# CentOS8 최소설치 - 표준 - 개발용툴 설치 후 진행
# 네트워크 랜카드 정보 확인
lshw -C network
# 확인 후 아래 사이트에서 Network Adapter Driver 다운로드
# https://downloadcenter.intel.com/download/15817/Intel-Network-Adapter-Driver-for-PCIe-Intel-Gigabit-Ethernet-Network-Connections-Under-Linux-?product=71307
# 아래 사이트에서 Lan Driver 다운로드
# https://www.realtek.com/en/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software
# 2.5G Ethernet LINUX driver r8125 for kernel up to 5.19
# 두 파일을 다운로드 후 USB 에 저장 후 리눅스에 연결하였다고 가정
fdisk -l
mkdir -p /mnt/usb1
mount -t vfat /dev/sda1 /mnt/usb
mkdir -p /app/install/os/driver/network /app/install/util
cp -r /mnt/usb/e1000e-3.8.4 /app/install/os/driver/network/e1000e-3.8.4
cp -r /mnt/usb/r8125-9.005.06 /app/install/os/driver/network/
cp -r /mnt/usb/*.rpm /app/install/util/
umount /mnt/usb
rpm -Uvh /app/install/util/zlib-1.2.11-17.el8.x86_64.rpm
rpm -ivh /app/install/util/zlib-devel-1.2.11-17.el8.x86_64.rpm
rpm -qa | grep elfutils
rpm --nodeps -Uvh elfutils-0.185-1.el8.x86_64.rpm
rpm --nodeps -Uvh elfutils-libs-0.185-1.el8.x86_64.rpm
rpm -Uvh elfutils-libelf-0.185-1.el8.x86_64.rpm
rpm -ivh elfutils-libelf-devel-0.185-1.el8.x86_64.rpm
cd /app/install/os/driver/network/e1000e-3.8.4/src
make install
# 커널 모듈 설치
modprobe e1000e
reboot
cd /app/install/os/driver/network/r8125-9.005.06
./autorun.sh
reboot