 Capabilities: [d0] Vital Product Data Capabilities: [100] Advanced Error Reporting Capabilities: [140] Virtual Channel Capabilities: [160] Device Serial Number xx-xx-xx-xx-xx-xx-xx-xx I researched well into the problem in various forums, but the driver you need the equipment is Realtek RTL8111B / RTL8168B NIC. Someone may orient me well what I have to do to install the driver for usb Offline so ?? if you can clear regards *Kevin Mauricio Benavides Castro* *Integrador de Systemas* *Cel: +505 84478854 * *Skype: kevin.olpc.support*