Praticamente o título. Sentindo-se realmente perdido.
Saída de ifconfig :
eth0 Link encap:Ethernet HWaddr 74:d4:35:97:a6:97
inet6 addr: fe80::76d4:35ff:fe97:a697/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:78 (78.0 B) TX bytes:0 (0.0 B)
Saída de lspci -nnk | grep -A 2 -Fe Ethernet
05:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
Subsystem: Gigabyte Technology Co., Ltd Motherboard [1458:e000]
Kernel driver in use: r8169